style.css

/* Global Mobile Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
  max-width: 100%;
}

@media (max-width: 767px) {
  input, select, textarea {
    font-size: 16px !important;
  }
}

:root {
  /* Type scale */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Backgrounds — layered depth */
  --bg-0: #030508;   /* deepest — body */
  --bg-1: #080C14;   /* base surface */
  --bg-2: #0F1522;   /* cards */
  --bg-3: #161E2E;   /* elevated cards */
  --bg-4: #1C2639;   /* hover states */

  /* Brand colors */
  --brand-primary:   #E8FF47;  /* electric yellow — CTAs */
  --brand-secondary: #9B6DFF;  /* violet — accents */
  --brand-tertiary:  #4DFFD2;  /* mint — success */

  /* Semantic */
  --color-success:  #4DFFD2;
  --color-warning:  #FFB547;
  --color-danger:   #FF5C5C;
  --color-info:     #63B3ED;

  /* Text */
  --text-1: #F0F4FF;   /* primary */
  --text-2: #8896AA;   /* secondary */
  --text-3: #4A5568;   /* muted */
  --text-4: #2D3748;   /* disabled */

  /* Borders */
  --border-1: rgba(255,255,255,0.06);
  --border-2: rgba(255,255,255,0.10);
  --border-focus: rgba(232,255,71,0.4);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(232,255,71,0.15);

  --radius:    16px;
  --radius-sm: 8px;
  --radius-xs: 4px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 42%;
}

/* Light mode */
[data-theme="light"] {
  --bg-0: #EEF2F7;
  --bg-1: #F4F7FB;
  --bg-2: #FFFFFF;
  --bg-3: #F8FAFC;
  --bg-4: #EDF2F7;
  --brand-primary:   #5B21B6;
  --brand-secondary: #7C3AED;
  --text-1: #0F172A;
  --text-2: #475569;
  --text-3: #94A3B8;
  --border-1: rgba(0,0,0,0.06);
  --border-2: rgba(0,0,0,0.10);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Type scale — consistent and intentional */
.text-xs   { font-size: 11px; line-height: 1.4; }
.text-sm   { font-size: 12px; line-height: 1.5; }
.text-base { font-size: 14px; line-height: 1.6; }
.text-md   { font-size: 16px; line-height: 1.5; }
.text-lg   { font-size: 18px; line-height: 1.4; }
.text-xl   { font-size: 22px; line-height: 1.3; }
.text-2xl  { font-size: 28px; line-height: 1.2; }

body {
  font-family: var(--font-body);
  font-size: 14px;
  background: var(--bg-0);
  background-image: 
    radial-gradient(ellipse 60% 40% at 10% 0%, rgba(155,109,255,0.07) 0%, transparent 55%),
    radial-gradient(ellipse 50% 35% at 90% 100%, rgba(232,255,71,0.05) 0%, transparent 55%);
  color: var(--text-1);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  position: relative;
}

h1, h2, h3 { font-family: var(--font-display); }
.amount, .total { font-family: var(--font-mono); }

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.4;
}

/* Navbar */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: rgba(8,12,20,0.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border-1);
}

.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo-mark {
  width: 30px; height: 30px;
  background: var(--brand-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--bg-0);
  font-weight: 800;
  font-family: var(--font-display);
  flex-shrink: 0;
}
.nav-logo-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: -0.3px;
}
.nav-logo-badge {
  font-size: 9px;
  padding: 2px 6px;
  background: var(--bg-3);
  border: 1px solid var(--border-1);
  border-radius: 99px;
  color: var(--text-3);
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Completion score in navbar */
.nav-completion {
  display: flex;
  align-items: center;
  gap: 10px;
}
.completion-track {
  width: 100px;
  height: 3px;
  background: var(--border-1);
  border-radius: 99px;
  overflow: hidden;
}
.completion-fill {
  height: 100%;
  background: var(--brand-primary);
  border-radius: 99px;
  transition: width 0.4s ease;
}
.completion-label {
  font-size: 11px;
  color: var(--text-2);
  white-space: nowrap;
  font-family: var(--font-mono);
}

/* Scroll progress bar */
.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--bg-void);
  z-index: 100;
}

.scroll-progress-bar {
  height: 100%;
  background: var(--electric);
  width: 0%;
  transition: width 0.1s ease;
  box-shadow: 0 0 10px var(--electric);
}

.form-scroll-container::-webkit-scrollbar {
  width: 6px;
}
.form-scroll-container::-webkit-scrollbar-track {
  background: var(--bg-void);
}
.form-scroll-container::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 10px;
}
.form-scroll-container::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-btn {
  padding: 7px 16px;
  background: var(--bg-3);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.nav-btn:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: var(--bg-1);
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  border: 1px solid var(--border-1);
  color: var(--text-1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle:hover {
  border-color: var(--brand-primary);
  background: var(--bg-1);
}


/* Layout */
.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: 1fr;
  height: calc(100vh - 67px);
  overflow: hidden; /* Prevent layout from expanding */
}

@media (max-width: 1280px) {
  .app-layout {
    grid-template-columns: 46% 1fr;
  }
}

.sidebar-form {
  width: 100%;
  height: 100%;
  border-left: 1px solid var(--border);
  background: rgba(12,15,26,0.5);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  min-width: 0;
  position: sticky;
  top: 0;
  overflow: hidden; /* Force scroll container to take over */
}

.form-scroll-container {
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
  /* Custom scrollbar support */
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
  padding: 24px;
}

