/* =============================================================
   Quill 2 Explorer — Homium Design System
   "Tecnología sin complicaciones."
   ============================================================= */

/* Rubik variable font — Google Fonts CDN */
@import url('https://fonts.googleapis.com/css2?family=Rubik:ital,wght@0,300..900;1,300..900&display=swap');

/* ----- Homium tokens (subset) ----- */
:root {
  --homium-purple:   #290640;
  --homium-cyan:     #00ffff;
  --homium-green:    #5aeaa2;

  --purple-950: #150220;
  --purple-900: #1d042d;
  --purple-800: #240537;
  --purple-700: #290640;
  --purple-600: #380a55;
  --purple-500: #4a1170;
  --purple-400: #6a2a9c;
  --purple-300: #8e57bf;

  --cyan-700:  #00b8b8;
  --cyan-500:  #00ffff;
  --cyan-300:  #9bffff;
  --green-500: #5aeaa2;
  --green-700: #2bb077;

  --bg:            var(--homium-purple);
  --bg-elevated:   var(--purple-600);
  --bg-sunken:     var(--purple-900);
  --fg:            #ffffff;
  --fg-muted:      rgba(255,255,255,0.72);
  --fg-subtle:     rgba(255,255,255,0.45);
  --accent:        var(--homium-cyan);
  --accent-2:      var(--homium-green);
  --border:        rgba(255,255,255,0.10);
  --border-cyan:   var(--homium-cyan);

  --glow-cyan:   0 0 24px rgba(0,255,255,0.45);
  --glow-purple: 0 40px 120px -20px rgba(90,40,180,0.55);

  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-pill: 999px;

  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  24px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 140ms;
  --dur-med:  260ms;

  --font-sans: 'Rubik', system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  --ls-caps:    0.12em;
  --ls-eyebrow: 0.04em;
}

/* =============================================================
   Reset
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

::selection { background: var(--homium-cyan); color: var(--homium-purple); }

/* =============================================================
   Header
   ============================================================= */
header {
  background: var(--purple-900);
  border-bottom: 1px solid rgba(0,255,255,0.18);
  padding: 0 var(--sp-5);
  height: 52px;
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  position: relative;
  /* soft glow behind the header */
  box-shadow: 0 1px 0 rgba(0,255,255,0.08), 0 4px 24px rgba(0,0,0,0.4);
}

header::before {
  /* brand left rail accent */
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--homium-cyan);
}

.header-logo {
  height: 22px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

.header-sep {
  color: rgba(0,255,255,0.35);
  font-size: 16px;
  font-weight: 300;
  flex-shrink: 0;
}

.header-bracket {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: var(--ls-eyebrow);
  color: var(--homium-green);
  opacity: 0.9;
}

.header-bracket::before { content: '[ '; }
.header-bracket::after  { content: ' ]'; }

.header-desc {
  font-size: 12px;
  color: var(--fg-subtle);
  margin-left: auto;
  font-weight: 300;
  font-style: italic;
}

/* =============================================================
   Workspace layout
   ============================================================= */
.workspace {
  display: flex;
  height: calc(100vh - 52px);
}

/* =============================================================
   Toggle Panel (sidebar)
   ============================================================= */
.panel {
  width: 260px;
  min-width: 260px;
  background: var(--purple-900);
  border-right: 1px solid rgba(0,255,255,0.10);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.panel-section {
  padding: var(--sp-5) var(--sp-4) var(--sp-4);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* section heading — Homium bracket eyebrow pattern */
.panel-section h2 {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  color: var(--homium-cyan);
  margin-bottom: var(--sp-3);
  opacity: 0.9;
  display: flex;
  align-items: center;
  gap: 6px;
}

.panel-section h2::before,
.panel-section h2::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(0,255,255,0.15);
}

/* =============================================================
   Toggle row
   ============================================================= */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: 7px 2px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  user-select: none;
  transition: background var(--dur-fast) var(--ease-out);
}

.toggle-row:hover {
  background: rgba(255,255,255,0.04);
}

.toggle-row:hover .toggle-label {
  color: var(--fg);
}

.toggle-row--disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.toggle-label {
  color: var(--fg-muted);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.3;
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 1;
  transition: color var(--dur-fast);
}

