/*
  Edge — style.css
  Warm editorial EdTech. Fraunces display + DM Sans body.
  Sage-cream light mode · Deep navy dark mode.
  Every value tokenised — nothing hardcoded.
*/


/* ──────────────────────────────────────────────
   TOKENS — light mode
   ────────────────────────────────────────────── */
:root {

  /* Brand */
  --brand:          #5B6AF0;
  --brand-dark:     #4A58D8;
  --brand-faint:    #EDEFFE;
  --brand-border:   #C7CCF7;

  /* Accent — warm amber */
  --amber:          #E8845A;
  --amber-bg:       #FEF4EF;
  --amber-border:   #F8C9B1;

  /* Difficulty colours */
  --yellow:         #D4A017;
  --yellow-bg:      #FFFBEB;
  --yellow-border:  #FDE68A;
  --green:          #2A9D5C;
  --green-bg:       #F0FBF4;
  --green-border:   #A8E6C1;
  --red:            #DC3545;
  --red-bg:         #FFF0F1;
  --red-border:     #FFBCC0;

  /* Surfaces */
  --page-bg:        #F7F5F0;   /* warm cream */
  --card-bg:        #FFFFFF;
  --inset-bg:       #F2F0EB;

  /* Borders */
  --border:         #E4E0D8;
  --border-strong:  #CEC9BF;
  --border-focus:   #5B6AF0;

  /* Text */
  --text-1:         #1A1714;
  --text-2:         #3A3530;
  --text-3:         #756E65;
  --text-4:         #A89E92;
  --text-inv:       #FFFFFF;

  /* Shadows */
  --shadow-card:    0 1px 4px rgba(26,23,20,0.06), 0 1px 2px rgba(26,23,20,0.04);
  --shadow-raised:  0 6px 20px rgba(26,23,20,0.09), 0 2px 6px rgba(26,23,20,0.05);
  --shadow-modal:   0 24px 64px rgba(26,23,20,0.16), 0 8px 20px rgba(26,23,20,0.08);
  --shadow-btn:     0 2px 6px rgba(91,106,240,0.28);

  /* Sizing */
  --topbar-h:       58px;
  --content-w:      780px;
  --radius-sm:      7px;
  --radius:         11px;
  --radius-lg:      16px;
  --radius-xl:      20px;
  --radius-pill:    99px;

  /* Animation speed */
  --fast:   110ms ease;
  --normal: 200ms ease;
  --slow:   280ms ease;

  /* Fonts */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;
}


/* ──────────────────────────────────────────────
   TOKENS — dark mode
   ────────────────────────────────────────────── */
[data-theme="dark"] {
  /* Brand — vivid electric violet */
  --brand:          #8B7FFF;
  --brand-dark:     #A599FF;
  --brand-faint:    rgba(139,127,255,0.10);
  --brand-border:   rgba(139,127,255,0.22);

  /* Accent — cyan-teal */
  --amber:          #22D3EE;
  --amber-bg:       rgba(34,211,238,0.08);
  --amber-border:   rgba(34,211,238,0.20);

  /* Difficulty — vivid, saturated */
  --yellow:         #FCD34D;
  --yellow-bg:      rgba(252,211,77,0.09);
  --yellow-border:  rgba(252,211,77,0.22);
  --green:          #4ADE80;
  --green-bg:       rgba(74,222,128,0.09);
  --green-border:   rgba(74,222,128,0.22);
  --red:            #FF6B6B;
  --red-bg:         rgba(255,107,107,0.09);
  --red-border:     rgba(255,107,107,0.22);

  /* Pure black surfaces */
  --page-bg:        #000000;
  --card-bg:        #0D0D0D;
  --inset-bg:       #141414;

  /* Borders — very subtle on black */
  --border:         #1E1E1E;
  --border-strong:  #2A2A2A;
  --border-focus:   #8B7FFF;

  /* Text — clean white hierarchy */
  --text-1:         #FFFFFF;
  --text-2:         #B0B0B0;
  --text-3:         #666666;
  --text-4:         #3A3A3A;

