/* ═══════════════════════════════════════════════
   Yediemin Otopark — Premium Dark Theme v1.0
   ═══════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg:        #070710;
  --bg2:       #0d0d1a;
  --card:      #11111f;
  --card2:     #16162a;
  --border:    rgba(255,255,255,0.06);
  --border2:   rgba(255,255,255,0.12);
  --text:      #e8e8f0;
  --muted:     #6b6b8a;
  --muted2:    #4a4a66;
  --cyan:      #00d4ff;
  --cyan2:     #00a8cc;
  --purple:    #7c3aed;
  --purple2:   #6d28d9;
  --green:     #10b981;
  --yellow:    #f59e0b;
  --red:       #ef4444;
  --orange:    #f97316;
  --pink:      #ec4899;
  --gold:      #fbbf24;
  --nav-w:     260px;
  --header-h:  64px;
  --radius:    14px;
  --radius-sm: 8px;
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.6);
  --glow-c:    0 0 20px rgba(0,212,255,0.15);
  --glow-p:    0 0 20px rgba(124,58,237,0.2);
  --trans:     all 0.2s cubic-bezier(0.4,0,0.2,1);
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body {
  font-family:'Inter',system-ui,sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color:inherit; text-decoration:none; }
input,textarea,select,button { font-family:inherit; }
img { max-width:100%; }

/* ── Scrollbar ─────────────────────────────────────── */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:var(--bg2); }
::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.15); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:rgba(255,255,255,0.25); }

/* ── Layout ────────────────────────────────────────── */
.layout { display:flex; min-height:100vh; }
.sidebar {
  width: var(--nav-w);
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s ease;
}
.main {
  margin-left: var(--nav-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.topbar {
  height: var(--header-h);
  background: rgba(7,7,16,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.content {
  padding: 28px;
  flex: 1;
}
@media (max-width:768px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); }
  .main { margin-left:0; }
  .content { padding:16px; }
}

/* ── Sidebar Brand ─────────────────────────────────── */
.sidebar-brand {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-icon {
  width:42px; height:42px;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:20px; flex-shrink:0;
  box-shadow: var(--glow-c);
}
.brand-name { font-size:13px; font-weight:700; line-height:1.3; }
.brand-sub { font-size:10px; color:var(--muted); text-transform:uppercase; letter-spacing:1px; margin-top:2px; }

/* ── Sidebar Nav ───────────────────────────────────── */
.sidebar-nav {
  flex:1;
  padding:12px 0;
  overflow-y:auto;
}
.nav-section {
  padding: 12px 16px 4px;
  font-size:10px; font-weight:700;
  color:var(--muted2);
  text-transform:uppercase;
  letter-spacing:1.2px;
}
.nav-item {
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 16px;
  margin:2px 8px;
  border-radius:var(--radius-sm);
  color:var(--muted);
  font-size:13.5px;
  font-weight:500;
  cursor:pointer;
  transition:var(--trans);
  position:relative;
}
.nav-item i { width:18px; text-align:center; font-size:15px; }
.nav-item:hover { background:rgba(255,255,255,0.05); color:var(--text); }
.nav-item.active {
  background:linear-gradient(135deg, rgba(0,212,255,0.15), rgba(124,58,237,0.1));
  color:var(--cyan);
  border:1px solid rgba(0,212,255,0.2);
  box-shadow:var(--glow-c);
}
.nav-item.active i { color:var(--cyan); }
.nav-badge {
  margin-left:auto;
  background:var(--red);
  color:#fff;
  font-size:10px;
  font-weight:700;
  padding:2px 6px;
  border-radius:20px;
  min-width:18px;
  text-align:center;
}
.sidebar-footer {
  padding:12px;
  border-top:1px solid var(--border);
}