/* Chrome, Safari, and newer Edge support */
.form-scroll-container::-webkit-scrollbar {
  width: 4px;
}
.form-scroll-container::-webkit-scrollbar-track {
  background: transparent;
}
.form-scroll-container::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 99px;
}

/* Form Sections */
.form-section {
  background: var(--bg-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.form-section::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 2px; height: 0;
  background: var(--brand-primary);
  transition: height 0.3s ease;
}

.form-section:focus-within {
  border-color: rgba(232,255,71,0.2);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.form-section:focus-within::after {
  height: 100%;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
}

.section-icon {
  width: 30px;
  height: 30px;
  background: rgba(232,255,71,0.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: var(--transition);
}

.section-header:hover .section-icon {
  background: var(--brand-primary);
  transform: scale(1.05);
}

.section-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.3px;
}

.section-arrow {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-3);
  transition: transform 0.2s ease;
}
.section-header.collapsed .section-arrow {
  transform: rotate(-90deg);
}

.section-content {
  transition: max-height 0.25s ease, opacity 0.2s ease;
  max-height: none;
  opacity: 1;
  overflow: visible;
}

/* Staggered Animations */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.form-section:nth-child(1) { animation: slideUp 0.5s ease 0.05s both; }
.form-section:nth-child(2) { animation: slideUp 0.5s ease 0.10s both; }
.form-section:nth-child(3) { animation: slideUp 0.5s ease 0.15s both; }
.form-section:nth-child(4) { animation: slideUp 0.5s ease 0.20s both; }
.form-section:nth-child(5) { animation: slideUp 0.5s ease 0.25s both; }

/* Inputs */
.form-group {
  position: relative;
  margin-bottom: 14px;
}

/* Form Inputs */
.form-group { margin-bottom: 16px; position: relative; }

.form-label, label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.form-label .label-hint, label .label-hint {
  font-size: 10px;
  color: var(--text-3);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}

/* Required indicator */
label.required::after {
  content: '*';
  color: var(--color-danger);
  font-size: 14px;
  line-height: 1;
}

/* Input hint below field */
.input-hint {
  font-size: 11px;
  color: var(--text-3);
  margin-top: 4px;
  display: block;
  line-height: 1.4;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg-1);
  border: 1px solid var(--border-1);
  border-radius: 10px;
  padding: 10px 14px;
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 14px;
  transition: all 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-select {
  height: 40px;
  min-height: 40px;
  max-height: 40px;
  padding: 0 12px;
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-3); }

.form-input:hover,
.form-select:hover { border-color: var(--border-2); }

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(232,255,71,0.06);
  outline: none;
  background: var(--bg-2);
}

/* Input with prefix icon */
.input-wrapper { position: relative; }
.input-prefix {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  font-size: 14px;
  pointer-events: none;
  -webkit-user-select: none;
  user-select: none;
}
.input-wrapper .form-input { padding-left: 36px; }

/* Error state */
.form-input.error { border-color: var(--color-danger); }

/* Field Validations */
.field-error {
  font-size: 11px;
  color: var(--color-danger);
  margin-top: 4px;
  display: none;
  animation: shake 0.3s ease;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25%       { transform: translateX(-4px); }
  75%       { transform: translateX(4px); }
}
.form-input.field-invalid {
  border-color: var(--color-danger);
  background: rgba(255,92,92,0.04);
}
.form-input.field-valid {
  border-color: rgba(77,255,210,0.3);
}
.field-check {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--color-success);
  font-size: 14px;
  display: none;
  pointer-events: none;
}

/* Color picker — fixed size */
input[type="color"] {
  width: 44px;
  height: 36px;
  padding: 2px;
  flex-shrink: 0;
  cursor: pointer;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-1);
  background: var(--bg-3);
}

/* Items Table Spreadsheet Style */
.items-table-wrapper {
  background: var(--bg-void);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.items-header {
  display: grid;
  grid-template-columns: 1fr 70px 100px 100px 40px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-bottom: 2px solid var(--border);
}

.items-header span {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

.item-row {
  display: grid;
  grid-template-columns: 1fr 70px 100px 100px 40px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
  animation: rowSlide 0.3s ease;
}
.col-desc { display: flex; flex-direction: column; overflow: hidden; }

@keyframes rowSlide {
  from { opacity: 0; transform: translateX(-10px); }
  to   { opacity: 1; transform: translateX(0); }
}

.item-row:hover { background: rgba(255,255,255,0.02); }

.item-row input {
  background: transparent;
  border: none;
  padding: 14px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  width: 100%;
  outline: none;
}

.item-row input:focus { background: rgba(232,255,71,0.03); }

.item-total {
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--electric);
  display: flex;
  align-items: center;
}

.btn-remove-item {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}

.btn-remove-item:hover { color: var(--coral); transform: scale(1.1); }

.btn-add-item {
  width: 100%;
  padding: 14px;
  background: transparent;
  border: none;
  border-top: 1px dashed var(--border);
  color: var(--electric);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-add-item:hover { background: var(--electric-dim); }

/* Totals Block */
.totals-block {
  padding: 20px 24px;
  background: rgba(20,25,38,0.4);
  border-top: 1px solid var(--border);
}

.totals-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.mini-input-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mini-input-group input {
  width: 60px;
  background: var(--bg-void);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
}

.totals-row.grand-total {
  padding-top: 16px;
  margin-top: 12px;
  border-top: 2px solid var(--border-1);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--text-1);
}

