/* ============================================================
   ZIPPLYST – Design System v2
   Modern SaaS · Plus Jakarta Sans · Indigo Palette
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  /* Brand */
  --indigo-50:  #eef2ff;
  --indigo-100: #e0e7ff;
  --indigo-200: #c7d2fe;
  --indigo-300: #a5b4fc;
  --indigo-400: #818cf8;
  --indigo-500: #6366f1;
  --indigo-600: #4f46e5;
  --indigo-700: #4338ca;
  --indigo-800: #3730a3;
  --indigo-900: #312e81;

  /* Slate */
  --slate-50:  #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --slate-950: #020617;

  /* Status */
  --emerald-50:  #ecfdf5;
  --emerald-200: #a7f3d0;
  --emerald-500: #10b981;
  --emerald-600: #059669;
  --emerald-700: #047857;

  --red-50:  #fef2f2;
  --red-200: #fecaca;
  --red-500: #ef4444;
  --red-600: #dc2626;

  --amber-50:  #fffbeb;
  --amber-200: #fde68a;
  --amber-600: #d97706;

  /* ── Semantic ── */
  --color-brand:        var(--indigo-600);
  --color-brand-hover:  var(--indigo-700);
  --color-brand-light:  var(--indigo-50);
  --color-brand-border: var(--indigo-200);

  --color-bg:            #f8f9ff;
  --color-surface:       #ffffff;
  --color-surface-raised: #ffffff;
  --color-border:        var(--slate-200);
  --color-border-strong: var(--slate-300);

  --color-text:          var(--slate-900);
  --color-text-muted:    var(--slate-500);
  --color-text-subtle:   var(--slate-400);

  --color-success:       var(--emerald-600);
  --color-success-bg:    var(--emerald-50);
  --color-success-border: var(--emerald-200);

  --color-danger:        var(--red-600);
  --color-danger-bg:     var(--red-50);
  --color-danger-border: var(--red-200);

  /* ── Shape ── */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-2xl: 24px;
  --radius-pill: 9999px;

  /* ── Shadow ── */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.04);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.07), 0 1px 2px -1px rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 12px -2px rgb(0 0 0 / 0.08), 0 2px 6px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 30px -4px rgb(0 0 0 / 0.10), 0 4px 10px -4px rgb(0 0 0 / 0.06);
  --shadow-xl: 0 20px 50px -8px rgb(0 0 0 / 0.12), 0 8px 20px -6px rgb(0 0 0 / 0.06);
  --shadow-brand: 0 4px 14px 0 rgb(79 70 229 / 0.30);

  /* ── Motion ── */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 140ms;
  --dur-base: 200ms;
  --dur-slow: 320ms;

  /* ── Type ── */
  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }

a {
  color: var(--color-brand);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
a:hover { color: var(--color-brand-hover); }

/* ── Layout ──────────────────────────────────────────────── */
.wrap {
  width: 100%;
  max-width: 1020px;
  margin: 0 auto;
  padding: 0 24px;
}

.wrap--narrow { max-width: 640px; }
.wrap--xs     { max-width: 460px; }

/* ── Navigation ──────────────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  height: 60px;
  gap: 8px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo__mark {
  width: 32px;
  height: 32px;
  background: var(--color-brand);
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: -0.5px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgb(79 70 229 / 0.35);
}

.nav-logo__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.3px;
}

.nav-logo:hover .nav-logo__name { color: var(--color-brand); }

/* Nav spacer */
.nav-spacer { flex: 1; }

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-links a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--dur-fast) var(--ease);
  text-decoration: none;
}
.nav-links a:hover {
  color: var(--color-text);
  background: var(--slate-100);
}

/* Dark mode toggle */
.btn-theme {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px 9px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  color: var(--color-text-muted);
  transition: all var(--dur-fast) var(--ease);
  margin-left: 4px;
}
.btn-theme:hover {
  background: var(--slate-100);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  font-family: var(--font);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.4;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--dur-base) var(--ease);
  position: relative;
  overflow: hidden;
}

.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; pointer-events: none; }

.btn-primary {
  background: var(--color-brand);
  color: #fff;
  border-color: var(--color-brand);
  box-shadow: var(--shadow-brand);
}
.btn-primary:hover {
  background: var(--color-brand-hover);
  border-color: var(--color-brand-hover);
  color: #fff;
  box-shadow: 0 6px 20px 0 rgb(79 70 229 / 0.38);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
  background: var(--slate-50);
  border-color: var(--slate-300);
  color: var(--color-text);
}