/* ── Topbar ────────────────────────────────────────── */
.topbar-left { flex:1; display:flex; align-items:center; gap:12px; }
.topbar-title { font-size:16px; font-weight:700; }
.topbar-breadcrumb { font-size:12px; color:var(--muted); }
.topbar-right { display:flex; align-items:center; gap:12px; }
.topbar-user {
  display:flex; align-items:center; gap:8px;
  background:var(--card2);
  border:1px solid var(--border);
  border-radius:40px;
  padding:6px 12px 6px 6px;
  cursor:pointer;
  transition:var(--trans);
}
.topbar-user:hover { border-color:var(--border2); }
.user-avatar {
  width:32px; height:32px;
  background:linear-gradient(135deg,var(--purple),var(--cyan));
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:13px;
}
.user-name { font-size:13px; font-weight:600; }
.user-role { font-size:10px; color:var(--muted); }
.hamburger { display:none; background:none; border:none; color:var(--text); font-size:20px; cursor:pointer; padding:4px; }
@media(max-width:768px) { .hamburger { display:block; } }

/* ── Cards ─────────────────────────────────────────── */
.card {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:var(--trans);
}
.card:hover { border-color:var(--border2); }
.card-header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 22px;
  border-bottom:1px solid var(--border);
  gap:12px;
  flex-wrap:wrap;
}
.card-title { font-size:15px; font-weight:700; }
.card-body { padding:22px; }

/* ── Stat Cards ─────────────────────────────────────── */
.stats-grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:16px;
  margin-bottom:24px;
}
.stat-card {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
  display:flex;
  align-items:flex-start;
  gap:16px;
  position:relative;
  overflow:hidden;
  transition:var(--trans);
}
.stat-card::before {
  content:'';
  position:absolute;
  top:0; right:0;
  width:80px; height:80px;
  border-radius:50%;
  filter:blur(40px);
  opacity:0.3;
}
.stat-card.cyan::before { background:var(--cyan); }
.stat-card.purple::before { background:var(--purple); }
.stat-card.green::before { background:var(--green); }
.stat-card.orange::before { background:var(--orange); }
.stat-card.red::before { background:var(--red); }
.stat-card.gold::before { background:var(--gold); }
.stat-card:hover { border-color:var(--border2); transform:translateY(-2px); box-shadow:var(--shadow); }
.stat-icon {
  width:48px; height:48px;
  border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:22px;
  flex-shrink:0;
}
.stat-icon.cyan { background:rgba(0,212,255,0.15); color:var(--cyan); }
.stat-icon.purple { background:rgba(124,58,237,0.15); color:var(--purple); }
.stat-icon.green { background:rgba(16,185,129,0.15); color:var(--green); }
.stat-icon.orange { background:rgba(249,115,22,0.15); color:var(--orange); }
.stat-icon.red { background:rgba(239,68,68,0.15); color:var(--red); }
.stat-icon.gold { background:rgba(251,191,36,0.15); color:var(--gold); }
.stat-label { font-size:12px; color:var(--muted); font-weight:500; margin-bottom:4px; }
.stat-value { font-size:28px; font-weight:800; line-height:1; }
.stat-sub { font-size:11px; color:var(--muted); margin-top:6px; }
.stat-trend { font-size:11px; }
.stat-trend.up { color:var(--green); }
.stat-trend.down { color:var(--red); }

/* ── Table ──────────────────────────────────────────── */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; }
thead th {
  padding:12px 16px;
  font-size:11px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.8px;
  color:var(--muted);
  border-bottom:1px solid var(--border);
  white-space:nowrap;
  background:rgba(255,255,255,0.02);
}
tbody tr {
  border-bottom:1px solid var(--border);
  transition:var(--trans);
}
tbody tr:hover { background:rgba(255,255,255,0.03); }
tbody tr:last-child { border-bottom:none; }
tbody td { padding:14px 16px; font-size:13px; vertical-align:middle; }
.plate-badge {
  font-family:'JetBrains Mono',monospace;
  font-size:13px;
  font-weight:700;
  background:linear-gradient(135deg,rgba(0,212,255,0.1),rgba(124,58,237,0.1));
  border:1px solid rgba(0,212,255,0.25);
  color:var(--cyan);
  padding:5px 12px;
  border-radius:6px;
  letter-spacing:1.5px;
  display:inline-block;
}

