styles.css

/* =====================================================================
   MyClassHelp — Free Academic Assignment Formatter
   styles.css

   Standalone, zero-dependency stylesheet. No frameworks, no external
   fonts. Organised as:
     1. Design tokens (CSS custom properties)
     2. Base / reset
     3. Hero + footer
     4. Layout & panels
     5. Form controls
     6. Source list
     7. Preview bar + export menu
     8. The "paper" (.doc-sheet) — visual APA/MLA/Chicago layout
     9. Print / PDF rules
   ===================================================================== */

/* ---------------------------------------------------------------------
   1. DESIGN TOKENS
   --------------------------------------------------------------------- */
:root {
  --bg:            #eef1f6;
  --surface:       #ffffff;
  --surface-soft:  #f7f8fb;
  --text:          #1c2530;
  --text-muted:    #5b6675;
  --border:        #dbe2ea;
  --primary:       #104189;
  --primary-hover: #0c3168;
  --accent:        #1f6feb;
  --focus-ring:    rgba(16, 65, 137, 0.18);

  --radius:   10px;
  --radius-lg:16px;
  --shadow:   0 8px 32px rgba(0, 0, 0, 0.06);

  /* Serif stack mirrors the academic fonts used in the exported documents. */
  --font-serif: "Times New Roman", "Liberation Serif", Georgia, serif;
  --font-ui:    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------------------------------------------------------------------
   2. BASE / RESET
   --------------------------------------------------------------------- */
* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0 0 0.5em; line-height: 1.25; }

p { margin: 0 0 1em; }

a { color: var(--primary); }

.wrap {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Utility: hide visually but keep available to screen readers. */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.hidden { display: none !important; }

/* ---------------------------------------------------------------------
   3. HERO + FOOTER
   --------------------------------------------------------------------- */
.site-hero {
  background: linear-gradient(135deg, var(--primary), #0a2a57);
  color: #fff;
  padding: 4.5rem 0 5.5rem;
  text-align: center;
}

.site-hero h1 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }

.site-hero__subtitle {
  max-width: 780px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.05rem;
}

.site-footer {
  padding: 2rem 0 3rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ---------------------------------------------------------------------
   4. LAYOUT & PANELS
   --------------------------------------------------------------------- */
.tool {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: -2.75rem;   /* pull the tool up over the hero */
  position: relative;
  z-index: 1;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

/* Preview spans the full width on its own row. */
.panel--preview { grid-column: 1 / -1; }

.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.panel__title {
  font-size: 1.15rem;
  color: var(--text);
}

.hint {
  margin: 0.6rem 0 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

@media (max-width: 860px) {
  .tool { grid-template-columns: 1fr; }
}
/* ---------------------------------------------------------------------
   5. FORM CONTROLS
   --------------------------------------------------------------------- */
.field { margin-bottom: 1.1rem; }

.field__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem 1rem;
  margin: 0 0 1.1rem;
}

.fieldset legend { padding: 0 0.4rem; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin: 0.6rem 0;
}

.input,
.textarea {
  width: 100%;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  color: var(--text);
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.fieldset .input { margin-bottom: 0.6rem; }
.fieldset .input:last-of-type { margin-bottom: 0; }

textarea.textarea {
  min-height: 320px;
  line-height: 1.75;
  resize: vertical;
}

.input:focus,
.textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px var(--focus-ring);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.6rem 0.95rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn--primary   { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-hover); }

.btn--secondary { background: var(--surface-soft); color: var(--primary); border-color: var(--border); }
.btn--secondary:hover { background: #eaeef5; }

.btn--ghost     { background: transparent; color: var(--text-muted); border-color: var(--border); padding: 0.4rem 0.7rem; }
.btn--ghost:hover { color: var(--text); background: var(--surface-soft); }

.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------------------------------------------------------------------
   6. SOURCE LIST
   --------------------------------------------------------------------- */
.source-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.source-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.6rem;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  font-size: 0.85rem;
}

