/* ── THEME TOKENS ── */
[data-theme="light"] {
  --bg:        #FFF8E7;
  --bg2:       #FFF1CC;
  --surface:   #FFFFFF;
  --surface2:  #FFF4D6;
  --border:    #FFE0A0;
  --border2:   #FFD57A;
  --primary:   #FF6B6B;
  --primary-d: #E85555;
  --accent:    #FFD93D;
  --accent2:   #FF9F1C;
  --mint:      #6BCB77;
  --sky:       #2EC4B6;
  --pink:      #FF4D8D;
  --text:      #1E2A38;
  --text2:     #3D4F63;
  --muted:     #7A8FA6;
  --dim:       #B0C0D0;
  --success:   #6BCB77;
  --warning:   #FF9F1C;
  --danger:    #FF4D8D;
  --card-shadow: 0 2px 12px rgba(30,42,56,0.08);
  --card-shadow-h: 0 6px 24px rgba(30,42,56,0.13);
}
[data-theme="dark"] {
  --bg:        #0F1420;
  --bg2:       #141926;
  --surface:   #1A2035;
  --surface2:  #1F2840;
  --border:    #2A3550;
  --border2:   #354466;
  --primary:   #FF6B6B;
  --primary-d: #FF5252;
  --accent:    #FFD93D;
  --accent2:   #FF9F1C;
  --mint:      #6BCB77;
  --sky:       #2EC4B6;
  --pink:      #FF4D8D;
  --text:      #F0F4F8;
  --text2:     #C8D6E5;
  --muted:     #7A8FA6;
  --dim:       #3D4F63;
  --success:   #6BCB77;
  --warning:   #FF9F1C;
  --danger:    #FF6B6B;
  --card-shadow: 0 2px 12px rgba(0,0,0,0.3);
  --card-shadow-h: 0 6px 24px rgba(0,0,0,0.45);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Nunito', sans-serif;
  min-height: 100vh;
  transition: background 0.45s ease, color 0.45s ease;
  font-size: 15px;
}

/* ── THEME TOGGLE ── */
.theme-toggle {
  position: fixed; top: 16px; right: 16px; z-index: 999;
  width: 52px; height: 28px; border-radius: 14px;
  background: var(--surface); border: 2px solid var(--border);
  cursor: pointer; transition: all 0.4s ease;
  display: flex; align-items: center; padding: 2px;
  box-shadow: var(--card-shadow);
}
.toggle-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--primary);
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
}
[data-theme="dark"] .toggle-thumb { transform: translateX(24px); }

/* ── WIZARD ── */
#wizard { max-width: 500px; margin: 0 auto; padding: 52px 20px 80px; }

.wizard-header { text-align: center; margin-bottom: 40px; }
.wizard-header .logo-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary); color: #fff;
  font-size: 0.75rem; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 5px 14px; border-radius: 20px; margin-bottom: 14px;
}
.wizard-header h1 {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.7rem, 5vw, 2.3rem); font-weight: 800;
  color: var(--text); letter-spacing: -0.5px; line-height: 1.1;
}
.wizard-header h1 span { color: var(--primary); }
.wizard-header p { font-size: 0.875rem; color: var(--muted); margin-top: 8px; font-weight: 500; }

.step-indicator { display: flex; gap: 6px; justify-content: center; margin-bottom: 36px; }
.step-dot { width: 32px; height: 4px; border-radius: 2px; background: var(--border); transition: all 0.35s ease; }
.step-dot.active { background: var(--primary); width: 48px; }
.step-dot.done   { background: var(--mint); }

.step { display: none; animation: fadeUp 0.3s ease; }
.step.active { display: block; }
@keyframes fadeUp { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }

.step-label {
  display: inline-block; font-size: 0.68rem; font-weight: 800;
  color: var(--primary); letter-spacing: 2px; text-transform: uppercase;
  background: rgba(255,107,107,0.1); padding: 3px 10px; border-radius: 20px; margin-bottom: 8px;
}
.step-question { font-family: 'Sora', sans-serif; font-size: 1.15rem; font-weight: 800; color: var(--text); margin-bottom: 24px; line-height: 1.3; }

