/* =============================================================
   matrix.css — Medienbildungsmatrix Sachsen-Anhalt
   Companion stylesheet for matrix.html.

   Sections:
     1. Meta bar & controls
     2. Mode switch (Edit / View)
     3. Fach navigation tabs
     4. Subject year selectors
     5. Legend bar
     6. Table layout
     7. Entry cards (edit mode)
     8. View mode cards
     9. Notes & export panels
    10. Autosave indicator
    11. Print styles
    12. Responsive breakpoints
   ============================================================= */


/* ─────────────────────────────────────────────────────────────
   1. Meta bar & controls
   ───────────────────────────────────────────────────────────── */

.meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  padding: 14px 20px;
  margin-bottom: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.mf {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mf label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.mf input,
.mf select {
  min-width: 148px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: 13px/1 "IBM Plex Sans", sans-serif;
}

.mf input:focus,
.mf select:focus,
.notes-ta:focus,
.tk-card-text:focus,
.export-scope select:focus {
  outline: 2px solid var(--orange);
  outline-offset: 1px;
}

.meta-acts {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: flex-end;
  margin-left: auto;
}

.btn-a {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--blue);
  font: 600 13px "IBM Plex Sans", sans-serif;
  cursor: pointer;
  white-space: nowrap;
  appearance: none;
}

.btn-a:hover        { background: var(--soft-blue); }
.btn-a.pri          { background: var(--orange); color: #fff; border-color: var(--orange); }
.btn-a.dng          { background: var(--soft-red); color: #8c2d3b; border-color: #f0b8be; }


/* ─────────────────────────────────────────────────────────────
   2. Mode switch (Edit / View)
   ───────────────────────────────────────────────────────────── */

.mode-switch {
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.mode-btn {
  padding: 8px 12px;
  border: none;
  border-right: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  cursor: pointer;
}

.mode-btn:last-child { border-right: none; }
.mode-btn.active     { background: var(--blue); color: #fff; }


/* ─────────────────────────────────────────────────────────────
   3. Fach navigation tabs
   ───────────────────────────────────────────────────────────── */

.fach-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  padding: 10px 14px;
  margin-bottom: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.fach-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--bg);
  color: var(--muted);
  font: 600 13px "IBM Plex Sans", sans-serif;
  cursor: pointer;
  appearance: none;
}

.fach-tab:hover           { background: var(--soft-blue); color: var(--blue); border-color: #b8c8e8; }
.fach-tab.active          { background: var(--blue); color: #fff; border-color: var(--blue); }

.tab-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: transparent;
  flex-shrink: 0;
}

.fach-tab.has-entries .tab-dot        { background: var(--orange); }
.fach-tab.active.has-entries .tab-dot { background: #ffd07a; }


/* ─────────────────────────────────────────────────────────────
   4. Subject year selectors
   ───────────────────────────────────────────────────────────── */

.fach-panel         { display: none; }
.fach-panel.visible { display: block; }

.fach-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.fach-head h3  { margin: 0; font-size: 22px; color: var(--blue); }
.fach-head .fid { display: none; }

.subject-years {
  padding: 14px 18px;
  margin-bottom: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.subject-years h4 { margin: 0 0 8px; font-size: 13px; color: var(--blue); }
.subject-years p  { display: none; }

.subject-year-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.subject-year {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 13px;
}

.subject-year input { accent-color: var(--orange); }


/* ─────────────────────────────────────────────────────────────
   5. Legend bar
   ───────────────────────────────────────────────────────────── */

.legend-inline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 10px 16px;
  margin-bottom: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 12px;
  color: var(--text);
}

.leg-group { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; }

.leg-label {
  margin-right: 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.leg-text { margin-right: 6px; color: var(--muted); }

.leg-sep {
  width: 1px;
  height: 18px;
  background: var(--line);
  flex-shrink: 0;
}

/* Colour dots used in legend (not clickable) */
.chip-dot {
  display: inline-block;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  flex-shrink: 0;
}

.chip-dot-green  { background: #27a862; }
.chip-dot-orange { background: #f59e0b; }
.chip-dot-red    { background: #e53e3e; }

/* Level badge used in legend */
.chip-lv {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: var(--blue);
  color: #fff;
  border-radius: 5px;
  font: 700 10px "IBM Plex Sans", sans-serif;
  flex-shrink: 0;
}


/* ─────────────────────────────────────────────────────────────
   6. Table layout
   ───────────────────────────────────────────────────────────── */

.mx-section {
  overflow: hidden;
  margin-bottom: 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.mx-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 10px 16px;
  background: #f7f9fc;
  border-bottom: 1px solid var(--line);
}

.mx-section-head h4    { margin: 0; font-size: 15px; color: var(--blue); }
.mx-section-head .small { font-size: 11px; color: var(--muted); }

.mx-wrap { overflow-x: auto; }

.mx-table {
  width: 100%;
  min-width: 800px;
  border-collapse: collapse;
  table-layout: fixed;
}

