/* 组件样式：navbar / footer / 按钮 / 卡片 / 表单 / 表格 / 统计 / 徽章 / 警告框。 */

/* ============================================================
   导航栏 / 页脚 —— 深色主题
   ============================================================ */
.navbar {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    padding: 1rem 0;
}

.navbar-brand {
    color: #fff !important;
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
}

@media (max-width: 991px) {
    .navbar-collapse {
        background: rgba(26, 26, 26, 0.98);
        border-radius: 8px;
        padding: 1rem;
        margin-top: 1rem;
    }
}

footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: rgba(255, 255, 255, 0.9);
}

footer a {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
}

footer a:hover {
    color: #fff;
}

footer p {
    color: rgba(255, 255, 255, 0.95);
}

/* ============================================================
   按钮 —— 粉色主题
   ============================================================ */
.btn-pink {
    background: linear-gradient(135deg, var(--pink-light) 0%, var(--pink-primary) 100%);
    border: none;
    color: var(--pink-dark);
    font-weight: 600;
}

.btn-pink:hover {
    background: linear-gradient(135deg, var(--pink-primary) 0%, var(--pink-hover) 100%);
    color: #5a1f3f;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 182, 193, 0.4);
}

.btn-outline-pink {
    border: 2px solid var(--pink-primary);
    color: var(--pink-dark);
    background: transparent;
    font-weight: 600;
}

.btn-outline-pink:hover {
    background: var(--pink-primary);
    color: #5a1f3f;
    border-color: var(--pink-primary);
}

/* ============================================================
   表单
   ============================================================ */
.form-control, .form-select {
    border-color: var(--pink-primary);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    border-color: var(--pink-primary);
    box-shadow: 0 0 0 0.2rem rgba(255, 182, 193, 0.25);
}

.form-control::placeholder {
    color: #999;
}

.form-label {
    color: var(--pink-dark);
    font-weight: 600;
}

.form-label.text-muted {
    color: var(--text-secondary) !important;
    font-weight: 600;
}

.form-text {
    color: var(--text-secondary);
}

/* ============================================================
   卡片 —— 通用 + 各业务变体
   ============================================================ */
.card, .info-card, .auth-card, .form-card, .feature-card, .error-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(255, 182, 193, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-primary);
}

.card:hover,
.info-card:hover,
.auth-card:hover,
.form-card:hover,
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(255, 182, 193, 0.3);
}

.card-body { color: var(--text-primary); }
.card-text { color: var(--text-secondary); }
.card-text.text-muted { color: #555 !important; }
.card-title { color: var(--pink-dark); font-weight: 700; }

.auth-card { padding: 40px; }
.info-card { padding: 30px; height: 100%; }
.error-card { padding: 60px 40px; text-align: center; }

.error-card .icon-box {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pink-light) 0%, var(--pink-primary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: var(--pink-dark);
    font-size: 3rem;
}

/* ============================================================
   表格
   ============================================================ */
.table {
    background: white;
    border-radius: 12px;
    overflow: hidden;
}

.table thead {
    background: linear-gradient(135deg, var(--pink-light) 0%, var(--pink-primary) 100%);
    color: var(--pink-dark);
}

.table thead th {
    color: var(--pink-dark);
    font-weight: 700;
}

.table tbody { color: var(--text-primary); }
.table tbody tr:hover { background: var(--pink-bg); }
.table td { color: var(--text-primary); }
.table th { font-weight: 700; }

/* ============================================================
   段落标题装饰线
   ============================================================ */
.section-title {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 30px;
    color: var(--pink-dark);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--pink-light) 0%, var(--pink-primary) 100%);
    border-radius: 2px;
}

.section-title.text-center::after {
    left: 50%;
    transform: translateX(-50%);
}

/* ============================================================
   统计卡片 —— 通用基底 + 状态变体（取代以往的内联 style 颜色）
   ============================================================ */
.stat-card {
    background: linear-gradient(135deg, var(--pink-bg) 0%, var(--pink-light) 100%);
    border: 1px solid var(--pink-primary);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--pink-dark);
    margin-bottom: 5px;
}

.stat-label {
    color: var(--pink-dark);
    font-size: 0.9rem;
    font-weight: 600;
}

.stat-card.stat-card--success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    border-color: #28a745;
}
.stat-card.stat-card--success .stat-value,
.stat-card.stat-card--success .stat-label {
    color: #155724;
}

.stat-card.stat-card--danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    border-color: #dc3545;
}
.stat-card.stat-card--danger .stat-value,
.stat-card.stat-card--danger .stat-label {
    color: #721c24;
}

.stat-card.stat-card--warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border-color: #ffc107;
}
.stat-card.stat-card--warning .stat-value,
.stat-card.stat-card--warning .stat-label {
    color: #856404;
}

/* ============================================================
   消息提示 & 徽章
   ============================================================ */
.alert { font-weight: 500; }
.alert-danger { color: #721c24; }
.alert-success { color: #155724; }
.alert-info { color: #0c5460; }
.alert-warning { color: #856404; }

.badge { font-weight: 600; }