:root {
  --bg:        #0f1117;
  --bg2:       #1a1d27;
  --bg3:       #22263a;
  --border:    #2e3250;
  --accent:    #4f7cff;
  --accent2:   #7c3aed;
  --success:   #22c55e;
  --warning:   #f59e0b;
  --danger:    #ef4444;
  --info:      #38bdf8;
  --text:      #e2e8f0;
  --muted:     #64748b;
  --radius:    10px;
  --radius-sm: 6px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Navbar ─────────────────────────────────────────────────────────────── */
.navbar {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: .75rem 2rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .4rem;
  white-space: nowrap;
}

.brand-icon { font-size: 1.3rem; }

.nav-links { display: flex; gap: 1.5rem; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: .9rem;
  padding: .25rem 0;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  border-color: var(--accent);
}

.nav-right { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.nav-user  { font-size: .8rem; color: var(--muted); font-family: monospace; }
.nav-greeting { font-size: .85rem; color: var(--muted); }
.nav-greeting strong { color: var(--accent); }

/* ── Main ────────────────────────────────────────────────────────────────── */
.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ── Alerts ──────────────────────────────────────────────────────────────── */
.alert {
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: .9rem;
  border-left: 4px solid;
}
.alert-success { background: #14532d33; border-color: var(--success); color: #86efac; }
.alert-danger  { background: #7f1d1d33; border-color: var(--danger);  color: #fca5a5; }
.alert-warning { background: #78350f33; border-color: var(--warning); color: #fcd34d; }
.alert-info    { background: #0c4a6e33; border-color: var(--info);    color: #7dd3fc; }

/* ── Cards ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 1rem;
}

/* ── Grid ────────────────────────────────────────────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: 1rem;
}

/* ── Stat boxes ──────────────────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .25rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.stat-label {
  font-size: .8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ── Table ───────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}

thead th {
  text-align: left;
  padding: .65rem 1rem;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-weight: 600;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}

tbody tr:hover { background: var(--bg3); }

td {
  padding: .65rem 1rem;
  vertical-align: middle;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: opacity .15s, background .15s;
  white-space: nowrap;
}

.btn:hover { opacity: .85; }

.btn-primary  { background: var(--accent);  color: #fff; }
.btn-danger   { background: var(--danger);  color: #fff; }
.btn-success  { background: var(--success); color: #fff; }
.btn-ghost    { background: transparent; border-color: var(--border); color: var(--text); }
.btn-sm       { padding: .3rem .75rem; font-size: .8rem; }

/* ── Form ────────────────────────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: 1.25rem;
}

label {
  font-size: .85rem;
  color: var(--muted);
  font-weight: 500;
}

input, select {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: .55rem .85rem;
  font-size: .95rem;
  width: 100%;
  outline: none;
  transition: border-color .15s;
}

input:focus, select:focus { border-color: var(--accent); }

.checkbox-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: .4rem;
  cursor: pointer;
  font-size: .95rem;
  padding: .4rem .8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color .15s, background .15s;
}

.checkbox-item:hover { border-color: var(--accent); }
.checkbox-item input[type=checkbox],
.checkbox-item input[type=radio] {
  width: auto;
  cursor: pointer;
  accent-color: var(--accent);
}

.checkbox-item.checked { border-color: var(--accent); background: #4f7cff22; }

/* ── Page header ─────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
}

/* ── Login page ──────────────────────────────────────────────────────────── */
.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

.login-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
}

.login-logo {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: .5rem;
}

.login-title {
  text-align: center;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: .25rem;
}

.login-sub {
  text-align: center;
  color: var(--muted);
  font-size: .85rem;
  margin-bottom: 2rem;
}

/* ── Meal badge ──────────────────────────────────────────────────────────── */
.meal-badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .2rem .55rem;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  white-space: nowrap;
}

.meal-1 { background: #78350f44; color: #fcd34d; }
.meal-2 { background: #14532d44; color: #86efac; }
.meal-3 { background: #1e1b4b44; color: #a5b4fc; }

/* ── Deletable badge ─────────────────────────────────────────────────────── */
.can-del    { color: var(--danger);  font-size: .8rem; }
.cannot-del { color: var(--muted);   font-size: .8rem; }

/* ── Pagination ──────────────────────────────────────────────────────────── */
.pagination {
  display: flex;
  gap: .5rem;
  align-items: center;
  justify-content: center;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  padding: .4rem .8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: .85rem;
  text-decoration: none;
  color: var(--text);
  transition: background .15s;
}

.pagination a:hover  { background: var(--bg3); }
.pagination .current { background: var(--accent); border-color: var(--accent); }
.pagination .disabled { opacity: .35; pointer-events: none; }

/* ── Section divider ─────────────────────────────────────────────────────── */
.section-title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin: 1.5rem 0 .75rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--border);
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  margin-top: 3rem;
  border-top: 1px solid var(--border);
  font-size: .8rem;
  color: var(--muted);
  flex-wrap: wrap;
  gap: .5rem;
}

.footer-right strong { color: var(--text); }

/* ── Hamburger ───────────────────────────────────────────────────────────── */
.nav-hamburger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: .3rem .55rem;
  font-size: 1.1rem;
  cursor: pointer;
  margin-left: auto;
}

/* ── About / landing page ────────────────────────────────────────────────── */
.about-hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
  max-width: 640px;
  margin: 0 auto;
}

.about-hero-icon { font-size: 3.5rem; margin-bottom: .5rem; }

.about-hero-title {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: .75rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.7;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  max-width: 1000px;
  margin: 2rem auto 3rem;
}

.about-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color .2s;
}

.about-card:hover { border-color: var(--accent); }

.about-card-icon { font-size: 1.8rem; margin-bottom: .6rem; }

.about-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .4rem;
}

.about-card p {
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.6;
}

.about-auth-note {
  text-align: center;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 520px;
  margin: 0 auto 3rem;
  font-size: .95rem;
  color: var(--muted);
}

.about-auth-note strong { color: var(--text); }

/* ── About comparison section ────────────────────────────────────────────── */
.about-comparison {
  max-width: 800px;
  margin: 0 auto 2.5rem;
  padding: 0 1rem;
}

.about-vs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.about-vs-card {
  border-radius: var(--radius);
  padding: 1.25rem;
  border: 1px solid var(--border);
}

.about-vs-card ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .45rem;
}

.about-vs-card li { font-size: .88rem; line-height: 1.5; }

.about-vs-old {
  background: #1a1d2788;
  opacity: .7;
}

.about-vs-old li::before { content: '✗ '; color: var(--danger); }

.about-vs-new {
  background: var(--bg2);
  border-color: var(--accent);
}

.about-vs-new li::before { content: '✓ '; color: var(--success); }

.about-vs-label {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: .75rem;
  font-weight: 600;
}

/* ── Confirmation Modal ──────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
}

.modal-overlay.open { display: flex; }

.modal-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 400px;
  width: 90%;
  text-align: center;
  animation: modal-in .2s ease;
}

@keyframes modal-in {
  from { opacity: 0; transform: scale(.92); }
  to   { opacity: 1; transform: scale(1); }
}

.modal-icon { font-size: 2.2rem; margin-bottom: .5rem; }
.modal-title { font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; }
.modal-body  { font-size: .9rem; color: var(--muted); margin-bottom: 1.5rem; line-height: 1.6; }

.modal-actions {
  display: flex;
  gap: .75rem;
  justify-content: center;
}

.modal-actions .btn { min-width: 100px; justify-content: center; }

/* ── View-toggle (cards / table) ─────────────────────────────────────────── */
.view-toggle {
  display: inline-flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.view-toggle button {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: var(--bg2);
  border: none;
  border-right: 1px solid var(--border);
  color: var(--muted);
  padding: .4rem .85rem;
  font-size: .82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, color .15s;
}

.view-toggle button:last-child { border-right: none; }
.view-toggle button:hover { background: var(--bg3); color: var(--text); }

.view-toggle button.active {
  background: var(--accent);
  color: #fff;
}

.view-toggle button svg { flex-shrink: 0; }

/* ── Filter bar ──────────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: .75rem;
  padding: .8rem 1rem;
  margin-bottom: 1rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: .25rem;
}

.filter-group label {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
}

.filter-group input,
.filter-group select {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: .4rem .6rem;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  min-width: 150px;
}

.filter-group input:focus,
.filter-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(79, 124, 255, .2);
}

#filterClear {
  align-self: flex-end;
  padding: .4rem .7rem;
  font-size: .82rem;
}

.filter-count {
  align-self: flex-end;
  font-size: .8rem;
  color: var(--muted);
  padding-bottom: .35rem;
  margin-left: auto;
}

@media (max-width: 600px) {
  .filter-bar { gap: .5rem; }
  .filter-group { flex: 1 1 100%; }
  .filter-group input,
  .filter-group select { min-width: 0; width: 100%; }
  .filter-count { margin-left: 0; }
}

/* ── Reservation cards ───────────────────────────────────────────────────── */
.res-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.res-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  transition: border-color .15s;
}

.res-card:hover { border-color: var(--accent); }

.res-card-date {
  font-size: 1.05rem;
  font-weight: 700;
}

.res-card-restaurant {
  font-size: .85rem;
  color: var(--muted);
}

.res-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: .75rem;
  border-top: 1px solid var(--border);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .about-features { grid-template-columns: 1fr; }
  .about-vs-grid { grid-template-columns: 1fr; }
  td:nth-child(1) { display: none; }   /* hide # column on mobile */
}

@media (max-width: 640px) {
  .navbar {
    flex-wrap: wrap;
    padding: .75rem 1rem;
    gap: .5rem;
  }

  .nav-hamburger { display: block; }

  /* hide links + right section by default on mobile */
  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    border-top: 1px solid var(--border);
    padding-top: .5rem;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    padding: .55rem 0;
    border-bottom: none;
    border-left: 3px solid transparent;
    padding-left: .5rem;
  }

  .nav-links a.active { border-left-color: var(--accent); }

  .nav-right {
    display: none;
    width: 100%;
    justify-content: flex-end;
    border-top: 1px solid var(--border);
    padding-top: .5rem;
  }

  .nav-links.open ~ .nav-right { display: flex; }

  .main { padding: 1.25rem 1rem; }
  .grid-2, .grid-3, .res-cards { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .site-footer { flex-direction: column; text-align: center; }
  .about-hero { padding: 2.5rem 1rem 2rem; }
  .table-wrap { font-size: .82rem; }
  thead th, td { padding: .5rem .6rem; }
}