/* ═══════════════════════════════════════════════════════
   Party Planner – Complete Design System
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ── Design Tokens ──────────────────────────────────────── */
:root {
  /* Surfaces */
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface2: #f1f5f9;
  --topbar-bg: rgba(247, 248, 250, .92);

  /* Text */
  --text: #0f172a;
  --text2: #334155;
  --muted: #64748b;
  --on-primary: #fff;
  --placeholder: #94a3b8;

  /* Borders */
  --border: rgba(15, 23, 42, .10);
  --border2: rgba(15, 23, 42, .18);

  /* Primary (Blue 600 / 700) */
  --primary: #2563eb;
  --primary2: #1d4ed8;
  --primary-light: rgba(37, 99, 235, .10);

  /* Semantic */
  --success: #10b981;
  --success2: #059669;
  --success-light: rgba(16, 185, 129, .12);
  --success-text: #047857;
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, .12);
  --warning-text: #92400e;
  --danger: #ef4444;
  --danger2: #dc2626;
  --danger-light: rgba(239, 68, 68, .10);
  --danger-text: #b91c1c;

  /* Semantic surface colors (for invite links, pills, etc.) */
  --whatsapp-bg: #dcfce7; --whatsapp-text: #166534;
  --telegram-bg: #e0f2fe; --telegram-text: #0369a1;
  --email-bg: #eff6ff;    --email-text: #1d4ed8;
  --verify-banner-bg: #fef3c7; --verify-banner-text: #92400e;

  /* Toast backgrounds */
  --toast-bg: #0f172a;
  --toast-success-bg: #064e3b;
  --toast-error-bg: #7f1d1d;
  --toast-warning-bg: #78350f;

  /* Chart colors */
  --chart-confirmed: #10b981;
  --chart-declined: #ef4444;
  --chart-invited: #3b82f6;
  --chart-no-answer: #cbd5e1;

  /* Hover / overlay */
  --hover: rgba(15, 23, 42, .05);
  --hover2: rgba(15, 23, 42, .04);
  --overlay: rgba(15, 23, 42, .45);
  --mobile-overlay: rgba(15, 23, 42, .3);
  --card-hover-border: rgba(37, 99, 235, .20);
  --table-row-hover: rgba(37, 99, 235, .025);
  --tabs-bg: rgba(15, 23, 42, .03);

  /* Status */
  --status-completed-bg: rgba(100, 116, 139, .10);
  --status-cancelled-bg: rgba(239, 68, 68, .08);

  /* Shadows */
  --shadow: 0 1px 3px rgba(15, 23, 42, .08);
  --shadow2: 0 4px 16px rgba(15, 23, 42, .10);
  --shadow3: 0 12px 40px rgba(15, 23, 42, .14);
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 20px;
  --pad: 20px;
  --gap: 14px;
  --focus: 0 0 0 3px rgba(37, 99, 235, .20);
  --topbar-h: 60px;
  --transition: all .15s ease;

  /* Z-index scale */
  --z-topbar: 100;
  --z-mobile-overlay: 150;
  --z-mobile-nav: 200;
  --z-modal: 500;
  --z-toast: 600;
  --z-dropdown: 1000;

  /* Hero gradients */
  --hero-grad1: rgba(37, 99, 235, .12);
  --hero-grad2: rgba(99, 102, 241, .08);
  --auth-grad: rgba(37, 99, 235, .07);

  /* Lang dropdown */
  --lang-btn-bg: #fff;
  --lang-btn-border: rgba(15, 23, 42, .12);
  --lang-btn-shadow: 0 1px 3px rgba(15, 23, 42, .08);
  --lang-btn-hover-bg: #f1f5f9;
  --lang-btn-hover-shadow: 0 2px 6px rgba(15, 23, 42, .12);
  --lang-menu-bg: #fff;
  --lang-menu-border: rgba(15, 23, 42, .10);
  --lang-menu-shadow: 0 4px 6px -1px rgba(15, 23, 42, .08), 0 10px 24px -4px rgba(15, 23, 42, .14);
  --lang-focus-outline: rgba(37, 99, 235, .45);

  /* Delete card border */
  --danger-card-border: rgba(239, 68, 68, .3);