.totals-row.grand-total .amount {
  color: var(--brand-primary);
  font-family: var(--font-mono);
  text-shadow: 0 0 20px rgba(232,255,71,0.2);
}

/* Status Micro-interaction */
.status-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.status-indicator {
  position: absolute;
  right: 12px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-3);
  box-shadow: 0 0 0 rgba(0,0,0,0);
  transition: all 0.3s ease;
  z-index: 5;
  pointer-events: none;
}

/* Button System */
/* Primary — electric yellow */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--brand-primary);
  color: var(--bg-0);
  border: none;
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.2s;
}
.btn-primary:hover::after  { background: rgba(255,255,255,0.12); }
.btn-primary:active        { transform: scale(0.97); }
.btn-primary:hover         { box-shadow: 0 4px 20px rgba(232,255,71,0.3); }

/* Secondary */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--bg-3);
  color: var(--text-1);
  border: 1px solid var(--border-1);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-secondary:hover {
  border-color: var(--border-focus);
  color: var(--brand-primary);
  background: rgba(232,255,71,0.05);
}

/* Ghost */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: transparent;
  color: var(--text-2);
  border: none;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-ghost:hover { background: var(--bg-3); color: var(--text-1); }

/* Danger */
.btn-danger:hover { border-color: var(--color-danger); color: var(--color-danger); }

/* Size variants */
.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 8px; }
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: 12px; }
.btn-full { width: 100%; }

/* Loading state */
.btn-loading {
  pointer-events: none;
  opacity: 0.7;
}
.btn-loading::before {
  content: '';
  width: 14px; height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: btnSpin 0.6s linear infinite;
  flex-shrink: 0;
}
@keyframes btnSpin { to { transform: rotate(360deg); } }

/* Generate Button using new primary */
.btn-generate {
  width: 100%;
  padding: 18px;
  background: var(--brand-primary);
  color: var(--bg-0);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 1px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  margin-top: 10px;
  box-shadow: 0 10px 20px rgba(232,255,71,0.1);
}

.btn-generate::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.6s ease;
}

.btn-generate:hover::before { left: 100%; }

.btn-generate:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(232,255,71,0.25);
}

.btn-generate:active { transform: scale(0.97); }

/* Premium Card Design */
/* Base card */
.card {
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-radius: 16px;
  transition: all 0.2s ease;
}
.card:hover {
  border-color: var(--border-2);
  box-shadow: var(--shadow-md);
}

/* Glowing card — for important sections */
.card-glow {
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}
.card-glow::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(232,255,71,0.4) 50%,
    transparent 100%);
}

/* Glass card */
.card-glass {
  background: rgba(255,255,255,0.03);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
}

/* Logo Area */
.logo-upload-area {
  height: 140px;
  background: var(--bg-elevated);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  display: flex; justify-content: center; align-items: center;
  margin-bottom: 24px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.logo-upload-area:hover { border-color: var(--electric); background: rgba(232,255,71,0.02); }

.logo-placeholder { text-align: center; }
.logo-placeholder span { font-size: 24px; display: block; margin-bottom: 8px; }
.logo-placeholder p { font-size: 13px; font-weight: 700; color: var(--text-primary); }
.logo-placeholder small { font-size: 11px; color: var(--text-muted); }

.logo-preview { max-width: 100%; max-height: 120px; object-fit: contain; padding: 10px; }

.remove-logo-btn {
  position: absolute; top: 12px; right: 12px;
  width: 28px; height: 28px; background: var(--coral);
  color: #fff; border: none; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; z-index: 100;
}

/* Template Selector */
.template-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.template-card {
  height: 100px; /* BUG 1 Fix */
  background: var(--bg-elevated);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center; /* BUG 1 Fix */
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}

.template-card:hover { border-color: rgba(232,255,71,0.2); }

.template-card.active {
  border-color: var(--electric);
  background: var(--electric-dim);
}

.template-preview {
  width: 100%;
  height: 60px;
  min-height: 60px;
  border-radius: 4px;
  margin-bottom: 8px;
  border: 1px solid var(--border);
}

.electric-preview { background: linear-gradient(135deg, #070B14 0%, #E8FF47 300%); }
.violet-preview { background: linear-gradient(135deg, #08060F 0%, #9B6DFF 100%); }
.paper-preview { background: #f8f9fa; border-color: #ddd; }
.corporate-preview { background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%); border-top: 4px solid #1E3A8A; }
.creative-preview { background: radial-gradient(#EEEEEE 2px, #FAFAFA 2px); background-size: 10px 10px; border: 2px solid #222; position: relative; overflow: hidden; }
.creative-preview::before { content: ''; position: absolute; bottom: -10px; right: -10px; width: 40px; height: 40px; background: #FF3366; border-radius: 50%; opacity: 0.5; }

.template-card span { font-size: 11px; font-weight: 700; color: var(--text-primary); }

/* Preview Panel */
.preview-panel {
  flex: 1;
  background: var(--bg-void);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  min-width: 0;
}

.preview-header {
  flex-shrink: 0;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
}

#previewFrame {
  flex: 1;
  width: 100%;
  border: none;
  display: block;
  background: transparent;
  min-height: 0; /* CRITICAL */
}

.preview-panel > * { margin-bottom: 0 !important; }

.invoice-container-outer {
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 0;
  background: transparent;
  overflow: hidden;
}

.invoice-paper {
  width: 100%;
  height: 100%;
  background: transparent;
  position: relative;
}

.preview-empty {
  height: 1131px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--text-muted);
  gap: 16px;
  background: var(--bg-surface);
}