.toggle-desc {
  font-size: 10px;
  color: var(--fg-subtle);
  font-weight: 300;
  font-style: italic;
}

/* Toggle switch */
.toggle-switch {
  position: relative;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-knob {
  position: absolute;
  inset: 0;
  background: var(--purple-700);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-pill);
  transition: background var(--dur-med) var(--ease-out),
              border-color var(--dur-med) var(--ease-out);
}

.toggle-knob::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: rgba(255,255,255,0.35);
  border-radius: 50%;
  transition: transform var(--dur-med) var(--ease-out),
              background var(--dur-med) var(--ease-out);
}

.toggle-switch input:checked + .toggle-knob {
  background: rgba(0,255,255,0.15);
  border-color: var(--homium-cyan);
}

.toggle-switch input:checked + .toggle-knob::after {
  transform: translateX(16px);
  background: var(--homium-cyan);
  box-shadow: var(--glow-cyan);
}

/* =============================================================
   Editor area
   ============================================================= */
.editor-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #ffffff;
}

#editor-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Quill toolbar override */
#editor-wrapper .ql-toolbar.ql-snow {
  border: none;
  border-bottom: 1px solid rgba(41,6,64,0.12);
  background: #faf7fc;
  padding: 10px 16px;
  flex-shrink: 0;
  font-family: var(--font-sans);
}

#editor-wrapper .ql-toolbar.ql-snow .ql-formats {
  margin-right: 12px;
}

/* Toolbar button hover — cyan accent */
#editor-wrapper .ql-snow .ql-toolbar button:hover,
#editor-wrapper .ql-snow .ql-toolbar button.ql-active,
#editor-wrapper .ql-snow .ql-toolbar .ql-picker-label:hover,
#editor-wrapper .ql-snow .ql-toolbar .ql-picker-label.ql-active,
#editor-wrapper .ql-snow .ql-toolbar .ql-picker-item:hover,
#editor-wrapper .ql-snow .ql-toolbar .ql-picker-item.ql-selected {
  color: var(--purple-500);
}

#editor-wrapper .ql-snow .ql-toolbar button:hover .ql-stroke,
#editor-wrapper .ql-snow .ql-toolbar button.ql-active .ql-stroke {
  stroke: var(--purple-500);
}

#editor-wrapper .ql-snow .ql-toolbar button:hover .ql-fill,
#editor-wrapper .ql-snow .ql-toolbar button.ql-active .ql-fill {
  fill: var(--purple-500);
}

/* Quill editor container */
#editor-wrapper .ql-container.ql-snow {
  border: none;
  flex: 1;
  overflow-y: auto;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--purple-700);
}

#editor-wrapper .ql-editor {
  max-width: 740px;
  margin: 0 auto;
  padding: 36px 32px;
  min-height: 100%;
  color: var(--purple-700);
}

#editor-wrapper .ql-editor.ql-blank::before {
  color: rgba(74,17,112,0.30);
  font-style: italic;
  font-weight: 300;
}

/* Headings — purple, Rubik */
#editor-wrapper .ql-editor h1,
#editor-wrapper .ql-editor h2,
#editor-wrapper .ql-editor h3 {
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--homium-purple);
}

/* Blockquote — cyan left border */
#editor-wrapper .ql-editor blockquote {
  border-left: 3px solid var(--homium-cyan);
  color: var(--purple-400);
  padding-left: 16px;
  font-style: italic;
  font-weight: 300;
}

/* Code block — dark purple surface */
#editor-wrapper .ql-editor pre.ql-syntax {
  background: var(--purple-900);
  color: var(--cyan-300);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  border: 1px solid rgba(0,255,255,0.15);
}

/* Inline code */
#editor-wrapper .ql-editor code {
  background: rgba(41,6,64,0.08);
  color: var(--purple-500);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* Links */
#editor-wrapper .ql-editor a {
  color: var(--purple-500);
  text-decoration: underline;
  text-decoration-color: rgba(74,17,112,0.3);
}