/* Uniform cell borders */
.mx-table th,
.mx-table td {
  padding: 0;
  overflow: hidden;
  vertical-align: top;
  border: 1px solid #c8d4e4;
}

/* Column header cells */
.mx-table thead th {
  padding: 9px 10px;
  background: var(--blue);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.35;
  text-align: left;
  white-space: normal;
  word-break: break-word;
}

/* Sticky fach-abbreviation header */
.mx-table thead th:first-child {
  width: 44px;
  min-width: 44px;
  text-align: center;
  position: sticky;
  left: 0;
  z-index: 4;
  background: var(--blue);
}

/* Jahrgang data cell — vertical text, sticky */
.mx-jg-cell {
  width: 44px;
  min-width: 44px;
  max-width: 44px;
  background: #eef2f8;
  color: var(--blue);
  position: sticky;
  left: 0;
  z-index: 2;
  vertical-align: middle;
  box-shadow: 2px 0 5px rgba(41, 56, 92, 0.08);
}

/* Inner wrapper centres text vertically inside rowspan */
.mx-jg-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 80px;
  padding: 8px 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  writing-mode: vertical-lr;
  transform: rotate(180deg);
}

/* Active content cell */
.tk-cell-active {
  padding: 0;
  background: #fff;
  vertical-align: top;
}

/* Disabled cell — no TK exists at this row index for this Bereich */
.tk-cell-disabled {
  padding: 8px 8px 8px 10px;
  vertical-align: top;
  background: repeating-linear-gradient(
    135deg,
    #f3f4f6 0,
    #f3f4f6 4px,
    #e8eaed 4px,
    #e8eaed 8px
  );
}

.tk-disabled-label {
  font-size: 11px;
  font-style: italic;
  color: #9aa3b0;
}

/* TK title bar inside an active cell */
.tk-title {
  padding: 8px 10px;
  background: #f0f3f8;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--blue);
  word-break: break-word;
  border-bottom: 1px solid #c8d4e4;
}


/* ─────────────────────────────────────────────────────────────
   7. Entry cards (edit mode)
   ───────────────────────────────────────────────────────────── */

.tk-entry-area {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
}

/* Single entry card */
.tk-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid #dde4ef;
  border-radius: 7px;
}

/* Controls row: [● ● ●] [E W V] [−] — never wraps */
.tk-card-controls {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 5px;
  padding: 5px 7px;
  background: #f7f9fc;
  border-bottom: 1px solid #dde4ef;
}

/* Spacer between level buttons and delete button */
.tk-card-controls .spacer { flex: 1; }

/* Status circles */
.sc {
  width: 18px;
  height: 18px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  flex-shrink: 0;
  opacity: 0.28;
  appearance: none;
  transition: opacity 0.12s, transform 0.1s;
}

.sc:hover    { opacity: 0.75; transform: scale(1.1); }
.sc.on       { opacity: 1; border-color: rgba(0, 0, 0, 0.2); transform: scale(1.08); }
.sc-g        { background: #27a862; }
.sc-o        { background: #f59e0b; }
.sc-r        { background: #e53e3e; }

/* Level buttons */
.lc {
  padding: 1px 5px;
  border: 1px solid #c8d4e4;
  border-radius: 5px;
  background: #fff;
  color: #667085;
  font: 700 10px "IBM Plex Sans", sans-serif;
  cursor: pointer;
  flex-shrink: 0;
  opacity: 0.45;
  appearance: none;
  transition: opacity 0.1s, background 0.1s;
}

.lc:hover { opacity: 0.85; background: #eef2f8; }
.lc.on    { opacity: 1; background: var(--blue); color: #fff; border-color: var(--blue); }

/* Delete button */
.btn-del {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  padding: 0;
  border: 1px solid #efc0c6;
  border-radius: 50%;
  background: #fff3f4;
  color: #8c2d3b;
  font: 700 13px "IBM Plex Sans", sans-serif;
  cursor: pointer;
  flex-shrink: 0;
  appearance: none;
}

.btn-del:hover { background: #fde8ea; }

/* Freetext textarea */
.tk-card-text {
  display: block;
  width: 100%;
  min-height: 60px;
  padding: 6px 8px;
  border: none;
  border-radius: 0;
  background: #fff;
  color: var(--text);
  font: 12px/1.5 "IBM Plex Sans", sans-serif;
  resize: vertical;
  box-sizing: border-box;
  outline: none;
}

.tk-card-text:focus       { background: #fffdf8; }
.tk-card-text::placeholder { color: #b0bccf; font-style: italic; }

/* Add-entry button row */
.tk-add-row { padding: 4px 8px 6px; }

.btn-add {
  width: 100%;
  padding: 3px 10px;
  border: 1px dashed #adbdd4;
  border-radius: 6px;
  background: transparent;
  color: var(--blue);
  font: 600 11px "IBM Plex Sans", sans-serif;
  text-align: center;
  cursor: pointer;
  appearance: none;
}

