/* ============================================================
   style.css — CaptionKu Design System v4.0 (Premium Light)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300;0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;0,14..32,800;0,14..32,900;1,14..32,400&display=swap');

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

:root {
  /* ── Backgrounds ── */
  --bg:          #f5f7fb;
  --bg-card:     #ffffff;
  --bg-card2:    #f9fafc;
  --bg-sidebar:  #ffffff;
  --bg-soft:     #f0f4ff;

  /* ── Borders ── */
  --border:      #e3e8f0;
  --border-soft: #edf1f7;
  --border-hover:#c7d7f5;

  /* ── Text ── */
  --text:        #16192c;
  --text-sub:    #42506b;
  --text-muted:  #8691a8;
  --text-light:  #b0baca;

  /* ── Brand ── */
  --primary:     #3b82f6;
  --primary-d:   #2563eb;
  --primary-l:   #eff6ff;
  --primary-glow:rgba(59,130,246,0.22);
  --primary-mid: #60a5fa;

  /* ── Premium gold ── */
  --premium:     #f59e0b;
  --premium-d:   #d97706;
  --premium-l:   #fffbeb;
  --premium-glow:rgba(245,158,11,0.28);
  --premium-mid: #fcd34d;

  /* ── States ── */
  --success:     #10b981;
  --success-l:   #f0fdf9;
  --danger:      #ef4444;
  --danger-l:    #fef2f2;
  --warning:     #f97316;
  --warning-l:   #fff7ed;
  --info:        #0ea5e9;
  --info-l:      #f0f9ff;

  /* ── Admin ── */
  --admin-color: #8b5cf6;
  --admin-l:     #f5f3ff;

  /* ── Radii ── */
  --radius:      18px;
  --radius-sm:   12px;
  --radius-xs:   8px;

  /* ── Shadows ── */
  --shadow-xs:   0 1px 3px rgba(20,30,60,0.05), 0 1px 2px rgba(20,30,60,0.03);
  --shadow-sm:   0 2px 8px rgba(20,30,60,0.07), 0 1px 3px rgba(20,30,60,0.04);
  --shadow:      0 6px 24px rgba(20,30,60,0.08), 0 2px 6px rgba(20,30,60,0.04);
  --shadow-md:   0 12px 40px rgba(20,30,60,0.11), 0 3px 10px rgba(20,30,60,0.05);
  --shadow-lg:   0 24px 64px rgba(20,30,60,0.14), 0 6px 16px rgba(20,30,60,0.06);
  --shadow-blue: 0 8px 28px rgba(59,130,246,0.28);
  --shadow-gold: 0 8px 28px rgba(245,158,11,0.28);

  /* ── Transitions ── */
  --transition:  0.2s cubic-bezier(0.4,0,0.2,1);
  --transition-s:0.3s cubic-bezier(0.4,0,0.2,1);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================================
   Auth pages
   ============================================================ */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(59,130,246,0.09) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 90%, rgba(245,158,11,0.07) 0%, transparent 60%),
    var(--bg);
  padding: 20px;
}

.auth-container { width: 100%; max-width: 440px; }

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 44px;
  box-shadow: var(--shadow-md);
  animation: fadeUp 0.45s ease;
}

.auth-logo {
  text-align: center;
  margin-bottom: 36px;
}
.logo-icon {
  font-size: 54px;
  display: block;
  margin-bottom: 12px;
  animation: float 3s ease-in-out infinite;
  filter: drop-shadow(0 4px 14px rgba(59,130,246,0.25));
}
.auth-logo h1 {
  font-size: 30px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text) 30%, var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.6px;
}
.auth-logo p  { color: var(--text-muted); font-size: 14px; margin-top: 5px; }
.auth-footer  { text-align: center; margin-top: 24px; font-size: 14px; color: var(--text-muted); }

/* ============================================================
   Navbar
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-soft);
  padding: 0 32px;
  height: 64px;
  box-shadow: 0 1px 0 var(--border-soft), var(--shadow-xs);
}
.navbar-admin { border-bottom-color: rgba(139,92,246,0.3); }