  --shadow-card:    0 1px 4px rgba(0,0,0,0.8),  0 1px 2px rgba(0,0,0,0.6);
  --shadow-raised:  0 6px 24px rgba(0,0,0,0.9),  0 2px 8px rgba(0,0,0,0.7);
  --shadow-modal:   0 24px 64px rgba(0,0,0,0.95), 0 8px 20px rgba(0,0,0,0.8);
  --shadow-btn:     0 2px 12px rgba(139,127,255,0.40);
}


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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-2);
  background: var(--page-bg);
  min-height: 100vh;
  transition: background var(--slow), color var(--slow);
  overflow-x: hidden;
}


/* ──────────────────────────────────────────────
   BACKGROUND — sharp dot grid like reference
   ────────────────────────────────────────────── */

/* Orbs — very subtle, just for warmth */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(100px);
  opacity: 0.12;
}

.bg-orb-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -150px;
  background: radial-gradient(circle, #6B5FFF 0%, transparent 70%);
  animation: orbFloat1 18s ease-in-out infinite;
}

.bg-orb-2 {
  width: 400px;
  height: 400px;
  bottom: 5%;
  left: -120px;
  background: radial-gradient(circle, #22D3EE 0%, transparent 70%);
  opacity: 0.07;
  animation: orbFloat2 22s ease-in-out infinite;
}

.bg-orb-3 {
  width: 300px;
  height: 300px;
  top: 40%;
  left: 50%;
  background: radial-gradient(circle, #8B7FFF 0%, transparent 70%);
  opacity: 0.06;
  animation: orbFloat3 26s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0);          }
  50%       { transform: translate(-20px, 30px);   }
}
@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0);          }
  50%       { transform: translate(25px, -20px);   }
}
@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0);          }
  50%       { transform: translate(-30px, 15px);   }
}

[data-theme="dark"] .bg-orb-1 {
  opacity: 0.22;
  filter: blur(90px);
}
[data-theme="dark"] .bg-orb-2 {
  opacity: 0.14;
  filter: blur(90px);
}
[data-theme="dark"] .bg-orb-3 {
  opacity: 0.12;
  filter: blur(90px);
}

/* Dark mode vignette — subtle edge darkening for depth */
[data-theme="dark"] body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.55) 100%);
}

/* Sharp dot grid — visible in both light and dark */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  /* Default = light mode dots */
  background-image: radial-gradient(circle, rgba(91,106,240,0.18) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
}

/* Dark mode — brighter, more visible dots */
[data-theme="dark"] .bg-grid {
  background-image: radial-gradient(circle, rgba(180,170,255,0.28) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
}

/* Particles */
.particle {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  animation: particleFly linear infinite;
}

@keyframes particleFly {
  0%   { transform: translateY(0) scale(1);        opacity: 0;    }
  10%  { opacity: 0.3; }
  90%  { opacity: 0.1; }
  100% { transform: translateY(-100vh) scale(0.3); opacity: 0;    }
}


/* ──────────────────────────────────────────────
   TOPBAR
   ────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--topbar-h);
  background: rgba(247,245,240,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  transition: background var(--slow), border-color var(--slow);
}

[data-theme="dark"] .topbar {
  background: rgba(0,0,0,0.92);
  border-bottom-color: #1E1E1E;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

/* Logo — simple brain icon + name, no box */
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.logo-brain {
  font-size: 18px;
  color: var(--brand);
  transition: transform var(--fast), color var(--fast);
  filter: drop-shadow(0 0 6px rgba(139,127,255,0.5));
}
.logo:hover .logo-brain {
  transform: scale(1.12);
  filter: drop-shadow(0 0 10px rgba(139,127,255,0.8));
}

.logo-name {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-1);
  transition: color var(--slow);
}

/* Keep these for privacy page compat */
.logo-mark  { display: none; }
.logo-text  { display: none; }
.logo-tagline { display: none; }

/* Right controls */
.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-beta {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--brand);
  background: var(--brand-faint);
  border: 1px solid var(--brand-border);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  transition: background var(--slow), border-color var(--slow), color var(--slow);
}

.topbar-sep {
  width: 1px;
  height: 18px;
  background: var(--border);
  margin: 0 2px;
  transition: background var(--slow);
}

.icon-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  cursor: pointer;
  outline: none;
  transition: background var(--fast), color var(--fast), border-color var(--fast);
}
.icon-btn:hover {
  background: var(--inset-bg);
  color: var(--text-1);
  border-color: var(--border-strong);
}

.avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand) 0%, var(--amber) 100%);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--fast), transform var(--fast);
}
.avatar:hover {
  border-color: var(--brand);
  transform: scale(1.06);
}


/* ──────────────────────────────────────────────
   PAGE WRAPPER
   ────────────────────────────────────────────── */
.page-wrap {
  position: relative;
  z-index: 1;
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 40px 24px 90px;
}


/* ──────────────────────────────────────────────
   PAGE HEADER
   ────────────────────────────────────────────── */
.page-header {
  margin-bottom: 32px;
}

.page-header-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand);
}

.eyebrow-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand);
  animation: pulse 2.2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.8); }
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.02em;
  color: var(--text-1);
  line-height: 1.15;
  transition: color var(--slow);
}

.page-header p {
  font-size: 13px;
  color: var(--text-3);
  max-width: 460px;
  line-height: 1.65;
  transition: color var(--slow);
}


/* ──────────────────────────────────────────────
   STEP INDICATOR
   ────────────────────────────────────────────── */
.steps {
  display: flex;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 0 22px;
  height: 52px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
  transition: background var(--slow), border-color var(--slow);
}

.step {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.step:last-child { flex: 0; }

.step-bubble {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
  background: var(--inset-bg);
  border: 1.5px solid var(--border);
  color: var(--text-4);
  transition: background var(--normal), border-color var(--normal),
              color var(--normal), box-shadow var(--normal);
}

.step.active .step-bubble {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  box-shadow: 0 0 0 4px var(--brand-faint);
}

.step.done .step-bubble {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.step-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-4);
  white-space: nowrap;
  transition: color var(--normal);
}
.step.active .step-label { color: var(--brand); }
.step.done   .step-label { color: var(--green); }

.step-line {
  flex: 1;
  height: 1px;
  background: var(--border);
  margin: 0 10px;
  transition: background var(--slow);
}


/* ──────────────────────────────────────────────
   CARDS
   ────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow var(--normal), border-color var(--normal), background var(--slow);

  opacity: 0;
  transform: translateY(8px);
  animation: fadeUp 0.4s ease forwards;
}
.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.12s; }
.card:nth-child(3) { animation-delay: 0.19s; }

.card:hover {
  box-shadow: var(--shadow-raised);
  border-color: var(--border-strong);
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* Card header */
.card-head {
  height: 54px;
  padding: 0 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: border-color var(--slow);
}

.card-head-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  border: 1px solid transparent;
  transition: background var(--slow), border-color var(--slow);
}

.icon-indigo {
  background: var(--brand-faint);
  color: var(--brand);
  border-color: var(--brand-border);
}

.icon-amber {
  background: var(--amber-bg);
  color: var(--amber);
  border-color: var(--amber-border);
}

.icon-green {
  background: var(--green-bg);
  color: var(--green);
  border-color: var(--green-border);
}

.card-title {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.3;
  letter-spacing: -0.01em;
  transition: color var(--slow);
}

.card-subtitle {
  display: block;
  font-size: 11px;
  color: var(--text-3);
  margin-top: 1px;
  transition: color var(--slow);
}

.card-step-pill {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-4);
  background: var(--inset-bg);
  border: 1px solid var(--border);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  flex-shrink: 0;
  transition: background var(--slow), border-color var(--slow), color var(--slow);
}

.card-body {
  padding: 22px;
}


/* ──────────────────────────────────────────────
   FORM ELEMENTS
   ────────────────────────────────────────────── */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 5px;
  text-transform: uppercase;
  transition: color var(--slow);
}
.field-label i { font-size: 10px; color: var(--text-4); }

.input {
  width: 100%;
  height: 40px;
  padding: 0 13px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-1);
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  appearance: none;
  transition: border-color var(--fast), box-shadow var(--fast),
              background var(--slow), color var(--slow);
}
.input::placeholder { color: var(--text-4); }
.input:hover:not(:focus) { border-color: var(--border-strong); }
.input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3.5px var(--brand-faint);
}

select.input {
  cursor: pointer;
  padding-right: 34px;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23756E65' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
[data-theme="dark"] select.input {
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238A8070' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
select.input option {
  background: var(--card-bg);
  color: var(--text-1);
}