.btn-add:hover { background: #eef2f8; border-style: solid; }


/* ─────────────────────────────────────────────────────────────
   8. View mode cards
   ───────────────────────────────────────────────────────────── */

.tk-view-area {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.tk-view-card {
  padding: 7px 9px;
  background: #fafbfe;
  border: 1px solid #dde4ef;
  border-radius: 7px;
}

.tk-view-card.s-g { background: #f4fbf6; border-color: #b9dcbc; }
.tk-view-card.s-o { background: #fff8f0; border-color: #f1c999; }
.tk-view-card.s-r { background: #fff8f8; border-color: #e7b2b2; }

.tk-view-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 4px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.2;
}

.badge-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

.badge.s-g    { background: #edf7ef; border-color: #b9dcbc; color: #25663e; }
.badge.s-o    { background: #fff4e8; border-color: #f1c999; color: #8c4b13; }
.badge.s-r    { background: #fdeeee; border-color: #e7b2b2; color: #8c2d3b; }
.badge.s-none { background: #f4f6fa; border-color: #dde3eb; color: #667085; }
.badge.lv     { min-width: 28px; justify-content: center; background: #eef2f8; border-color: #c8d4e4; color: var(--blue); }

.tk-view-text {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text);
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

.tk-view-empty {
  font-size: 11px;
  font-style: italic;
  color: #9aa3b0;
}


/* ─────────────────────────────────────────────────────────────
   9. Notes & export panels
   ───────────────────────────────────────────────────────────── */

.notes-panel,
.export-panel {
  padding: 14px 18px;
  margin-bottom: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.notes-panel h4,
.export-panel h4 { margin: 0 0 8px; font-size: 13px; color: var(--blue); }
.export-panel p  { display: none; }

.notes-ta {
  width: 100%;
  min-height: 66px;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: 13px/1.6 "IBM Plex Sans", sans-serif;
  resize: vertical;
}

.export-row  { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }

.export-scope { display: flex; flex-direction: column; gap: 4px; }
.export-scope label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.export-scope select {
  min-width: 210px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: 13px/1 "IBM Plex Sans", sans-serif;
}


/* ─────────────────────────────────────────────────────────────
   10. Autosave indicator
   ───────────────────────────────────────────────────────────── */

#autosave-indicator {
  position: fixed;
  bottom: 18px;
  right: 22px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  background: var(--blue);
  color: #fff;
  border-radius: 999px;
  font: 500 12px/1 "IBM Plex Sans", sans-serif;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  box-shadow: 0 2px 8px rgba(41, 56, 92, 0.18);
}

#autosave-indicator.visible { opacity: 1; }

#autosave-indicator::before {
  content: "";
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6ee7a0;
  flex-shrink: 0;
}


/* ─────────────────────────────────────────────────────────────
   11. Print styles
   ───────────────────────────────────────────────────────────── */

@media print {
  /* Hide all interactive chrome */
  .sidebar,
  .sidebar-toggle,
  .fach-nav,
  .subject-years,
  .notes-panel,
  .export-panel,
  .meta-acts,
  .mode-switch,
  .btn-a,
  .btn,
  .tools,
  .btn-del,
  .btn-add,
  .tk-add-row,
  #autosave-indicator,
  input[type="file"] {
    display: none !important;
  }

  .layout        { display: block !important; padding: 0 !important; max-width: none !important; }
  .main          { width: 100% !important; }
  .meta-bar      { border: none !important; padding: 0 0 10pt !important; margin-bottom: 10pt !important; }
  .fach-panel    { display: none !important; }
  .fach-panel.visible { display: block !important; }

  /* Table */
  .mx-section    { break-inside: avoid; border: none !important; }
  .mx-wrap       { overflow: visible !important; }
  .mx-table      { table-layout: fixed !important; width: 100% !important; min-width: 0 !important; }

  .mx-table thead th {
    font-size: 8pt !important;
    padding: 5pt 4pt !important;
    background: #29385c !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .mx-jg-cell {
    background: #eef2f8 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .mx-jg-inner {
    writing-mode: horizontal-tb !important;
    transform: none !important;
    font-size: 8pt !important;
    padding: 4pt !important;
    min-height: unset !important;
  }

  .tk-title {
    font-size: 8pt !important;
    background: #f0f3f8 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .tk-cell-disabled {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* Show only selected status/level chips */
  .sc:not(.on),
  .lc:not(.on) { display: none !important; }

  .sc,
  .lc,
  .tk-card-controls,
  .tk-view-card {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  @page {
    size: A3 landscape;
    margin: 10mm;
  }
}


/* ─────────────────────────────────────────────────────────────
   12. Responsive breakpoints
   ───────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .fach-head {
    flex-direction: column;
    align-items: flex-start;
  }
}