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

:root {
  --bg:        #0f1117;
  --surface:   #1a1d27;
  --surface2:  #22263a;
  --surface3:  #2a2f45;
  --border:    #2e3350;
  --accent:    #c47d2a;
  --accent-h:  #e09040;
  --green:     #22c55e;
  --red:       #ef4444;
  --yellow:    #eab308;
  --blue:      #3b82f6;
  --text:      #e8eaf0;
  --text-mid:  #8b92b3;
  --text-dim:  #4a5070;
  --sidebar-w: 220px;
  --topbar-h:  56px;
  --radius:    10px;
  --shadow:    0 2px 12px rgba(0,0,0,.4);
  --font:      system-ui, -apple-system, sans-serif;
}

body { font-family: var(--font); background: var(--bg); color: var(--text);
       line-height: 1.5; -webkit-font-smoothing: antialiased; }

a { color: var(--accent); text-decoration: none; }

/* ── Login page ─────────────────────────────────────────────────── */
#login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--bg) 0%, #0a1520 100%);
}
.login-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 2.5rem; width: 100%; max-width: 380px; box-shadow: var(--shadow);
}
.login-logo { font-size: 1.6rem; font-weight: 800; color: var(--accent); margin-bottom: .25rem; }
.login-sub  { color: var(--text-mid); font-size: .9rem; margin-bottom: 2rem; }
.login-error { background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.3);
               color: #fca5a5; padding: .75rem 1rem; border-radius: 8px;
               font-size: .88rem; margin-bottom: 1.25rem; display: none; }

/* ── App shell ──────────────────────────────────────────────────── */
#app { display: none; height: 100vh; display: grid;
       grid-template-columns: var(--sidebar-w) 1fr;
       grid-template-rows: var(--topbar-h) 1fr; }

/* Sidebar */
#sidebar {
  grid-row: 1 / 3; background: var(--surface); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 1.25rem 0;
}
.sidebar-brand {
  padding: 0 1.25rem 1.5rem;
  font-size: 1.05rem; font-weight: 800; color: var(--accent);
  border-bottom: 1px solid var(--border);
}
.sidebar-brand small { display: block; font-size: .75rem; font-weight: 400; color: var(--text-mid); margin-top: .2rem; }

.nav-group { padding: 1rem 0 .5rem; }
.nav-group-label {
  font-size: .68rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-dim);
  padding: 0 1.25rem; margin-bottom: .35rem;
}
.nav-item {
  display: flex; align-items: center; gap: .6rem;
  padding: .55rem 1.25rem; font-size: .9rem; color: var(--text-mid);
  cursor: pointer; transition: all .15s; user-select: none;
  border-left: 3px solid transparent;
}
.nav-item:hover  { color: var(--text); background: var(--surface2); }
.nav-item.active { color: var(--text); background: var(--surface2); border-left-color: var(--accent); }
.nav-item .icon  { font-size: 1rem; width: 1.2rem; text-align: center; }

.sidebar-footer { margin-top: auto; padding: 1rem 1.25rem; border-top: 1px solid var(--border); }
.sidebar-user { font-size: .82rem; color: var(--text-mid); }
.sidebar-user strong { display: block; color: var(--text); }

/* Topbar */
#topbar {
  background: var(--surface); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.75rem; gap: 1rem;
}
.topbar-title { font-size: 1rem; font-weight: 700; }
.topbar-actions { display: flex; gap: .75rem; align-items: center; }
#save-indicator { font-size: .82rem; color: var(--green); display: none; }

/* Main content */
#main { overflow-y: auto; padding: 1.75rem; }

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem 1.1rem; border-radius: 8px; font-size: .88rem;
  font-weight: 600; cursor: pointer; border: none; transition: all .15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-h); }
.btn-ghost   { background: var(--surface2); color: var(--text-mid); }
.btn-ghost:hover { background: var(--surface3); color: var(--text); }
.btn-danger  { background: rgba(239,68,68,.15); color: #f87171; }
.btn-danger:hover { background: rgba(239,68,68,.25); }
.btn-sm      { padding: .35rem .8rem; font-size: .82rem; }
.btn-icon    { padding: .4rem .55rem; }

/* ── Forms ───────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.form-label { font-size: .82rem; font-weight: 600; color: var(--text-mid); }
.form-input, .form-select, .form-textarea {
  background: var(--surface2); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); padding: .55rem .85rem; font-size: .9rem; font-family: inherit;
  transition: border-color .15s; width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--accent);
}
.form-textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

/* Toggle */
.toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.toggle-label { font-size: .9rem; }
.toggle { position: relative; width: 42px; height: 24px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0; background: var(--border); border-radius: 24px; cursor: pointer; transition: .2s;
}
.toggle-slider::before {
  content: ''; position: absolute; width: 18px; height: 18px;
  left: 3px; bottom: 3px; background: white; border-radius: 50%; transition: .2s;
}
.toggle input:checked + .toggle-slider { background: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(18px); }

/* ── Cards ───────────────────────────────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.25rem;
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem; gap: 1rem;
}
.card-title { font-size: .95rem; font-weight: 700; }
.card-sub   { font-size: .82rem; color: var(--text-mid); margin-top: .1rem; }

