/* ═══════════════════════════════════════════════════
   30 Kun — Professional Edition
   Dark + Gold / Light + Gold · Playfair Display + Inter
   ═══════════════════════════════════════════════════ */

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

:root {
  --bg:           #0a0a12;
  --bg-2:         #0e0e18;
  --card:         #15151f;
  --card-2:       #1c1c2a;
  --card-hover:   #222230;
  --input-bg:     #0c0c14;
  --text:         #e8e8f0;
  --text-muted:   #7c7c92;
  --text-faint:   #4a4a5e;
  --accent:       #c9a84c;
  --accent-2:     #d4b85e;
  --accent-soft:  rgba(201, 168, 76, .08);
  --accent-line:  rgba(201, 168, 76, .25);
  --border:       #25253a;
  --border-light: #1a1a28;
  --success:      #4ade80;
  --danger:       #e25555;
  --warning:      #e8b84c;
  --star-color:   #e8b020;
  --star-inactive: #3a3a4a;
  --locked:       #2a2a38;
  --radius:       14px;
  --radius-sm:    10px;
  --shadow:       0 4px 24px rgba(0,0,0,.25);
  --shadow-lg:   0 12px 48px rgba(0,0,0,.4);
  --t:            .25s ease;
  --font-head:    'Playfair Display', Georgia, serif;
  --font:         'Inter', system-ui, sans-serif;
}

/* ── Light theme ── */
body[data-theme="light"] {
  --bg:           #f4f4f8;
  --bg-2:         #ffffff;
  --card:         #ffffff;
  --card-2:       #f0f0f5;
  --card-hover:   #e8e8f0;
  --input-bg:     #f8f8fc;
  --text:         #1a1a2e;
  --text-muted:   #6b6b80;
  --text-faint:   #b0b0c0;
  --accent:       #b08820;
  --accent-2:     #c9a84c;
  --accent-soft:  rgba(176, 136, 32, .06);
  --accent-line:  rgba(176, 136, 32, .2);
  --border:       #e0e0e8;
  --border-light: #eeeef4;
  --shadow:       0 2px 12px rgba(0,0,0,.06);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.1);
  --star-color:   #e8a020;
  --star-inactive: #d0d0d8;
  --locked:       #e0e0e8;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background .3s ease, color .3s ease;
}

/* ── Screen system ── */
.screen { display: none; min-height: 100vh; }
.screen.active { display: flex; flex-direction: column; animation: fadeIn .4s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ── Buttons ── */
.btn-primary, .btn-secondary, .btn-danger, .btn-link, .btn-autofill {
  font-family: var(--font); font-weight: 500; border: none; cursor: pointer;
  border-radius: var(--radius-sm); transition: var(--t); font-size: .9rem; letter-spacing: .3px;
}
.btn-primary { background: var(--accent); color: #1a1a12; padding: 14px 28px; }
.btn-primary:hover { background: var(--accent-2); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(201,168,76,.2); }
.btn-primary:active { transform: translateY(0); }
.btn-full { width: 100%; }
.btn-secondary { background: var(--card-2); color: var(--text); padding: 12px 24px; border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--card-hover); border-color: var(--accent-line); }
.btn-danger { background: transparent; color: var(--danger); padding: 12px 24px; border: 1px solid rgba(226,85,85,.3); }
.btn-danger:hover { background: rgba(226,85,85,.1); }
.btn-link { background: none; color: var(--text-muted); padding: 8px; font-size: .82rem; text-decoration: underline; text-underline-offset: 3px; }
.btn-link:hover { color: var(--accent); }
.btn-back { background: none; border: none; cursor: pointer; font-family: var(--font); font-size: .88rem; color: var(--text-muted); padding: 6px 0; transition: var(--t); }
.btn-back:hover { color: var(--accent); }
.btn-icon-sm {
  width: 38px; height: 38px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--card); color: var(--text-muted); cursor: pointer; font-size: 1rem;
  display: inline-flex; align-items: center; justify-content: center; transition: var(--t);
}
.btn-icon-sm:hover { color: var(--accent); border-color: var(--accent-line); background: var(--card-2); }