/* =============================================================
   Export bar
   ============================================================= */
.export-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 8px 16px;
  background: #faf7fc;
  border-top: 1px solid rgba(41,6,64,0.10);
  flex-shrink: 0;
}

.export-bar button {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 14px;
  background: var(--homium-purple);
  color: var(--homium-cyan);
  border: 1px solid rgba(0,255,255,0.25);
  border-radius: var(--radius-pill);
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background var(--dur-fast), box-shadow var(--dur-fast);
}

.export-bar button:hover {
  background: var(--purple-600);
  box-shadow: var(--glow-cyan);
}

/* Export panel */
#export-panel {
  display: none;
  padding: 12px 16px;
  background: var(--purple-900);
  border-top: 1px solid rgba(0,255,255,0.10);
  max-height: 200px;
  overflow-y: auto;
  flex-shrink: 0;
}

.export-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}

.export-col h3 {
  font-size: 9px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--ls-caps);
  color: var(--homium-green);
  margin-bottom: 6px;
}

.export-col pre {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  color: var(--fg-muted);
  white-space: pre-wrap;
  word-break: break-all;
  background: var(--purple-950);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0,255,255,0.08);
  max-height: 130px;
  overflow-y: auto;
}

/* =============================================================
   Scrollbar
   ============================================================= */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,255,255,0.20); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,255,255,0.40); }

/* =============================================================
   Panel toggle button (visible solo en mobile)
   ============================================================= */
.panel-toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: transparent;
  border: 1px solid rgba(0,255,255,0.18);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--dur-fast), border-color var(--dur-fast);
}

.panel-toggle-btn span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--homium-cyan);
  border-radius: 2px;
  transition: transform var(--dur-med) var(--ease-out),
              opacity var(--dur-med) var(--ease-out);
}

.panel-toggle-btn:hover {
  background: rgba(0,255,255,0.08);
  border-color: var(--homium-cyan);
}

/* Estado abierto — convierte en X */
.panel-toggle-btn.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.panel-toggle-btn.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.panel-toggle-btn.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Overlay para cerrar el panel tocando fuera */
.panel-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 9;
  backdrop-filter: blur(2px);
}

.panel-overlay.is-visible { display: block; }

/* =============================================================
   Responsive
   ============================================================= */

/* ── Tablet (≤ 900px): panel más estrecho ── */
@media (max-width: 900px) {
  .panel {
    width: 220px;
    min-width: 220px;
  }

  .header-desc { display: none; }

  #editor-wrapper .ql-editor {
    padding: 24px 20px;
  }
}

/* ── Mobile (≤ 640px): panel como drawer ── */
@media (max-width: 640px) {
  .panel-toggle-btn { display: flex; }

  .panel {
    position: fixed;
    top: 52px;
    left: 0;
    bottom: 0;
    width: 280px;
    min-width: unset;
    z-index: 10;
    transform: translateX(-100%);
    transition: transform var(--dur-med) var(--ease-out);
    box-shadow: 4px 0 32px rgba(0,0,0,0.5);
  }

  .panel.is-open {
    transform: translateX(0);
  }

  .workspace {
    height: calc(100vh - 52px);
  }

  #editor-wrapper .ql-editor {
    padding: 20px 16px;
    max-width: 100%;
  }

  #editor-wrapper .ql-toolbar.ql-snow {
    padding: 8px 12px;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .export-cols {
    grid-template-columns: 1fr;
  }

  .header-sep { display: none; }
  .header-bracket { display: none; }
}

/* ── Mobile pequeño (≤ 380px) ── */
@media (max-width: 380px) {
  header { padding: 0 12px; gap: 10px; }
  .header-logo { height: 18px; }
}

/* Quill picker label overrides */
.ql-snow .ql-picker.ql-header .ql-picker-label::before,
.ql-snow .ql-picker.ql-header .ql-picker-item::before { content: 'Normal'; }
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value='1']::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value='1']::before { content: 'H1'; }
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value='2']::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value='2']::before { content: 'H2'; }
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value='3']::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value='3']::before { content: 'H3'; }