.btn-ghost {
  background: transparent;
  color: var(--color-brand);
  border-color: var(--color-brand-border);
}
.btn-ghost:hover { background: var(--color-brand-light); }

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}
.btn-danger:hover { background: #b91c1c; color: #fff; }

.btn-nav-cta {
  background: var(--color-brand);
  color: #fff;
  border-color: var(--color-brand);
  padding: 7px 16px;
  font-size: 13px;
  border-radius: var(--radius-sm);
  box-shadow: none;
}
.btn-nav-cta:hover { background: var(--color-brand-hover); color: #fff; box-shadow: none; transform: none; }

.btn-sm  { padding: 6px 12px; font-size: 12.5px; border-radius: var(--radius-sm); }
.btn-lg  { padding: 12px 28px; font-size: 15px; border-radius: var(--radius-lg); }
.btn-full { width: 100%; }

/* Legacy button class support */
button.primary   { composes: btn; background: var(--color-brand); color: #fff; border: none; }
button.secondary { background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-border-strong); }
button.accent    { background: var(--emerald-500); color: #fff; border: none; }
button.danger    { background: var(--color-danger); color: #fff; border: none; }

/* ── Form elements ───────────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--slate-600);
  letter-spacing: 0.01em;
  margin-bottom: 6px;
}

label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--slate-600);
  letter-spacing: 0.01em;
  margin-bottom: 6px;
  margin-top: 0;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 9px 13px;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.5;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast);
  -webkit-appearance: none;
  appearance: none;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgb(79 70 229 / 0.12);
  background: var(--color-surface);
}

input::placeholder,
textarea::placeholder { color: var(--slate-400); }

textarea {
  resize: vertical;
  min-height: 180px;
  line-height: 1.65;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
  cursor: pointer;
}

/* ── Page shell ──────────────────────────────────────────── */
.page-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.page-main {
  flex: 1;
  padding: 40px 0 64px;
}

/* ── Card ────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.card-body { padding: 28px; }
.card-body--compact { padding: 20px 24px; }

/* ── Section labels ──────────────────────────────────────── */
.section-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-brand);
  margin-bottom: 8px;
}

.page-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.6px;
  color: var(--color-text);
  line-height: 1.25;
}

.page-subtitle {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 6px;
  line-height: 1.6;
}

/* ── Status / Alert ──────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 20px;
}

.alert-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.alert-error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid var(--color-danger-border);
}

.alert-warning {
  background: var(--amber-50);
  color: var(--amber-600);
  border: 1px solid var(--amber-200);
}

#statusMessage {
  display: none;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 500;
  margin-top: 16px;
  line-height: 1.5;
}
#statusMessage.success {
  display: block;
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}
#statusMessage.error {
  display: block;
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid var(--color-danger-border);
}

/* Status from PHP (GET params) */
.status.success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 20px;
}
.status.error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid var(--color-danger-border);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 20px;
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  padding: 52px 0 36px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-brand-light);
  color: var(--indigo-700);
  border: 1px solid var(--color-brand-border);
  border-radius: var(--radius-pill);
  padding: 4px 14px 4px 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-brand);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.18;
  color: var(--color-text);
  margin-bottom: 14px;
}

.hero-title-accent {
  color: var(--color-brand);
}

.hero-desc {
  font-size: 15px;
  color: var(--color-text-muted);
  max-width: 430px;
  margin: 0 auto 24px;
  line-height: 1.7;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 32px;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 5px 13px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--color-text-muted);
  box-shadow: var(--shadow-xs);
}

.hero-chip-icon {
  font-size: 13px;
}

/* ── Note Form (compact, SaaS style) ─────────────────────── */
.note-form-wrap {
  max-width: 740px;
  margin: 0 auto;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.note-form-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 20px 0;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.btn-row-end { margin-left: auto; }

.hp-field { display: none !important; }

.privacy-row {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.privacy-row input[type="checkbox"] {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  margin-top: 3px;
  accent-color: var(--color-brand);
  cursor: pointer;
}

.privacy-row label {
  font-size: 12.5px;
  font-weight: 400;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.55;
  cursor: pointer;
}

/* Premium fieldset */
fieldset.premium-block {
  border: 1.5px solid var(--amber-200);
  background: var(--amber-50);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin: 12px 0;
}

fieldset.premium-block legend {
  font-size: 12px;
  font-weight: 700;
  color: var(--amber-600);
  letter-spacing: 0.04em;
  padding: 0 6px;
}

/* ── Dashboard ───────────────────────────────────────────── */
.dash-header {
  margin-bottom: 32px;
}

.dash-user-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.dash-welcome {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-subtle);
  margin-bottom: 4px;
}

