/* assets/css/style.css - 全局样式 + 蓝色主色调 + 暗色玻璃修复 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { min-height: 100vh; font-family: 'Segoe UI', system-ui, sans-serif; position: relative; overflow-x: hidden; }

.bg-image {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('/bj.png') center center / cover no-repeat;
    z-index: -2;
}
.bg-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    transition: background-color 0.4s ease;
}
.bg-overlay.dark { background-color: rgba(0,0,0,0.65); }
.bg-overlay.light { background-color: rgba(255,255,255,0.70); }
.bg-overlay.system { background-color: rgba(0,0,0,0.65); }
@media (prefers-color-scheme: light) { .bg-overlay.system { background-color: rgba(255,255,255,0.70); } }

.main-content {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    width: 100%;
}
.main-content .container,
.main-content .row {
    width: 100%;
}
.main-content .row {
    justify-content: center;
}
.main-content .col-lg-6,
.main-content .col-md-8 {
    flex: 0 0 auto;
    width: 100%;
    max-width: 600px;
}
@media (min-width: 768px) {
    .main-content .col-md-8 {
        max-width: 66.666%;
    }
}
@media (min-width: 992px) {
    .main-content .col-lg-6 {
        max-width: 50%;
    }
}

/* ===== 玻璃卡片 ===== */
.glass-card {
    background: rgba(255,255,255,0.85) !important;
    backdrop-filter: blur(24px) saturate(1.2);
    border: 1px solid rgba(255,255,255,0.30);
    border-radius: 20px !important;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    color: #1a1a2e !important;
    width: 100%;
}
.glass-card .card-body {
    color: #1a1a2e !important;
    padding: 2rem !important;
}
.glass-card .card-body * {
    color: #1a1a2e !important;
}
.glass-card .form-control,
.glass-card .form-select {
    background: rgba(255,255,255,0.90);
    border: 1px solid rgba(0,0,0,0.15);
    color: #1a1a2e !important;
    border-radius: 12px;
    padding: 0.7rem 1rem;
}
.glass-card .form-control:focus,
.glass-card .form-select:focus {
    background: #ffffff;
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13,110,253,0.25);
    color: #1a1a2e !important;
}
.glass-card .form-control::placeholder {
    color: #6c757d !important;
}
/* 蓝色主色调按钮 */
.glass-card .btn-primary {
    background: #0d6efd;
    border: 1px solid #0d6efd;
    border-radius: 12px;
    padding: 0.7rem 1.5rem;
    font-weight: 600;
    color: #ffffff !important;
    transition: all 0.3s;
}
.glass-card .btn-primary:hover {
    background: #0b5ed7;
    border-color: #0a58ca;
    transform: translateY(-1px);
}
.glass-card a:not(.btn) {
    color: #0d6efd !important;
    transition: color 0.2s;
}
.glass-card a:not(.btn):hover {
    color: #0a58ca !important;
    text-decoration: underline;
}
.glass-card .text-muted {
    color: #6c757d !important;
}
.glass-card .bg-light {
    background: rgba(255,255,255,0.70) !important;
    color: #1a1a2e !important;
}
.glass-card .bg-light p,
.glass-card .bg-light strong {
    color: #1a1a2e !important;
}
.glass-card .bg-primary.bg-opacity-10 {
    background: rgba(13,110,253,0.15) !important;
    color: #1a1a2e !important;
}
.glass-card .bg-primary.bg-opacity-10 p,
.glass-card .bg-primary.bg-opacity-10 strong {
    color: #1a1a2e !important;
}
.glass-card .bg-info.bg-opacity-10 {
    background: rgba(23,162,184,0.15) !important;
    color: #1a1a2e !important;
}
.glass-card .bg-info.bg-opacity-10 p,
.glass-card .bg-info.bg-opacity-10 strong {
    color: #1a1a2e !important;
}
.glass-card .text-primary {
    color: #0d6efd !important;
}
.glass-card .text-info {
    color: #17a2b8 !important;
}
.glass-card .text-light {
    color: #1a1a2e !important;
}
.glass-card .border-primary {
    border-color: #0d6efd !important;
}
.glass-card .border-info {
    border-color: #17a2b8 !important;
}
.glass-card .list-group-item {
    background: rgba(255,255,255,0.05) !important;
    border: 1px solid rgba(0,0,0,0.08) !important;
    color: #1a1a2e !important;
}
.glass-card .list-group-item:hover {
    background: rgba(0,0,0,0.05) !important;
}
.glass-card .badge.bg-light {
    background: #f8f9fa !important;
    color: #212529 !important;
}
.glass-card .badge.bg-warning {
    color: #212529 !important;
}
.glass-card .badge.bg-info {
    color: #212529 !important;
}
.glass-card .badge.bg-success {
    color: #fff !important;
}
.glass-card .badge.bg-secondary {
    color: #fff !important;
}