.input-sm {
  width: 62px;
  text-align: center;
  padding: 0 8px;
  font-size: 16px;
  font-weight: 700;
  -moz-appearance: textfield;
  /* Override base .input — high contrast standalone box */
  background: var(--inset-bg);
  border: 1.5px solid var(--border-strong);
  color: var(--text-1);
}
.input-sm::-webkit-outer-spin-button,
.input-sm::-webkit-inner-spin-button { -webkit-appearance: none; }

/* Dark mode — make number boxes clearly visible */
[data-theme="dark"] .input-sm {
  background: #1E1E1E;
  border-color: #3A3A3A;
  color: #FFFFFF;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.4);
}
[data-theme="dark"] .input-sm:focus {
  background: #252525;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(139,127,255,0.18);
}

/* Part box — higher contrast background in dark mode */
[data-theme="dark"] .part-box {
  background: #111111;
  border-color: #2A2A2A;
}

[data-theme="dark"] .part-box-label {
  color: #AAAAAA;
}

[data-theme="dark"] .part-field-label {
  color: #888888;
}

[data-theme="dark"] .part-field-hint {
  color: #666666;
}

[data-theme="dark"] .part-divider {
  color: #444444;
}


/* ──────────────────────────────────────────────
   EXAM MODE TOGGLE
   ────────────────────────────────────────────── */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 40px;
  padding: 0 13px;
  background: var(--inset-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  user-select: none;
  transition: border-color var(--fast), background var(--fast);
}
.toggle-row:hover { border-color: var(--border-strong); }
.toggle-row.is-on {
  background: var(--brand-faint);
  border-color: var(--brand-border);
}

.toggle-name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: -0.01em;
  transition: color var(--slow);
}
.toggle-hint {
  display: block;
  font-size: 10px;
  color: var(--text-3);
  transition: color var(--slow);
}

.sw {
  position: relative;
  width: 38px;
  height: 21px;
  flex-shrink: 0;
}
.sw input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.sw-pill {
  position: absolute;
  inset: 0;
  background: var(--border-strong);
  border-radius: var(--radius-pill);
  transition: background var(--fast);
}
.sw-pill::after {
  content: '';
  position: absolute;
  width: 15px;
  height: 15px;
  top: 3px;
  left: 3px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.sw input:checked ~ .sw-pill { background: var(--brand); }
.sw input:checked ~ .sw-pill::after { transform: translateX(17px); }


/* ──────────────────────────────────────────────
   PAPER STRUCTURE
   ────────────────────────────────────────────── */
.paper-structure {
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--inset-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: background var(--slow), border-color var(--slow);
}

/* Dark mode — make the whole structure panel clearly readable */
[data-theme="dark"] .paper-structure {
  background: #0A0A0A;
  border-color: #2A2A2A;
}

[data-theme="dark"] .structure-label {
  color: #555555;
}
[data-theme="dark"] .structure-label::after {
  background: #2A2A2A;
}

.structure-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-4);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.structure-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  transition: background var(--slow);
}

.parts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.part-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 15px;
  transition: background var(--slow), border-color var(--slow);
}

.part-box-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 11px;
}

.part-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.part-inputs {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}

/* New clearer layout */
.part-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.part-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}

.part-field-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  white-space: nowrap;
  transition: color var(--slow);
}

.part-field-hint {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-4);
  text-align: center;
  transition: color var(--slow);
}

.part-divider {
  font-size: 20px;
  color: var(--border-strong);
  line-height: 1;
  padding-bottom: 18px;
  user-select: none;
}

.micro-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-4);
  background: var(--inset-bg);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 4px;
  white-space: nowrap;
}

.mid-dot {
  color: var(--border-strong);
  font-size: 16px;
  line-height: 1;
}


/* ──────────────────────────────────────────────
   UPLOAD ZONE
   ────────────────────────────────────────────── */
.upload-zone {
  display: block;
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 28px;
  text-align: center;
  cursor: pointer;
  background: var(--inset-bg);
  transition: border-color var(--fast), background var(--fast);
  position: relative;
  overflow: hidden;
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--brand);
  background: var(--brand-faint);
}

/* Icon with animated ring */
.upload-icon-wrap {
  position: relative;
  width: 60px;
  height: 60px;
  margin: 0 auto 18px;
}