.source-item__text { flex: 1; word-break: break-word; }

.source-item__remove {
  flex-shrink: 0;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.15rem 0.3rem;
  border-radius: 6px;
}

.source-item__remove:hover { color: #b42318; background: #fdeceb; }

/* ---------------------------------------------------------------------
   7. PREVIEW BAR + EXPORT MENU
   --------------------------------------------------------------------- */
.preview-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.preview-bar__left { display: flex; align-items: baseline; gap: 0.75rem; flex-wrap: wrap; }
.preview-bar__left .panel__title { margin-bottom: 0; }

.stats { display: flex; gap: 0.9rem; color: var(--text-muted); font-size: 0.85rem; }
.stats strong { color: var(--text); }

.export { position: relative; }

.export-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.4rem);
  min-width: 220px;
  list-style: none;
  margin: 0;
  padding: 0.35rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 20;
}

.export-menu__item {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text);
  padding: 0.55rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
}

.export-menu__item:hover { background: var(--surface-soft); color: var(--primary); }
/* ---------------------------------------------------------------------
   8. THE "PAPER" (.doc-sheet)
   Visual representation of the formatted document. Font size / line
   height are set inline by formatter.js based on the selected style.
   --------------------------------------------------------------------- */
.preview-scroll {
  background: #e6e9ef;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  max-height: 640px;
  overflow: auto;
}

.doc-sheet {
  width: 8.5in;
  max-width: 100%;
  min-height: 11in;
  margin: 0 auto;
  padding: 1in;                       /* 1" page margins */
  background: #fff;
  color: #000;
  font-family: var(--font-serif);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.14);
}

/* Title page (APA / Chicago) */
.doc-titlepage { text-align: center; }
.doc-titlepage .doc-title { margin-top: 2.5in; }

.doc-title {
  font-weight: 700;
  font-size: inherit;
  margin: 0 0 1.5em;
}

.doc-title--centered { text-align: center; }

.doc-meta .doc-metaline { line-height: inherit; }

/* MLA first-page header block (top-left, no title page) */
.doc-mlaheader { margin-bottom: 1em; }
.doc-mlaheader .doc-mlaline { line-height: inherit; }

/* Body paragraph: 0.5in first-line indent, no extra space between */
.doc-p {
  margin: 0;
  text-indent: 0.5in;
}

/* References heading: centered; bold for APA/Chicago, plain for MLA */
.doc-heading {
  text-align: center;
  font-weight: 700;
  font-size: inherit;
  margin: 0 0 0.25em;
}

.doc-sheet[data-format="mla"] .doc-heading { font-weight: 400; }

/* Reference entry: 0.5in hanging indent */
.doc-ref {
  margin: 0 0 0 0.5in;
  text-indent: -0.5in;
}

/* Visual page divider in the on-screen preview */
.doc-pagebreak {
  border-top: 1px dashed #c9d2df;
  margin: 1.25rem -1in;   /* bleed across the sheet padding */
  height: 0;
}

/* ---------------------------------------------------------------------
   9. PRINT / PDF RULES
   When the user clicks "Print / Save as PDF", hide all app chrome and
   print only the formatted sheet, paginated with real 1" margins.
   --------------------------------------------------------------------- */
@media print {
  @page { size: 8.5in 11in; margin: 1in; }

  body {
    background: #fff !important;
    font-family: var(--font-serif);
  }

  .site-hero,
  .site-footer,
  .panel--input,
  .panel--controls,
  .preview-bar,
  .panel--preview > .hint { display: none !important; }

  .tool { display: block; margin: 0; }

  .panel,
  .panel--preview {
    border: 0 !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    background: transparent !important;
  }

  .preview-scroll {
    background: transparent !important;
    border: 0 !important;
    padding: 0 !important;
    max-height: none !important;
    overflow: visible !important;
  }

  .doc-sheet {
    width: auto !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;      /* @page margin supplies the 1" */
    box-shadow: none !important;
  }

  .doc-pagebreak {
    border: 0 !important;
    margin: 0 !important;
    page-break-after: always;
    break-after: page;
  }
}