/* Inputs */
.input-field {
  width: 100%; background: var(--surface);
  border: 2px solid var(--border); border-radius: 12px;
  padding: 12px 16px; color: var(--text);
  font-family: 'Nunito', sans-serif; font-size: 0.9rem; font-weight: 600;
  outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}
.input-field:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(255,107,107,0.12); }
.input-hint { font-size: 0.73rem; color: var(--muted); margin-top: 7px; font-weight: 500; }
.error-msg  { font-size: 0.73rem; color: var(--danger); margin-top: 7px; display: none; font-weight: 600; }

/* Options */
.option-grid { display: flex; flex-wrap: wrap; gap: 9px; }
.option-btn {
  background: var(--surface); border: 2px solid var(--border);
  border-radius: 12px; padding: 10px 18px;
  color: var(--muted); font-family: 'Nunito', sans-serif;
  font-size: 0.85rem; font-weight: 700; cursor: pointer; transition: all 0.18s;
}
.option-btn:hover { border-color: var(--primary); color: var(--primary); background: rgba(255,107,107,0.05); }
.option-btn.selected { background: var(--primary); border-color: var(--primary); color: #fff; }

/* Subject rows */
.subject-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.subject-row {
  display: flex; gap: 8px; align-items: center;
  background: var(--surface); border: 2px solid var(--border);
  border-radius: 12px; padding: 10px 13px;
  box-shadow: var(--card-shadow);
}
.subject-row .sub-name { flex:1; font-size: 0.875rem; font-weight: 700; color: var(--text); }
.subject-row .sub-level {
  font-size: 0.65rem; font-weight: 800; padding: 3px 10px; border-radius: 8px;
  cursor: pointer; border: 2px solid var(--border); background: transparent;
  color: var(--muted); font-family: 'Nunito', sans-serif; transition: all 0.15s;
}
.subject-row .sub-level.weak   { background: rgba(255,77,141,0.1);  border-color: var(--pink);    color: var(--pink); }
.subject-row .sub-level.mid    { background: rgba(255,159,28,0.1);  border-color: var(--warning); color: var(--warning); }
.subject-row .sub-level.strong { background: rgba(107,203,119,0.1); border-color: var(--mint);    color: var(--mint); }
.subject-row .del-btn { background: none; border: none; color: var(--dim); cursor: pointer; font-size: 1.1rem; transition: color 0.15s; }
.subject-row .del-btn:hover { color: var(--danger); }

.add-subject-row { display: flex; gap: 8px; }
.add-subject-row input { flex: 1; }

/* Topics builder */
.topics-builder { display: flex; flex-direction: column; gap: 12px; }
.subject-topics-block {
  background: var(--surface); border: 2px solid var(--border);
  border-radius: 14px; padding: 14px 16px;
  box-shadow: var(--card-shadow);
}
.stb-header { font-size: 0.85rem; font-weight: 800; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.stb-topics { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.existing-topic {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 600; color: var(--text2); padding: 6px 10px;
  background: var(--bg2); border-radius: 8px; border: 1.5px solid var(--border);
}
.existing-topic button { background: none; border: none; color: var(--dim); cursor: pointer; font-size: 0.9rem; margin-left: auto; transition: color 0.15s; }
.existing-topic button:hover { color: var(--danger); }
.add-topic-row { display: flex; gap: 8px; }
.add-topic-row input { flex:1; font-size: 0.82rem; padding: 9px 12px; border-radius: 10px; }
.add-topic-row button {
  background: var(--accent); border: none;
  border-radius: 10px; color: var(--text); cursor: pointer;
  padding: 0 16px; font-size: 0.82rem; font-family: 'Nunito', sans-serif; font-weight: 800;
  transition: opacity 0.15s; white-space: nowrap;
}
.add-topic-row button:hover { opacity: 0.85; }