  /* Pill borders */
  --pill-bg: rgba(15, 23, 42, .04);
  --pill-primary-border: rgba(37, 99, 235, .25);
  --pill-success-border: rgba(16, 185, 129, .25);
  --pill-warning-border: rgba(245, 158, 11, .25);
  --pill-danger-border: rgba(239, 68, 68, .25);

  color-scheme: light;
}

/* ── Dark Theme ────────────────────────────────────────── */
[data-theme="dark"] {
  /* Surfaces — MD3 dark surface tones */
  --bg: #111318;
  --surface: #1c1f26;
  --surface2: #252830;
  --topbar-bg: rgba(28, 31, 38, .92);

  /* Text */
  --text: #e2e5eb;
  --text2: #b0b5bf;
  --muted: #7d8491;
  --on-primary: #fff;
  --placeholder: #555b66;

  /* Borders */
  --border: rgba(255, 255, 255, .08);
  --border2: rgba(255, 255, 255, .14);

  /* Primary — lighter blue for dark surfaces (MD3 primary80) */
  --primary: #6fa0f7;
  --primary2: #8db4fa;
  --primary-light: rgba(111, 160, 247, .12);

  /* Semantic — brighter for dark backgrounds */
  --success: #34d399;
  --success2: #10b981;
  --success-light: rgba(52, 211, 153, .14);
  --success-text: #6ee7b7;
  --warning: #fbbf24;
  --warning-light: rgba(251, 191, 36, .14);
  --warning-text: #fcd34d;
  --danger: #f87171;
  --danger2: #ef4444;
  --danger-light: rgba(248, 113, 113, .12);
  --danger-text: #fca5a5;

  /* Semantic surfaces */
  --whatsapp-bg: rgba(52, 211, 153, .12); --whatsapp-text: #6ee7b7;
  --telegram-bg: rgba(56, 189, 248, .12); --telegram-text: #7dd3fc;
  --email-bg: rgba(111, 160, 247, .12);   --email-text: #93bbfc;
  --verify-banner-bg: rgba(251, 191, 36, .14); --verify-banner-text: #fcd34d;

  /* Toast backgrounds */
  --toast-bg: #e2e5eb;
  --toast-success-bg: #065f46;
  --toast-error-bg: #991b1b;
  --toast-warning-bg: #92400e;

  /* Chart colors — same hues, higher luminance */
  --chart-confirmed: #34d399;
  --chart-declined: #f87171;
  --chart-invited: #60a5fa;
  --chart-no-answer: #475569;

  /* Hover / overlay */
  --hover: rgba(255, 255, 255, .06);
  --hover2: rgba(255, 255, 255, .04);
  --overlay: rgba(0, 0, 0, .55);
  --mobile-overlay: rgba(0, 0, 0, .4);
  --card-hover-border: rgba(111, 160, 247, .25);
  --table-row-hover: rgba(111, 160, 247, .04);
  --tabs-bg: rgba(255, 255, 255, .03);

  /* Status */
  --status-completed-bg: rgba(125, 132, 145, .12);
  --status-cancelled-bg: rgba(248, 113, 113, .10);

  /* Shadows — darker, more diffuse */
  --shadow: 0 1px 3px rgba(0, 0, 0, .25);
  --shadow2: 0 4px 16px rgba(0, 0, 0, .30);
  --shadow3: 0 12px 40px rgba(0, 0, 0, .40);
  --focus: 0 0 0 3px rgba(111, 160, 247, .30);

  /* Hero gradients */
  --hero-grad1: rgba(111, 160, 247, .08);
  --hero-grad2: rgba(129, 140, 248, .06);
  --auth-grad: rgba(111, 160, 247, .05);

  /* Lang dropdown */
  --lang-btn-bg: var(--surface);
  --lang-btn-border: rgba(255, 255, 255, .10);
  --lang-btn-shadow: 0 1px 3px rgba(0, 0, 0, .20);
  --lang-btn-hover-bg: var(--surface2);
  --lang-btn-hover-shadow: 0 2px 6px rgba(0, 0, 0, .25);
  --lang-menu-bg: var(--surface);
  --lang-menu-border: rgba(255, 255, 255, .08);
  --lang-menu-shadow: 0 4px 6px -1px rgba(0, 0, 0, .20), 0 10px 24px -4px rgba(0, 0, 0, .30);
  --lang-focus-outline: rgba(111, 160, 247, .45);