/* ===== 暗色模式下玻璃卡片背景变暗，文字变白 ===== */
.bg-overlay.dark ~ .main-content .glass-card,
.bg-overlay.dark ~ .main-content .glass-card .card-body,
.bg-overlay.dark ~ .main-content .glass-card .card-body * {
    background: rgba(0,0,0,0.70) !important;  /* 关键：背景变为深色半透明 */
    color: #f0f4ff !important;
}
.bg-overlay.dark ~ .main-content .glass-card .card-body .text-muted {
    color: rgba(255,255,255,0.6) !important;
}
.bg-overlay.dark ~ .main-content .glass-card .form-control,
.bg-overlay.dark ~ .main-content .glass-card .form-select {
    background: rgba(255,255,255,0.15);
    color: #f0f4ff !important;
    border-color: rgba(255,255,255,0.2);
}
.bg-overlay.dark ~ .main-content .glass-card .form-control::placeholder {
    color: rgba(255,255,255,0.5) !important;
}
.bg-overlay.dark ~ .main-content .glass-card .bg-light,
.bg-overlay.dark ~ .main-content .glass-card .bg-light p,
.bg-overlay.dark ~ .main-content .glass-card .bg-light strong {
    background: rgba(255,255,255,0.15) !important;
    color: #f0f4ff !important;
}
.bg-overlay.dark ~ .main-content .glass-card .bg-primary.bg-opacity-10,
.bg-overlay.dark ~ .main-content .glass-card .bg-primary.bg-opacity-10 p,
.bg-overlay.dark ~ .main-content .glass-card .bg-primary.bg-opacity-10 strong {
    background: rgba(13,110,253,0.25) !important;
    color: #f0f4ff !important;
}
.bg-overlay.dark ~ .main-content .glass-card .bg-info.bg-opacity-10,
.bg-overlay.dark ~ .main-content .glass-card .bg-info.bg-opacity-10 p,
.bg-overlay.dark ~ .main-content .glass-card .bg-info.bg-opacity-10 strong {
    background: rgba(23,162,184,0.25) !important;
    color: #f0f4ff !important;
}
.bg-overlay.dark ~ .main-content .glass-card .list-group-item {
    background: rgba(255,255,255,0.05) !important;
    color: #f0f4ff !important;
}
.bg-overlay.dark ~ .main-content .glass-card .list-group-item:hover {
    background: rgba(255,255,255,0.1) !important;
}
/* 暗色模式下的链接颜色保持蓝色调 */
.bg-overlay.dark ~ .main-content .glass-card a:not(.btn) {
    color: #6ea8fe !important;
}
.bg-overlay.dark ~ .main-content .glass-card a:not(.btn):hover {
    color: #9ec5fe !important;
}

