/* ═══════════════════════════════════════════════════════════
   AI School Web — Apple Design System
   Apple 官网 스타일 UI
═══════════════════════════════════════════════════════════ */

/* ── 디자인 토큰 ─────────────────────────────────────────── */
:root {
  /* Apple Brand */
  --primary:        #0071E3;
  --primary-dark:   #0077ED;
  --primary-light:  #47A3F3;
  --primary-glow:   rgba(0,113,227,.15);
  --secondary:      #34C759;
  --success:        #34C759;
  --warning:        #FF9500;
  --danger:         #FF3B30;
  --info:           #007AFF;

  /* Apple Surfaces */
  --bg:             #F5F5F7;
  --surface:        #FFFFFF;
  --surface-alt:    #F5F5F7;
  --surface-raised: #FFFFFF;
  --divider:        #D2D2D7;

  /* Text */
  --text:           #1D1D1F;
  --text-muted:     #6E6E73;
  --text-light:     #AEAEB2;

  /* Borders */
  --border:         #D2D2D7;
  --border-dark:    #C7C7CC;
  --border-input:   #C7C7CC;

  /* Shadows — subtle Apple style */
  --shadow:         0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:      0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:      0 8px 32px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.07);
  --shadow-xl:      0 20px 60px rgba(0,0,0,.15), 0 8px 20px rgba(0,0,0,.08);

  /* Misc */
  --radius:         12px;
  --radius-sm:      8px;
  --radius-lg:      18px;
  --radius-xl:      24px;
  --transition:     .2s cubic-bezier(.4,0,.2,1);
}

/* ── 리셋 & 베이스 ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text',
    'Pretendard', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

/* ── 레이아웃 ────────────────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }

/* ── 사이드바 ────────────────────────────────────────────── */
.sidebar {
  width: 240px;
  min-height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--divider);
  padding: 24px 0;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition);
  box-shadow: 1px 0 0 var(--divider);
}

.sidebar-logo {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--divider);
  margin-bottom: 12px;
  display: flex; flex-direction: row; align-items: center; gap: 10px;
  cursor: pointer;
}
.sidebar-logo img {
  height: 40px; width: auto; flex-shrink: 0;
}
.sidebar-brand { display: flex; flex-direction: column; gap: 3px; }
.brand-en {
  font-size: 20px; font-weight: 900; font-style: italic;
  letter-spacing: -1px; line-height: 1;
  background: linear-gradient(120deg, #4f46e5 0%, #7c3aed 55%, #a855f7 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 1px 4px rgba(99,102,241,.25));
}
.brand-ko {
  font-size: 9px; font-weight: 700; letter-spacing: 2.5px;
  color: #7c3aed; opacity: .75; line-height: 1;
}

.sidebar-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 18px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13.5px; font-weight: 500;
  border-radius: 10px;
  margin: 1px 10px;
  transition: all var(--transition);
  position: relative;
}
.sidebar-nav a:hover {
  background: rgba(0,113,227,.07);
  color: var(--primary);
}
.sidebar-nav a.active {
  background: rgba(0,113,227,.10);
  color: var(--primary);
  font-weight: 600;
}
.sidebar-nav a.active::before {
  content: '';
  position: absolute; left: -10px; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 60%; min-height: 18px;
  background: var(--primary);
  border-radius: 0 3px 3px 0;
}
.sidebar-nav a .icon { font-size: 17px; width: 22px; text-align: center; }

.sidebar-user {
  margin-top: auto;
  padding: 14px 20px;
  border-top: 1px solid var(--divider);
}
.sidebar-user .avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 13px;
  margin-right: 8px;
  background: var(--primary);
}
.sidebar-user .user-info { display: inline-block; vertical-align: middle; }
.sidebar-user .user-name { font-size: 13px; font-weight: 600; }
.sidebar-user .user-role { font-size: 11px; color: var(--text-muted); }