  /* Delete card border */
  --danger-card-border: rgba(248, 113, 113, .35);

  /* Pill borders */
  --pill-bg: rgba(255, 255, 255, .06);
  --pill-primary-border: rgba(111, 160, 247, .30);
  --pill-success-border: rgba(52, 211, 153, .30);
  --pill-warning-border: rgba(251, 191, 36, .30);
  --pill-danger-border: rgba(248, 113, 113, .30);

  color-scheme: dark;
}

/* Dark-theme toast text inversion (dark bg in light → light bg in dark) */
[data-theme="dark"] .toast { background: var(--toast-bg); color: var(--bg); }
[data-theme="dark"] .toast.success { background: var(--toast-success-bg); color: #fff; }
[data-theme="dark"] .toast.error   { background: var(--toast-error-bg);   color: #fff; }
[data-theme="dark"] .toast.warning { background: var(--toast-warning-bg); color: #fff; }

/* ── Reset & Base ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
h1, h2, h3, h4 { margin: 0; letter-spacing: -.02em; }
h1 { font-size: 28px; line-height: 1.2; }
h2 { font-size: 20px; }
h3 { font-size: 17px; }
p { margin: 0; }
hr { border: 0; border-top: 1px solid var(--border); margin: 12px 0; }
img { max-width: 100%; }

/* ── Topbar ─────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: var(--z-topbar);
  height: var(--topbar-h);
  background: var(--topbar-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 var(--pad);
  height: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.brand-link {
  font-weight: 700; font-size: 18px; letter-spacing: -.03em;
  display: flex; align-items: center; gap: 6px;
  color: var(--text);
}
.nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 7px 11px; border-radius: var(--r-sm); cursor: pointer;
  color: var(--muted); font-weight: 500; font-size: 14px;
  transition: var(--transition); border: none; background: none;
  display: inline-block;
}
.nav-link:hover { color: var(--text); background: var(--hover); }
.nav-link.active { color: var(--primary); background: var(--primary-light); }

/* hamburger (mobile) */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

/* Mobile nav drawer */
.mobile-nav {
  display: none; position: fixed; top: var(--topbar-h); left: 0; width: 240px; height: calc(100vh - var(--topbar-h));
  background: var(--surface); border-right: 1px solid var(--border); box-shadow: var(--shadow3);
  padding: 16px; flex-direction: column; gap: 4px; z-index: var(--z-mobile-nav);
  transform: translateX(-100%); transition: transform .2s ease;
}
.mobile-nav.open { transform: translateX(0); display: flex; }
.mobile-overlay {
  display: none; position: fixed; inset: 0; background: var(--mobile-overlay);
  z-index: var(--z-mobile-overlay);
}
.mobile-overlay.open { display: block; }

/* ── Layout ─────────────────────────────────────────────── */
.main-content {
  max-width: 1200px; margin: 0 auto;
  padding: var(--pad);
  min-height: calc(100vh - var(--topbar-h));
}
.page-center {
  display: flex; align-items: center; justify-content: center;
  min-height: 60vh;
}
.container { max-width: 560px; }
.stack { display: grid; gap: var(--gap); }
.stack-sm { display: grid; gap: 8px; }
.row { display: flex; gap: var(--gap); align-items: center; flex-wrap: wrap; }
.row-end { display: flex; gap: 8px; align-items: center; justify-content: flex-end; flex-wrap: wrap; }
.space-between { display: flex; align-items: center; justify-content: space-between; gap: var(--gap); flex-wrap: wrap; }
.grid-2 { display: grid; gap: var(--gap); grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { display: grid; gap: var(--gap); grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { display: grid; gap: var(--gap); grid-template-columns: repeat(4, minmax(0,1fr)); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 600px) {
  h1 { font-size: 22px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hamburger { display: flex; }
  .nav { display: none; }
  .main-content { padding: 14px; }
}

