:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-input: #12151e;
  --border: #2a2f3d;
  --text: #e4e6eb;
  --text-muted: #8b92a5;
  --primary: #4f8cff;
  --primary-hover: #3a7aef;
  --success: #34c759;
  --warning: #ff9f0a;
  --danger: #ff453a;
  --info: #5ac8fa;
  --radius: 10px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.hidden { display: none !important; }

.view { min-height: 100vh; }

/* Login */
.login-card {
  max-width: 400px;
  margin: 15vh auto;
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.login-card h1 { font-size: 1.75rem; margin-bottom: 0.25rem; }
.subtitle { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 0.9rem; }

label {
  display: block;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

input, select, textarea {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.65rem 0.85rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* Buttons */
.btn {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary { background: var(--primary); color: #fff; width: 100%; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-muted); }
.btn-success { background: var(--success); color: #000; }
.btn-warning { background: var(--warning); color: #000; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-info { background: var(--info); color: #000; }

/* Topbar */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}

.topbar-left { display: flex; align-items: center; gap: 1rem; }
.topbar-left h1 { font-size: 1.25rem; }
.topbar-right { display: flex; align-items: center; gap: 1rem; }
.user-label { color: var(--text-muted); font-size: 0.9rem; }

.status-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  font-weight: 500;
}
.status-badge.online { background: rgba(52, 199, 89, 0.15); color: var(--success); }
.status-badge.offline { background: rgba(255, 69, 58, 0.15); color: var(--danger); }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 2rem; }

.search-section { margin-bottom: 2rem; }
.search-section h2 { margin-bottom: 0.5rem; }
.hint { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 1rem; }

.search-form {
  display: flex;
  gap: 0.75rem;
}
.search-form input { flex: 1; margin-top: 0; }
.search-form .btn { width: auto; white-space: nowrap; }

.status-text { color: var(--primary); margin-top: 0.75rem; font-size: 0.9rem; }
.error { color: var(--danger); margin-top: 0.75rem; font-size: 0.9rem; }

.search-results {
  margin-top: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.search-results h3 {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}

.search-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
}

.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--bg-input); }

.search-result-item .meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.search-result-item .name { font-weight: 500; }

/* User section */
.user-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.action-buttons { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.stat-card .label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-card .value { font-size: 1.1rem; margin-top: 0.25rem; word-break: break-all; }

.panels-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
  .panels-row { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; gap: 0.75rem; }
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.panel h3 { margin-bottom: 1rem; font-size: 1rem; }
.panel-full { margin-bottom: 1.5rem; }

.badge {
  font-size: 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  padding: 0.1rem 0.5rem;
  border-radius: 10px;
  color: var(--text-muted);
  margin-left: 0.5rem;
}

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }

.devices-actions {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.devices-list { display: flex; flex-direction: column; gap: 0.5rem; }

.device-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.device-info .platform {
  font-weight: 600;
  font-size: 0.9rem;
}

.device-info .meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.device-hwid {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: monospace;
  word-break: break-all;
  max-width: 180px;
}

.date-field {
  display: flex;
  gap: 0.5rem;
}

.date-field input[type="text"] { flex: 1; cursor: pointer; }
.date-field .btn { width: auto; white-space: nowrap; }

/* Datepicker */
.datepicker-overlay {
  position: absolute;
  z-index: 1000;
}

.datepicker {
  display: flex;
  background: #1e222d;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  overflow: hidden;
  min-width: 340px;
}

.datepicker-presets {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.75rem;
  border-right: 1px solid var(--border);
  background: #181b24;
}

.datepicker-presets button {
  background: transparent;
  border: none;
  color: var(--text-muted);
  text-align: left;
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  white-space: nowrap;
}

.datepicker-presets button:hover {
  background: var(--bg-input);
  color: var(--text);
}

.datepicker-main { padding: 0.75rem; flex: 1; }

.datepicker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.dp-title { font-weight: 600; font-size: 0.95rem; }

.dp-nav {
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.dp-nav:hover { background: var(--bg-input); }

.datepicker-weekdays,
.datepicker-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  text-align: center;
}

.datepicker-weekdays {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.datepicker-weekdays .weekend { color: #e85d5d; }

.dp-day {
  background: transparent;
  border: none;
  color: var(--text);
  padding: 0.45rem 0;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.85rem;
  width: 32px;
  height: 32px;
  margin: auto;
}

.dp-day.muted { color: #555a66; }
.dp-day.weekend:not(.muted) { color: #e85d5d; }
.dp-day:hover { background: var(--bg-input); }
.dp-day.selected {
  background: #2eb8a6;
  color: #fff;
}

.datepicker-footer {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  align-items: center;
}

.dp-time {
  flex: 1;
  margin: 0 !important;
  padding: 0.5rem !important;
}

.dp-apply {
  background: #2eb8a6;
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
}

.dp-apply:hover { background: #26a594; }

.details-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.85rem;
}

.details-grid .key { color: var(--text-muted); }
.details-grid .val { word-break: break-all; }

.edit-form label { margin-bottom: 0.75rem; font-size: 0.8rem; }
.edit-form .btn { width: auto; margin-top: 0.5rem; }

.code-block {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  font-size: 0.8rem;
  overflow-x: auto;
  max-height: 300px;
  white-space: pre-wrap;
  word-break: break-all;
}

.status-active { color: var(--success); }
.status-disabled, .status-limited { color: var(--warning); }
.status-expired { color: var(--danger); }