/* PLAN T — Cafe Management System */
/* Pure CSS — no Tailwind, no framework */

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

:root {
  --green-50:  #f0fdf4;
  --green-100: #dcfce7;
  --green-200: #bbf7d0;
  --green-300: #86efac;
  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --green-800: #166534;
  --green-900: #14532d;

  --emerald-500: #10b981;
  --emerald-600: #059669;

  --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;

  --red-500:   #ef4444;
  --amber-500: #f59e0b;
  --blue-500:  #3b82f6;

  --bg:         var(--slate-100);
  --bg-card:    #ffffff;
  --bg-input:   var(--slate-50);
  --text:       var(--slate-900);
  --text-muted: var(--slate-500);
  --border:     var(--slate-200);
  --sidebar-bg: #ffffff;
  --sidebar-text: var(--slate-700);
  --header-bg:  #ffffff;

  --primary:    var(--green-600);
  --primary-hover: var(--green-700);
  --primary-light: var(--green-50);
  --primary-ring:  #16a34a40;

  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);
  --shadow:    0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);
}

.dark {
  --bg:         #0b1120;
  --bg-card:    #111827;
  --bg-input:   #131d33;
  --text:       #f1f5f9;
  --text-muted: #94a3b8;
  --border:     #1e293b;
  --sidebar-bg: #111827;
  --sidebar-text: #cbd5e1;
  --header-bg:  #111827;
}

html, body, #app { height: 100%; font-family: 'Plus Jakarta Sans', sans-serif; }
body { background: var(--bg); color: var(--text); transition: background .2s, color .2s; }

/* ── Layout ── */
.app-shell { display: flex; height: 100%; overflow: hidden; }

.sidebar {
  width: 240px; flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow-y: auto; overflow-x: hidden;
  transition: transform .25s;
  z-index: 40;
}

.sidebar-logo {
  padding: 20px 20px 12px;
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--green-600), var(--emerald-500));
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sidebar-logo-icon svg { width: 20px; height: 20px; color: white; }
.sidebar-logo-name { font-size: 18px; font-weight: 800; color: var(--text); letter-spacing: -.5px; }
.sidebar-logo-name span { color: var(--green-600); }

.sidebar-nav { flex: 1; padding: 12px 10px; }
.nav-section-title {
  font-size: 10px; font-weight: 700; letter-spacing: .08em;
  color: var(--text-muted); padding: 8px 10px 4px; text-transform: uppercase;
}
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--radius-sm);
  color: var(--sidebar-text); font-size: 13.5px; font-weight: 500;
  text-decoration: none; cursor: pointer;
  transition: background .15s, color .15s; margin-bottom: 1px;
  border: none; background: none; width: 100%; text-align: left;
}
.nav-link:hover { background: var(--primary-light); color: var(--primary); }
.nav-link.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.dark .nav-link:hover, .dark .nav-link.active { background: rgba(22,163,74,.15); }
.nav-link svg { width: 16px; height: 16px; flex-shrink: 0; }

.sidebar-footer {
  padding: 12px; border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
}

/* ── Main ── */
.main-area { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.top-bar {
  background: var(--header-bg); border-bottom: 1px solid var(--border);
  padding: 0 20px; height: 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  flex-shrink: 0;
}
.top-bar-title { font-size: 15px; font-weight: 700; color: var(--text); }
.top-bar-actions { display: flex; align-items: center; gap: 8px; }

.page-content { flex: 1; overflow-y: auto; padding: 24px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 600; cursor: pointer;
  border: none; transition: all .15s; text-decoration: none;
}
.btn-primary {
  background: var(--primary); color: white;
  box-shadow: 0 1px 3px var(--primary-ring);
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; }
.btn-secondary {
  background: var(--bg-card); color: var(--text);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.btn-secondary:hover { background: var(--bg); }
.btn-danger { background: var(--red-500); color: white; }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 6px; }
.btn-icon {
  width: 34px; height: 34px; padding: 0;
  border-radius: 10px; background: var(--bg-card);
  border: 1px solid var(--border); color: var(--text-muted);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all .15s;
}
.btn-icon:hover { color: var(--text); border-color: var(--slate-300); }
.btn-icon svg { width: 16px; height: 16px; }

/* ── Cards ── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm);
}
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-size: 14px; font-weight: 700; color: var(--text); }