/* ════ AUTH CENTERED LAYOUT ════ */
.auth-center {
  max-width: 440px;
  margin: 0 auto;
  padding: 60px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
}
.auth-center-narrow { max-width: 380px; }

.auth-logo {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}
.auth-title {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.auth-tagline { color: var(--text-muted); font-size: .9rem; margin-bottom: 20px; }
.auth-desc {
  color: var(--text-muted);
  font-size: .88rem;
  line-height: 1.7;
  max-width: 380px;
  margin-bottom: 28px;
}

/* Role toggle */
.role-toggle {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 28px;
}
.role-btn {
  flex: 1;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  background: none;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: .88rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--t);
}
.role-btn.active { background: var(--accent); color: #1a1a12; }
.role-btn:not(.active):hover { color: var(--text); }

/* Auth form */
.auth-form-centered {
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  text-align: left;
}
.auth-heading { font-family: var(--font-head); font-size: 1.6rem; font-weight: 600; margin-bottom: 6px; }
.auth-subheading { color: var(--text-muted); font-size: .88rem; margin-bottom: 24px; }
.auth-switch { margin-top: 24px; font-size: .85rem; color: var(--text-muted); }
.auth-switch a { color: var(--accent); cursor: pointer; text-decoration: none; font-weight: 500; }
.auth-switch a:hover { text-decoration: underline; }

/* Form fields */
.field-block { display: flex; flex-direction: column; gap: 7px; }
.field-block label { font-size: .78rem; font-weight: 500; color: var(--text-muted); letter-spacing: .3px; }
.field-block input, .field-block select, .field-block textarea {
  width: 100%; padding: 13px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--input-bg); color: var(--text); font-family: var(--font); font-size: .92rem;
  outline: none; transition: var(--t);
}
.field-block input:focus, .field-block select:focus { border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }
.field-block input::placeholder { color: var(--text-faint); }
.field-block select { cursor: pointer; appearance: none; -webkit-appearance: none; }
.grade-selectors { display: flex; gap: 10px; }
.grade-selectors select { flex: 1; }

/* Verify code */
.verify-icon { font-size: 2.5rem; margin-bottom: 20px; opacity: .7; }
.verify-email-label { font-size: .82rem; color: var(--text-muted); margin-bottom: 24px; }
.verify-email-label span { color: var(--accent); }
.code-inputs { display: flex; justify-content: center; gap: 10px; margin-bottom: 24px; }
.code-box {
  width: 48px; height: 56px; text-align: center; font-size: 1.4rem; font-weight: 600;
  font-family: var(--font); border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--input-bg); color: var(--text); outline: none; transition: var(--t);
}
.code-box:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.verify-hint { text-align: center; font-size: .8rem; color: var(--text-muted); margin: 16px 0 8px; min-height: 20px; }
.verify-hint.error { color: var(--danger); }

/* Demo code box */
.demo-code-box { margin: 20px 0 16px; padding: 18px; background: var(--accent-soft); border: 1px solid var(--accent-line); border-radius: var(--radius-sm); text-align: center; }
.demo-code-label { font-size: .72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.demo-code-value { font-family: var(--font-head); font-size: 1.8rem; font-weight: 700; color: var(--accent); letter-spacing: 6px; margin-bottom: 14px; }
.btn-autofill { font-family: var(--font); font-size: .82rem; font-weight: 500; border: 1px solid var(--accent-line); background: var(--card); color: var(--accent); padding: 8px 18px; border-radius: 8px; cursor: pointer; transition: var(--t); }
.btn-autofill:hover { background: var(--accent); color: #1a1a12; }