/* 跟随系统时，根据系统偏好自动切换 */
@media (prefers-color-scheme: dark) {
    .bg-overlay.system ~ .main-content .glass-card,
    .bg-overlay.system ~ .main-content .glass-card .card-body,
    .bg-overlay.system ~ .main-content .glass-card .card-body * {
        background: rgba(0,0,0,0.70) !important;
        color: #f0f4ff !important;
    }
    .bg-overlay.system ~ .main-content .glass-card .card-body .text-muted {
        color: rgba(255,255,255,0.6) !important;
    }
    .bg-overlay.system ~ .main-content .glass-card .form-control,
    .bg-overlay.system ~ .main-content .glass-card .form-select {
        background: rgba(255,255,255,0.15);
        color: #f0f4ff !important;
        border-color: rgba(255,255,255,0.2);
    }
    .bg-overlay.system ~ .main-content .glass-card .form-control::placeholder {
        color: rgba(255,255,255,0.5) !important;
    }
    .bg-overlay.system ~ .main-content .glass-card .bg-light,
    .bg-overlay.system ~ .main-content .glass-card .bg-light p,
    .bg-overlay.system ~ .main-content .glass-card .bg-light strong {
        background: rgba(255,255,255,0.15) !important;
        color: #f0f4ff !important;
    }
    .bg-overlay.system ~ .main-content .glass-card .bg-primary.bg-opacity-10,
    .bg-overlay.system ~ .main-content .glass-card .bg-primary.bg-opacity-10 p,
    .bg-overlay.system ~ .main-content .glass-card .bg-primary.bg-opacity-10 strong {
        background: rgba(13,110,253,0.25) !important;
        color: #f0f4ff !important;
    }
    .bg-overlay.system ~ .main-content .glass-card .bg-info.bg-opacity-10,
    .bg-overlay.system ~ .main-content .glass-card .bg-info.bg-opacity-10 p,
    .bg-overlay.system ~ .main-content .glass-card .bg-info.bg-opacity-10 strong {
        background: rgba(23,162,184,0.25) !important;
        color: #f0f4ff !important;
    }
    .bg-overlay.system ~ .main-content .glass-card .list-group-item {
        background: rgba(255,255,255,0.05) !important;
        color: #f0f4ff !important;
    }
    .bg-overlay.system ~ .main-content .glass-card .list-group-item:hover {
        background: rgba(255,255,255,0.1) !important;
    }
    .bg-overlay.system ~ .main-content .glass-card a:not(.btn) {
        color: #6ea8fe !important;
    }
    .bg-overlay.system ~ .main-content .glass-card a:not(.btn):hover {
        color: #9ec5fe !important;
    }
}

/* ===== 灵动岛 - 顶部居中，胶囊按钮 ===== */
.island-menu {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.island-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 0 20px;
    height: 44px;
    background: rgba(255,255,255,0.18);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 9999px;
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 4px 24px rgba(0,0,0,0.20);
    transition: all 0.3s;
    white-space: nowrap;
}
.island-toggle:hover {
    background: rgba(255,255,255,0.30);
    transform: scale(1.03);
}
.island-toggle img {
    height: 24px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}
.island-toggle span {
    margin-left: 4px;
}
.island-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(20,20,30,0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 18px;
    padding: 0.4rem 0.2rem;
    width: auto;
    min-width: 120px;
    display: none;
    flex-direction: column;
    box-shadow: 0 8px 40px rgba(0,0,0,0.40);
    white-space: nowrap;
}
.island-dropdown.show {
    display: flex;
    animation: islandDrop 0.25s ease;
}
@keyframes islandDrop {
    from { opacity: 0; transform: translateX(-50%) translateY(-8px) scale(0.96); }
    to { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}
.island-item {
    background: transparent;
    border: none;
    color: rgba(255,255,255,0.85);
    padding: 0.4rem 0.8rem;
    border-radius: 12px;
    text-align: left;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.15s;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}
.island-item:hover,
.island-item.active {
    background: rgba(255,255,255,0.12);
    color: #fff;
}
.island-divider {
    height: 1px;
    background: rgba(255,255,255,0.10);
    margin: 0.2rem 0.4rem;
}