.dash-stats {
  display: flex;
  gap: 24px;
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.dash-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dash-stat-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-brand);
  letter-spacing: -0.5px;
  line-height: 1;
}

.dash-stat-label {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.dash-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
}

.dash-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  text-decoration: none;
  color: var(--color-text);
  display: block;
  transition: all var(--dur-base) var(--ease);
  position: relative;
  overflow: hidden;
}

.dash-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-brand);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease);
}

.dash-card:hover {
  border-color: var(--indigo-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--color-text);
}

.dash-card:hover::before { opacity: 1; }

.dash-card-icon {
  width: 42px;
  height: 42px;
  background: var(--color-brand-light);
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  font-size: 18px;
  margin-bottom: 14px;
}

.dash-card h3 {
  font-size: 14.5px;
  font-weight: 700;
  margin-bottom: 5px;
  letter-spacing: -0.2px;
}

.dash-card p {
  font-size: 12.5px;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.dash-card.danger .dash-card-icon { background: var(--red-50); }
.dash-card.danger:hover { border-color: var(--red-200); }
.dash-card.danger::before { background: var(--red-500); }

/* ── Notes list ──────────────────────────────────────────── */
.notes-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.notes-count {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.notes-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.note-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: start;
  transition: all var(--dur-fast) var(--ease);
}

.note-card:hover {
  border-color: var(--indigo-200);
  box-shadow: var(--shadow-sm);
}

.note-card-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 5px;
  letter-spacing: -0.2px;
}

.note-card-preview {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 8px;
}

.note-card-meta {
  font-size: 11.5px;
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
}

.note-card-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.note-card-actions .inline-form { display: contents; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  background: var(--color-surface);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-xl);
}

.empty-state-icon {
  font-size: 40px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h2 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 13.5px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

/* ── Auth pages ──────────────────────────────────────────── */
.auth-shell {
  min-height: calc(100vh - 60px);
  display: grid;
  place-items: center;
  padding: 32px 16px;
  background: var(--color-bg);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  padding: 36px 32px;
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  justify-content: center;
  margin-bottom: 28px;
}

.auth-logo-mark {
  width: 36px;
  height: 36px;
  background: var(--color-brand);
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  box-shadow: var(--shadow-brand);
}

.auth-logo-name {
  font-size: 17px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.4px;
}

.auth-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 6px;
}

.auth-subtitle {
  font-size: 13.5px;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: 28px;
  line-height: 1.6;
}

.auth-foot {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.auth-foot a { font-weight: 600; }

.input-hint {
  font-size: 11.5px;
  color: var(--color-text-subtle);
  margin-top: 5px;
}

/* ── Profile tabs ────────────────────────────────────────── */
.tab-bar {
  display: flex;
  gap: 2px;
  border-bottom: 1.5px solid var(--color-border);
  margin-bottom: 28px;
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1.5px;
  padding: 10px 16px;
  font-family: var(--font);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: all var(--dur-fast) var(--ease);
}

.tab-btn:hover { color: var(--color-text); background: var(--slate-50); transform: none; }

.tab-btn.active {
  color: var(--color-brand);
  border-bottom-color: var(--color-brand);
  background: none;
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 0;
  flex-wrap: wrap;
}

.footer-brand {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-subtle);
  letter-spacing: -0.2px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 13px;
  color: var(--color-text-muted);
}
.footer-links a:hover { color: var(--color-brand); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 680px) {
  .wrap { padding: 0 16px; }

  .hero { padding: 36px 0 28px; }
  .hero-title { font-size: 26px; letter-spacing: -0.6px; }

  .page-main { padding: 28px 0 48px; }

  .card-body { padding: 20px 18px; }
  .auth-card { padding: 28px 20px; }

  .form-row-2, .form-row-3 { grid-template-columns: 1fr; }

  .btn-row { flex-direction: column; }
  .btn-row .btn { width: 100%; }
  .btn-row-end { margin-left: 0; }

  .dash-grid { grid-template-columns: 1fr 1fr; }

  .dash-stats { gap: 16px; flex-wrap: wrap; }

  .note-card {
    grid-template-columns: 1fr;
  }
  .note-card-actions { flex-direction: row; }

  .site-footer__inner { flex-direction: column; align-items: flex-start; gap: 8px; }

  .nav-links a { padding: 6px 8px; font-size: 13px; }
}

@media (max-width: 420px) {
  .dash-grid { grid-template-columns: 1fr; }
  .hero-chips { display: none; }
}

/* ── Util ────────────────────────────────────────────────── */
.text-muted  { color: var(--color-text-muted); }
.text-sm     { font-size: 13px; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }