/* assets/css/style.css */
:root {
  --bg: #0b0c10;
  --panel: #15171c;
  --panel-2: #121318;
  --border: #20222a;
  --text: #e6e6e6;
  --muted: #9aa0a6;
  --brand: #4f46e5;
  --accent: #00d4ff;
  --success: #18d27c;
  --warning: #f2b01e;
  --danger: #ff6b6b;
  --focus: rgba(79, 70, 229, 0.45);
  --shadow: rgba(0, 0, 0, 0.35);
}

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

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }

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

h1, h2, h3 {
  margin: 0 0 10px;
  line-height: 1.2;
  font-weight: 700;
}
p { margin: 0 0 12px; color: var(--text); }
small, .muted { color: var(--muted); }

.container {
  max-width: 1080px;
  margin: 24px auto;
  padding: 0 16px;
}

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px var(--shadow);
}
.brand { font-weight: 800; color: var(--brand); letter-spacing: 0.2px; }
.topbar nav { display: flex; align-items: center; gap: 12px; }
.topbar nav a {
  color: var(--text);
  padding: 6px 10px;
  border-radius: 8px;
}
.topbar nav a:hover { background: #191c25; text-decoration: none; }

/* Footer */
.footer {
  padding: 18px 16px 28px;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.02));
}

/* Grid & Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  box-shadow: 0 2px 10px var(--shadow);
}
.card:hover {
  transform: translateY(-3px);
  border-color: #293042;
  box-shadow: 0 6px 22px var(--shadow);
}
.card img { width: 100%; height: 160px; object-fit: cover; background: #0d0f15; }
.card-body { padding: 12px; display: grid; gap: 6px; }
.title { font-weight: 600; letter-spacing: .2px; }
.price { color: #9ef5c2; font-weight: 700; }

/* Buttons */
button, .btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  transition: transform .05s ease, box-shadow .15s ease, background .15s ease;
  box-shadow: 0 6px 18px rgba(79,70,229,.25);
}
button:hover, .btn:hover { transform: translateY(-1px); }
button:active, .btn:active { transform: translateY(0); }
.btn.secondary { background: #222633; border-color: #30364a; color: var(--text); box-shadow: none; }
.btn.outline { background: transparent; border-color: #3a4054; color: var(--text); }
.btn.danger { background: var(--danger); box-shadow: 0 6px 18px rgba(255,107,107,.25); }
.btn.block { width: 100%; }
.btn.icon { padding: 8px 10px; border-radius: 8px; }

/* Forms */
label { display: block; margin: 10px 0 6px; font-weight: 600; color: var(--text); }
input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #2a2e39;
  background: #0e0f14;
  color: var(--text);
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
input::placeholder, textarea::placeholder { color: #7c8395; }
input:focus, select:focus, textarea:focus {
  border-color: #3b4a8a;
  box-shadow: 0 0 0 4px var(--focus);
  background: #0f1118;
}
input[readonly], input[disabled], textarea[readonly], textarea[disabled] {
  opacity: .7;
  cursor: not-allowed;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.help-text { color: var(--muted); font-size: 12px; margin-top: 4px; }
.error-text { color: var(--danger); font-size: 12px; margin-top: 4px; }

/* Tables (generic) */
.table {
  margin-top: 16px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.table-title {
  color: var(--muted);
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: #141722;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
thead th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: #131523;
}
tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid #191c26;
}
tbody tr:hover { background: #141722; }

/* Alerts */
.alert {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #2a2e39;
  background: #0f1118;
}
.alert.success { border-color: rgba(24,210,124,.35); background: rgba(24,210,124,.08); }
.alert.warn { border-color: rgba(242,176,30,.35); background: rgba(242,176,30,.08); }
.alert.danger { border-color: rgba(255,107,107,.35); background: rgba(255,107,107,.08); }

/* Badges & chips */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid #2f3550;
  background: #15192a;
  color: var(--text);
  font-size: 12px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #141a24;
  border: 1px solid #2a3042;
  font-size: 12px;
  color: var(--text);
}

/* Utilities */
.mt { margin-top: 12px; }
.mt-2 { margin-top: 20px; }
.mb { margin-bottom: 12px; }
.mb-2 { margin-bottom: 20px; }
.hidden { display: none !important; }
.text-center { text-align: center; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-between { justify-content: space-between; align-items: center; gap: 10px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 14px; }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.55);
  display: none; align-items: center; justify-content: center;
  z-index: 200;
}
.modal {
  width: min(92vw, 560px);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 20px 60px var(--shadow);
  padding: 16px;
}
.modal-header { font-weight: 700; margin-bottom: 8px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }
.modal-backdrop.show { display: flex; }

/* Spinner */
.spinner {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid #2b3050;
  border-top-color: var(--accent);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Responsive */
@media (max-width: 960px) {
  .container { margin: 18px auto; }
}
@media (max-width: 720px) {
  .topbar { padding: 10px 12px; }
  .topbar nav a { padding: 6px 8px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .form-row { grid-template-columns: 1fr; }
}