/* 亮色模式适配（灵动岛） */
.bg-overlay.light ~ .island-menu .island-toggle,
.bg-overlay.system.light ~ .island-menu .island-toggle {
    background: rgba(255,255,255,0.50);
    color: #1a1a2e;
    border-color: rgba(0,0,0,0.10);
}
.bg-overlay.light ~ .island-menu .island-toggle img {
    filter: none;
}
.bg-overlay.light ~ .island-menu .island-dropdown,
.bg-overlay.system.light ~ .island-menu .island-dropdown {
    background: rgba(240,240,250,0.92);
    border-color: rgba(0,0,0,0.08);
}
.bg-overlay.light ~ .island-menu .island-item,
.bg-overlay.system.light ~ .island-menu .island-item {
    color: #1a1a2e;
}
.bg-overlay.light ~ .island-menu .island-item:hover,
.bg-overlay.system.light ~ .island-menu .island-item:hover {
    background: rgba(0,0,0,0.06);
    color: #000;
}

/* ===== 管理后台亮色模式 ===== */
.bg-overlay.light ~ .main-content .stat-card,
.bg-overlay.system.light ~ .main-content .stat-card {
    background: rgba(255,255,255,0.30) !important;
    color: #1a1a2e !important;
    border-color: rgba(0,0,0,0.10) !important;
}
.bg-overlay.light ~ .main-content .stat-card .stat-number,
.bg-overlay.system.light ~ .main-content .stat-card .stat-number {
    color: #1a1a2e !important;
}
.bg-overlay.light ~ .main-content .stat-card .stat-label,
.bg-overlay.system.light ~ .main-content .stat-card .stat-label {
    color: #1a1a2e !important;
}
.bg-overlay.light ~ .main-content .table-container,
.bg-overlay.system.light ~ .main-content .table-container {
    background: rgba(255,255,255,0.20) !important;
    color: #1a1a2e !important;
}
.bg-overlay.light ~ .main-content .table-container table,
.bg-overlay.system.light ~ .main-content .table-container table {
    color: #1a1a2e !important;
}
.bg-overlay.light ~ .main-content .table-container table thead th,
.bg-overlay.system.light ~ .main-content .table-container table thead th {
    border-bottom-color: rgba(0,0,0,0.15) !important;
    color: #1a1a2e !important;
}
.bg-overlay.light ~ .main-content .table-container table td,
.bg-overlay.system.light ~ .main-content .table-container table td {
    border-bottom-color: rgba(0,0,0,0.06) !important;
    color: #1a1a2e !important;
}
.bg-overlay.light ~ .main-content .table-container .text-light,
.bg-overlay.system.light ~ .main-content .table-container .text-light {
    color: #1a1a2e !important;
}
.bg-overlay.light ~ .main-content .table-container .badge.bg-light,
.bg-overlay.system.light ~ .main-content .table-container .badge.bg-light {
    background: #f8f9fa !important;
    color: #212529 !important;
}
.bg-overlay.light ~ .main-content .table-container .btn-outline-light,
.bg-overlay.system.light ~ .main-content .table-container .btn-outline-light {
    border-color: rgba(0,0,0,0.2) !important;
    color: #1a1a2e !important;
}
.bg-overlay.light ~ .main-content .table-container .btn-outline-light:hover,
.bg-overlay.system.light ~ .main-content .table-container .btn-outline-light:hover {
    background: rgba(0,0,0,0.05) !important;
}
.bg-overlay.light ~ .main-content .admin-sidebar .nav-link,
.bg-overlay.system.light ~ .main-content .admin-sidebar .nav-link {
    color: #1a1a2e !important;
}
.bg-overlay.light ~ .main-content .admin-sidebar .nav-link:hover,
.bg-overlay.system.light ~ .main-content .admin-sidebar .nav-link:hover {
    background: rgba(0,0,0,0.05) !important;
}
.bg-overlay.light ~ .main-content .admin-sidebar .nav-link.active,
.bg-overlay.system.light ~ .main-content .admin-sidebar .nav-link.active {
    background: rgba(0,0,0,0.08) !important;
}