/* ── Stats Cards ── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow-sm);
}
.stat-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--text-muted); margin-bottom: 8px; }
.stat-value { font-size: 28px; font-weight: 800; color: var(--text); line-height: 1; }
.stat-sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.stat-icon { float: right; width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.stat-icon svg { width: 20px; height: 20px; }
.stat-icon.green { background: var(--green-50); color: var(--green-600); }
.dark .stat-icon.green { background: rgba(22,163,74,.15); }
.stat-icon.blue { background: #eff6ff; color: var(--blue-500); }
.dark .stat-icon.blue { background: rgba(59,130,246,.15); }
.stat-icon.amber { background: #fffbeb; color: var(--amber-500); }
.dark .stat-icon.amber { background: rgba(245,158,11,.15); }
.stat-icon.red { background: #fef2f2; color: var(--red-500); }
.dark .stat-icon.red { background: rgba(239,68,68,.15); }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--text-muted); margin-bottom: 6px; }
.form-input {
  width: 100%; padding: 9px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-input);
  color: var(--text); font-size: 14px; font-family: inherit;
  transition: border .15s, box-shadow .15s; outline: none;
}
.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-ring); }
.form-input::placeholder { color: var(--text-muted); }
select.form-input { cursor: pointer; }
textarea.form-input { resize: vertical; min-height: 80px; }

/* ── Tables ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead { background: var(--slate-50); }
.dark thead { background: rgba(255,255,255,.03); }
th { padding: 10px 14px; text-align: left; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--text-muted); border-bottom: 1px solid var(--border); }
td { padding: 12px 14px; border-bottom: 1px solid var(--border); color: var(--text); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--primary-light); }
.dark tr:hover td { background: rgba(22,163,74,.05); }

/* ── Badges ── */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge-green { background: var(--green-100); color: var(--green-700); }
.dark .badge-green { background: rgba(22,163,74,.2); color: var(--green-400); }
.badge-red { background: #fee2e2; color: #b91c1c; }
.dark .badge-red { background: rgba(239,68,68,.2); color: #fca5a5; }
.badge-amber { background: #fef3c7; color: #92400e; }
.dark .badge-amber { background: rgba(245,158,11,.2); color: #fcd34d; }
.badge-blue { background: #dbeafe; color: #1d4ed8; }
.dark .badge-blue { background: rgba(59,130,246,.2); color: #93c5fd; }
.badge-slate { background: var(--slate-100); color: var(--slate-700); }
.dark .badge-slate { background: rgba(255,255,255,.08); color: var(--slate-400); }

/* ── Modal ── */
.modal-backdrop {
  position: fixed; inset: 0; background: rgb(0 0 0 / .5);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; padding: 16px; backdrop-filter: blur(2px);
}
.modal {
  background: var(--bg-card); border-radius: var(--radius-lg);
  padding: 24px; width: 100%; max-width: 480px;
  box-shadow: 0 20px 60px rgb(0 0 0 / .3);
  max-height: 90vh; overflow-y: auto;
}
.modal-title { font-size: 16px; font-weight: 800; color: var(--text); margin-bottom: 20px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
.modal-wide { max-width: 680px; }

