/* Fastway BBS - WebUI Theme */
:root, [data-theme="dark"] {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1f2937;
  --bg-input: #374151;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border: #374151;
  --shadow: rgba(0, 0, 0, 0.3);
  --msg-unread-color: #f0f6ff;
  --msg-unread-bg: rgba(59, 130, 246, 0.15);
  --msg-read-color: #4b5563;
  --unread-dot: #60a5fa;
  --unread-dot-glow: rgba(96, 165, 250, 0.8);
  --unread-border: #3b82f6;
}

[data-theme="light"] {
  --bg-primary: #f3f4f6;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #e5e7eb;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --border: #d1d5db;
  --shadow: rgba(0, 0, 0, 0.1);
  --msg-unread-color: #1e3a5f;
  --msg-unread-bg: rgba(37, 99, 235, 0.08);
  --msg-read-color: #9ca3af;
  --unread-dot: #2563eb;
  --unread-dot-glow: rgba(37, 99, 235, 0.5);
  --unread-border: #2563eb;
}

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

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

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

/* ---- Login Page ---- */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 1rem;
}

.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 24px var(--shadow);
}

.login-box h1 {
  text-align: center;
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
}

.login-box .subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 0.875rem;
}

/* ---- Form Elements ---- */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.625rem 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
}

textarea {
  resize: vertical;
  font-family: 'Courier New', Courier, monospace;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  gap: 0.375rem;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-outline:hover { background: var(--bg-input); }

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-sm {
  padding: 0.3rem 0.6rem;
  font-size: 0.8rem;
}

.btn-block {
  width: 100%;
}

/* ---- Navbar ---- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.navbar-brand {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.navbar-brand .version {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: 0.5rem;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  list-style: none;
}

.navbar-nav a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  transition: all 0.15s;
}
.navbar-nav a:hover, .navbar-nav a.active {
  color: var(--text-primary);
  background: var(--bg-input);
  text-decoration: none;
}

.navbar-user {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.3rem 0.5rem;
  font-size: 1rem;
  line-height: 1;
  transition: all 0.15s;
}
.theme-toggle:hover {
  background: var(--bg-input);
  color: var(--text-primary);
}

/* ---- Content ---- */
.content {
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.page-header {
  margin-bottom: 1rem;
}

.page-header h1 {
  font-size: 1.3rem;
  font-weight: 600;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

/* ---- Alert ---- */
.alert {
  padding: 0.625rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}
.alert-success { background: rgba(16, 185, 129, 0.15); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.3); }
.alert-error { background: rgba(239, 68, 68, 0.15); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.alert-warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.3); }

/* ---- Message Layout ---- */
.msg-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1rem;
  height: calc(100vh - 120px);
}

.area-tree {
  overflow-y: auto;
  border-right: 1px solid var(--border);
  padding-right: 1rem;
}

.conf-group { margin-bottom: 0.5rem; }

.conf-name {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 0.5rem 0.25rem;
}

.area-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  border-radius: 4px;
  font-size: 0.85rem;
  transition: background 0.15s;
}
.area-item:hover { background: var(--bg-input); }
.area-item.selected {
  background: var(--bg-input);
  border-left: 3px solid var(--accent);
  padding-left: calc(0.75rem - 3px);
}
.area-item .area-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.area-badge {
  font-size: 0.6rem;
  padding: 1px 5px;
  border-radius: 3px;
  text-transform: uppercase;
  font-weight: 600;
}
.area-badge.echo { background: #1e3a5f; color: #60a5fa; }
.area-badge.net { background: #3b1f45; color: #c084fc; }
.area-badge.local { background: #1a3328; color: #4ade80; }

/* ---- Message Panel ---- */
.msg-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.msg-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}
.msg-toolbar .area-title { font-weight: 600; font-size: 1rem; }

.msg-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.msg-table th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  text-transform: uppercase;
}
.msg-table td {
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid rgba(55, 65, 81, 0.3);
  white-space: nowrap;
}
.msg-table tr { cursor: pointer; transition: background 0.1s; }
.msg-table tbody tr:hover { background: var(--bg-input); }

.msg-viewer { display: none; flex: 1; overflow-y: auto; }
.msg-viewer.active { display: block; }

.msg-header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 1rem;
  padding: 0.75rem;
  background: var(--bg-input);
  border-radius: 4px;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}
.msg-header .label {
  color: var(--text-muted);
  text-align: right;
  font-weight: 500;
}

.msg-body {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-wrap: break-word;
  padding: 0.75rem;
  background: var(--bg-input);
  border-radius: 4px;
  min-height: 200px;
  line-height: 1.4;
}

.msg-meta {
  margin-top: 0.75rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: 'Courier New', Courier, monospace;
  background: var(--bg-input);
  border-radius: 4px;
}
.msg-meta-label { color: var(--accent); font-weight: 600; }

.msg-list-wrap { flex: 1; overflow-y: auto; }

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  font-size: 0.8rem;
}

.msg-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 300px;
  color: var(--text-muted);
}

/* Unread indicators */
.msg-unread td { font-weight: 700 !important; color: var(--msg-unread-color) !important; }
.msg-unread td:first-child { border-left: 3px solid var(--unread-border); }
.msg-unread { background: var(--msg-unread-bg) !important; }
.msg-table tbody tr:not(.msg-unread) td { color: var(--msg-read-color) !important; font-weight: 400 !important; opacity: 0.5 !important; }
.msg-table tbody tr:not(.msg-unread) td:first-child { border-left: 3px solid transparent; }
.unread-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--unread-dot);
  box-shadow: 0 0 8px var(--unread-dot-glow);
}
.unread-badge {
  font-size: 0.65rem;
  padding: 0 5px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  min-width: 16px;
  text-align: center;
  line-height: 16px;
}
.area-item.has-unread .area-name { font-weight: bold; }

/* ---- Compose Modal ---- */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}
.modal-overlay.active { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal h2 { margin-bottom: 1rem; font-size: 1.1rem; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
}

.compose-form .form-group { margin-bottom: 0.75rem; }
.compose-form label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.compose-form textarea { min-height: 200px; }

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