/* ── Design Tokens: Inkwell (default) ── */
:root {
  /* Background layers */
  --bg-deep:  #070504;
  --bg:       #0B0908;
  --bg2:      #16120D;
  --bg3:      #1D1812;
  --bg4:      #2A2218;
  --surface-1: #16120D;
  --surface-2: #1D1812;

  /* Borders */
  --border:  #2A2218;
  --border2: #382E1E;

  /* Text */
  --text:      #F2E9D8;
  --text2:     #A39682;
  --text3:     #6B6256;

  /* Primary accent — warm amber */
  --accent:       #D4A04A;
  --accent2:      #8C6A30;
  --accent3:      #E8B870;
  --accent-glow:  rgba(212,160,74,0.12);
  --accent-glow2: rgba(212,160,74,0.07);
  --accent-soft:  rgba(212,160,74,0.10);

  /* Semantic */
  --success:    #9BB079;
  --success-bg: rgba(155,176,121,0.12);
  --danger:     #C76E5A;
  --danger-bg:  rgba(199,110,90,0.12);
  --warning:    #D4A04A;
  --warning-bg: rgba(212,160,74,0.12);

  /* Legacy aliases */
  --surface2: var(--bg2);
  --surface3: var(--bg3);
  --text1: var(--text);
  --muted:  var(--text3);
  --surface-title-color: var(--accent);
  --status-bg:     rgba(22,18,13,0.8);
  --status-border: rgba(212,160,74,0.2);

  /* Semantic extras */
  --text-inverse: #1a1108;
  --danger-hover: #a8503e;
  --danger-light: #e09080;
  --success-light: #b0c890;
  --warning-light: #e8c070;
  --text-muted-hard: #6B6256;

  /* Radii */
  --radius:    8px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.35);
  --shadow:    0 4px 20px rgba(0,0,0,0.45);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.55);

  /* Z-index scale */
  --z-base:          2;
  --z-above:        10;
  --z-sticky:      100;
  --z-drawer:      200;
  --z-overlay:     300;
  --z-dropdown:    400;
  --z-modal:       500;
  --z-modal-backdrop: 900;
  --z-toast:      1000;
  --z-lightbox:   2000;
  --z-skip-link:  9999;

  /* Typography */
  --font-ui:    'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-body:  'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-serif: 'Lora', 'Iowan Old Style', Georgia, serif;
  --font-mono:  'Geist Mono', 'JetBrains Mono', ui-monospace, monospace;

  /* Reader */
  --reader-width: 620px;
  --reader-font-size: 17px;
  --reader-line-height: 1.75;
  --story-choice-gap: 22px;
}

/* ── Multi-theme support ── */
[data-theme="moonlight"] {
  --bg-deep:  #06080F;
  --bg:       #0A0D17;
  --bg2:      #141828;
  --bg3:      #1B2034;
  --bg4:      #262C42;
  --surface-1: #141828;
  --surface-2: #1B2034;
  --border:   #262C42;
  --border2:  #303752;
  --text:     #E5E8F3;
  --text2:    #959BB5;
  --text3:    #5F647C;
  --accent:       #9BB0E6;
  --accent2:      #5E6E9C;
  --accent3:      #B8CAEE;
  --accent-glow:  rgba(155,176,230,0.12);
  --accent-glow2: rgba(155,176,230,0.07);
  --accent-soft:  rgba(155,176,230,0.10);
  --danger:   #D08585;
  --success:  #8DC2A8;
  --text-inverse: #06080F;
}
[data-theme="ember"] {
  --bg-deep:  #0A0504;
  --bg:       #0E0807;
  --bg2:      #1A100D;
  --bg3:      #231612;
  --bg4:      #33201A;
  --surface-1: #1A100D;
  --surface-2: #231612;
  --border:   #33201A;
  --border2:  #44291F;
  --text:     #F4E5DD;
  --text2:    #A38B7E;
  --text3:    #705C52;
  --accent:       #E2785A;
  --accent2:      #94432C;
  --accent3:      #EFA080;
  --accent-glow:  rgba(226,120,90,0.12);
  --accent-glow2: rgba(226,120,90,0.07);
  --accent-soft:  rgba(226,120,90,0.10);
  --danger:   #D14F3C;
  --success:  #A5B07A;
  --text-inverse: #0A0504;
}
[data-theme="mossbound"] {
  --bg-deep:  #060908;
  --bg:       #0A0E0B;
  --bg2:      #131A14;
  --bg3:      #1A221C;
  --bg4:      #222D24;
  --surface-1: #131A14;
  --surface-2: #1A221C;
  --border:   #222D24;
  --border2:  #2D3B2F;
  --text:     #E6EFE3;
  --text2:    #919F90;
  --text3:    #5E695F;
  --accent:       #82B894;
  --accent2:      #4F7A60;
  --accent3:      #A0CEB0;
  --accent-glow:  rgba(130,184,148,0.12);
  --accent-glow2: rgba(130,184,148,0.07);
  --accent-soft:  rgba(130,184,148,0.10);
  --danger:   #D08577;
  --success:  #A5C58E;
  --text-inverse: #060908;
}

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

html, body {
  min-height: 100%;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
@media (max-width: 768px) {
  html, body {
    min-height: 100dvh;
    min-height: -webkit-fill-available;
  }
}

#app { min-height: 100%; background: var(--bg); }
@media (max-width: 768px) {
  #app { min-height: 100dvh; }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); }

/* ── Typography ── */
h1 { font-size: 1.8rem; font-weight: 700; letter-spacing: -0.5px; }
h2 { font-size: 1.3rem; font-weight: 600; }
h3 { font-size: 1.1rem; font-weight: 600; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s, opacity 0.15s;
  white-space: nowrap;
  font-family: var(--font-ui);
  line-height: 1;