/* ── Page header ─────────────────────────────────────────────────── */
.page-header { margin-bottom: 1.75rem; }
.page-title  { font-size: 1.4rem; font-weight: 800; }
.page-sub    { font-size: .88rem; color: var(--text-mid); margin-top: .25rem; }

/* ── Period tabs ─────────────────────────────────────────────────── */
.period-tabs { display: flex; gap: .5rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.period-tab {
  padding: .5rem 1.1rem; border-radius: 8px; font-size: .88rem; font-weight: 600;
  cursor: pointer; border: 1px solid var(--border); background: var(--surface);
  color: var(--text-mid); transition: all .15s;
}
.period-tab:hover { background: var(--surface2); }
.period-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.period-tab-add { border-style: dashed; }

/* ── Menu items ──────────────────────────────────────────────────── */
.menu-item-row {
  display: flex; align-items: center; gap: .75rem;
  padding: .7rem .85rem; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface2); margin-bottom: .5rem; cursor: pointer; transition: border-color .15s;
}
.menu-item-row:hover { border-color: var(--accent); }
.menu-item-row.unavailable { opacity: .5; }
.item-drag { color: var(--text-dim); cursor: grab; font-size: 1.1rem; }
.item-info { flex: 1; min-width: 0; }
.item-name { font-size: .9rem; font-weight: 600; }
.item-desc-preview { font-size: .78rem; color: var(--text-mid); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item-price { font-size: .9rem; font-weight: 700; color: var(--accent); white-space: nowrap; }
.item-avail-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.item-avail-dot.on  { background: var(--green); }
.item-avail-dot.off { background: var(--text-dim); }

.cat-section { margin-bottom: 1.5rem; }
.cat-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: .6rem; gap: .75rem;
}
.cat-name { font-size: .88rem; font-weight: 700; color: var(--text-mid);
            text-transform: uppercase; letter-spacing: .08em; }

/* ── Events list ─────────────────────────────────────────────────── */
.event-row {
  display: flex; align-items: center; gap: 1rem;
  padding: .9rem 1rem; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface2); margin-bottom: .6rem;
}
.event-date-badge {
  background: var(--surface3); border-radius: 8px; padding: .5rem .75rem;
  text-align: center; min-width: 52px; flex-shrink: 0;
}
.event-date-month { font-size: .65rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.event-date-day   { font-size: 1.4rem; font-weight: 800; line-height: 1; }
.event-body  { flex: 1; min-width: 0; }
.event-title { font-weight: 700; font-size: .9rem; }
.event-meta  { font-size: .8rem; color: var(--text-mid); margin-top: .15rem; }

/* ── Modal ───────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.65); z-index: 1000;
  display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.modal {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 8px 40px rgba(0,0,0,.6);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--surface); z-index: 1;
}
.modal-title { font-size: 1rem; font-weight: 800; }
.modal-body  { padding: 1.5rem; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border);
                display: flex; justify-content: flex-end; gap: .6rem; }

/* ── Options list (choice groups / modifiers) ────────────────────── */
.option-row {
  display: flex; align-items: center; gap: .6rem; margin-bottom: .5rem;
}
.option-row .form-input { flex: 1; }
.option-price { width: 90px; }

/* ── Integration cards ───────────────────────────────────────────── */
.integration-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 1rem; }
.integration-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem; display: flex; flex-direction: column; gap: .75rem;
}
.int-header { display: flex; align-items: center; gap: .75rem; }
.int-logo { font-size: 1.5rem; }
.int-name { font-weight: 700; font-size: .95rem; }
.int-supports { font-size: .78rem; color: var(--text-mid); }
.int-status { display: flex; align-items: center; gap: .4rem; font-size: .82rem; font-weight: 600; }
.int-status.connected { color: var(--green); }
.int-status.disconnected { color: var(--text-dim); }
.int-status::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

/* ── Badge / tag ─────────────────────────────────────────────────── */
.badge {
  display: inline-block; padding: .15rem .5rem; border-radius: 5px;
  font-size: .72rem; font-weight: 700; letter-spacing: .05em;
}
.badge-green  { background: rgba(34,197,94,.15); color: var(--green); }
.badge-yellow { background: rgba(234,179,8,.15); color: var(--yellow); }
.badge-red    { background: rgba(239,68,68,.15); color: var(--red); }
.badge-blue   { background: rgba(59,130,246,.15); color: var(--blue); }

/* ── Dashboard stats ─────────────────────────────────────────────── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px,1fr)); gap: 1rem; margin-bottom: 1.75rem; }
.stat-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.25rem;
}
.stat-value { font-size: 1.9rem; font-weight: 800; line-height: 1; }
.stat-label { font-size: .8rem; color: var(--text-mid); margin-top: .3rem; }

/* ── Divider ─────────────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 1.25rem 0; }

/* ── Empty state ─────────────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 3rem 1rem; color: var(--text-mid);
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.empty-state p { font-size: .9rem; }

/* ── Toast notification ──────────────────────────────────────────── */
#toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 9999;
  background: var(--surface3); border: 1px solid var(--border); border-radius: 10px;
  padding: .85rem 1.25rem; font-size: .88rem; box-shadow: var(--shadow);
  transform: translateY(100px); opacity: 0; transition: all .25s;
  max-width: 300px;
}
#toast.show { transform: translateY(0); opacity: 1; }
#toast.success { border-color: var(--green); color: var(--green); }
#toast.error   { border-color: var(--red); color: var(--red); }