.empty-icon { font-size: 60px; opacity: 0.1; }
.preview-empty h3 { font-family: var(--font-display); font-size: 24px; color: #1a1a1a; opacity: 0.3; }
.preview-empty p { font-size: 14px; opacity: 0.5; }

/* Floating Actions */
.floating-actions {
  position: fixed;
  bottom: 40px;
  left: 58%; /* Center in preview panel */
  transform: translateX(-50%);
  background: rgba(12,15,26,0.8);
  -webkit-backdrop-filter: blur(15px);
  backdrop-filter: blur(15px);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 8px;
  display: flex;
  gap: 4px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
  z-index: 100;
}

.action-btn {
  padding: 12px 24px;
  border-radius: 99px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: flex; align-items: center; gap: 8px;
  transition: var(--transition);
}

.action-btn.main {
  background: var(--electric);
  color: var(--bg-void);
}

.action-btn:hover { background: rgba(255,255,255,0.05); }
.action-btn.main:hover { background: #d9f200; transform: translateY(-2px); }

/* History Overlay */
.history-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,7,13,0.9);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: none;
  justify-content: center;
  align-items: center;
  padding: 40px;
}

.history-card {
  width: 100%;
  max-width: 900px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0,0,0,0.5);
}

.history-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}

.history-tabs {
  display: flex;
  gap: 8px;
  background: var(--bg-elevated);
  padding: 4px;
  border-radius: var(--radius-sm);
}

.h-tab {
  padding: 8px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  border-radius: 6px;
  transition: var(--transition);
}

.h-tab.active {
  background: var(--bg-surface);
  color: var(--electric);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.close-history { background: none; border: none; color: var(--text-secondary); font-size: 20px; cursor: pointer; }

/* Mobile */
@media (max-width: 1100px) {
  .app-container { flex-direction: column; overflow-y: auto; height: auto; }
  .sidebar-form { width: 100%; border-left: none; }
  .preview-panel { width: 100%; padding: 20px; }
  .invoice-container-outer { width: 100%; height: auto; min-height: 500px; }
  .floating-actions { left: 50%; width: 90%; justify-content: space-around; }
  .mobile-tabs { display: flex; position: fixed; bottom: 0; left: 0; right: 0; height: 60px; background: var(--bg-surface); border-top: 1px solid var(--border); z-index: 1000; }
  .tab-btn { flex: 1; background: none; border: none; color: var(--text-muted); font-weight: 700; }
  .tab-btn.active { color: var(--electric); border-top: 2px solid var(--electric); }
  
  .sidebar-form, .preview-panel { display: none; }
  .sidebar-form.active, .preview-panel.active { display: flex; }
}

.btn-micro {
  padding: 4px 10px; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 4px; color: var(--text-secondary); font-size: 11px; cursor: pointer;
}
.btn-micro-bold {
  padding: 10px; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-primary); font-size: 13px; font-weight: 700; cursor: pointer; transition: var(--transition);
}
.btn-micro-bold:hover { border-color: var(--electric); color: var(--electric); }

/* Toast */
.toast-container { position: fixed; top: 80px; left: 50%; transform: translateX(-50%); z-index: 10000; }
.toast { background: var(--bg-surface); border: 1px solid var(--border); border-left: 4px solid var(--electric); padding: 12px 24px; border-radius: 8px; color: var(--text-primary); font-weight: 600; font-size: 14px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); margin-bottom: 10px; animation: toastIn 0.3s ease forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

/* Excel Export Button */
.btn-export-excel {
  padding: 10px 16px;
  background: rgba(104,211,145,0.1);
  border: 1px solid rgba(104,211,145,0.3);
  color: #68D391;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.btn-export-excel:hover {
  background: rgba(104,211,145,0.2);
  border-color: #68D391;
}

/* Feature 2: Share Panel */
.share-panel {
  position: fixed;
  bottom: 100px;
  left: 58%;
  transform: translateX(-50%);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  z-index: 90;
  width: 320px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
  animation: slideUp 0.4s ease;
}
.share-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.share-buttons { display: flex; gap: 8px; }
.share-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: var(--transition);
  background: var(--bg-elevated);
  color: var(--text-secondary);
}
.share-btn.whatsapp:hover { background: rgba(37,211,102,0.1); border-color: #25D366; color: #25D366; }
.share-btn.email:hover    { background: rgba(99,179,237,0.1); border-color: var(--violet); color: var(--violet); }
.share-btn.copy-link:hover { background: var(--electric-dim); border-color: var(--electric); color: var(--electric); }

.shared-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 24px;
  background: rgba(232,255,71,0.06);
  border-bottom: 1px solid rgba(232,255,71,0.2);
  font-size: 13px;
  color: var(--electric);
  z-index: 99;
}
.shared-banner button {
  padding: 5px 14px;
  background: var(--electric);
  color: var(--bg-void);
  border: none;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
}

/* Feature 3: Recurring */
.recurring-toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  margin-top: 12px;
}
.recurring-label { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.recurring-desc  { font-size: 11px; color: var(--text-secondary); display: block; margin-top: 2px; }
.recurring-options {
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-top: 10px;
  border: 1px solid var(--border);
  animation: slideUp 0.3s ease;
}
.recurring-preview {
  font-size: 12px;
  color: var(--electric);
  margin-top: 8px;
  font-weight: 700;
}