.main {
  margin-left: 240px;
  flex: 1;
  padding: 28px 32px;
  min-height: 100vh;
}

/* ── 카드 ────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 22px 24px;
  margin-bottom: 18px;
  transition: box-shadow var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
}
.card-title {
  font-size: 15px; font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
  display: flex; align-items: center; gap: 7px;
}
.card-subtitle { font-size: 13px; color: var(--text-muted); margin-bottom: 10px; }

/* ── 그리드 ─────────────────────────────────────────────── */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ── 통계 카드 ──────────────────────────────────────────── */
.stat-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 16px;
  transition: all var(--transition);
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.stat-icon {
  width: 48px; height: 48px;
  border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; flex-shrink: 0;
}
.stat-icon.purple { background: #F2F0FF; }
.stat-icon.blue   { background: #EAF3FF; }
.stat-icon.green  { background: #E8F8EE; }
.stat-icon.yellow { background: #FFF5E6; }
.stat-icon.red    { background: #FFEEED; }
.stat-value { font-size: 26px; font-weight: 700; line-height: 1; letter-spacing: -1px; color: var(--text); }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ── 버튼 ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 20px;
  border-radius: 980px;
  font-size: 13.5px; font-weight: 500;
  cursor: pointer; border: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  position: relative; overflow: hidden;
  letter-spacing: -.1px;
}
.btn:active { transform: scale(.97); opacity: .9; }

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #30b353; }
.btn-danger  { background: var(--danger);  color: #fff; }
.btn-danger:hover  { background: #e5342a; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-dark);
  color: var(--text-muted);
}
.btn-outline:hover { background: var(--bg); color: var(--primary); border-color: var(--primary); }

.btn-sm  { padding: 5px 14px; font-size: 12px; }
.btn-lg  { padding: 14px 32px; font-size: 15px; font-weight: 600; }
.btn-block { width: 100%; border-radius: var(--radius-sm); }
.btn-icon { padding: 9px; border-radius: var(--radius-sm); }

/* ── 폼 ─────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 12.5px; font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
  letter-spacing: .1px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border-input);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  transition: all var(--transition);
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0,113,227,.12);
}
.form-control::placeholder { color: var(--text-light); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 100px; }

/* ── 뱃지 ────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 11px; font-weight: 600;
  letter-spacing: .2px;
}
.badge-primary { background: #EAF3FF; color: var(--primary); }
.badge-success { background: #E8F8EE; color: #1E8A3A; }
.badge-warning { background: #FFF5E6; color: #BF6900; }
.badge-danger  { background: #FFEEED; color: var(--danger); }
.badge-info    { background: #EAF3FF; color: #0062C3; }
.badge-gray    { background: var(--bg); color: var(--text-muted); }

/* ── 테이블 ─────────────────────────────────────────────── */
.table { width: 100%; border-collapse: collapse; }
.table th {
  font-size: 11.5px; font-weight: 700;
  color: var(--text-muted);
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1.5px solid var(--divider);
  letter-spacing: .3px;
  text-transform: uppercase;
}
.table td {
  font-size: 13.5px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--bg);
}
.table tr:last-child td { border-bottom: none; }
.table-hover tr:hover td {
  background: var(--bg);
}

/* ── 모달 ────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 28px;
  width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto;
  transform: scale(.96) translateY(8px);
  transition: transform var(--transition);
  box-shadow: var(--shadow-xl);
}
.modal-overlay.active .modal { transform: scale(1) translateY(0); }
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 22px;
}
.modal-title { font-size: 17px; font-weight: 700; }
.modal-close {
  background: var(--bg); border: none;
  font-size: 18px; cursor: pointer;
  color: var(--text-muted);
  padding: 6px 9px; border-radius: 8px;
  transition: all var(--transition);
}
.modal-close:hover { background: #FFEEED; color: var(--danger); }