.upload-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--text-4);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-card);
  transition: border-color var(--fast), color var(--fast), background var(--slow);
}
.upload-zone:hover .upload-icon {
  border-color: var(--brand-border);
  color: var(--brand);
}

.upload-icon-ring {
  position: absolute;
  inset: -8px;
  border-radius: 22px;
  border: 1.5px dashed var(--brand-border);
  opacity: 0;
  transition: opacity var(--fast);
  animation: spinSlow 8s linear infinite;
}
.upload-zone:hover .upload-icon-ring { opacity: 0.7; }

@keyframes spinSlow {
  to { transform: rotate(360deg); }
}

.upload-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 5px;
  letter-spacing: -0.01em;
  transition: color var(--slow);
}

.upload-desc {
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.65;
  max-width: 340px;
  margin: 0 auto 16px;
}

.format-chips {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.fmt-chip {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-3);
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 5px;
  transition: background var(--slow), border-color var(--slow);
}

.upload-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}


/* Gallery sits in a fixed-size grid so "Add more" matches thumbnail size */
.gallery-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 12px;
  align-items: flex-start;
}

.gal-thumb {
  width: 100px;
  height: 100px;
  flex-shrink: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--inset-bg);
  position: relative;
  cursor: pointer;
  transition: border-color var(--fast), transform var(--fast);
}
.gal-thumb:hover {
  border-color: var(--brand);
  transform: scale(1.02);
}
.gal-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

.gal-thumb-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.52);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  opacity: 0;
  transition: opacity var(--fast);
}
.gal-thumb:hover .gal-thumb-overlay { opacity: 1; }

/* "Add more" tile — same size as thumbnail */
#add-more-container {
  display: inline-flex;
}

.gal-add {
  width: 100px;
  height: 100px;
  flex-shrink: 0;
  border-radius: var(--radius);
  border: 2px dashed var(--border);
  background: var(--inset-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-4);
  cursor: pointer;
  transition: border-color var(--fast), color var(--fast), background var(--fast);
}
.gal-add:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: var(--brand-faint);
}
.gal-add i { font-size: 16px; }

.gallery-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 11px;
  border-top: 1px solid var(--border);
  transition: border-color var(--slow);
}

.gallery-count {
  font-size: 12px;
  color: var(--text-3);
}
.gallery-count strong {
  color: var(--text-1);
  font-weight: 700;
}

.link-danger {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-4);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--fast);
}
.link-danger:hover { color: var(--red); }


/* ──────────────────────────────────────────────
   BUTTONS
   ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 38px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  outline: none;
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  transition: background var(--fast), border-color var(--fast),
              color var(--fast), box-shadow var(--fast), transform 80ms ease;
}
.btn:active:not(:disabled) { transform: scale(0.974); }
.btn:focus-visible {
  box-shadow: 0 0 0 2px var(--card-bg), 0 0 0 4px var(--brand);
}

/* Primary */
.btn-primary {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover:not(:disabled) {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  box-shadow: 0 4px 14px rgba(91,106,240,0.36);
}
.btn-primary:disabled {
  background: var(--inset-bg);
  border-color: var(--border);
  color: var(--text-4);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

/* Secondary */
.btn-secondary {
  background: var(--card-bg);
  color: var(--text-2);
  border-color: var(--border);
  box-shadow: var(--shadow-card);
}
.btn-secondary:hover {
  background: var(--inset-bg);
  border-color: var(--border-strong);
  color: var(--text-1);
}

/* PDF export */
.btn-pdf {
  background: var(--red-bg);
  color: var(--red);
  border-color: var(--red-border);
}
.btn-pdf:hover {
  background: #ffe8ea;
  border-color: #f5a0a7;
}

/* Full-width block */
.btn-block {
  width: 100%;
  height: 44px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
}


/* ──────────────────────────────────────────────
   CTA SECTION
   ────────────────────────────────────────────── */
.cta-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
  opacity: 0;
  animation: fadeUp 0.4s 0.26s ease forwards;
}


/* ──────────────────────────────────────────────
   LOADER
   ────────────────────────────────────────────── */
.loader-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 52px 32px;
  text-align: center;
  box-shadow: var(--shadow-card);
  margin-top: 16px;
  transition: background var(--slow), border-color var(--slow);
}