.navbar-brand {
  font-size: 19px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.6px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--text) 40%, var(--primary-d));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.navbar-right { display: flex; align-items: center; gap: 10px; }

/* ============================================================
   Dashboard layout
   ============================================================ */
.dashboard-page { background: var(--bg); }

.dashboard-layout {
  display: flex;
  min-height: calc(100vh - 64px);
}

.admin-layout {
  display: flex;
  min-height: calc(100vh - 64px);
}

/* ── Sidebar ── */
.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  box-shadow: 2px 0 12px rgba(20,30,60,0.04);
}

.sidebar-avatar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 8px;
}
.avatar-circle {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--admin-color) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 17px;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(59,130,246,0.3);
}
.avatar-info strong { display: block; font-size: 14px; font-weight: 700; color: var(--text); line-height: 1.4; }
.avatar-info small  { color: var(--text-muted); font-size: 11.5px; word-break: break-all; }

.usage-box {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-soft);
}
.usage-label {
  font-size: 10.5px;
  color: var(--text-muted);
  margin-bottom: 9px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  font-weight: 700;
}
.usage-bar-wrap {
  background: var(--bg);
  border-radius: 99px;
  height: 7px;
  overflow: hidden;
  margin-bottom: 8px;
}
.usage-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-mid) 100%);
  border-radius: 99px;
  transition: width 0.7s ease;
  box-shadow: 0 0 8px var(--primary-glow);
}
.usage-count { font-size: 12px; color: var(--text-muted); font-weight: 500; }

.sidebar-nav { padding: 10px 0; flex: 1; }
.sidebar-link {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--text-sub);
  transition: all var(--transition);
  text-decoration: none;
  border-left: 3px solid transparent;
  gap: 9px;
  font-weight: 500;
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  margin: 1px 10px 1px 0;
}
.sidebar-link:hover        { color: var(--text); background: var(--primary-l); text-decoration: none; border-left-color: var(--border-hover); }
.sidebar-link.active       { color: var(--primary); border-left-color: var(--primary); background: var(--primary-l); font-weight: 700; }
.sidebar-link.admin-link   { color: var(--admin-color); }
.sidebar-link.admin-link:hover { background: var(--admin-l); }

/* ── Main content ── */
.main-content {
  flex: 1;
  padding: 36px 40px;
  overflow-y: auto;
  max-width: 880px;
}

.page-header { margin-bottom: 28px; }
.page-header h2 { font-size: 24px; font-weight: 800; letter-spacing: -0.5px; color: var(--text); }
.page-header p  { color: var(--text-muted); font-size: 14px; margin-top: 5px; }

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.card:hover { border-color: var(--border-hover); box-shadow: var(--shadow); transform: translateY(-1px); }
.card h3 { font-size: 16px; font-weight: 700; margin-bottom: 18px; color: var(--text); }

.card-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.card-header-flex h3 { margin-bottom: 0; }

/* ============================================================
   Forms
   ============================================================ */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-sub);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.form-group label .required { color: var(--danger); }

.form-control {
  width: 100%;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: all var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
  background: #fff;
}
.form-control::placeholder { color: var(--text-light); }
textarea.form-control { resize: vertical; min-height: 110px; }
select.form-control   { cursor: pointer; }

.hint { font-size: 12px; color: var(--text-muted); margin-top: 5px; display: block; }

.input-pw-wrap { position: relative; }
.input-pw-wrap .form-control { padding-right: 44px; }
.toggle-pw {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 17px;
  color: var(--text-muted);
  padding: 4px;
  transition: var(--transition);
}
.toggle-pw:hover { color: var(--text); }

/* Tone selector */
.tone-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.tone-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 13px 8px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sub);
  transition: all var(--transition);
  text-align: center;
  gap: 5px;
  background: #fff;
}
.tone-card input { display: none; }
.tone-card:hover  { border-color: var(--primary); color: var(--primary); background: var(--primary-l); transform: translateY(-1px); }
.tone-card.selected {
  border-color: var(--primary);
  background: var(--primary-l);
  color: var(--primary);
  box-shadow: 0 0 0 2px rgba(59,130,246,0.15);
}