/* Toggle Switch */
.toggle-switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 99px;
  cursor: pointer;
  transition: 0.3s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 2px; top: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: 0.3s;
}
.toggle-switch input:checked + .toggle-slider { background: var(--electric-dim); border-color: var(--electric); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); background: var(--electric); }

/* Feature 4: Dashboard */
.dashboard-panel { padding: 32px; overflow-y: auto; flex: 1; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-4px); border-color: var(--electric); }
.stat-card.paid    { border-color: rgba(77,255,210,0.1); }
.stat-card.unpaid  { border-color: rgba(232,255,71,0.1); }
.stat-card.overdue { border-color: rgba(255,107,107,0.1); }
.stat-icon { font-size: 28px; margin-bottom: 12px; }
.stat-value {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.stat-label { font-size: 12px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }

.collection-rate { margin-bottom: 40px; }
.collection-header {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.collection-pct { font-weight: 800; color: var(--mint); font-size: 16px; }
.collection-bar-bg {
  height: 12px;
  background: var(--bg-void);
  border-radius: 99px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.collection-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--violet), var(--mint));
  border-radius: 99px;
  width: 0%;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 20px rgba(77,255,210,0.2);
}

.dashboard-split { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.dashboard-section-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.top-client-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-glass);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  border: 1px solid transparent;
  transition: var(--transition);
}
.top-client-item:hover { background: var(--bg-elevated); border-color: var(--border); }
.top-client-rank { font-size: 20px; width: 30px; }
.top-client-name { flex: 1; color: var(--text-primary); font-weight: 700; font-size: 14px; }
.top-client-count { font-size: 11px; color: var(--text-muted); font-weight: 600; }
.top-client-total { font-family: var(--font-mono); color: var(--electric); font-size: 14px; font-weight: 700; }

.monthly-item {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.month-label { font-size: 12px; font-weight: 700; color: var(--text-secondary); width: 80px; }
.month-bar-bg { flex: 1; height: 10px; background: var(--bg-void); border-radius: 99px; border: 1px solid var(--border); position: relative; }
.month-bar-fill { height: 100%; background: var(--violet); border-radius: 99px; transition: width 0.8s ease; }
.month-total { font-size: 12px; font-family: var(--font-mono); color: var(--text-primary); font-weight: 700; width: 100px; text-align: right; }
.empty-dashboard { text-align: center; padding: 60px; color: var(--text-muted); font-size: 14px; font-weight: 600; }

/* Feature 5: Profiles */
.profile-switcher { position: relative; margin: 0 20px; }
.profile-current {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}
.profile-current:hover { border-color: var(--electric); background: var(--bg-surface); }
.profile-chevron { font-size: 10px; color: var(--text-muted); }

.profile-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 220px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
  z-index: 200;
  animation: slideUp 0.3s ease;
}
.profile-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background 0.15s;
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 600;
}
.profile-item:hover  { background: var(--bg-elevated); }
.profile-item.active { background: var(--electric-dim); color: var(--electric); }
.profile-emoji { font-size: 18px; }
.profile-name  { flex: 1; }
.btn-delete-profile {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  padding: 4px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 4px;
}
.btn-delete-profile:hover { background: rgba(255,107,107,0.1); color: var(--coral); }
.btn-add-profile {
  width: 100%;
  padding: 14px 16px;
  background: transparent;
  border: none;
  border-top: 1px dashed var(--border);
  color: var(--electric);
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}
.btn-add-profile:hover { background: var(--electric-dim); }

/* Saved Clients Dropdown */
.saved-clients-dropdown {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 8px;
  max-height: 200px;
  overflow-y: auto;
  z-index: 10;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.client-item {
  padding: 10px 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.client-item:last-child { border-bottom: none; }
.client-item:hover { background: rgba(155,109,255,0.1); }

.client-name-main { font-weight: 600; font-size: 14px; }
.client-sub { font-size: 11px; color: var(--text-muted); display: block; }

.btn-delete-client {
  background: none;
  border: none;
  color: var(--coral);
  cursor: pointer;
  padding: 5px;
  opacity: 0.6;
}
.btn-delete-client:hover { opacity: 1; }

/* --- Feature 1: Smart Payment Reminders --- */

/* Overdue Alert Banner */
#overdueAlert {
  position: fixed;
  top: 70px; left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: none;
}
.overdue-alert-content {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: rgba(252,129,129,0.12);
  border: 1px solid rgba(252,129,129,0.4);
  border-radius: var(--radius);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  white-space: nowrap;
}
.overdue-alert-icon { font-size: 20px; }
.overdue-alert-text { display: flex; flex-direction: column; }
.overdue-alert-text strong { font-size: 13px; color: var(--coral); }
.overdue-alert-text span   { font-size: 11px; color: var(--text-secondary); }
.overdue-alert-btn {
  padding: 6px 14px;
  background: var(--coral);
  color: white;
  border: none;
  border-radius: var(--radius-xs);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  margin-right: 8px;
}
.overdue-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  margin-right: 8px;
}

/* Modal Overlay & Box */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2500;
  padding: 20px;
}
.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 40px 100px rgba(0,0,0,0.6);
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.modal-title { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--text-primary); }
.modal-close { background: transparent; border: none; color: var(--text-muted); font-size: 20px; cursor: pointer; }

/* Tone Selector */
.tone-selector { margin: 16px 0; }
.tone-buttons { display: flex; gap: 8px; margin-top: 8px; }
.tone-btn {
  flex: 1;
  padding: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}
.tone-btn.active {
  border-color: var(--electric);
  color: var(--electric);
  background: var(--electric-dim);
}