.loader-visual {
  position: relative;
  width: 56px;
  height: 56px;
  margin: 0 auto 22px;
}

.loader-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2.5px solid transparent;
  border-top-color: var(--brand);
  animation: spin 1.1s linear infinite;
}
.loader-ring-2 {
  inset: 8px;
  border-top-color: var(--amber);
  animation-duration: 0.8s;
  animation-direction: reverse;
}

.loader-dot-center {
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  background: var(--brand);
  opacity: 0.7;
  animation: dotPulse 1.1s ease-in-out infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes dotPulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50%       { transform: scale(1.3); opacity: 0.3; }
}

.loader-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 5px;
  letter-spacing: -0.01em;
  transition: color var(--slow);
}

.loader-status {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 24px;
  transition: color var(--slow);
}

.loader-bar {
  width: 220px;
  height: 3px;
  background: var(--inset-bg);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin: 0 auto;
}
.loader-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--brand), var(--amber));
  border-radius: var(--radius-pill);
  animation: barSweep 2s ease-in-out infinite;
}
@keyframes barSweep {
  0%   { width: 0%;   margin-left: 0%;   }
  55%  { width: 72%;  margin-left: 0%;   }
  100% { width: 0%;   margin-left: 100%; }
}


/* ──────────────────────────────────────────────
   RESULTS SECTION
   ────────────────────────────────────────────── */
.results-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  margin-top: 32px;
}

.results-heading {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 400;
  font-style: italic;
  color: var(--text-1);
  letter-spacing: -0.02em;
  transition: color var(--slow);
}

.results-sub {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 3px;
  transition: color var(--slow);
}


/* ──────────────────────────────────────────────
   QUESTION CARDS
   ────────────────────────────────────────────── */
.q-group { margin-bottom: 30px; }

.q-group-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text-4);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  transition: color var(--slow);
}
.q-group-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  transition: background var(--slow);
}

.question-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--normal), border-color var(--normal), background var(--slow);
}
.question-card:hover {
  box-shadow: var(--shadow-raised);
  border-color: var(--border-strong);
}

/* Difficulty accent on left border */
.question-card.diff-easy   { border-left-color: var(--yellow); }
.question-card.diff-medium { border-left-color: var(--green); }
.question-card.diff-hard   { border-left-color: var(--red); }
.question-card.diff-part-a { border-left-color: var(--brand); }
.question-card.diff-part-b { border-left-color: var(--amber); }

.q-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 11px;
}

/* Difficulty badge */
.diff-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
}
.diff-badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.diff-badge.easy   { color: var(--yellow); background: var(--yellow-bg); border-color: var(--yellow-border); }
.diff-badge.medium { color: var(--green);  background: var(--green-bg);  border-color: var(--green-border);  }
.diff-badge.hard   { color: var(--red);    background: var(--red-bg);    border-color: var(--red-border);    }
.diff-badge.part-a { color: var(--brand);  background: var(--brand-faint); border-color: var(--brand-border); }
.diff-badge.part-b { color: var(--amber);  background: var(--amber-bg);  border-color: var(--amber-border);  }

/* Audio button */
.btn-audio {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--inset-bg);
  color: var(--text-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  cursor: pointer;
  outline: none;
  flex-shrink: 0;
  transition: background var(--fast), color var(--fast), border-color var(--fast);
}
.btn-audio:hover {
  background: var(--brand-faint);
  color: var(--brand);
  border-color: var(--brand-border);
}
.btn-audio.is-playing {
  background: var(--brand-faint);
  color: var(--brand);
  border-color: var(--brand-border);
}

/* Question text */
.q-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-1);
  line-height: 1.7;
  margin-bottom: 14px;
  transition: color var(--slow);
}

/* Reveal button */
.btn-reveal {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 28px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--inset-bg);
  color: var(--text-3);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  outline: none;
  margin-bottom: 10px;
  transition: background var(--fast), border-color var(--fast), color var(--fast);
}
.btn-reveal:hover,
.btn-reveal.is-open {
  background: var(--brand-faint);
  border-color: var(--brand-border);
  color: var(--brand);
}

/* Answer box */
.answer-box {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.7;
  padding: 14px 15px;
  background: var(--inset-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: background var(--slow), border-color var(--slow), color var(--slow);
}