/* ── 알림 토스트 ────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  background: var(--surface);
  color: var(--text);
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 13.5px;
  min-width: 280px;
  max-width: 400px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  animation: toastIn .25s cubic-bezier(.34,1.56,.64,1);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}
.toast::before {
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.success::before { content: '✅'; }
.toast.error   { border-left: 3px solid var(--danger);  }
.toast.error::before   { content: '❌'; }
.toast.info    { border-left: 3px solid var(--primary); }
.toast.info::before    { content: 'ℹ️'; }

@keyframes toastIn {
  from { transform: translateX(20px) scale(.95); opacity: 0; }
  to   { transform: translateX(0)    scale(1);   opacity: 1; }
}

/* ── 페이지 헤더 ─────────────────────────────────────────── */
.page-header { margin-bottom: 24px; }
.page-header h2 {
  font-size: 24px; font-weight: 700;
  color: var(--text);
  letter-spacing: -.5px;
}
.page-header p { color: var(--text-muted); font-size: 14px; margin-top: 5px; }

/* ── 탭 ─────────────────────────────────────────────────── */
.tabs {
  display: flex; gap: 4px;
  background: var(--bg);
  padding: 4px;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 20px;
}
.tab-btn {
  flex: 1; padding: 8px 16px;
  border: none; background: none;
  border-radius: 9px;
  font-size: 13.5px; font-weight: 500;
  cursor: pointer; color: var(--text-muted);
  transition: all var(--transition);
}
.tab-btn.active {
  background: var(--surface);
  color: var(--primary);
  font-weight: 700;
  box-shadow: var(--shadow);
}

/* ── 진행 바 ────────────────────────────────────────────── */
.progress {
  background: var(--bg);
  border-radius: 99px;
  height: 7px;
  overflow: hidden;
}
.progress-bar {
  height: 100%; border-radius: 99px;
  background: var(--primary);
  transition: width .5s cubic-bezier(.4,0,.2,1);
}
.progress-bar.success { background: var(--success); }
.progress-bar.warning { background: var(--warning); }

/* ── 감정 이모지 ─────────────────────────────────────────── */
.mood-picker { display: flex; gap: 10px; justify-content: center; }
.mood-btn {
  width: 54px; height: 54px;
  border-radius: 14px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  font-size: 25px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.mood-btn:hover { transform: scale(1.1) translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.mood-btn.selected {
  border-color: var(--primary);
  background: rgba(0,113,227,.08);
  transform: scale(1.08);
  box-shadow: 0 4px 16px var(--primary-glow);
}

/* ── 카테고리 칩 ─────────────────────────────────────────── */
.chip-group { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12.5px;
  cursor: pointer;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  transition: all var(--transition);
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active {
  background: rgba(0,113,227,.10);
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 600;
}

/* ── 타이머 ─────────────────────────────────────────────── */
.timer-display {
  font-size: 62px; font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  text-align: center;
  letter-spacing: -3px;
}

/* ── 생기부 카드 ─────────────────────────────────────────── */
.gibu-card {
  border-left: 3px solid var(--primary);
  padding: 14px 16px;
  background: var(--surface);
  border-radius: 0 12px 12px 0;
  box-shadow: var(--shadow);
  margin-bottom: 10px;
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}
.gibu-card:hover { transform: translateX(3px); box-shadow: var(--shadow-md); }
.gibu-card.동아리 { border-left-color: #AF52DE; }
.gibu-card.봉사   { border-left-color: var(--success); }
.gibu-card.진로   { border-left-color: var(--warning); }
.gibu-card.독서   { border-left-color: var(--info); }
.gibu-card.수상   { border-left-color: #FF2D55; }

/* ── AI 제안 박스 ────────────────────────────────────────── */
.ai-box {
  background: #EAF3FF;
  border-radius: 12px;
  padding: 16px;
  border: 1px solid rgba(0,113,227,.20);
}
.ai-box h4 { font-size: 12.5px; font-weight: 700; color: var(--primary); margin-bottom: 7px; }
.ai-box p  { font-size: 13px; color: #0055B3; line-height: 1.75; }