/* Reminder Message Area */
.reminder-message-box { margin: 16px 0; }
.reminder-message-header {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--text-secondary); margin-bottom: 8px;
}
.reminder-message-header button {
  background: transparent; border: none;
  color: var(--violet); cursor: pointer; font-size: 12px;
}
.reminder-textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  resize: vertical;
}

/* Actions */
.reminder-actions { display: flex; gap: 8px; margin-top: 20px; }
.reminder-send-btn {
  flex: 1; padding: 12px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px; font-weight: 700;
  cursor: pointer; border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  display: flex; align-items: center;
  justify-content: center; gap: 8px;
  transition: var(--transition);
}
.reminder-send-btn.whatsapp:hover { background: rgba(37,211,102,0.1); border-color: #25D366; color: #25D366; }
.reminder-send-btn.email:hover    { background: rgba(155,109,255,0.1); border-color: var(--violet); color: var(--violet); }
.reminder-send-btn.copy:hover     { background: var(--electric-dim); border-color: var(--electric); color: var(--electric); }

/* --- Feature 2: AI Suggestions --- */
.desc-with-ai {
  display: flex;
  align-items: center;
  gap: 4px;
}
.desc-with-ai input { flex: 1; border: none !important; background: transparent !important; }
.btn-ai-suggest {
  background: var(--electric-dim);
  border: 1px solid rgba(232,255,71,0.2);
  border-radius: var(--radius-xs);
  color: var(--electric);
  font-size: 12px;
  padding: 6px 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
  flex-shrink: 0;
  margin: 6px;
}
.btn-ai-suggest:hover { background: var(--electric); color: var(--bg-void); }

.ai-suggestion {
  margin: 0 16px 10px 16px;
  padding: 10px;
  background: rgba(232,255,71,0.04);
  border: 1px solid rgba(232,255,71,0.15);
  border-radius: var(--radius-sm);
  font-size: 12px;
  animation: slideUp 0.3s ease;
}
.ai-loading { color: var(--text-secondary); font-style: italic; }
.suggestion-desc { color: var(--text-primary); margin-bottom: 8px; line-height: 1.4; font-weight: 500; }
.suggestion-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.suggestion-range { font-size: 11px; color: var(--text-secondary); }
.btn-apply-suggestion {
  padding: 4px 10px;
  background: var(--electric);
  color: var(--bg-void);
  border: none;
  border-radius: var(--radius-xs);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}
.btn-apply-suggestion:hover { opacity: 0.85; transform: scale(1.05); }

/* --- Feature 5: Quick Contract Generator --- */
.form-actions-extra {
  display: flex; gap: 10px; margin-top: 10px;
}
.btn-save-alt, .btn-contract {
  flex: 1; padding: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 700; cursor: pointer;
  transition: var(--transition);
}
.btn-save-alt:hover { border-color: var(--electric); color: var(--electric); }
.btn-contract:hover { border-color: var(--violet); color: var(--violet); }

.contract-box { max-width: 600px; }
.contract-actions-header { display: flex; gap: 10px; margin-bottom: 20px; }
.btn-ai-gen {
  flex: 1; padding: 12px;
  background: var(--electric);
  color: var(--bg-void);
  border: none; border-radius: var(--radius-sm);
  font-weight: 800; cursor: pointer;
}
.btn-manual-gen {
  flex: 1; padding: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.contract-textarea {
  width: 100%; height: 300px;
  background: var(--bg-void);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
  resize: none;
}

.contract-footer { display: flex; gap: 10px; margin-top: 20px; }
.contract-footer button {
  flex: 1; padding: 12px;
  border-radius: var(--radius-sm);
  font-weight: 700; cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
}
.btn-copy:hover { border-color: var(--electric); color: var(--electric); }
.btn-download:hover { border-color: var(--violet); color: var(--violet); }

/* --- Feature 4: Expense Tracker --- */
.side-panel {
  position: fixed;
  top: 0; right: 0;
  width: 400px; height: 100%;
  background: var(--bg-surface);
  border-left: 1px solid var(--border);
  z-index: 1000;
  box-shadow: -20px 0 50px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  animation: slideLeft 0.3s ease;
}
[dir="ltr"] .side-panel { right: auto; left: 0; border-left: none; border-right: 1px solid var(--border); animation: slideRight 0.3s ease; }

.panel-header {
  padding: 24px;
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--border);
}
.panel-title { font-family: var(--font-display); font-weight: 700; color: var(--electric); }

/* --- Dashboard & Stats --- */
.dashboard-inner { padding: 16px; }

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}
.stat-card {
  background: var(--bg-3, #161E2E);
  border: 1px solid var(--border-1, rgba(255,255,255,0.06));
  border-radius: 12px;
  padding: 14px;
  text-align: center;
  transition: transform 0.2s;
}
.stat-card:hover { transform: translateY(-2px); }
.stat-card.paid-card    { border-color: rgba(77,255,210,0.2); }
.stat-card.unpaid-card  { border-color: rgba(255,181,71,0.2); }
.stat-card.overdue-card { border-color: rgba(255,92,92,0.2);  }
.stat-icon { font-size: 20px; margin-bottom: 6px; }
.stat-num  {
  font-size: 15px; font-weight: 700;
  color: var(--text-1, #F0F4FF);
  font-family: var(--font-mono, monospace);
  margin-bottom: 3px;
}
.stat-lbl  { font-size: 11px; color: var(--text-2, #8896AA); }