/* ════ TOP BAR ════ */
.top-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 40px; border-bottom: 1px solid var(--border);
  background: var(--bg-2); position: sticky; top: 0; z-index: 100;
}
.top-bar-left, .top-bar-right { display: flex; align-items: center; gap: 12px; }
.top-bar-center { text-align: center; }
.top-bar-logo { font-family: var(--font-head); font-size: 1.3rem; font-weight: 700; color: var(--accent); }
.top-bar-title { font-family: var(--font-head); font-size: 1.1rem; color: var(--text); font-weight: 500; }
.user-chip { display: flex; align-items: center; gap: 8px; padding: 6px 14px 6px 6px; border-radius: 20px; background: var(--card); border: 1px solid var(--border); }
.user-avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--accent-soft); border: 1px solid var(--accent-line); display: flex; align-items: center; justify-content: center; font-size: .8rem; color: var(--accent); font-weight: 600; }
.day-nav-label { font-size: .85rem; color: var(--text-muted); font-weight: 500; }

/* ════ PAGE BODY ════ */
.page-body { flex: 1; max-width: 760px; width: 100%; margin: 0 auto; padding: 40px 40px 120px; }

/* ── Reminder banner ── */
.reminder-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  background: linear-gradient(135deg, var(--card) 0%, var(--card-2) 100%);
  border: 1px solid var(--accent-line); border-radius: var(--radius); padding: 24px 28px; margin-bottom: 32px;
}
.reminder-label { font-size: .72rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--accent); font-weight: 600; margin-bottom: 4px; }
.reminder-text { font-family: var(--font-head); font-size: 1.15rem; font-weight: 500; }
.reminder-countdown { font-size: .82rem; color: var(--warning); margin-top: 6px; }

/* ── Progress section ── */
.progress-section { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; margin-bottom: 40px; }
.progress-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.progress-title { font-family: var(--font-head); font-size: 1.2rem; font-weight: 600; }
.progress-detail { font-size: .82rem; color: var(--text-muted); margin-top: 2px; }
.progress-ring-wrap { position: relative; width: 72px; height: 72px; }
.progress-ring { width: 72px; height: 72px; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--border); stroke-width: 6; }
.ring-fill { fill: none; stroke: var(--accent); stroke-width: 6; stroke-linecap: round; stroke-dasharray: 327; stroke-dashoffset: 327; transition: stroke-dashoffset .6s ease; }
.progress-percent { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: .72rem; font-weight: 600; color: var(--accent); }
.progress-stats { display: flex; align-items: center; justify-content: space-around; padding-top: 20px; border-top: 1px solid var(--border-light); }
.stat { text-align: center; }
.stat-num { font-family: var(--font-head); font-size: 1.8rem; font-weight: 700; color: var(--text); }
.stat-label { font-size: .72rem; color: var(--text-muted); margin-top: 2px; letter-spacing: .5px; }
.stat-divider { width: 1px; height: 36px; background: var(--border); }

/* ── Section heading ── */
.section-heading { display: flex; align-items: baseline; gap: 12px; margin-bottom: 20px; }
.section-heading h3 { font-family: var(--font-head); font-size: 1.25rem; font-weight: 600; }
.section-sub { font-size: .8rem; color: var(--text-muted); }

/* ── Days grid ── */
.days-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; margin-bottom: 32px; }
.day-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 16px; cursor: pointer; transition: var(--t); position: relative; text-align: left; }
.day-card:hover { background: var(--card-hover); border-color: var(--accent-line); transform: translateY(-2px); }
.day-card.completed { border-color: rgba(74,222,128,.3); }
.day-card.completed .day-card-status { color: var(--success); }
.day-card.locked { opacity: .45; cursor: not-allowed; }
.day-card.locked:hover { transform: none; border-color: var(--border); background: var(--card); }
.day-card.current { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent-line), 0 4px 16px var(--accent-soft); }
.day-card-num { font-size: .72rem; font-weight: 600; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; }
.day-card-title { font-family: var(--font-head); font-size: .95rem; font-weight: 600; margin-top: 6px; line-height: 1.3; min-height: 2.6em; }
.day-card-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border-light); }
.day-card-status { font-size: .7rem; color: var(--text-muted); font-weight: 500; }
.day-card-stars { font-size: .72rem; letter-spacing: 1px; color: var(--star-color); }
.day-card-lock { position: absolute; top: 16px; right: 16px; font-size: .85rem; color: var(--text-faint); }
.day-card-countdown { font-size: .68rem; color: var(--warning); margin-top: 4px; }