/* AI SCAN */
.scan-section { margin-bottom: 18px; }
.scan-section-label {
  font-size: 0.72rem; font-weight: 800; color: var(--text2);
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 8px;
}
.scan-upload-area {
  border: 2.5px dashed var(--border2); border-radius: 16px; padding: 24px 18px;
  text-align: center; cursor: pointer;
  transition: all 0.2s; background: var(--surface2);
}
.scan-upload-area:hover { border-color: var(--primary); background: rgba(255,107,107,0.04); transform: translateY(-1px); }
.scan-upload-area input[type=file] { display: none; }
.scan-icon  { font-size: 2rem; margin-bottom: 8px; }
.scan-title { font-size: 0.9rem; font-weight: 800; color: var(--text); }
.scan-desc  { font-size: 0.73rem; color: var(--muted); margin-top: 4px; font-weight: 500; }
.scan-preview { display: none; flex-wrap: wrap; gap: 6px; margin-top: 10px; justify-content: center; }
.scan-preview img { height: 58px; border-radius: 8px; border: 2px solid var(--border); object-fit: cover; }
.btn-scan {
  width: 100%; padding: 11px; margin-top: 10px;
  background: var(--sky); border: none; border-radius: 12px; color: #fff;
  font-family: 'Nunito', sans-serif; font-size: 0.85rem; font-weight: 800;
  cursor: pointer; transition: opacity 0.15s; display: none; letter-spacing: 0.3px;
}
.btn-scan:hover { opacity: 0.88; }
.btn-scan:disabled { opacity: 0.45; cursor: not-allowed; }
.scan-status {
  font-size: 0.78rem; padding: 10px 14px; border-radius: 10px;
  margin-top: 8px; display: none; line-height: 1.5; font-weight: 600;
}
.scan-status.loading { background: rgba(46,196,182,0.1);  color: var(--sky);     border: 2px solid rgba(46,196,182,0.25); }
.scan-status.success { background: rgba(107,203,119,0.1); color: var(--mint);    border: 2px solid rgba(107,203,119,0.25); }
.scan-status.error   { background: rgba(255,77,141,0.1);  color: var(--danger);  border: 2px solid rgba(255,77,141,0.25); }
.spin { display: inline-block; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.divider {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.68rem; font-weight: 700; color: var(--dim); margin: 18px 0;
  text-transform: uppercase; letter-spacing: 1.5px;
}
.divider::before, .divider::after { content:''; flex:1; height:1.5px; background: var(--border); }

/* Buttons */
.btn-primary {
  width: 100%; padding: 13px; background: var(--primary); border: none; border-radius: 12px;
  color: #fff; font-family: 'Nunito', sans-serif; font-size: 0.9rem; font-weight: 800;
  cursor: pointer; margin-top: 20px; transition: all 0.18s; letter-spacing: 0.3px;
}
.btn-primary:hover { background: var(--primary-d); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(255,107,107,0.35); }
.btn-secondary {
  width: 100%; padding: 11px; background: transparent; border: 2px solid var(--border);
  border-radius: 12px; color: var(--muted); font-family: 'Nunito', sans-serif;
  font-size: 0.85rem; font-weight: 700; cursor: pointer; margin-top: 10px; transition: all 0.18s;
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

/* ── TRACKER ── */
#tracker { display: none; max-width: 660px; margin: 0 auto; padding: 52px 16px 80px; }

.tracker-header { text-align: center; margin-bottom: 28px; }
.tracker-header h1 {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.2rem, 4vw, 1.7rem); font-weight: 800; color: var(--text); letter-spacing: -0.3px;
}
.tracker-header p { font-size: 0.78rem; color: var(--muted); margin-top: 5px; font-weight: 500; }

.reset-btn {
  display: block; margin: 0 auto 20px; background: none; border: 2px solid var(--border);
  border-radius: 8px; color: var(--muted); font-family: 'Nunito', sans-serif;
  font-size: 0.72rem; font-weight: 700; padding: 6px 14px; cursor: pointer; transition: all 0.15s;
}
.reset-btn:hover { border-color: var(--danger); color: var(--danger); }

.today-banner {
  background: var(--surface); border: 2px solid var(--border);
  border-left: 4px solid var(--mint);
  border-radius: 14px; padding: 14px 18px;
  display: flex; align-items: center; gap: 14px; margin-bottom: 16px;
  box-shadow: var(--card-shadow);
}
.pulse { width: 10px; height: 10px; background: var(--mint); border-radius: 50%; flex-shrink: 0; animation: pulseAnim 2s infinite; }
@keyframes pulseAnim {
  0%,100% { box-shadow: 0 0 0 0 rgba(107,203,119,0.5); }
  50%      { box-shadow: 0 0 0 6px rgba(107,203,119,0); }
}
.banner-text { font-size: 0.82rem; line-height: 1.6; color: var(--muted); font-weight: 600; }
.banner-text strong { color: var(--text); font-weight: 800; }