.rate-section  { margin-bottom: 16px; }
.rate-header   {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--text-2, #8896AA); margin-bottom: 8px;
}
.rate-track    {
  height: 6px; background: var(--border-1, rgba(255,255,255,0.06));
  border-radius: 99px; overflow: hidden;
}
.rate-fill     { height: 100%; border-radius: 99px; width: 0%; }

.db-section      { margin-bottom: 16px; }
.db-section-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; color: var(--text-2,#8896AA); margin-bottom: 10px;
}
.db-client-row {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 0; border-bottom: 1px solid var(--border-1,rgba(255,255,255,0.06));
  font-size: 12px;
}
.db-client-name  { flex:1; color: var(--text-1,#F0F4FF); font-weight:500; }
.db-client-count { color: var(--text-3,#4A5568); font-size: 11px; }
.db-client-total {
  font-family: var(--font-mono,monospace);
  color: #E8FF47; font-size: 12px;
}

.db-month-row  {
  display: flex; align-items: center;
  gap: 10px; margin-bottom: 8px;
}
.db-month-name  { font-size: 11px; color: var(--text-2,#8896AA); width: 65px; }
.db-month-track {
  flex:1; height:5px;
  background: var(--border-1,rgba(255,255,255,0.06));
  border-radius: 99px; overflow: hidden;
}
.db-month-fill  {
  height: 100%; background: #9B6DFF;
  border-radius: 99px;
}
.db-month-val   {
  font-size: 11px; font-family: var(--font-mono,monospace);
  color: var(--text-2,#8896AA); width: 80px; text-align: right;
}

.expense-form-inline {
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr 80px;
  gap: 8px;
}
.expense-form-inline select, .expense-form-inline button { grid-column: span 2; }
.expense-form-inline input, .expense-form-inline select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 10px;
  color: var(--text-primary);
  font-size: 13px;
}
.expense-form-inline button {
  background: var(--electric);
  color: var(--bg-void);
  border: none;
  font-weight: 800;
  padding: 12px;
  border-radius: var(--radius-xs);
  cursor: pointer;
}

.expense-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 20px 20px 20px;
}
.expense-item {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.exp-info { display: flex; flex-direction: column; }
.exp-title { font-size: 13px; font-weight: 700; color: var(--text-primary); }
.exp-cat   { font-size: 11px; color: var(--text-muted); }
.exp-amt   { color: var(--coral); font-weight: 700; font-size: 13px; }

@keyframes slideLeft { 
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}
@keyframes slideRight { 
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

/* ===== MOBILE (max 767px) ===== */
@media (max-width: 767px) {

  /* App layout — single column, full height */
  .app-layout {
    display: flex !important;
    flex-direction: column !important;
    height: 100dvh; /* dynamic viewport height — fixes iOS Safari */
    overflow: hidden;
    grid-template-columns: unset !important;
  }

  /* Navbar — compact */
  .top-nav {
    padding: 10px 14px;
    height: 52px;
    flex-shrink: 0;
  }
  .nav-score { display: none !important; }
  .nav-logo-text { font-size: 14px; }
  .nav-btn { padding: 5px 10px; font-size: 11px; }

  /* Form panel — scrollable, takes remaining height */
  .form-panel {
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    flex: 1;
    height: calc(100dvh - 52px - 58px); /* minus navbar and bottom tabs */
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    position: relative !important;
    top: auto !important;
  }

  .form-scroll-container {
    height: auto !important;
    overflow: visible !important;
    padding: 12px 12px 100px 12px; /* bottom padding for FAB */
  }

  /* Form sections — comfortable padding */
  .form-section {
    padding: 14px 12px;
    margin-bottom: 10px;
    border-radius: 12px;
  }

  /* All form rows → single column */
  .form-row {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
  }

  /* Inputs — full width, touch friendly */
  .form-input,
  .form-select,
  .form-textarea {
    width: 100%;
    min-height: 44px; /* Apple HIG minimum touch target */
    padding: 10px 12px;
    border-radius: 8px;
  }

  /* Template cards — 3 in a row, compact */
  .template-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 6px;
  }
  .template-card {
    height: 72px !important;
    padding: 6px 4px;
  }
  .template-card span { font-size: 10px; }
  .template-card small { display: none; }
  .template-thumb { height: 40px !important; }

  /* Items table — horizontal scroll */
  .items-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .items-header,
  .item-row {
    display: grid !important;
    grid-template-columns: 160px 60px 90px 90px 30px !important;
    min-width: 430px;
  }

  /* Totals block */
  .inv-totals {
    width: 100% !important;
    margin-left: 0 !important;
  }

  /* Stats grid — 2x2 */
  .stats-grid {
    grid-template-columns: 1fr 1fr !important;
  }

  /* Profit summary — single column */
  .profit-summary {
    grid-template-columns: 1fr !important;
  }

  /* Action buttons — 2 columns */
  .action-buttons {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 8px;
  }

  /* Share buttons — vertical */
  .share-buttons {
    flex-direction: column !important;
  }

  /* Export buttons — 2x2 grid */
  .export-buttons {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* Modal — full screen on mobile */
  .modal-box {
    width: 100% !important;
    max-width: 100% !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    border-radius: 0 !important;
    margin: 0 !important;
  }
  .modal-overlay {
    padding: 0 !important;
    align-items: flex-end !important;
  }