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  padding: var(--pad);
}
.card-sm { padding: 14px; }
.card-soft { background: var(--surface2); }
.card-hover { transition: var(--transition); cursor: pointer; }
.card-hover:hover { box-shadow: var(--shadow2); transform: translateY(-1px); border-color: var(--card-hover-border); }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border-radius: var(--r-md); cursor: pointer;
  font-weight: 600; font-size: 14px; border: 1px solid transparent;
  background: var(--primary); color: var(--on-primary); box-shadow: var(--shadow);
  transition: var(--transition); white-space: nowrap;
  font-family: inherit;
}
.btn:hover { background: var(--primary2); }
.btn:active { transform: translateY(1px); }
.btn:focus { outline: none; box-shadow: var(--focus); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: var(--r-sm); }
.btn-lg { padding: 12px 22px; font-size: 16px; border-radius: var(--r-lg); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); box-shadow: none; }
.btn-ghost:hover { background: var(--hover); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: var(--danger2); }
.btn-success { background: var(--success); }
.btn-success:hover { background: var(--success2); }
.btn-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: var(--r-sm);
  border: 1px solid var(--border); background: transparent;
  cursor: pointer; color: var(--muted); font-size: 16px;
  transition: var(--transition);
}
.btn-icon:hover { background: var(--hover); color: var(--text); }
.btn-full { width: 100%; justify-content: center; }

/* ── Forms ──────────────────────────────────────────────── */
.form { display: grid; gap: 14px; }
.field { display: grid; gap: 5px; }
label { font-size: 13px; font-weight: 500; color: var(--text2); }
.label-required::after { content: ' *'; color: var(--danger); }
input, select, textarea {
  width: 100%; border: 1.5px solid var(--border2);
  border-radius: var(--r-md); padding: 9px 12px;
  background: var(--surface); color: var(--text);
  font-family: inherit; font-size: 14px;
  transition: var(--transition);
}
textarea { min-height: 88px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: none; box-shadow: var(--focus); border-color: var(--primary);
}
input::placeholder, textarea::placeholder { color: var(--placeholder); }
.field-error input, .field-error select, .field-error textarea { border-color: var(--danger); }
.field-error-msg { font-size: 12px; color: var(--danger); }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }

/* ── Tabs ───────────────────────────────────────────────── */
.tabs {
  display: flex; flex-wrap: wrap; gap: 4px;
  padding: 5px; border-radius: var(--r-lg); border: 1px solid var(--border);
  background: var(--tabs-bg);
}
.tab {
  padding: 8px 14px; border-radius: var(--r-md); cursor: pointer;
  color: var(--muted); font-weight: 600; font-size: 13px; border: none;
  background: transparent; transition: var(--transition); font-family: inherit;
}
.tab:hover { color: var(--text); background: var(--hover2); }
.tab.active {
  color: var(--text); background: var(--surface);
  border: 1px solid var(--border); box-shadow: var(--shadow);
}

/* ── Table ──────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--r-lg); border: 1px solid var(--border); }
table {
  width: 100%; border-collapse: collapse;
  background: var(--surface);
}
table th {
  padding: 10px 14px; text-align: left; font-size: 12px; font-weight: 600;
  letter-spacing: .03em; text-transform: uppercase; color: var(--muted);
  background: var(--surface2); border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table td {
  padding: 12px 14px; font-size: 14px; border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table tr:last-child td { border-bottom: 0; }
table tr:hover td { background: var(--table-row-hover); }
table tr { cursor: pointer; }

/* ── Pills / Badges ─────────────────────────────────────── */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600;
  border: 1px solid var(--border); background: var(--pill-bg); color: var(--muted);
  white-space: nowrap;
}
.pill-primary { background: var(--primary-light); border-color: var(--pill-primary-border); color: var(--primary2); }
.pill-success { background: var(--success-light); border-color: var(--pill-success-border); color: var(--success-text); }
.pill-warning { background: var(--warning-light); border-color: var(--pill-warning-border); color: var(--warning-text); }
.pill-danger  { background: var(--danger-light);  border-color: var(--pill-danger-border);  color: var(--danger-text); }