/* ── Week banner ── */
.week-banner { display: flex; align-items: center; justify-content: space-between; gap: 16px; background: var(--card); border: 1px solid var(--accent-line); border-left: 3px solid var(--accent); border-radius: var(--radius); padding: 20px 24px; margin-bottom: 32px; }
.week-banner-content { display: flex; align-items: center; gap: 16px; }
.week-banner-icon { font-family: var(--font-head); font-size: 1.5rem; color: var(--accent); font-weight: 700; }
.week-banner-title { font-weight: 600; font-size: .95rem; }
.week-banner-sub { font-size: .8rem; color: var(--text-muted); }

/* ════ DAY ENTRY ════ */
.day-body { max-width: 680px; }
.day-hero { margin-bottom: 40px; }
.day-hero-num { display: inline-block; font-size: .72rem; font-weight: 600; color: var(--accent); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; }
.day-hero-title { font-family: var(--font-head); font-size: 2rem; font-weight: 700; line-height: 1.2; margin-bottom: 8px; }
.day-hero-icon { font-size: 1.4rem; opacity: .6; }

/* Section blocks */
.section-block { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; margin-bottom: 24px; }
.section-block-label { font-size: .72rem; font-weight: 600; color: var(--accent); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 4px; }
.section-block-title { font-family: var(--font-head); font-size: 1.1rem; font-weight: 600; margin-bottom: 6px; }
.section-block-desc { font-size: .85rem; color: var(--text-muted); margin-bottom: 20px; }

/* Mood */
.mood-options { display: flex; justify-content: space-between; gap: 8px; }
.mood-btn { flex: 1; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 18px 8px 12px; background: var(--input-bg); cursor: pointer; transition: var(--t); text-align: center; }
.mood-btn:hover { border-color: var(--accent-line); background: var(--card-2); }
.mood-btn.selected { border-color: var(--accent); background: var(--accent-soft); }
.mood-emoji { font-size: 1.8rem; display: block; margin-bottom: 6px; }
.mood-btn .mood-text { font-size: .68rem; color: var(--text-muted); font-weight: 500; }
.mood-btn.selected .mood-text { color: var(--accent); }

/* Form fields */
.field-group { margin-bottom: 18px; }
.field-group:last-child { margin-bottom: 0; }
.f-label { display: block; font-size: .8rem; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.f-input { width: 100%; padding: 13px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-family: var(--font); font-size: .9rem; color: var(--text); outline: none; transition: var(--t); background: var(--input-bg); }
.f-input:focus { border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }
.f-input::placeholder { color: var(--text-faint); }
textarea.f-input { resize: vertical; min-height: 80px; }

/* List inputs */
.list-rows { display: flex; flex-direction: column; gap: 12px; }
.list-row { display: flex; align-items: center; gap: 10px; }
.list-prefix { font-weight: 600; color: var(--accent); font-size: .88rem; white-space: nowrap; min-width: 44px; }

/* Checkbox */
.f-check { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--input-bg); cursor: pointer; transition: var(--t); margin-bottom: 8px; }
.f-check:hover { border-color: var(--accent-line); }
.f-check.checked { border-color: rgba(74,222,128,.3); background: rgba(74,222,128,.05); }
.f-check input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--accent); cursor: pointer; flex-shrink: 0; }
.f-check label { font-size: .88rem; cursor: pointer; }

/* Radio */
.radio-group { display: flex; flex-direction: column; gap: 8px; }
.radio-opt { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--input-bg); cursor: pointer; transition: var(--t); }
.radio-opt:hover { border-color: var(--accent-line); }
.radio-opt.selected { border-color: var(--accent); background: var(--accent-soft); }
.radio-opt input[type="radio"] { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; flex-shrink: 0; }
.radio-opt label { font-size: .88rem; cursor: pointer; }