/* ── 로그인 페이지 ───────────────────────────────────────── */
.auth-container {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: #1D1D1F;
  padding: 20px;
}
.auth-box {
  background: #2C2C2E;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,255,255,.12);
  padding: 40px;
  width: 100%; max-width: 400px;
  box-shadow: 0 24px 80px rgba(0,0,0,.5);
}
.auth-box .form-control {
  background: #3A3A3C;
  border-color: rgba(255,255,255,.14);
  color: #fff;
}
.auth-box .form-control::placeholder { color: rgba(255,255,255,.35); }
.auth-box .form-control:focus {
  background: #3A3A3C;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0,113,227,.20);
}
.auth-box .form-label { color: rgba(255,255,255,.80); }
.auth-logo { text-align: center; margin-bottom: 32px; }
.auth-logo h1 { font-size: 26px; font-weight: 700; color: #fff; letter-spacing: -.5px; }
.auth-logo p  { font-size: 12.5px; color: rgba(255,255,255,.45); margin-top: 6px; }

/* ── 설치 마법사 ─────────────────────────────────────────── */
.setup-container {
  min-height: 100vh;
  background: #1D1D1F;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.setup-box {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%; max-width: 560px;
  box-shadow: var(--shadow-xl);
}
.step-indicator { display: flex; gap: 8px; margin-bottom: 32px; justify-content: center; }
.step-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  transition: all .35s cubic-bezier(.4,0,.2,1);
}
.step-dot.active  { background: var(--primary); border-color: var(--primary); width: 28px; border-radius: 5px; }
.step-dot.done    { background: var(--success); border-color: var(--success); }
.step { display: none; }
.step.active { display: block; }

/* ── 스크롤바 ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--divider); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-dark); }

/* ── 반응형 ─────────────────────────────────────────────── */

/* 태블릿 (Tablet: 769px ~ 1024px) */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stat-card { gap: 12px; }
  .stat-value { font-size: 22px; }
}

/* 태블릿 세로 (Tablet Portrait: 600px ~ 768px) */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-240px);
    box-shadow: none;
    width: 240px;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }
  .main {
    margin-left: 0;
    padding: 16px 16px 28px;
  }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hamburger { display: flex !important; }

  /* 페이지 헤더 */
  .page-header h2 { font-size: 20px; }

  /* 카드 */
  .card { padding: 16px 18px; margin-bottom: 14px; }
  .stat-card { flex-direction: column; text-align: center; }
  .stat-icon { width: 40px; height: 40px; font-size: 18px; }
  .stat-value { font-size: 20px; }

  /* 버튼 */
  .btn { padding: 8px 16px; font-size: 13px; }
  .btn-lg { padding: 11px 24px; }

  /* 모달 */
  .modal { max-width: calc(100% - 40px); padding: 24px; }
  .auth-box, .setup-box { padding: 28px 24px; }

  /* 타이머 */
  .timer-display { font-size: 48px; }

  /* 테이블 */
  .table th, .table td { padding: 8px 10px; font-size: 12px; }

  /* 탭 */
  .tabs { margin-bottom: 16px; }
  .tab-btn { padding: 7px 12px; font-size: 12px; }

  /* 폼 */
  .form-label { font-size: 12px; }
  .form-control { padding: 9px 12px; font-size: 13px; }

  /* 배지 */
  .badge { padding: 2px 8px; font-size: 10px; }

  /* 감정 버튼 */
  .mood-btn { width: 48px; height: 48px; font-size: 22px; }
}

/* 모바일 (Mobile: 480px ~ 599px) */
@media (max-width: 599px) {
  body { font-size: 13px; line-height: 1.6; }