/* ── Badges ─────────────────────────────────────────── */
.badge {
  display:inline-flex; align-items:center;
  padding:4px 10px;
  border-radius:20px;
  font-size:11px;
  font-weight:600;
  white-space:nowrap;
}
.badge-danger  { background:rgba(239,68,68,0.15); color:var(--red); border:1px solid rgba(239,68,68,0.25); }
.badge-success { background:rgba(16,185,129,0.15); color:var(--green); border:1px solid rgba(16,185,129,0.25); }
.badge-warning { background:rgba(245,158,11,0.15); color:var(--yellow); border:1px solid rgba(245,158,11,0.25); }
.badge-info    { background:rgba(0,212,255,0.12); color:var(--cyan); border:1px solid rgba(0,212,255,0.2); }
.badge-muted   { background:rgba(255,255,255,0.06); color:var(--muted); border:1px solid var(--border); }
.badge-purple  { background:rgba(124,58,237,0.15); color:#a78bfa; border:1px solid rgba(124,58,237,0.3); }

/* ── Buttons ────────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:7px;
  padding:9px 18px;
  border-radius:var(--radius-sm);
  font-size:13px;
  font-weight:600;
  cursor:pointer;
  border:1px solid transparent;
  transition:var(--trans);
  white-space:nowrap;
  text-decoration:none;
  line-height:1;
}
.btn-primary {
  background:linear-gradient(135deg,var(--cyan),var(--cyan2));
  color:#000;
  border-color:var(--cyan);
  box-shadow:0 4px 15px rgba(0,212,255,0.3);
}
.btn-primary:hover { transform:translateY(-1px); box-shadow:0 6px 20px rgba(0,212,255,0.4); filter:brightness(1.1); }
.btn-purple {
  background:linear-gradient(135deg,var(--purple),var(--purple2));
  color:#fff;
  box-shadow:0 4px 15px rgba(124,58,237,0.3);
}
.btn-purple:hover { transform:translateY(-1px); box-shadow:0 6px 20px rgba(124,58,237,0.4); }
.btn-success {
  background:linear-gradient(135deg,var(--green),#059669);
  color:#fff;
  box-shadow:0 4px 15px rgba(16,185,129,0.3);
}
.btn-success:hover { transform:translateY(-1px); box-shadow:0 6px 20px rgba(16,185,129,0.4); }
.btn-danger {
  background:linear-gradient(135deg,var(--red),#dc2626);
  color:#fff;
  box-shadow:0 4px 15px rgba(239,68,68,0.3);
}
.btn-danger:hover { transform:translateY(-1px); box-shadow:0 6px 20px rgba(239,68,68,0.4); }
.btn-warning {
  background:linear-gradient(135deg,var(--yellow),#d97706);
  color:#000;
  box-shadow:0 4px 15px rgba(245,158,11,0.3);
}
.btn-secondary {
  background:rgba(255,255,255,0.05);
  color:var(--text);
  border-color:var(--border2);
}
.btn-secondary:hover { background:rgba(255,255,255,0.1); border-color:rgba(255,255,255,0.2); }
.btn-ghost { background:transparent; color:var(--muted); border-color:transparent; }
.btn-ghost:hover { background:rgba(255,255,255,0.05); color:var(--text); }
.btn-sm { padding:6px 12px; font-size:12px; }
.btn-lg { padding:13px 28px; font-size:15px; border-radius:10px; }
.btn-icon { width:36px; height:36px; padding:0; }

/* ── Forms ──────────────────────────────────────────── */
.form-group { margin-bottom:18px; }
.form-group label {
  display:block;
  font-size:12px;
  font-weight:600;
  color:var(--muted);
  text-transform:uppercase;
  letter-spacing:0.6px;
  margin-bottom:7px;
}
.form-group label .req { color:var(--red); margin-left:3px; }
.form-control {
  width:100%;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border2);
  border-radius:var(--radius-sm);
  color:var(--text);
  padding:10px 14px;
  font-size:13.5px;
  transition:var(--trans);
  -webkit-appearance:none;
}
.form-control:focus {
  outline:none;
  border-color:var(--cyan);
  background:rgba(0,212,255,0.04);
  box-shadow:0 0 0 3px rgba(0,212,255,0.1);
}
.form-control::placeholder { color:var(--muted2); }
select.form-control { cursor:pointer; }
textarea.form-control { resize:vertical; min-height:100px; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-grid-3 { display:grid; grid-template-columns:1fr 1fr 1fr; gap:16px; }
.form-hint { font-size:11px; color:var(--muted); margin-top:5px; }
.form-check { display:flex; align-items:center; gap:8px; cursor:pointer; }
.form-check input[type=checkbox] { width:16px; height:16px; accent-color:var(--cyan); cursor:pointer; }
@media(max-width:600px) { .form-grid,.form-grid-3 { grid-template-columns:1fr; } }