/* Info */
.info-box { background: var(--accent-soft); border: 1px solid var(--accent-line); border-left: 3px solid var(--accent); border-radius: var(--radius-sm); padding: 14px 18px; font-size: .85rem; color: var(--text); margin-bottom: 14px; }

/* Extra */
.extra-block { border: 1px dashed var(--accent-line); border-radius: var(--radius); padding: 24px; margin-bottom: 24px; background: var(--accent-soft); }
.extra-block-title { font-family: var(--font-head); font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.extra-block-text { font-size: .82rem; color: var(--text-muted); margin-bottom: 16px; }

/* Reflection */
.reflection-block { border-left: 3px solid var(--accent); }

/* Today I */
.todayi-rows { display: flex; flex-direction: column; gap: 10px; }
.todayi-row { display: flex; align-items: center; gap: 10px; }
.todayi-check { width: 28px; height: 28px; border-radius: 8px; border: 1px solid var(--border); background: var(--input-bg); cursor: pointer; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: .8rem; transition: var(--t); color: transparent; }
.todayi-check.checked { background: var(--success); border-color: var(--success); color: #0a0a12; }
.todayi-row .f-input { flex: 1; }

/* Star rating — gold stars */
.stars-row { display: flex; justify-content: center; gap: 8px; }
.star-btn {
  font-size: 2rem; cursor: pointer; background: none; border: none; padding: 2px;
  color: var(--star-inactive); transition: var(--t); line-height: 1;
}
.star-btn:hover { transform: scale(1.1); color: var(--star-color); }
.star-btn.active { color: var(--star-color); }

/* Quote */
.quote-block { text-align: center; padding: 24px; margin-bottom: 24px; }
.quote-text { font-family: var(--font-head); font-style: italic; font-size: 1rem; color: var(--text-muted); max-width: 400px; margin: 0 auto; position: relative; }
.quote-text::before { content: '\201C'; font-size: 2.5rem; color: var(--accent); opacity: .3; position: absolute; top: -16px; left: -12px; }

/* Day 30 special */
.celebration-block { text-align: center; padding: 40px 20px; margin-bottom: 24px; }
.celeb-icon { font-size: 3rem; margin-bottom: 16px; }
.celebration-block h2 { font-family: var(--font-head); font-size: 1.8rem; font-weight: 700; color: var(--accent); margin-bottom: 8px; }
.celebration-block p { font-size: .9rem; color: var(--text-muted); }
.ba-rows { display: flex; flex-direction: column; gap: 14px; }
.ba-row { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; }
.ba-row .ba-label { font-size: .82rem; color: var(--text-muted); font-weight: 500; white-space: nowrap; }
.ba-arrow { color: var(--accent); font-size: 1.2rem; }
.proud10-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.vow-block { background: linear-gradient(135deg, rgba(201,168,76,.08), rgba(201,168,76,.03)); border: 1px solid var(--accent-line); border-radius: var(--radius); padding: 32px; text-align: center; margin-bottom: 24px; }
.vow-block .vow-title { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; color: var(--accent); margin-bottom: 10px; }
.vow-block .vow-text { font-family: var(--font-head); font-style: italic; font-size: .92rem; margin-bottom: 24px; color: var(--text); }
.vow-block .f-label { color: var(--text-muted); }
.vow-block .f-input { background: rgba(10,10,18,.5); }
body[data-theme="light"] .vow-block .f-input { background: rgba(255,255,255,.6); }

/* Day action bar */
.day-action-bar { position: sticky; bottom: 0; display: flex; justify-content: flex-end; gap: 12px; padding: 16px 40px; background: var(--bg-2); border-top: 1px solid var(--border); z-index: 50; }