/* ===== 公告模态框 ===== */
.modal-content.glass-card {
    background: rgba(0,0,0,0.85) !important;
    backdrop-filter: blur(30px);
    border: 1px solid rgba(255,255,255,0.15);
    color: #f0f4ff;
}
.modal-content.glass-card .modal-title,
.modal-content.glass-card .modal-body {
    color: #f0f4ff;
}
.bg-overlay.light ~ .modal-content.glass-card,
.bg-overlay.light ~ .modal .modal-content.glass-card {
    background: rgba(255,255,255,0.92) !important;
    border-color: rgba(0,0,0,0.1);
    color: #1a1a2e !important;
}
.bg-overlay.light ~ .modal-content.glass-card .modal-title,
.bg-overlay.light ~ .modal-content.glass-card .modal-body,
.bg-overlay.light ~ .modal .modal-content.glass-card .modal-title,
.bg-overlay.light ~ .modal .modal-content.glass-card .modal-body {
    color: #1a1a2e !important;
}
.bg-overlay.light ~ .modal-content.glass-card .btn-close,
.bg-overlay.light ~ .modal .modal-content.glass-card .btn-close {
    filter: invert(1);
}
@media (prefers-color-scheme: light) {
    .bg-overlay.system ~ .modal-content.glass-card,
    .bg-overlay.system ~ .modal .modal-content.glass-card {
        background: rgba(255,255,255,0.92) !important;
        border-color: rgba(0,0,0,0.1);
        color: #1a1a2e !important;
    }
    .bg-overlay.system ~ .modal-content.glass-card .modal-title,
    .bg-overlay.system ~ .modal-content.glass-card .modal-body,
    .bg-overlay.system ~ .modal .modal-content.glass-card .modal-title,
    .bg-overlay.system ~ .modal .modal-content.glass-card .modal-body {
        color: #1a1a2e !important;
    }
    .bg-overlay.system ~ .modal-content.glass-card .btn-close,
    .bg-overlay.system ~ .modal .modal-content.glass-card .btn-close {
        filter: invert(1);
    }
}

/* ===== 自定义下拉菜单 ===== */
select.form-select,
select.form-control {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='white' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 12px 8px;
    padding-right: 2.5rem;
    cursor: pointer;
    transition: all 0.2s;
}
.bg-overlay.light ~ .main-content select.form-select,
.bg-overlay.system.light ~ .main-content select.form-select,
.bg-overlay.light ~ .main-content select.form-control,
.bg-overlay.system.light ~ .main-content select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%231a1a2e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
}
select.form-select option,
select.form-control option {
    background: rgba(30,30,40,0.95);
    color: #f0f4ff;
    padding: 8px 12px;
}
.bg-overlay.light ~ .main-content select.form-select option,
.bg-overlay.system.light ~ .main-content select.form-select option {
    background: rgba(255,255,255,0.95);
    color: #1a1a2e;
}
select.form-select:hover,
select.form-control:hover {
    border-color: rgba(255,255,255,0.4);
}
select.form-select:focus,
select.form-control:focus {
    outline: none;
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13,110,253,0.25);
}

/* ===== 响应式 ===== */
@media (max-width: 576px) {
    .island-menu {
        top: 12px;
    }
    .island-toggle {
        padding: 0 14px;
        height: 38px;
        font-size: 0.9rem;
    }
    .island-toggle img {
        height: 20px;
    }
    .island-dropdown {
        min-width: 100px;
    }
    .island-item {
        font-size: 0.8rem;
        padding: 0.3rem 0.6rem;
    }
    .glass-card .card-body {
        padding: 1.5rem !important;
    }
}