/* ── Page Header ────────────────────────────────────── */
.page-header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:24px;
  flex-wrap:wrap;
  gap:12px;
}
.page-title {
  font-size:22px;
  font-weight:800;
  background:linear-gradient(135deg,var(--text),var(--muted));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.page-sub { font-size:13px; color:var(--muted); margin-top:3px; }

/* ── Alert / Flash ──────────────────────────────────── */
.alert {
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 18px;
  border-radius:var(--radius-sm);
  margin-bottom:20px;
  font-size:13px;
  border:1px solid;
}
.alert-success { background:rgba(16,185,129,0.1); border-color:rgba(16,185,129,0.3); color:var(--green); }
.alert-error   { background:rgba(239,68,68,0.1); border-color:rgba(239,68,68,0.3); color:var(--red); }
.alert-warning { background:rgba(245,158,11,0.1); border-color:rgba(245,158,11,0.3); color:var(--yellow); }
.alert-info    { background:rgba(0,212,255,0.08); border-color:rgba(0,212,255,0.2); color:var(--cyan); }

/* ── Search & Filter ────────────────────────────────── */
.search-bar {
  display:flex;
  gap:10px;
  padding:16px 22px;
  border-bottom:1px solid var(--border);
  flex-wrap:wrap;
}
.search-input {
  flex:1;
  min-width:200px;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border2);
  border-radius:var(--radius-sm);
  color:var(--text);
  padding:9px 14px;
  font-size:13px;
}
.search-input:focus { outline:none; border-color:var(--cyan); }
.filter-chip {
  display:inline-flex; align-items:center; gap:5px;
  padding:5px 12px;
  border-radius:20px;
  font-size:12px; font-weight:600;
  cursor:pointer;
  border:1px solid var(--border2);
  background:rgba(255,255,255,0.04);
  color:var(--muted);
  transition:var(--trans);
}
.filter-chip:hover,.filter-chip.active { border-color:var(--cyan); color:var(--cyan); background:rgba(0,212,255,0.08); }

/* ── Zone Grid / Map ────────────────────────────────── */
.zone-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(90px,1fr));
  gap:10px;
  padding:20px;
}
.zone-spot {
  aspect-ratio:1.5/1;
  border-radius:10px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  border:2px solid;
  transition:var(--trans);
  position:relative;
  overflow:hidden;
}
.zone-spot.free {
  background:rgba(16,185,129,0.1);
  border-color:rgba(16,185,129,0.4);
  color:var(--green);
}
.zone-spot.free:hover { background:rgba(16,185,129,0.2); transform:translateY(-2px); }
.zone-spot.occupied {
  background:rgba(239,68,68,0.12);
  border-color:rgba(239,68,68,0.4);
  color:var(--red);
}
.zone-spot.occupied:hover { background:rgba(239,68,68,0.2); transform:translateY(-2px); }
.zone-spot-code { font-size:16px; font-weight:800; }
.zone-spot-label { font-size:9px; font-weight:500; opacity:0.8; margin-top:2px; }

/* ── Pagination ─────────────────────────────────────── */
.pagination {
  display:flex; align-items:center; justify-content:center;
  gap:5px; padding:16px;
  flex-wrap:wrap;
}
.page-btn {
  min-width:36px; height:36px;
  display:flex; align-items:center; justify-content:center;
  border-radius:var(--radius-sm);
  font-size:13px; font-weight:600;
  cursor:pointer;
  border:1px solid var(--border2);
  background:rgba(255,255,255,0.04);
  color:var(--muted);
  transition:var(--trans);
}
.page-btn:hover { border-color:var(--cyan); color:var(--cyan); }
.page-btn.active { background:rgba(0,212,255,0.15); border-color:var(--cyan); color:var(--cyan); }