/* ════ PROFILE ════ */
.profile-card { text-align: center; padding: 40px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 32px; }
.profile-avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--accent-soft); border: 2px solid var(--accent-line); margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--accent); font-weight: 700; }
.profile-name { font-family: var(--font-head); font-size: 1.4rem; font-weight: 600; }
.profile-grade, .profile-email, .profile-start { font-size: .85rem; color: var(--text-muted); margin-top: 4px; }
.profile-section { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; margin-bottom: 24px; }
.profile-section-title { font-family: var(--font-head); font-size: 1.05rem; font-weight: 600; margin-bottom: 20px; }
.profile-section .field-block { margin-bottom: 16px; }
.danger-zone { border-color: rgba(226,85,85,.2); }
.danger-text { font-size: .85rem; color: var(--text-muted); margin-bottom: 16px; }

/* ════ TEACHER DASHBOARD ════ */
.teacher-filters { display: flex; gap: 12px; margin-bottom: 24px; }
.teacher-filters select, .teacher-filters input {
  padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--card); color: var(--text); font-family: var(--font); font-size: .88rem; outline: none;
}
.teacher-filters select { cursor: pointer; appearance: none; -webkit-appearance: none; }
.teacher-filters input { flex: 1; }
.teacher-filters input:focus, .teacher-filters select:focus { border-color: var(--accent-line); }

.teacher-students { display: flex; flex-direction: column; gap: 12px; }
.teacher-student-card {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 24px; cursor: pointer; transition: var(--t);
}
.teacher-student-card:hover { background: var(--card-hover); border-color: var(--accent-line); }
.ts-info { display: flex; align-items: center; gap: 14px; }
.ts-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--accent-soft); border: 1px solid var(--accent-line); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--accent); font-size: .85rem; flex-shrink: 0; }
.ts-name { font-weight: 600; font-size: .95rem; }
.ts-grade { font-size: .78rem; color: var(--text-muted); }
.ts-progress { display: flex; align-items: center; gap: 16px; }
.ts-bar-bg { width: 100px; height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; }
.ts-bar-fill { height: 100%; background: var(--accent); border-radius: 4px; transition: width .4s ease; }
.ts-stats { font-size: .78rem; color: var(--text-muted); white-space: nowrap; }
.ts-stars { color: var(--star-color); }

.teacher-empty { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.teacher-empty-hint { font-size: .82rem; margin-top: 8px; color: var(--text-faint); }

/* Teacher student detail */
.ts-detail-header { text-align: center; margin-bottom: 32px; }
.ts-detail-name { font-family: var(--font-head); font-size: 1.8rem; font-weight: 700; }
.ts-detail-meta { color: var(--text-muted); font-size: .88rem; margin-top: 6px; }
.ts-day-list { display: flex; flex-direction: column; gap: 12px; }
.ts-day-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 24px;
}
.ts-day-item.completed { border-left: 3px solid var(--success); }
.ts-day-item.incomplete { opacity: .5; border-left: 3px solid var(--text-faint); }
.ts-day-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.ts-day-title { font-family: var(--font-head); font-weight: 600; }
.ts-day-badge { font-size: .72rem; font-weight: 600; padding: 3px 10px; border-radius: 12px; }
.ts-day-badge.done { background: rgba(74,222,128,.15); color: var(--success); }
.ts-day-badge.pending { background: var(--card-2); color: var(--text-muted); }
.ts-day-content-item { font-size: .85rem; color: var(--text-muted); margin-bottom: 6px; }
.ts-day-content-item strong { color: var(--text); font-weight: 500; }
.ts-day-stars { color: var(--star-color); font-size: .85rem; }

/* ════ TOAST ════ */
.toast { position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(140%); background: var(--card-2); color: var(--text); padding: 14px 28px; border-radius: var(--radius-sm); border: 1px solid var(--border); font-size: .88rem; font-weight: 500; box-shadow: var(--shadow-lg); transition: transform .35s cubic-bezier(.4,0,.2,1); z-index: 1000; white-space: nowrap; }
.toast.show { transform: translateX(-50%) translateY(0); }

