/* ============================================
   FC Admin — Platform Styles
   Shared across all apps
   ============================================ */

:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-border: #e2e8f0;
  --color-danger: #ef4444;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --max-width: 720px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- Layout ---- */

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

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

/* ---- Navigation ---- */

nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 16px;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav .nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: nowrap;
}

nav .nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}

nav .logo {
  font-weight: 700;
  font-size: 18px;
  color: var(--color-primary);
  text-decoration: none;
}

nav .nav-separator {
  color: var(--color-border);
  font-size: 18px;
  font-weight: 300;
}

nav .nav-app-name {
  font-weight: 600;
  font-size: 16px;
  color: var(--color-text);
}

nav .nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
  white-space: nowrap;
  flex-shrink: 0;
}

nav .nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 4px 6px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}

nav .nav-links a:hover,
nav .nav-links a.active {
  color: var(--color-primary);
  background: #eff6ff;
}

nav .nav-inner > div:last-child {
  white-space: nowrap;
  flex-shrink: 0;
}

nav .user-info {
  font-size: 13px;
  color: var(--color-text-secondary);
}

nav .btn-logout {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 13px;
  margin-left: 8px;
}

nav .btn-logout:hover {
  color: var(--color-danger);
}

nav .btn-delete-account {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 12px;
  margin-left: 8px;
  opacity: 0.5;
}

nav .btn-delete-account:hover {
  color: var(--color-danger);
  opacity: 1;
}

/* ---- Typography ---- */

h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.subtitle {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
}

label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
  color: var(--color-text);
}

.label-hint {
  font-weight: 400;
  color: var(--color-text-secondary);
  font-size: 13px;
}

/* ---- Forms ---- */

input[type="email"],
input[type="password"],
input[type="text"],
input[type="url"],
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
  line-height: 1.5;
  transition: border-color 0.15s;
  background: var(--color-surface);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group {
  margin-bottom: 20px;
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

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

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

.btn-magic {
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
  color: white;
}

.btn-magic:hover {
  background: linear-gradient(135deg, #7c3aed, #4f46e5);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-row {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

/* ---- Status Messages ---- */

.status-bar {
  font-size: 13px;
  color: var(--color-text-secondary);
  padding: 8px 0;
  min-height: 32px;
}

.status-bar.saving {
  color: var(--color-warning);
}

.status-bar.saved {
  color: var(--color-success);
}

.status-bar.error {
  color: var(--color-danger);
}

.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 16px;
}

.alert-error {
  background: #fef2f2;
  color: var(--color-danger);
  border: 1px solid #fecaca;
}

.alert-success {
  background: #f0fdf4;
  color: #16a34a;
  border: 1px solid #bbf7d0;
}

.alert-info {
  background: #eff6ff;
  color: var(--color-primary);
  border: 1px solid #bfdbfe;
}

/* ---- Login Page ---- */

.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 16px;
}

.login-card {
  width: 100%;
  max-width: 400px;
}

.login-card h1 {
  text-align: center;
  margin-bottom: 4px;
}

.login-card .subtitle {
  text-align: center;
  margin-bottom: 32px;
}

.login-toggle {
  text-align: center;
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.login-toggle a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.divider {
  display: flex;
  align-items: center;
  margin: 20px 0;
  color: var(--color-text-secondary);
  font-size: 13px;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--color-border);
}

.divider span {
  padding: 0 12px;
}

.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  font-weight: 500;
  cursor: pointer;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  transition: background 0.15s, box-shadow 0.15s;
}

.btn-google:hover {
  background: #f8fafc;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

/* ---- Loading ---- */

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ---- Responsive ---- */

@media (max-width: 600px) {
  .container {
    padding: 16px 12px;
  }

  .card {
    padding: 16px;
  }

  .btn-row {
    flex-direction: column;
  }

  nav .nav-links {
    gap: 8px;
  }
}