/* Upload area */
.upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}
.upload-area:hover { border-color: var(--primary); }
.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 32px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 14px;
}
.upload-icon { font-size: 32px; }
.upload-preview {
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.upload-preview img {
  max-width: 120px;
  max-height: 120px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.1px;
}
.btn:hover  { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #5b6ef5 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(59,130,246,0.32);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-d) 0%, #4f5fda 100%);
  box-shadow: 0 8px 28px rgba(59,130,246,0.42);
}

.btn-outline {
  background: #fff;
  color: var(--text-sub);
  border-color: var(--border);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-l);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--bg); color: var(--text-sub); }

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(16,185,129,0.28);
}
.btn-success:hover { box-shadow: 0 6px 22px rgba(16,185,129,0.38); }

.btn-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(239,68,68,0.25);
}
.btn-danger:hover { box-shadow: 0 6px 22px rgba(239,68,68,0.35); }

.btn-premium {
  background: linear-gradient(135deg, var(--premium-d) 0%, var(--premium) 60%, #fcd34d 100%);
  color: #78350f;
  border: none;
  font-weight: 700;
  box-shadow: 0 4px 18px var(--premium-glow);
}
.btn-premium:hover { box-shadow: 0 8px 28px var(--premium-glow); }

.btn-block { width: 100%; }
.btn-sm    { padding: 7px 15px; font-size: 13px; }
.btn-xs    { padding: 4px 10px; font-size: 12px; border-radius: var(--radius-xs); }

/* ============================================================
   Alerts / Flash messages
   ============================================================ */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  font-size: 14px;
  border-left: 4px solid;
  display: flex;
  align-items: flex-start;
  gap: 9px;
}
.alert p { margin: 2px 0; }
.alert-success { background: var(--success-l); border-color: var(--success); color: #065f46; }
.alert-danger  { background: var(--danger-l);  border-color: var(--danger);  color: #991b1b; }
.alert-warning { background: var(--warning-l); border-color: var(--warning); color: #9a3412; }
.alert-info    { background: var(--info-l);    border-color: var(--info);    color: #0c4a6e; }

/* ============================================================
   Badges
   ============================================================ */
.badge-plan {
  padding: 4px 13px;
  border-radius: 99px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.badge-free {
  background: #f1f4f8;
  color: #6b7280;
  border: 1px solid #e2e6ef;
}
.badge-premium {
  background: linear-gradient(90deg, rgba(245,158,11,0.15), rgba(252,211,77,0.1));
  color: #92400e;
  border: 1px solid rgba(245,158,11,0.35);
  box-shadow: 0 1px 8px rgba(245,158,11,0.14);
}
.badge-admin {
  background: rgba(139,92,246,0.1);
  color: var(--admin-color);
  border: 1px solid rgba(139,92,246,0.2);
}

.status-badge {
  display: inline-block;
  padding: 3px 11px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 600;
}
.status-pending  { background: var(--warning-l); color: #9a3412; }
.status-approved { background: var(--success-l); color: #065f46; }
.status-rejected { background: var(--danger-l);  color: #991b1b; }

/* ============================================================
   Caption result cards
   ============================================================ */
.results-section { margin-top: 24px; }
.results-section h3 { font-size: 16px; margin-bottom: 14px; font-weight: 700; }

.caption-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.caption-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
}
.caption-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--primary-l);
}
.caption-num  { font-size: 12px; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 0.5px; }
.caption-body { padding: 18px; font-size: 14.5px; line-height: 1.85; white-space: pre-wrap; color: var(--text); }

/* ============================================================
   Upgrade / Pricing page
   ============================================================ */
.upgrade-layout {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 24px;
}

.plan-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}
.plan-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  position: relative;
  transition: all var(--transition-s);
  box-shadow: var(--shadow-sm);
}
.plan-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.plan-card.plan-premium {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(59,130,246,0.1), var(--shadow);
}
.plan-card.plan-active {
  border-color: var(--premium);
  box-shadow: 0 0 0 1px rgba(245,158,11,0.15), var(--shadow);
}
.plan-badge {
  display: inline-block;
  background: var(--bg);
  padding: 3px 13px;
  border-radius: 99px;
  font-size: 11px;
  margin-bottom: 14px;
  color: var(--text-muted);
  font-weight: 600;
}
.plan-badge-premium { background: var(--primary-l); color: var(--primary); }
.plan-card h3   { font-size: 22px; margin-bottom: 8px; font-weight: 800; color: var(--text); }
.plan-price     { font-size: 30px; font-weight: 800; margin-bottom: 18px; color: var(--text); }
.plan-price small { font-size: 14px; font-weight: 400; color: var(--text-muted); }
.plan-features  { list-style: none; text-align: left; font-size: 14px; line-height: 2.1; color: var(--text-sub); }

/* Bank info */
.bank-info {
  background: var(--bg-card2);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}
.bank-info h4 { margin-bottom: 12px; font-size: 14px; font-weight: 700; }
.bank-detail {
  font-size: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  color: var(--text-sub);
}

/* ============================================================
   Admin stats
   ============================================================ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all var(--transition);
  box-shadow: var(--shadow-xs);
}
.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.stat-card.stat-warning { border-color: rgba(249,115,22,0.25); }
.stat-num   { font-size: 36px; font-weight: 800; color: var(--primary); letter-spacing: -1px; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-warning .stat-num { color: var(--warning); }

/* ── Table ── */
.table-responsive { overflow-x: auto; border-radius: var(--radius-sm); }
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.table th {
  padding: 12px 16px;
  text-align: left;
  color: var(--text-muted);
  font-weight: 700;
  border-bottom: 1.5px solid var(--border);
  white-space: nowrap;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.6px;
  background: var(--bg);
}
.table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: middle;
  color: var(--text-sub);
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--primary-l); }

/* Filter tabs */
.filter-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-tab {
  padding: 5px 14px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
  background: #fff;
  text-decoration: none;
  transition: all var(--transition);
}
.filter-tab:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.filter-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }

.empty-state {
  text-align: center;
  padding: 48px 40px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}

.text-muted { color: var(--text-muted); }

/* ============================================================
   Divider
   ============================================================ */
.divider {
  border: none;
  border-top: 1px solid var(--border-soft);
  margin: 24px 0;
}

/* ============================================================
   Animations
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-7px); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(59,130,246,0); }
  50%       { box-shadow: 0 0 22px 4px rgba(59,130,246,0.2); }
}
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
  .dashboard-layout,
  .admin-layout { flex-direction: column; }

  .sidebar {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 10px;
    border-right: none;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  }
  .sidebar-avatar { padding: 0 12px 0 0; border-bottom: none; }
  .sidebar-nav    { display: flex; flex-direction: row; flex-wrap: wrap; padding: 0; }
  .sidebar-link   { padding: 8px 12px; border-left: none; border-bottom: 2px solid transparent; border-radius: 8px; margin: 0; }
  .sidebar-link.active { border-left: none; border-bottom-color: var(--primary); }
  .usage-box      { display: none; }

  .main-content { padding: 24px 16px; max-width: 100%; }

  .stat-grid         { grid-template-columns: repeat(2, 1fr); }
  .tone-grid         { grid-template-columns: 1fr; }
  .plan-compare-grid { grid-template-columns: 1fr; }
  .bank-detail       { grid-template-columns: 1fr; }
  .card-header-flex  { flex-direction: column; align-items: flex-start; }
  .auth-card         { padding: 32px 24px; }
  .navbar            { padding: 0 20px; height: 58px; }
}

@media (max-width: 480px) {
  .stat-grid    { grid-template-columns: 1fr 1fr; }
  .navbar-brand { font-size: 16px; }
  .btn-sm       { padding: 6px 12px; font-size: 12.5px; }
}