/* ════ MODAL ════ */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); backdrop-filter: blur(6px); display: none; align-items: center; justify-content: center; z-index: 500; padding: 20px; }
.modal-overlay.show { display: flex; animation: fadeIn .25s ease; }
.modal-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; max-width: 400px; width: 100%; box-shadow: var(--shadow-lg); }
.modal-card h3 { font-family: var(--font-head); font-size: 1.2rem; font-weight: 600; margin-bottom: 12px; }
.modal-text { font-size: .88rem; color: var(--text-muted); margin-bottom: 24px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; }

/* Confetti */
.confetti { position: fixed; width: 8px; height: 8px; top: -10px; pointer-events: none; z-index: 999; animation: confettiFall 3s linear forwards; }
@keyframes confettiFall { 0% { transform: translateY(0) rotate(0); opacity: 1; } 100% { transform: translateY(100vh) rotate(720deg); opacity: 0; } }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* Print */
@media print { .top-bar, .day-action-bar, .reminder-banner, #toast, .modal-overlay { display: none !important; } .screen { display: block !important; } body { background: #fff; color: #000; } }

/* Responsive */
@media (max-width: 768px) {
  .auth-center { padding: 40px 24px; }
  .top-bar { padding: 14px 20px; }
  .page-body { padding: 24px 20px 100px; }
  .day-action-bar { padding: 14px 20px; }
  .days-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
  .mood-btn { padding: 12px 4px; }
  .mood-emoji { font-size: 1.5rem; }
  .proud10-grid { grid-template-columns: 1fr; }
  .ba-row { grid-template-columns: 1fr; gap: 6px; text-align: center; }
  .ba-arrow { display: none; }
  .user-chip span { display: none; }
  .reminder-banner { flex-direction: column; align-items: stretch; }
  .reminder-banner .btn-primary { width: 100%; }
  .teacher-filters { flex-direction: column; }
  .ts-progress { flex-direction: column; gap: 6px; align-items: flex-end; }
}
@media (max-width: 480px) {
  .days-grid { grid-template-columns: repeat(2, 1fr); }
  .code-box { width: 40px; height: 48px; font-size: 1.2rem; }
  .day-hero-title { font-size: 1.5rem; }
  .section-block { padding: 20px; }
  .auth-desc { font-size: .82rem; }
}

/* ════ NEW STYLES ════ */

/* Field hint text (below input) */
.field-hint { font-size: .75rem; color: var(--text-muted); margin-top: 4px; display: block; }

/* Grade locked notice in profile */
.grade-locked-notice {
  font-size: .85rem;
  color: var(--text-muted);
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 16px;
}

/* Teacher tab bar */
.teacher-tab-bar {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 28px;
  max-width: 340px;
}
.teacher-tab-btn {
  flex: 1;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  background: none;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: .88rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--t);
}
.teacher-tab-btn.active { background: var(--accent); color: #1a1a12; }
.teacher-tab-btn:not(.active):hover { color: var(--text); }

/* Student groups */
.student-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 4px;
  margin-top: 24px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.student-group-header:first-child { margin-top: 0; }
.student-group-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
}
.student-group-count { font-size: .78rem; color: var(--text-muted); }
.student-group-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 8px; }

/* Teacher student card updated (with edit button) */
.ts-middle {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex: 1;
}
.ts-edit-btn {
  flex-shrink: 0;
  font-size: .9rem;
}

/* Inline grade editor */
.grade-editor-row {
  background: var(--card-2);
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.grade-editor-label { font-size: .85rem; font-weight: 500; color: var(--text); }
.grade-editor-fields { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.grade-editor-fields select {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--input-bg);
  color: var(--text);
  font-family: var(--font);
  font-size: .88rem;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}
.grade-editor-fields select:focus { border-color: var(--accent-line); }
.ge-save { padding: 10px 20px; }
.ge-cancel { padding: 10px 20px; }

/* Student detail summary bar */
.ts-summary {
  display: flex;
  gap: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 24px;
  font-size: .88rem;
  color: var(--text-muted);
}
.ts-day-time { font-size: .72rem; opacity: .6; }