:root {
  --bg: #0f172a; /* slate-900 */
  --panel: #111827; /* gray-900 */
  --card: #1f2937; /* gray-800 */
  --primary: #22d3ee; /* cyan-400 */
  --accent: #a78bfa; /* violet-400 */
  --text: #e5e7eb; /* gray-200 */
  --muted: #9ca3af; /* gray-400 */
  --danger: #ef4444;
  --success: #22c55e; /* green-500 */
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: linear-gradient(135deg, var(--bg), #0b1020 60%);
  color: var(--text);
}

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: linear-gradient(180deg, #0b1220, #0a0f1b);
  border-right: 1px solid #111827;
  padding: 20px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar .brand {
  margin-bottom: 18px;
}
.menu {
  display: grid;
  gap: 6px;
}
.menu a {
  display: block;
  padding: 10px 12px;
  color: var(--text);
  text-decoration: none;
  border-radius: 10px;
  border: 1px solid transparent;
}
.menu a:hover {
  background: #0e1628;
  border-color: #18223a;
}
.menu a.active {
  background: linear-gradient(90deg, rgba(34,211,238,0.12), rgba(167,139,250,0.12));
  border-color: #1f2a44;
}

.main {
  padding: 16px 20px;
}

.container {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(180deg, var(--panel), var(--card));
  border: 1px solid #111827;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.35);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.brand .logo {
  width: 32px; height: 32px;
  background: radial-gradient(circle at 30% 30%, var(--primary), var(--accent));
  border-radius: 8px;
}

.brand h1 {
  font-size: 1.2rem;
  margin: 0;
  letter-spacing: 0.4px;
}

.subtitle { color: var(--muted); margin-bottom: 18px; }

form { display: grid; gap: 12px; }
label { font-size: 0.9rem; color: var(--muted); }

input[type="text"], input[type="password"], input[type="number"] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #242b3b;
  border-radius: 10px;
  background: #0b1220;
  color: var(--text);
}

select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #242b3b;
  border-radius: 10px;
  background: #0b1220;
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  color: #0b1020;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.05); }

.error {
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fecaca;
}

.notice {
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: #dcfce7; /* green-100 */
}

.nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; margin-bottom: 20px;
}
.nav a { color: var(--primary); text-decoration: none; }

.dashboard {
  max-width: 980px; margin: 0 auto;
  background: linear-gradient(180deg, var(--panel), var(--card));
  border: 1px solid #111827;
  border-radius: 16px;
  padding: 24px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}
.table th, .table td {
  border-bottom: 1px solid #243045;
  padding: 10px;
  text-align: left;
}
.table th { color: var(--muted); font-weight: 600; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.input-row { display: grid; gap: 6px; }
.sidebar .brand .logo {
  box-shadow: 0 0 24px rgba(167, 139, 250, 0.35);
}
.sidebar .brand strong {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.thumb {
  width: 44px; height: 44px; border-radius: 8px; object-fit: cover;
  border: 1px solid #243045;
  cursor: zoom-in;
}

.upload {
  border: 1px dashed #243045;
  border-radius: 10px;
  padding: 12px;
  background: #0b1220;
}
.upload input[type="file"] {
  width: 100%;
}

.actions {
  display: inline-flex;
  gap: 8px;
}

/* SweetAlert theme to match app palette */
.swal2-popup.swal-theme {
  background: linear-gradient(180deg, var(--panel), var(--card)) !important;
  border: 1px solid #111827 !important;
  border-radius: 16px !important;
  color: var(--text) !important;
  box-shadow: 0 20px 40px rgba(0,0,0,0.35) !important;
}
.swal-theme-container.swal2-container {
  background: rgba(11, 16, 32, 0.55) !important; /* dim backdrop */
  backdrop-filter: blur(2px) !important;
}
.swal2-popup.swal-theme .swal2-title { color: var(--text) !important; }
.swal2-popup.swal-theme .swal2-html-container { color: var(--text) !important; }
.swal-theme .swal2-actions { gap: 8px; }
.swal-theme ::placeholder { color: var(--muted) !important; }
.swal2-popup.swal-theme .swal2-icon.swal2-success { border-color: var(--success) !important; color: var(--success) !important; }
.swal2-popup.swal-theme .swal2-icon.swal2-error { border-color: var(--danger) !important; color: var(--danger) !important; }
.swal2-popup.swal-theme .swal2-icon.swal2-warning { border-color: var(--accent) !important; color: var(--accent) !important; }
.swal2-popup.swal-theme input[type="text"],
.swal2-popup.swal-theme .swal2-input,
.swal2-popup.swal-theme .swal2-file,
.swal2-popup.swal-theme input[type="number"] {
  width: 100% !important;
  padding: 12px 14px !important;
  border: 1px solid #242b3b !important;
  border-radius: 10px !important;
  background: #0b1220 !important;
  color: var(--text) !important;
}
/* Upload box inside modal matches card styling */
.swal2-popup.swal-theme .upload {
  border: 1px solid #243045 !important;
  border-radius: 10px !important;
  padding: 12px !important;
  background: linear-gradient(180deg, var(--panel), var(--card)) !important;
}

.btn-secondary {
  background: #243045;
  color: var(--text);
  border: 1px solid #2f3a52;
}
.btn-secondary:hover { filter: brightness(1.05); }

.btn-danger {
  background: linear-gradient(90deg, var(--danger), #f97316); /* red to orange */
  color: #0b1020;
}
.btn-danger:hover { filter: brightness(1.05); }
.preview-image {
  width: 100%;
  max-width: 600px;
  border-radius: 12px;
  border: 1px solid #243045;
  box-shadow: 0 12px 24px rgba(0,0,0,0.35);
}