  /* 레이아웃 */
  .main { padding: 14px 12px 24px; }

  /* 페이지 헤더 */
  .page-header { margin-bottom: 16px; }
  .page-header h2 { font-size: 18px; font-weight: 600; letter-spacing: -.3px; }
  .page-header p { font-size: 12px; margin-top: 3px; }

  /* 카드 */
  .card {
    padding: 14px 14px;
    margin-bottom: 12px;
    border-radius: 10px;
  }
  .card-title { font-size: 14px; margin-bottom: 10px; gap: 5px; }
  .card-subtitle { font-size: 12px; }

  /* 그리드 */
  .grid { gap: 12px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  /* 통계 카드 */
  .stat-card {
    flex-direction: column;
    text-align: center;
    padding: 14px;
    gap: 10px;
  }
  .stat-icon { width: 36px; height: 36px; font-size: 16px; }
  .stat-value { font-size: 18px; }
  .stat-label { font-size: 11px; margin-top: 2px; }

  /* 버튼 */
  .btn {
    padding: 7px 14px;
    font-size: 12px;
    border-radius: 8px;
  }
  .btn-lg { padding: 10px 20px; font-size: 13px; }
  .btn-sm { padding: 4px 10px; font-size: 11px; }
  .btn-block { border-radius: 8px; }

  /* 폼 */
  .form-group { margin-bottom: 12px; }
  .form-label {
    font-size: 11px;
    margin-bottom: 4px;
  }
  .form-control {
    padding: 8px 10px;
    font-size: 13px;
    border-radius: 8px;
  }

  /* 모달 */
  .modal-overlay { padding: 16px; }
  .modal {
    max-width: calc(100% - 32px);
    padding: 20px;
    border-radius: 16px;
  }
  .modal-header { margin-bottom: 16px; }
  .modal-title { font-size: 15px; }

  /* 인증 박스 */
  .auth-box {
    padding: 20px 16px;
    border-radius: 20px;
    max-width: calc(100% - 32px);
  }
  .auth-logo h1 { font-size: 22px; letter-spacing: -.3px; }
  .auth-logo p { font-size: 11px; margin-top: 4px; }

  /* 설정 박스 */
  .setup-box {
    padding: 24px 16px;
    border-radius: 20px;
    max-width: calc(100% - 32px);
  }

  /* 타이머 */
  .timer-display { font-size: 40px; letter-spacing: -2px; }

  /* 테이블 */
  .table th {
    padding: 6px 8px;
    font-size: 10px;
  }
  .table td {
    padding: 8px;
    font-size: 12px;
  }

  /* 탭 */
  .tabs {
    gap: 2px;
    padding: 3px;
    margin-bottom: 14px;
  }
  .tab-btn {
    padding: 6px 10px;
    font-size: 11px;
    border-radius: 8px;
  }

  /* 뱃지 */
  .badge {
    padding: 2px 6px;
    font-size: 9px;
    border-radius: 4px;
  }

  /* 감정 버튼 */
  .mood-picker { gap: 8px; }
  .mood-btn {
    width: 42px;
    height: 42px;
    font-size: 20px;
    border-radius: 10px;
  }

  /* 칩 */
  .chip {
    padding: 4px 10px;
    font-size: 11px;
    border-radius: 16px;
  }
  .chip-group { gap: 5px; }

  /* 진행 바 */
  .progress { height: 6px; }

  /* 생기부 카드 */
  .gibu-card {
    padding: 12px 12px;
    margin-bottom: 8px;
    border-left-width: 2px;
    border-radius: 0 10px 10px 0;
  }

  /* AI 박스 */
  .ai-box {
    padding: 12px;
    border-radius: 10px;
  }
  .ai-box h4 { font-size: 11px; margin-bottom: 6px; }
  .ai-box p { font-size: 12px; }

  /* 섹션 라벨 */
  .section-label {
    font-size: 10px;
    padding: 0 8px 6px;
    margin-top: 6px;
  }