/* ── Vehicle Card ───────────────────────────────────── */
.vehicle-card {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  transition:var(--trans);
  position:relative;
  overflow:hidden;
}
.vehicle-card::after {
  content:'';
  position:absolute;
  top:0; left:0; right:0;
  height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  opacity:0;
  transition:var(--trans);
}
.vehicle-card:hover { border-color:var(--border2); transform:translateY(-2px); box-shadow:var(--shadow); }
.vehicle-card:hover::after { opacity:1; }

/* ── Timeline ───────────────────────────────────────── */
.timeline { position:relative; padding-left:24px; }
.timeline::before {
  content:''; position:absolute;
  left:7px; top:0; bottom:0;
  width:2px; background:var(--border);
}
.timeline-item { position:relative; margin-bottom:20px; }
.timeline-dot {
  width:16px; height:16px;
  border-radius:50%;
  background:var(--cyan);
  border:2px solid var(--bg);
  box-shadow:0 0 8px rgba(0,212,255,0.5);
  position:absolute;
  left:-20px; top:3px;
}
.timeline-content { background:var(--card2); border:1px solid var(--border); border-radius:var(--radius-sm); padding:12px 16px; }
.timeline-title { font-size:13px; font-weight:600; }
.timeline-time { font-size:11px; color:var(--muted); margin-top:2px; }

/* ── Photo Gallery ──────────────────────────────────── */
.photo-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(120px,1fr)); gap:10px; }
.photo-thumb {
  aspect-ratio:4/3;
  border-radius:var(--radius-sm);
  overflow:hidden;
  cursor:pointer;
  border:2px solid var(--border);
  transition:var(--trans);
  position:relative;
}
.photo-thumb:hover { border-color:var(--cyan); transform:scale(1.02); }
.photo-thumb img { width:100%; height:100%; object-fit:cover; }
.photo-upload-zone {
  border:2px dashed var(--border2);
  border-radius:var(--radius);
  padding:40px;
  text-align:center;
  cursor:pointer;
  transition:var(--trans);
}
.photo-upload-zone:hover { border-color:var(--cyan); background:rgba(0,212,255,0.03); }
.photo-upload-zone i { font-size:36px; color:var(--muted); display:block; margin-bottom:12px; }

/* ── Dashboard Widgets ───────────────────────────────── */
.dash-grid { display:grid; grid-template-columns:2fr 1fr; gap:20px; }
@media(max-width:900px) { .dash-grid { grid-template-columns:1fr; } }
.chart-wrap { position:relative; height:280px; }

/* ── Warning Banner ─────────────────────────────────── */
.warning-banner {
  background:rgba(245,158,11,0.08);
  border:1px solid rgba(245,158,11,0.25);
  border-radius:var(--radius-sm);
  padding:14px 18px;
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:20px;
}
.warning-banner.danger { background:rgba(239,68,68,0.08); border-color:rgba(239,68,68,0.25); }

/* ── Login Page ─────────────────────────────────────── */
.login-page {
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:radial-gradient(ellipse at 20% 50%, rgba(0,212,255,0.06) 0%, transparent 60%),
             radial-gradient(ellipse at 80% 20%, rgba(124,58,237,0.08) 0%, transparent 60%),
             var(--bg);
}
.login-box {
  width:420px;
  max-width:95vw;
  background:var(--card);
  border:1px solid var(--border2);
  border-radius:20px;
  padding:44px;
  box-shadow:var(--shadow-lg);
}
.login-logo {
  text-align:center;
  margin-bottom:32px;
}
.login-logo .icon {
  width:72px; height:72px;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  border-radius:20px;
  display:inline-flex; align-items:center; justify-content:center;
  font-size:34px;
  box-shadow:var(--glow-c),var(--glow-p);
  margin-bottom:16px;
}
.login-logo h1 { font-size:20px; font-weight:800; }
.login-logo p { font-size:13px; color:var(--muted); margin-top:4px; }

/* ── Print ──────────────────────────────────────────── */
@media print {
  .sidebar,.topbar,.no-print { display:none!important; }
  .main { margin-left:0; }
  body { background:#fff; color:#000; }
  .card { border:1px solid #ddd; }
}

/* ── Animations ─────────────────────────────────────── */
@keyframes fadeIn { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:translateY(0); } }
@keyframes pulse  { 0%,100%{opacity:1}50%{opacity:0.6} }
@keyframes spin   { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
.fade-in  { animation:fadeIn 0.4s ease forwards; }
.pulse    { animation:pulse 2s infinite; }
.spin     { animation:spin 1s linear infinite; }