  /* Preview panel — toggled on mobile */
  .preview-panel {
    display: none; /* Removed !important to allow mobile-active to work */
  }
  .preview-panel.mobile-active {
    display: flex !important;
    position: fixed !important;
    inset: 52px 0 58px 0 !important;
    z-index: 50 !important;
    background: var(--bg-primary) !important;
    flex-direction: column !important;
  }
  .preview-panel.mobile-active iframe {
    flex: 1 !important;
    width: 100% !important;
    height: 100% !important;
    border: none !important;
  }

  /* FAB — above bottom nav */
  .fab-container {
    bottom: 72px !important;
    right: 12px !important;
  }
  .fab-text { display: none !important; }
  .fab-btn {
    width: 50px !important;
    height: 50px !important;
    border-radius: 50% !important;
    padding: 0 !important;
    justify-content: center !important;
  }
}

/* ===== TABLET (768px - 1023px) ===== */
@media (min-width: 768px) and (max-width: 1023px) {
  .app-layout {
    display: flex !important;
    flex-direction: column !important;
    height: auto !important;
    overflow: auto !important;
    grid-template-columns: unset !important;
  }

  .form-panel {
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    position: relative !important;
    overflow: visible !important;
  }

  .form-scroll-container {
    height: auto !important;
    overflow: visible !important;
    padding: 16px;
  }

  .form-row {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
  }

  .preview-panel {
    width: 100% !important;
    height: 500px !important;
    flex-shrink: 0 !important;
    border-top: 1px solid var(--border);
  }

  .preview-panel iframe {
    height: 500px !important;
  }

  .mobile-bottom-nav { display: none !important; }
}

.mobile-bottom-nav {
  display: none;
}

@media (max-width: 767px) {
  .mobile-bottom-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: 58px;
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    z-index: 100;
    /* iOS safe area */
    padding-bottom: env(safe-area-inset-bottom);
  }
}

.mobile-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px 4px;
  transition: background 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.mobile-tab-icon  { font-size: 20px; line-height: 1; }
.mobile-tab-label { font-size: 10px; color: var(--text-muted); line-height: 1; }
.mobile-tab.active {
  background: var(--electric-dim);
}
.mobile-tab.active .mobile-tab-label {
  color: var(--electric);
  font-weight: 600;
}

/* Utility Classes */
.hidden { display: none !important; }
.text-right { text-align: right; }
.text-muted-sm { font-size: 11px; color: var(--text-muted); }
.logo-input-hidden { display: none; }
.inline-flex { display: inline-flex; }
.v-align-middle { vertical-align: middle; }
.w-100-important { width: 100% !important; }
.mr-8 { margin-right: 8px; }
.mb-0 { margin-bottom: 0; }
.mr-auto { margin-right: auto; }
.w-full { width: 100%; }
.flex-header { display: flex; gap: 10px; align-items: center; }
.opacity-0 { opacity: 0; }

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  transform: translateX(120%);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 320px;
}

.toast-visible {
  transform: translateX(0);
  opacity: 1;
}

.toast-exit {
  transform: translateX(120%);
  opacity: 0;
}

.toast.success { border-left: 3px solid var(--mint); }
.toast.error   { border-left: 3px solid var(--coral); }
.toast.warning { border-left: 3px solid #F6AD55; }
.toast.info    { border-left: 3px solid var(--violet); }
.toast-icon    { font-size: 16px; flex-shrink: 0; }

/* Enhanced Modal Transitions */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,7,13,0.7);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: modalFadeIn 0.25s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal-box {
  animation: modalSlideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(30px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Skeleton Loading */
.skeleton-shimmer {
  width: 80%;
  height: 60%;
  border-radius: var(--radius);
  background: linear-gradient(90deg, var(--bg-elevated) 25%, rgba(255,255,255,0.05) 50%, var(--bg-elevated) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Field Validation */
.form-input.field-valid   { border-color: rgba(77,255,210,0.4); }
.form-input.field-invalid { border-color: rgba(255,107,107,0.4); }

/* Keyboard Shortcut Hints */
.shortcut-hint {
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg-void);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  margin-left: 8px;
  border: 1px solid var(--border);
}

/* --- History System --- */
.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
  gap: 10px;
}
.history-item:hover { background: var(--bg-elevated); }
.history-item:last-child { border-bottom: none; }
.history-main { flex: 1; min-width: 0; }
.history-top  { display:flex; align-items:center; gap:8px; margin-bottom:4px; }
.history-num  { font-size:13px; font-weight:700; color:var(--text-primary); }
.history-bottom {
  display:flex; justify-content:space-between; align-items:center;
}
.history-client { font-size:12px; color:var(--text-secondary);
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.history-total  {
  font-family:var(--font-mono,monospace);
  font-size:12px; color:var(--electric); font-weight:600; flex-shrink:0;
}
.history-date { font-size:10px; color:var(--text-muted); margin-top:3px; }

.history-actions { display:flex; gap:4px; flex-shrink:0; }
.hist-btn {
  padding:5px 8px; border-radius:6px; font-size:11px;
  font-weight:600; cursor:pointer; border:1px solid; transition:all 0.15s;
  background:transparent;
}
.hist-btn.load {
  border-color: rgba(99,179,237,0.3); color:#63B3ED;
}
.hist-btn.load:hover { background:rgba(99,179,237,0.1); }
.hist-btn.dup {
  border-color: rgba(232,255,71,0.2); color:#E8FF47;
}
.hist-btn.dup:hover { background:rgba(232,255,71,0.08); }
.hist-btn.del {
  border-color: rgba(255,92,92,0.2); color:#FF5C5C;
}
.hist-btn.del:hover { background:rgba(255,92,92,0.1); }