/* ═══════════════════════════════════════════════════════════════
   PHYGITAL-OC — Design System
   Dark institutional theme with cyan accents
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─── Reset & Variables ─────────────────────────────────────── */
:root {
  --bg-primary: #0d1b2a;
  --bg-secondary: #132238;
  --bg-card: rgba(19, 34, 56, 0.85);
  --bg-input: rgba(255, 255, 255, 0.06);
  --bg-input-focus: rgba(255, 255, 255, 0.1);

  --accent: #00d4aa;
  --accent-hover: #00f0c0;
  --accent-glow: rgba(0, 212, 170, 0.25);
  --accent-subtle: rgba(0, 212, 170, 0.08);

  --danger: #ff4d6a;
  --danger-hover: #ff6b84;
  --danger-glow: rgba(255, 77, 106, 0.2);

  --text-primary: #e8edf3;
  --text-secondary: #8a9bb5;
  --text-muted: #5a6d85;

  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);

  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--accent-glow);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Background Map Texture ───────────────────────────────── */
.bg-pattern {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 70% 40%, rgba(0, 212, 170, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 30% 70%, rgba(0, 100, 180, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(13, 27, 42, 1) 0%, rgba(13, 27, 42, 0.95) 100%);
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.03;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ─── Page Layout ──────────────────────────────────────────── */
.page-container {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

/* ─── Login Card ───────────────────────────────────────────── */
.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth-card__logo {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-card__logo h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.auth-card__logo .subtitle {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.auth-card__divider {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin: 0 auto 2rem;
  border-radius: 2px;
}

/* ─── Form Elements ────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  background: var(--bg-input-focus);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  outline: none;
}

.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), #00b89c);
  color: var(--bg-primary);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover), var(--accent));
  box-shadow: 0 8px 32px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-input-focus);
  border-color: var(--border-hover);
}

.btn-danger {
  background: rgba(255, 77, 106, 0.1);
  color: var(--danger);
  border: 1px solid rgba(255, 77, 106, 0.2);
}

.btn-danger:hover {
  background: rgba(255, 77, 106, 0.2);
  box-shadow: 0 4px 16px var(--danger-glow);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

.btn-icon {
  padding: 0.5rem;
  width: 36px;
  height: 36px;
}

/* ─── Error / Success Messages ─────────────────────────────── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1rem;
  display: none;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.alert-error {
  background: rgba(255, 77, 106, 0.1);
  border: 1px solid rgba(255, 77, 106, 0.2);
  color: var(--danger);
}

.alert-success {
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.2);
  color: var(--accent);
}

/* ─── Navbar ───────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 2rem;
  background: rgba(13, 27, 42, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.navbar__brand h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.03em;
}

.navbar__brand .badge {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-subtle);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid rgba(0, 212, 170, 0.15);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar__user {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.navbar__user strong {
  color: var(--text-primary);
}

/* ─── Content wrapper ──────────────────────────────────────── */
.content-wrapper {
  position: relative;
  z-index: 1;
  padding-top: 60px;
  min-height: 100vh;
}

/* ─── Admin Panel ──────────────────────────────────────────── */
.admin-container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 2rem;
}

.admin-header {
  margin-bottom: 2rem;
}

.admin-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.admin-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ─── Create User Form Card ───────────────────────────────── */
.panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.panel__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel__title .icon {
  color: var(--accent);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 500px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}

.checkbox-group label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  margin: 0;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 500;
}

/* ─── Users Table ──────────────────────────────────────────── */
.users-table {
  width: 100%;
  border-collapse: collapse;
}

.users-table th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.users-table td {
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
}

.users-table tr {
  transition: var(--transition-fast);
}

.users-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.users-table .username {
  color: var(--text-primary);
  font-weight: 500;
}

.badge-role {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.badge-role--super {
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid rgba(0, 212, 170, 0.15);
}

.badge-role--user {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

/* ─── Iframe container (main page) ─────────────────────────── */
.iframe-wrapper {
  position: relative;
  width: 100%;
  height: calc(100vh - 60px);
}

.iframe-wrapper iframe {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  border: none;
}

/* ─── Spinner ──────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ─── Empty state ──────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  opacity: 0.4;
}

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 480px) {
  .auth-card {
    padding: 2rem 1.5rem;
  }

  .admin-container {
    padding: 0 1rem;
  }

  .navbar {
    padding: 0.75rem 1rem;
  }
}

/* ─── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* ─── Toast notification ───────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  z-index: 999;
  animation: slideInRight 0.4s ease-out;
  box-shadow: var(--shadow-md);
}

.toast-success {
  background: rgba(0, 212, 170, 0.15);
  border: 1px solid rgba(0, 212, 170, 0.3);
  color: var(--accent);
}

.toast-error {
  background: rgba(255, 77, 106, 0.15);
  border: 1px solid rgba(255, 77, 106, 0.3);
  color: var(--danger);
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}