.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--placeholder); }
.dot-success { background: var(--success); }
.dot-warning { background: var(--warning); }
.dot-danger  { background: var(--danger); }
.dot-primary { background: var(--primary); }

/* ── Progress Bar ───────────────────────────────────────── */
.progress-bar { height: 8px; border-radius: 99px; background: var(--surface2); overflow: hidden; }
.progress-fill { height: 100%; border-radius: 99px; background: var(--primary); transition: width .4s ease; }
.progress-fill.warn { background: var(--warning); }
.progress-fill.danger { background: var(--danger); }

/* ── KPI Card ───────────────────────────────────────────── */
.kpi { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.kpi-num { font-size: 28px; font-weight: 700; letter-spacing: -.04em; line-height: 1; }
.kpi-label { font-size: 12px; color: var(--muted); margin-top: 3px; }

/* ── Hero (landing) ─────────────────────────────────────── */
.hero {
  border-radius: var(--r-xl); padding: 32px;
  background: radial-gradient(900px 300px at 0% 0%, var(--hero-grad1), transparent 55%),
              radial-gradient(900px 300px at 100% 0%, var(--hero-grad2), transparent 55%),
              var(--surface);
  border: 1px solid var(--border); box-shadow: var(--shadow3);
}
.hero h1 { font-size: 36px; }
.hero p { font-size: 17px; color: var(--muted); max-width: 520px; }
.hero-actions { margin-top: 22px; display: flex; gap: 10px; flex-wrap: wrap; }

/* ── Event card ─────────────────────────────────────────── */
.event-card { display: grid; gap: 12px; }
.event-card-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.event-card-meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.event-card-actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }

/* ── Task item ──────────────────────────────────────────── */
.task-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: var(--r-md);
  background: var(--surface); border: 1px solid var(--border);
  cursor: pointer; transition: var(--transition);
}
.task-item:hover { box-shadow: var(--shadow); border-color: var(--card-hover-border); }
.task-checkbox {
  width: 18px; height: 18px; border-radius: 5px;
  border: 2px solid var(--border2); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.task-checkbox.done { background: var(--success); border-color: var(--success); color: var(--on-primary); font-size: 11px; }
.task-checkbox.in_progress { background: var(--primary-light); border-color: var(--primary); }
.task-name { flex: 1; font-weight: 500; }
.task-name.done { text-decoration: line-through; color: var(--muted); }
.task-meta { font-size: 12px; color: var(--muted); white-space: nowrap; }
.task-group-label {
  font-size: 13px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--muted); padding: 4px 0;
}

/* ── Schedule slot ──────────────────────────────────────── */
.slot-card {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px; border-radius: var(--r-md);
  background: var(--surface); border: 1px solid var(--border);
  cursor: pointer; transition: var(--transition);
}
.slot-card:hover { box-shadow: var(--shadow); border-color: var(--card-hover-border); }
.slot-time {
  font-size: 13px; font-weight: 700; color: var(--primary);
  min-width: 110px; white-space: nowrap;
}
.slot-body { flex: 1; }
.slot-desc { font-weight: 500; }
.slot-meta { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ── Modal ──────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; background: var(--overlay);
  display: flex; align-items: flex-end; justify-content: center;
  z-index: var(--z-modal); padding: 20px;
  backdrop-filter: blur(4px);
  animation: fade-in .15s ease;
}
@media (min-width: 600px) {
  .modal-backdrop { align-items: center; }
}
.modal {
  background: var(--surface); border-radius: var(--r-xl);
  box-shadow: var(--shadow3); width: 100%; max-width: 560px;
  max-height: 90vh; display: flex; flex-direction: column;
  animation: slide-up .2s ease;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px 14px; border-bottom: 1px solid var(--border);
}
.modal-body { overflow-y: auto; padding: 20px; }
.modal-close { margin-left: 10px; }

/* ── Toast ──────────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 20px; right: 20px; z-index: var(--z-toast);
  display: flex; flex-direction: column; gap: 8px; align-items: flex-end;
}
.toast {
  background: var(--toast-bg); color: var(--on-primary);
  padding: 11px 16px; border-radius: var(--r-md); font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow3); animation: slide-in .2s ease;
  max-width: 320px; line-height: 1.4;
}
.toast.success { background: var(--toast-success-bg); border-left: 3px solid var(--success); }
.toast.error   { background: var(--toast-error-bg);   border-left: 3px solid var(--danger); }
.toast.warning { background: var(--toast-warning-bg); border-left: 3px solid var(--warning); }