/* ──────────────────────────────────────────────
   FOOTER
   ────────────────────────────────────────────── */
.site-footer {
  position: relative;
  z-index: 1;
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  padding: 0 28px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  transition: background var(--slow), border-color var(--slow);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-3);
  text-decoration: none;
  transition: color var(--slow);
}
.footer-brand svg { color: var(--brand); }

.footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
}
.footer-link {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-4);
  text-decoration: none;
  transition: color var(--fast);
}
.footer-link:hover { color: var(--text-1); }

.footer-note {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  color: var(--text-4);
}
.footer-note i { color: var(--amber); font-size: 10px; }


/* ──────────────────────────────────────────────
   CROP MODAL
   ────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(10,8,6,0.64);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 26px;
  max-width: 560px;
  width: 100%;
  box-shadow: var(--shadow-modal);
  transition: background var(--slow), border-color var(--slow);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.01em;
}

.modal-close {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-3);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  outline: none;
  transition: background var(--fast), color var(--fast);
}
.modal-close:hover {
  background: var(--inset-bg);
  color: var(--text-1);
}

.crop-area {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
  background: var(--inset-bg);
}

.modal-footer {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}


/* ──────────────────────────────────────────────
   UTILITIES
   ────────────────────────────────────────────── */
.hidden { display: none !important; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}


/* ──────────────────────────────────────────────
   RESPONSIVE — MOBILE
   ────────────────────────────────────────────── */
@media (max-width: 640px) {

  body { font-size: 15px; }

  .topbar     { padding: 0 18px; }
  .logo-name  { font-size: 17px; }
  .logo-brain { font-size: 22px; }

  .page-wrap    { padding: 28px 18px 90px; }
  .page-eyebrow { font-size: 11px; }

  .page-header h1 { font-size: 34px; line-height: 1.15; }
  .page-header p  { font-size: 15px; line-height: 1.75; color: var(--text-2); }

  .steps       { padding: 0 16px; height: 54px; }
  .step-label  { display: none; }
  .step-bubble { width: 32px; height: 32px; font-size: 14px; }

  .card-head     { height: 62px; padding: 0 18px; }
  .card-icon     { width: 38px; height: 38px; font-size: 15px; }
  .card-title    { font-size: 16px; }
  .card-subtitle { font-size: 13px; }
  .card-step-pill { font-size: 11px; }
  .card-body     { padding: 18px; }

  .form-row    { grid-template-columns: 1fr; gap: 16px; }
  .parts-grid  { grid-template-columns: 1fr; }
  .field-label { font-size: 12px; }

  .input    { height: 50px; font-size: 16px; padding: 0 14px; }
  .input-sm { height: 44px; width: 64px; font-size: 16px; font-weight: 700; }

  .toggle-row  { height: 52px; padding: 0 16px; }
  .toggle-name { font-size: 15px; }
  .toggle-hint { font-size: 12px; }

  .part-box         { padding: 16px; }
  .part-box-label   { font-size: 13px; margin-bottom: 14px; }
  .part-field-label { font-size: 11px; }
  .part-field-hint  { font-size: 11px; }

  .upload-zone  { padding: 38px 20px; }
  .upload-title { font-size: 17px; }
  .upload-desc  { font-size: 14px; line-height: 1.7; }
  .upload-icon  { width: 68px; height: 68px; font-size: 26px; }
  .fmt-chip     { font-size: 11px; padding: 4px 10px; }

  .gal-thumb, .gal-add { width: 110px; height: 110px; }
  .gallery-count        { font-size: 14px; }
  .link-danger          { font-size: 13px; }

  .btn        { height: 48px; font-size: 15px; padding: 0 20px; }
  .btn-block  { height: 54px; font-size: 16px; font-weight: 700; }
  .btn-reveal { height: 34px; font-size: 13px; padding: 0 14px; }
  .btn-audio  { width: 36px; height: 36px; font-size: 13px; }

  .question-card { padding: 20px 18px; }
  .q-text        { font-size: 16px; line-height: 1.8; margin-bottom: 16px; }
  .answer-box    { font-size: 15px; line-height: 1.8; padding: 16px; }
  .diff-badge    { font-size: 12px; padding: 5px 12px; }
  .q-group-title { font-size: 12px; }