/* ── Misc ───────────────────────────────────────────── */
.divider { height:1px; background:var(--border); margin:20px 0; }
.text-muted { color:var(--muted); }
.text-cyan  { color:var(--cyan); }
.text-green { color:var(--green); }
.text-red   { color:var(--red); }
.text-gold  { color:var(--gold); }
.text-sm    { font-size:12px; }
.fw-bold    { font-weight:700; }
.fw-800     { font-weight:800; }
.d-flex     { display:flex; }
.align-center { align-items:center; }
.gap-8  { gap:8px; }
.gap-12 { gap:12px; }
.gap-16 { gap:16px; }
.mt-8  { margin-top:8px; }
.mt-16 { margin-top:16px; }
.mt-20 { margin-top:20px; }
.mb-8  { margin-bottom:8px; }
.mb-16 { margin-bottom:16px; }
.mb-20 { margin-bottom:20px; }
.w-100 { width:100%; }
.text-center { text-align:center; }
.mono { font-family:'JetBrains Mono',monospace; }

/* ── Empty State ─────────────────────────────────────── */
.empty-state {
  text-align:center;
  padding:60px 20px;
  color:var(--muted);
}
.empty-state i { font-size:48px; display:block; margin-bottom:16px; opacity:0.4; }
.empty-state h3 { font-size:16px; font-weight:700; margin-bottom:8px; color:var(--text); }
.empty-state p { font-size:13px; }

/* ── Tooltip ─────────────────────────────────────────── */
[data-tip] { position:relative; }
[data-tip]:hover::after {
  content:attr(data-tip);
  position:absolute;
  bottom:calc(100% + 6px);
  left:50%;
  transform:translateX(-50%);
  background:rgba(0,0,0,0.9);
  color:#fff;
  font-size:11px;
  padding:5px 10px;
  border-radius:6px;
  white-space:nowrap;
  z-index:1000;
  pointer-events:none;
}

/* ── Install Page ────────────────────────────────────── */
.install-step {
  display:none;
}
.install-step.active { display:block; }
.step-indicator { display:flex; gap:8px; margin-bottom:28px; justify-content:center; }
.step-dot {
  width:10px; height:10px;
  border-radius:50%;
  background:var(--border2);
  transition:var(--trans);
}
.step-dot.active { background:var(--cyan); box-shadow:0 0 8px rgba(0,212,255,0.5); }
.step-dot.done { background:var(--green); }

/* ── Toast ──────────────────────────────────────────── */
.toast {
  position:fixed;
  bottom:24px; right:24px;
  background:var(--card);
  border:1px solid var(--border2);
  border-radius:var(--radius-sm);
  padding:12px 18px;
  font-size:13px;
  font-weight:600;
  display:flex; align-items:center; gap:10px;
  z-index:9999;
  opacity:0;
  transform:translateY(10px);
  transition:all 0.3s ease;
  box-shadow:var(--shadow);
}
.toast.show { opacity:1; transform:translateY(0); }
.toast-success { border-color:rgba(16,185,129,0.4); color:var(--green); }
.toast-error   { border-color:rgba(239,68,68,0.4); color:var(--red); }
.toast-info    { border-color:rgba(0,212,255,0.3); color:var(--cyan); }

/* ── Overlay ─────────────────────────────────────────── */
.overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,0.6); z-index:99; backdrop-filter:blur(4px); }
.overlay.show { display:block; }

/* ── Lightbox ────────────────────────────────────────── */
#lightbox {
  display:none;
  position:fixed; inset:0;
  background:rgba(0,0,0,0.92);
  z-index:9999;
  align-items:center;
  justify-content:center;
  cursor:zoom-out;
}
#lightbox img { max-width:95vw; max-height:95vh; border-radius:var(--radius); }

/* ── Calc Result ─────────────────────────────────────── */
.calc-result {
  background:rgba(0,212,255,0.05);
  border:1px solid rgba(0,212,255,0.2);
  border-radius:var(--radius-sm);
  padding:14px;
  margin-top:12px;
}
.calc-row { display:flex; justify-content:space-between; padding:4px 0; font-size:13px; }