/* ============================================
   FTIP 响应式设计
   CHN-SD Ocean Plus FTIP Responsive Stylesheet
   ============================================ */

/* ========== 大屏桌面 (≥1440px) ========== */
@media (min-width: 1440px) {
    .sidebar {
        width: 240px;
    }
    .main {
        margin-left: 240px;
    }
}

/* ========== 标准桌面 (1024px - 1439px) ========== */
@media (max-width: 1439px) and (min-width: 1024px) {
    .sidebar {
        width: 220px;
    }
    .main {
        margin-left: 220px;
    }
}

/* ========== 平板横屏 (768px - 1023px) ========== */
@media (max-width: 1023px) and (min-width: 768px) {
    .sidebar {
        width: 200px;
    }
    .main {
        margin-left: 200px;
        padding: 0;
    }
    .header h1 {
        font-size: 16px;
    }
    .header h1 .en {
        font-size: 12px;
    }
}

/* ========== 平板竖屏 + 手机横屏 (< 768px) ========== */
@media (max-width: 767px) {
    .sidebar {
        width: 0;
        transform: translateX(-100%);
        transition: transform 0.3s ease, width 0.3s ease;
    }
    .sidebar.mobile-open {
        width: 260px;
        transform: translateX(0);
    }
    .main {
        margin-left: 0;
        padding: 12px;
    }
    .header {
        padding: 0 12px;
        height: 56px;
    }
    .header h1 {
        font-size: 14px;
    }
    .header h1 .en {
        font-size: 11px;
        display: none;
    }
    .header-logo {
        height: 32px;
    }
    .stats-grid,
    .stats-grid-4 {
        flex-wrap: wrap !important;
    }
    .stats-grid-4 .stat-card {
        min-width: calc(50% - 6px) !important;
        flex: 1 1 calc(50% - 6px) !important;
    }
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: rgba(255,255,255,0.1);
        border-radius: 8px;
        cursor: pointer;
        color: white;
        font-size: 20px;
    }
}

/* ========== 手机竖屏 (< 480px) ========== */
@media (max-width: 479px) {
    .header {
        padding: 0 8px;
        height: 52px;
    }
    .header h1 {
        font-size: 13px;
    }
    .header-logo {
        height: 28px;
    }
    .main {
        padding: 0;
    }
    .stats-grid-4 .stat-card {
        min-width: 100% !important;
        flex: 1 1 100% !important;
    }
    .ftip-page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 12px;
    }
    .ftip-page-header .actions {
        margin-left: 0;
        width: 100%;
    }
    .card {
        padding: 12px;
    }
}

/* ========== 打印样式 ========== */
@media print {
    .sidebar,
    .header,
    .mobile-menu-toggle {
        display: none !important;
    }
    .main {
        margin-left: 0 !important;
        margin-top: 0 !important;
        padding: 20px;
    }
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}