/* ── Spinner ────────────────────────────────────────────── */
.spinner {
  width: 36px; height: 36px; border-radius: 50%;
  border: 3px solid var(--border2); border-top-color: var(--primary);
  animation: spin .7s linear infinite;
}
.spinner-sm { width: 18px; height: 18px; border-width: 2px; }

/* ── Empty state ────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 48px 20px;
  color: var(--muted);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state h3 { color: var(--text2); margin-bottom: 6px; }
.empty-state p { font-size: 14px; }

/* ── Auth page ──────────────────────────────────────────── */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 20px;
  background: radial-gradient(900px 600px at 50% 0%, var(--auth-grad), transparent 60%), var(--bg);
}
.auth-box {
  width: 100%; max-width: 420px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 32px; box-shadow: var(--shadow3);
}
.auth-logo { text-align: center; font-size: 32px; font-weight: 700; margin-bottom: 24px; letter-spacing: -.03em; }

/* ── Utility ────────────────────────────────────────────── */
.muted { color: var(--muted); }
.small { font-size: 13px; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-success { color: var(--success-text); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning-text); }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mb-4 { margin-bottom: 4px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }

/* event header in detail view */
.event-header-card { padding: 18px 20px; }
.event-header-card h1 { font-size: 22px; }

/* inline edit */
.inline-edit { border: none; background: transparent; font: inherit; padding: 0; width: 100%; }
.inline-edit:focus { outline: 2px solid var(--primary); border-radius: 4px; padding: 2px 4px; }

/* status indicators */
.status-planned  { --s-bg: var(--primary-light); --s-c: var(--primary2); --s-b: var(--pill-primary-border); }
.status-active   { --s-bg: var(--success-light); --s-c: var(--success-text); --s-b: var(--pill-success-border); }
.status-completed{ --s-bg: var(--status-completed-bg); --s-c: var(--muted); --s-b: var(--border); }
.status-cancelled{ --s-bg: var(--status-cancelled-bg); --s-c: var(--danger2); --s-b: var(--pill-danger-border); }
.status-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 700;
  background: var(--s-bg); color: var(--s-c); border: 1px solid var(--s-b);
  text-transform: uppercase; letter-spacing: .04em;
}

/* ── Animations ─────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes slide-up { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes slide-in { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fade-out { to { opacity: 0; } }

/* ── Language dropdown ──────────────────────────────────── */

.lang-dropdown {
  position: relative;
  flex-shrink: 0;
}

.lang-dropdown-btn {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px 5px 8px;
  border-radius: 8px;
  border: 1px solid var(--lang-btn-border);
  background: var(--lang-btn-bg);
  box-shadow: var(--lang-btn-shadow);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: background .15s, box-shadow .15s;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}

.lang-dropdown-btn:hover {
  background: var(--lang-btn-hover-bg);
  box-shadow: var(--lang-btn-hover-shadow);
}

.lang-dropdown-btn:focus-visible {
  outline: 3px solid var(--lang-focus-outline);
  outline-offset: 2px;
}

.lang-flag {
  font-size: 18px;
  line-height: 1;
}

.lang-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .01em;
}

.lang-caret {
  font-size: 11px;
  color: var(--muted);
  transition: transform .2s ease;
  margin-left: 2px;
}

.lang-dropdown.open .lang-caret {
  transform: rotate(180deg);
}

/* Dropdown menu */
.lang-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 160px;
  background: var(--lang-menu-bg);
  border: 1px solid var(--lang-menu-border);
  border-radius: 10px;
  box-shadow: var(--lang-menu-shadow);
  padding: 5px;
  list-style: none;
  margin: 0;
  z-index: var(--z-dropdown);
  animation: fade-in .15s ease;
}

.lang-dropdown.open .lang-dropdown-menu {
  display: block;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  transition: background .12s;
}