}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn:active:not(:disabled) { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
  font-weight: 600;
  box-shadow: 0 1px 0 var(--accent), 0 6px 18px var(--accent-soft);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent3);
  border-color: var(--accent3);
}
.btn-secondary {
  background: var(--bg3);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--bg2);
  border-color: var(--accent);
}
.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.btn-danger:hover:not(:disabled) { background: var(--danger-hover); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--bg2);
  border-color: var(--border2);
}
.btn-naked {
  background: transparent;
  color: var(--text2);
  border-color: transparent;
}
.btn-naked:hover:not(:disabled) {
  background: var(--bg2);
  color: var(--text);
}
.btn-accent {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
}
.btn-accent:hover:not(:disabled) {
  background: var(--accent-glow);
}
.btn-sm { padding: 6px 10px; font-size: 13px; border-radius: 8px; }
.btn-icon {
  padding: 7px;
  width: 36px;
  height: 36px;
  background: transparent;
  color: var(--text2);
  border-color: transparent;
  border-radius: 10px;
  justify-content: center;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.btn-icon:hover { color: var(--text); background: var(--bg2); border-color: var(--border); }

/* ── Form controls ── */
input[type="text"],
input[type="url"],
input[type="number"],
input[type="password"],
input[type="search"],
textarea,
select {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 11px 14px;
  font-size: 14px;
  font-family: var(--font-ui);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
input::placeholder, textarea::placeholder { color: var(--text3); }
input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
@media (max-width: 768px) {
  input[type="text"],
  input[type="url"],
  input[type="number"],
  input[type="password"],
  input[type="search"],
  textarea,
  select {
    font-size: 16px;
    padding: 10px 12px;
  }
  textarea.mono { font-size: 16px; }
}
textarea { resize: vertical; min-height: 80px; line-height: 1.5; }
textarea.mono { font-family: var(--font-mono); font-size: 13px; }
select option { background: var(--bg2); }

label { display: block; font-size: 13px; color: var(--text2); margin-bottom: 6px; font-weight: 500; }

.form-group { margin-bottom: 22px; }
.form-row { display: flex; gap: 14px; }
.form-row > * { flex: 1; }

/* ── Slider ── */
.slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.slider-row label { min-width: 130px; margin: 0; }
.slider-row input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  background: var(--bg4);
  height: 4px;
  border-radius: 2px;
  border: none;
  padding: 0;
}
.slider-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 0.5px solid rgba(0,0,0,0.2);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
  cursor: pointer;
}
.slider-value {
  min-width: 42px;
  text-align: right;
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  font-family: var(--font-mono);
}

/* ── Toggle switch ── */
.toggle-wrap { display: flex; align-items: center; gap: 10px; }
.toggle {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg4);
  border-radius: 22px;
  transition: background 0.2s;
  cursor: pointer;
  border: 1px solid var(--border);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 2px;
  top: 2px;
  border-radius: 50%;
  background: var(--text2);
  transition: transform 0.2s, background 0.2s;
  box-shadow: 0 1px 2px rgba(0,0,0,0.25);
}
.toggle input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(18px); background: var(--text-inverse); }

/* ── Tabs ── */
.tab-bar {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.tab-btn {
  padding: 12px 14px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text2);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Cards ── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
}
.badge-fantasy { background: rgba(130,90,200,0.15); color: #b090e0; border-color: rgba(130,90,200,0.2); }
.badge-scifi   { background: rgba(50,160,200,0.15);  color: #60c0e0; border-color: rgba(50,160,200,0.2); }
.badge-horror  { background: rgba(200,60,60,0.15);   color: #e07070; border-color: rgba(200,60,60,0.2); }
.badge-mystery { background: rgba(212,160,74,0.15);  color: #d4a860; border-color: rgba(212,160,74,0.2); }
.badge-romance { background: rgba(200,80,120,0.15);  color: #e090b0; border-color: rgba(200,80,120,0.2); }
.badge-default { background: var(--bg3); color: var(--text2); border-color: var(--border); }

/* ── Genre tag pill ── */
.genre-tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
}

/* ── Toast notifications ── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  animation: slide-in 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 360px;
  box-shadow: 0 6px 28px rgba(0,0,0,0.5);
  border: 1px solid;
  font-family: var(--font-ui);

}
.toast-success {
  background: rgba(20,30,18,0.97);
  color: var(--success-light);
  border-color: rgba(155,176,121,0.25);
}
.toast-error {
  background: rgba(32,16,12,0.97);
  color: var(--danger-light);
  border-color: rgba(199,110,90,0.3);
}
.toast-info {
  background: rgba(20,16,10,0.97);
  color: var(--accent3);
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
}
@keyframes slide-in { from { transform: translateX(110%); opacity: 0; } to { transform: none; opacity: 1; } }

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fade-in 0.18s ease;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.modal {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 28px;
  min-width: 320px;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  animation: modal-in 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);

}
.modal h3 { margin-bottom: 12px; font-family: var(--font-serif); font-weight: 500; font-size: 20px; }
.modal p { color: var(--text2); margin-bottom: 20px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
.modal-body { margin-bottom: 16px; }
@keyframes modal-in { from { transform: scale(0.94) translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes fade-in  { from { opacity: 0; } to { opacity: 1; } }

/* ── Preamble / info note ── */
.preamble-note {
  padding: 12px 14px;
  background: var(--accent-soft);
  border-left: 2px solid var(--accent);
  border-radius: 0 8px 8px 0;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--text2);
  font-family: var(--font-serif);
  font-style: italic;
  line-height: 1.55;
}

/* ── Spinner ── */
.spinner {
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: var(--z-lightbox);
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox img { max-width: 90vw; max-height: 90vh; border-radius: var(--radius); }
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255,255,255,0.1);
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}