  /* 빈 상태 */
  .empty-state { padding: 32px 16px; }
  .empty-state .empty-icon { font-size: 32px; margin-bottom: 10px; }
  .empty-state p { font-size: 13px; }

  /* 토스트 */
  .toast-container { bottom: 16px; right: 16px; }
  .toast {
    min-width: 200px;
    padding: 10px 14px;
    font-size: 12px;
  }

  /* 햄버거 메뉴 */
  .hamburger { padding: 8px; top: 12px; left: 12px; }
  .hamburger span { width: 18px; height: 2px; }
}

/* 초소형 모바일 (Extra Small: < 480px) */
@media (max-width: 479px) {
  /* 레이아웃 */
  .main { padding: 12px 10px 20px; }

  /* 페이지 헤더 */
  .page-header h2 { font-size: 16px; }
  .page-header p { font-size: 11px; }

  /* 카드 */
  .card { padding: 12px 12px; margin-bottom: 10px; }
  .card-title { font-size: 13px; margin-bottom: 8px; }

  /* 통계 카드 */
  .stat-card { padding: 12px; }
  .stat-icon { width: 32px; height: 32px; font-size: 14px; }
  .stat-value { font-size: 16px; }
  .stat-label { font-size: 10px; }

  /* 버튼 */
  .btn { padding: 6px 12px; font-size: 11px; }

  /* 폼 */
  .form-control { padding: 7px 10px; font-size: 12px; }

  /* 모달 */
  .modal { padding: 16px; max-width: calc(100% - 20px); }
  .auth-box, .setup-box { padding: 16px 12px; }

  /* 타이머 */
  .timer-display { font-size: 32px; }

  /* 테이블 - 더 조밀하게 */
  .table th, .table td { padding: 5px 6px; font-size: 11px; }

  /* 감정 버튼 */
  .mood-btn { width: 38px; height: 38px; font-size: 18px; }
  .mood-picker { gap: 6px; }
}

/* 랜드스케이프 모바일 (Mobile Landscape: 768px 이하 AND 높이 ≤ 500px) */
@media (max-width: 768px) and (max-height: 500px) {
  .main { padding: 12px 16px; }
  .page-header { margin-bottom: 12px; }
  .page-header h2 { font-size: 16px; margin-bottom: 4px; }
  .card { margin-bottom: 10px; padding: 12px; }
  .stat-card { padding: 12px; }
}

/* ── 유틸리티 ────────────────────────────────────────────── */
.text-muted      { color: var(--text-muted); }
.text-sm         { font-size: 13px; }
.text-xs         { font-size: 11px; }
.text-center     { text-align: center; }
.text-right      { text-align: right; }
.font-bold       { font-weight: 700; }
.mt-1 { margin-top: 8px;  } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.mr-1 { margin-right: 8px; }
.flex     { display: flex; }
.flex-1   { flex: 1; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center   { align-items: center; }
.items-start    { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.justify-end     { justify-content: flex-end; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; } .gap-3 { gap: 24px; }
.w-full  { width: 100%; }
.hidden  { display: none !important; }
.divider { border: none; border-top: 1px solid var(--divider); margin: 16px 0; }

.hamburger {
  display: none;
  position: fixed; top: 16px; left: 16px; z-index: 200;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px; cursor: pointer;
  flex-direction: column; gap: 4px;
  box-shadow: var(--shadow);
}
.hamburger span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; }

/* ── 섹션 구분선 텍스트 ─────────────────────────────────── */
.section-label {
  font-size: 11px; font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0 10px 8px;
  margin-top: 8px;
}

/* ── 빈 상태 ────────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 48px 20px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 40px; margin-bottom: 12px; opacity: .4; }
.empty-state p { font-size: 14px; }

/* ── 글로우 효과 (강조) ─────────────────────────────────── */
.glow-primary { box-shadow: 0 0 24px var(--primary-glow); }

/* ── 링크 ────────────────────────────────────────────────── */
a { color: var(--primary); text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: .75; }