.lang-option:hover {
  background: var(--lang-btn-hover-bg);
}

.lang-option .lang-flag {
  font-size: 20px;
}

.lang-option-label {
  flex: 1;
  letter-spacing: .01em;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 700;
}

.lang-check {
  font-size: 13px;
  color: var(--primary);
  font-weight: 700;
  opacity: 0;
}

.lang-option.active .lang-check {
  opacity: 1;
}

/* Mobile drawer variant */
.mobile-nav .lang-dropdown {
  width: 100%;
}

.mobile-nav .lang-dropdown-btn {
  width: 100%;
  justify-content: flex-start;
  padding: 10px 14px;
  font-size: 15px;
}

.mobile-nav .lang-dropdown-menu {
  left: 0;
  right: 0;
  min-width: unset;
}

/* ── Print ──────────────────────────────────────────────── */
@media print {
  .topbar, .btn, .modal-backdrop, .toast-container { display: none !important; }
  .main-content { padding: 0; }
}

/* ── RSVP doughnut chart ────────────────────────────────── */
.rsvp-chart-wrap {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px 20px;
  width: fit-content;
}
.rsvp-donut { flex-shrink: 0; }
.rsvp-donut-center {
  font-size: 18px;
  font-weight: 700;
  fill: var(--text);
}
.rsvp-legend { display: flex; flex-direction: column; gap: 8px; }
.rsvp-legend-item { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.rsvp-legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.rsvp-legend-label { flex: 1; color: var(--text); }
.rsvp-legend-count { font-weight: 700; color: var(--text); min-width: 20px; text-align: right; }

/* ── Invite links ───────────────────────────────────────── */
.invite-links { display: flex; gap: 6px; flex-wrap: wrap; }
.invite-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity .15s;
}
.invite-link:hover { opacity: .8; }
.invite-link.whatsapp { background: var(--whatsapp-bg); color: var(--whatsapp-text); }
.invite-link.telegram { background: var(--telegram-bg); color: var(--telegram-text); }
.invite-link.email    { background: var(--email-bg);    color: var(--email-text); }

/* ── Share modal ────────────────────────────────────────── */
.share-url-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.share-url-input {
  flex: 1;
  font-size: 13px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg);
  color: var(--muted);
  cursor: text;
  min-width: 0;
}

/* ── Share public view ──────────────────────────────────── */
.event-hist-item:hover { background: var(--surface2); }
.share-view { max-width: 800px; margin: 0 auto; }
.share-header { position: relative; }
.share-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--warning-light);
  color: var(--warning-text);
  border: 1px solid var(--pill-warning-border);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

/* ── Skip link (a11y) ───────────────────────────────────── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 10000;
  padding: 10px 16px;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
  border-radius: var(--r-sm);
  text-decoration: none;
}
.skip-link:focus {
  position: fixed;
  top: 8px;
  left: 8px;
  width: auto;
  height: auto;
  overflow: visible;
}

/* ── Focus-visible ──────────────────────────────────────── */
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
*:focus:not(:focus-visible) {
  outline: none;
}

/* ── Print ──────────────────────────────────────────────── */
@media print {
  .topbar, .mobile-nav, .mobile-overlay, .toast-container,
  .hamburger, .btn, .modal-backdrop { display: none !important; }
  body { background: #fff; color: #000; font-size: 12pt; }
  .main-content { padding: 0; }
}

/* ── Theme toggle ──────────────────────────────────────── */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  color: var(--muted);
  font-size: 16px;
  transition: var(--transition);
  flex-shrink: 0;
  padding: 0;
  line-height: 1;
}
.theme-toggle:hover {
  background: var(--hover);
  color: var(--text);
}
.theme-toggle:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
/* Sun icon for dark mode (switch to light), moon icon for light mode (switch to dark) */
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: inline; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: inline; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Mobile theme toggle */
.mobile-nav .theme-toggle {
  width: 100%;
  height: auto;
  padding: 10px 14px;
  justify-content: flex-start;
  gap: 8px;
  font-size: 14px;
  border-radius: var(--r-sm);
}

/* Dark-mode image brightness tweak */
[data-theme="dark"] img:not([src*=".svg"]) {
  filter: brightness(.9) contrast(1.05);
}