/* ── Login ── */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--bg); padding: 20px; position: relative; overflow: hidden;
}
.login-glow-1 {
  position: absolute; top: -100px; left: 50%; transform: translateX(-50%);
  width: 500px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(22,163,74,.2) 0%, transparent 70%);
  pointer-events: none;
}
.login-glow-2 {
  position: absolute; bottom: -100px; right: 0;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(16,185,129,.15) 0%, transparent 70%);
  pointer-events: none;
}
.login-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px;
  width: 100%; max-width: 440px; box-shadow: var(--shadow-md);
  position: relative; z-index: 1;
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo-icon {
  width: 56px; height: 56px; border-radius: 16px;
  background: linear-gradient(135deg, var(--green-600), var(--emerald-500));
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(22,163,74,.3); margin-bottom: 12px;
}
.login-logo-icon svg { width: 30px; height: 30px; color: white; }
.login-brand { font-size: 26px; font-weight: 800; color: var(--text); letter-spacing: -1px; }
.login-brand span { color: var(--green-600); }
.login-sub { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.login-title { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 20px; }
.input-with-icon { position: relative; }
.input-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; }
.input-icon svg { width: 16px; height: 16px; }
.input-with-icon .form-input { padding-left: 36px; }
.login-btn {
  width: 100%; padding: 11px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--green-600), var(--emerald-500));
  color: white; font-size: 14px; font-weight: 700; border: none;
  cursor: pointer; transition: all .2s; margin-top: 4px;
  box-shadow: 0 4px 14px rgba(22,163,74,.3);
}
.login-btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.login-btn:active { transform: scale(.99); }
.login-btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.login-err {
  display: flex; align-items: center; gap: 8px; padding: 10px 12px;
  background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3);
  border-radius: var(--radius-sm); color: #ef4444; font-size: 13px; margin-top: 12px;
}
.login-err svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ── POS ── */
.pos-layout { display: grid; grid-template-columns: 1fr 360px; gap: 20px; height: calc(100vh - 56px - 48px); }
.pos-menu { overflow-y: auto; }
.pos-cart { display: flex; flex-direction: column; overflow: hidden; }
.pos-cart-scroll { flex: 1; overflow-y: auto; }
.category-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.cat-tab {
  padding: 6px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text-muted);
  cursor: pointer; transition: all .15s; white-space: nowrap;
}
.cat-tab.active, .cat-tab:hover { background: var(--primary); color: white; border-color: var(--primary); }
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.product-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px; cursor: pointer;
  transition: all .15s; display: flex; flex-direction: column; gap: 8px;
}
.product-card:hover { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.product-card:active { transform: scale(.98); }
.product-emoji { font-size: 28px; }
.product-name { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.3; }
.product-price { font-size: 14px; font-weight: 700; color: var(--primary); }
.cart-line { display: flex; align-items: center; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.cart-line-name { flex: 1; font-size: 13px; font-weight: 500; color: var(--text); }
.cart-line-price { font-size: 13px; font-weight: 600; color: var(--text); min-width: 60px; text-align: right; }
.qty-ctrl { display: flex; align-items: center; gap: 6px; }
.qty-btn {
  width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--bg); display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 14px; font-weight: 700; color: var(--text);
  transition: all .15s;
}
.qty-btn:hover { background: var(--primary); color: white; border-color: var(--primary); }
.qty-num { font-size: 13px; font-weight: 700; min-width: 20px; text-align: center; }
.cart-total-row { display: flex; justify-content: space-between; padding: 10px 0; font-size: 14px; color: var(--text); border-top: 1px solid var(--border); }
.cart-total-row.grand { font-weight: 800; font-size: 18px; color: var(--text); }
.cart-empty { text-align: center; padding: 40px 20px; color: var(--text-muted); font-size: 13px; }
.cart-empty svg { width: 40px; height: 40px; margin: 0 auto 10px; display: block; opacity: .4; }

/* ── Tabs (page-level) ── */
.page-tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.page-tab {
  padding: 10px 16px; font-size: 13.5px; font-weight: 600; cursor: pointer;
  border: none; background: none; color: var(--text-muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all .15s;
}
.page-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.page-tab:hover { color: var(--text); }

/* ── Misc ── */
.spinner { width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-auto { margin-top: auto; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.w-full { width: 100%; }
.hidden { display: none; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state svg { width: 48px; height: 48px; margin: 0 auto 12px; display: block; opacity: .3; }
.empty-state p { font-size: 14px; }
.search-bar { position: relative; }
.search-bar svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--text-muted); pointer-events: none; }
.search-bar .form-input { padding-left: 36px; }
.pager { display: flex; align-items: center; gap: 8px; justify-content: flex-end; margin-top: 12px; font-size: 13px; color: var(--text-muted); }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; background: var(--slate-100); color: var(--slate-600); }
.dark .chip { background: rgba(255,255,255,.08); color: var(--slate-400); }
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.section-title { font-size: 15px; font-weight: 800; color: var(--text); margin-bottom: 16px; }
.alert { display: flex; gap: 10px; padding: 12px 14px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 16px; }
.alert-info { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }
.dark .alert-info { background: rgba(59,130,246,.1); color: #93c5fd; border-color: rgba(59,130,246,.2); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
@media (max-width: 900px) {
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-md); }
  .pos-layout { grid-template-columns: 1fr; }
  .two-col, .three-col { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
.mobile-menu-btn {
  display: none; width: 36px; height: 36px; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text); align-items: center; justify-content: center; cursor: pointer;
}
@media (max-width: 900px) { .mobile-menu-btn { display: flex; } }
.overlay { position: fixed; inset: 0; background: rgb(0 0 0 / .4); z-index: 39; display: none; }
.overlay.open { display: block; }
/* report bars */
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.bar-label { width: 120px; font-size: 12px; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-track { flex: 1; height: 8px; background: var(--border); border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--green-600), var(--emerald-500)); border-radius: 999px; }
.bar-val { width: 70px; text-align: right; font-size: 12px; font-weight: 600; color: var(--text); }
/* toast */
#toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 16px; font-size: 13px; font-weight: 500; color: var(--text); box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 8px; min-width: 220px; animation: slideIn .2s ease; }
.toast.success { border-color: var(--green-500); }
.toast.error { border-color: var(--red-500); }
.toast svg { width: 16px; height: 16px; flex-shrink: 0; }
.toast.success svg { color: var(--green-600); }
.toast.error svg { color: var(--red-500); }
@keyframes slideIn { from { opacity:0; transform: translateX(20px); } to { opacity:1; transform: translateX(0); } }