  .results-heading { font-size: 28px; }
  .results-sub     { font-size: 14px; }
  .results-top     { margin-top: 28px; }

  .loader-title  { font-size: 18px; }
  .loader-status { font-size: 14px; }
  .loader-card   { padding: 52px 24px; }

  .site-footer {
    height: auto;
    padding: 18px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .footer-links { gap: 18px; }
  .footer-link  { font-size: 14px; }
  .footer-note  { display: none; }
}

@media (max-width: 380px) {
  body            { font-size: 14px; }
  .page-header h1 { font-size: 28px; }
  .page-wrap      { padding: 22px 14px 90px; }
  .card-body      { padding: 14px; }
  .q-text         { font-size: 15px; }
  .answer-box     { font-size: 14px; }
  .btn-block      { height: 50px; font-size: 15px; }
}


/* ──────────────────────────────────────────────
   MOBILE THEME — light mode on phones by default
   On mobile where user hasn't manually set a
   preference, use light mode (easier to read
   in most real-world mobile conditions).
   ────────────────────────────────────────────── */
@media (max-width: 640px) and (prefers-color-scheme: dark) {
  /* If user's phone is explicitly set to dark → respect it */
}

/* Override: if JS hasn't set a theme yet on mobile,
   default HTML element starts as "dark" from our JS,
   but we override back to light visuals on small screens
   UNLESS the user has explicitly chosen dark */
@media (max-width: 640px) {
  html:not([data-user-theme]) {
    /* Light mode values applied on mobile by default */
    --brand:         #5B6AF0;
    --brand-dark:    #4A58D8;
    --brand-faint:   #EDEFFE;
    --brand-border:  #C7CCF7;
    --amber:         #E8845A;
    --amber-bg:      #FEF4EF;
    --amber-border:  #F8C9B1;
    --yellow:        #D4A017;
    --yellow-bg:     #FFFBEB;
    --yellow-border: #FDE68A;
    --green:         #2A9D5C;
    --green-bg:      #F0FBF4;
    --green-border:  #A8E6C1;
    --red:           #DC3545;
    --red-bg:        #FFF0F1;
    --red-border:    #FFBCC0;
    --page-bg:       #F7F5F0;
    --card-bg:       #FFFFFF;
    --inset-bg:      #F2F0EB;
    --border:        #E4E0D8;
    --border-strong: #CEC9BF;
    --border-focus:  #5B6AF0;
    --text-1:        #1A1714;
    --text-2:        #3A3530;
    --text-3:        #756E65;
    --text-4:        #A89E92;
    --shadow-card:   0 1px 4px rgba(26,23,20,0.06), 0 1px 2px rgba(26,23,20,0.04);
    --shadow-raised: 0 6px 20px rgba(26,23,20,0.09), 0 2px 6px rgba(26,23,20,0.05);
    --shadow-btn:    0 2px 6px rgba(91,106,240,0.28);
  }

  html:not([data-user-theme]) .topbar {
    background: rgba(247,245,240,0.92);
    border-bottom-color: #E4E0D8;
  }

  html:not([data-user-theme]) .bg-grid {
    background-image: radial-gradient(circle, rgba(0,0,0,0.07) 1px, transparent 1px);
  }
}


/* ──────────────────────────────────────────────
   TOAST NOTIFICATIONS
   ────────────────────────────────────────────── */
.qe-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  opacity: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.qe-toast-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.qe-toast-error {
  background: #1a0a0a;
  color: #FF6B6B;
  border: 1px solid rgba(255,107,107,0.3);
}
.qe-toast-success {
  background: #0a1a10;
  color: #4ADE80;
  border: 1px solid rgba(74,222,128,0.3);
}
.qe-toast-info {
  background: #0a0d1a;
  color: #8B7FFF;
  border: 1px solid rgba(139,127,255,0.3);
}
[data-theme="light"] .qe-toast-error   { background: #fff0f0; color: #DC3545; border-color: rgba(220,53,69,0.25); }
[data-theme="light"] .qe-toast-success { background: #f0faf4; color: #2A9D5C; border-color: rgba(42,157,92,0.25); }
[data-theme="light"] .qe-toast-info    { background: #f0f0ff; color: #5B6AF0; border-color: rgba(91,106,240,0.25); }