.progress-wrap { margin-bottom: 24px; }
.progress-label { display: flex; justify-content: space-between; font-size: 0.72rem; font-weight: 700; color: var(--muted); margin-bottom: 7px; }
.progress-label span:last-child { color: var(--sky); }
.progress-bar { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--sky); transition: width 0.5s ease; border-radius: 3px; }

.days-list { display: flex; flex-direction: column; gap: 9px; }
.day-card {
  background: var(--surface); border: 2px solid var(--border);
  border-radius: 14px; overflow: hidden;
  transition: all 0.18s; box-shadow: var(--card-shadow);
}
.day-card:hover { box-shadow: var(--card-shadow-h); transform: translateY(-1px); }
.day-card.today-card { border-color: var(--mint); box-shadow: 0 0 0 3px rgba(107,203,119,0.12), var(--card-shadow); }
.day-card.done-card  { opacity: 0.5; }

.day-header { display: flex; align-items: center; gap: 11px; padding: 13px 15px; cursor: pointer; user-select: none; }
.subj-badge { font-size: 0.62rem; font-weight: 900; padding: 4px 9px; border-radius: 8px; flex-shrink: 0; font-family: 'Nunito', sans-serif; letter-spacing: 0.5px; }
.day-info { flex: 1; }
.day-title { font-size: 0.875rem; font-weight: 800; color: var(--text); }
.day-sub   { font-size: 0.7rem; color: var(--muted); margin-top: 1px; font-weight: 600; }
.today-tag { font-size: 0.62rem; background: var(--mint); color: #fff; padding: 3px 8px; border-radius: 6px; font-weight: 900; flex-shrink: 0; }
.day-count { font-size: 0.72rem; color: var(--muted); flex-shrink: 0; font-weight: 700; }
.day-count.all-done { color: var(--mint); }
.chevron { font-size: 0.75rem; color: var(--dim); transition: transform 0.22s; flex-shrink: 0; }
.day-card.open .chevron { transform: rotate(90deg); }

.topics-wrap { display: none; padding: 0 15px 13px; flex-direction: column; gap: 6px; }
.day-card.open .topics-wrap { display: flex; }
.topic-row {
  display: flex; align-items: flex-start; gap: 11px; padding: 9px 11px;
  border-radius: 10px; background: var(--bg2); border: 1.5px solid var(--border);
  cursor: pointer; transition: all 0.15s;
}
.topic-row:hover { border-color: var(--primary); background: rgba(255,107,107,0.04); }
.topic-row.checked { background: rgba(107,203,119,0.07); border-color: rgba(107,203,119,0.4); }
.chk {
  width: 17px; height: 17px; border: 2px solid var(--dim); border-radius: 5px;
  flex-shrink: 0; margin-top: 1px; display: flex; align-items: center; justify-content: center;
  font-size: 10px; transition: all 0.15px;
}
.topic-row.checked .chk { background: var(--mint); border-color: var(--mint); color: #fff; }
.topic-label { font-size: 0.8rem; color: var(--text2); line-height: 1.5; font-weight: 600; }
.topic-row.checked .topic-label { color: var(--muted); text-decoration: line-through; }
.hours-note { font-size: 0.7rem; color: var(--dim); padding: 8px 11px 0; border-top: 1.5px solid var(--border); margin-top: 4px; font-weight: 600; }

/* Badge colors */
.c0 { background: rgba(255,107,107,0.12); color: #FF6B6B; }
.c1 { background: rgba(255,217,61,0.18);  color: #C8960C; }
.c2 { background: rgba(46,196,182,0.12);  color: #2EC4B6; }
.c3 { background: rgba(107,203,119,0.14); color: #3EAA4D; }
.c4 { background: rgba(255,77,141,0.12);  color: #FF4D8D; }
.c5 { background: rgba(255,159,28,0.14);  color: #CC7800; }
.rev-color { background: rgba(107,203,119,0.14); color: #3EAA4D; }

/* Light mode badge text override */
[data-theme="light"] .c1 { color: #9A6E00; }
[data-theme="light"] .c5 { color: #9A5C00; }