/* Steam 入库系统 - 移动端适配 */
:root {
    --mobile-safe-bottom: env(safe-area-inset-bottom, 0px);
    --mobile-safe-top: env(safe-area-inset-top, 0px);
    --mobile-touch-min: 44px;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    padding-bottom: var(--mobile-safe-bottom);
}

/* ========== 通用 ========== */
@media (max-width: 768px) {
    .container {
        padding: 12px !important;
        max-width: 100% !important;
    }

    .header {
        padding: 20px 16px !important;
        border-radius: 10px !important;
        margin-bottom: 16px !important;
    }

    .header h1 {
        font-size: 20px !important;
    }

    .header .subtitle,
    .header p {
        font-size: 13px !important;
    }

    .card {
        padding: 16px !important;
        border-radius: 10px !important;
        margin-bottom: 14px !important;
    }

    .card h2 {
        font-size: 16px !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 10px !important;
    }

    .btn {
        min-height: var(--mobile-touch-min);
        padding: 10px 16px !important;
        font-size: 14px !important;
    }

    .btn:hover {
        transform: none !important;
    }

    .modal,
    .modal-content {
        width: calc(100% - 24px) !important;
        max-width: none !important;
        padding: 20px 16px !important;
        max-height: 85vh !important;
        border-radius: 12px !important;
    }

    .modal .buttons,
    .modal-actions {
        flex-direction: column !important;
    }

    .modal .buttons .btn,
    .modal-actions .btn {
        width: 100% !important;
    }

    .pagination {
        flex-wrap: wrap !important;
        gap: 6px !important;
    }

    .pagination button {
        min-width: 36px;
        min-height: 36px;
        padding: 6px 10px !important;
        font-size: 12px !important;
    }
}

/* ========== 登录页 ========== */
@media (max-width: 768px) {
    body.login-page {
        align-items: flex-start !important;
        padding: 16px !important;
        padding-top: calc(16px + var(--mobile-safe-top)) !important;
    }

    .login-container {
        padding: 28px 20px !important;
        margin-top: 8vh;
        border-radius: 14px !important;
    }

    .login-header h1 {
        font-size: 22px !important;
    }

    .form-group input {
        font-size: 16px !important;
        padding: 14px 16px !important;
    }

    .login-container .btn {
        padding: 16px !important;
        font-size: 16px !important;
    }
}

/* ========== 总览 index / 上传 upload 导航 ========== */
@media (max-width: 768px) {
    .nav {
        display: none !important;
    }

    .stats {
        grid-template-columns: 1fr 1fr !important;
        gap: 10px !important;
        margin-bottom: 16px !important;
    }

    .stat-card {
        padding: 14px 10px !important;
    }

    .stat-card .number {
        font-size: 28px !important;
    }

    .stat-card .label {
        font-size: 12px !important;
    }

    .search-box {
        flex-direction: column !important;
        gap: 8px !important;
        position: sticky;
        top: 0;
        z-index: 99;
        background: #f5f5f5;
        padding-bottom: 8px;
        margin-bottom: 12px !important;
    }

    .search-box input {
        font-size: 16px !important;
        width: 100% !important;
        padding: 14px 16px !important;
    }

    .search-box .btn {
        width: 100% !important;
    }

    .games-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }

    .game-card .actions {
        flex-wrap: wrap !important;
        gap: 8px !important;
        justify-content: flex-start !important;
    }

    .game-card .actions .btn {
        flex: 1 1 calc(50% - 4px);
        min-width: 0;
        text-align: center;
    }

    .pending-item {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
        padding: 12px 8px !important;
    }

    .card > div[style*="display: flex"] {
        flex-direction: column !important;
    }

    .card > div[style*="display: flex"] .btn {
        width: 100% !important;
    }
}

/* ========== 上传页 upload ========== */
@media (max-width: 768px) {
    .drop-zone {
        padding: 28px 16px !important;
    }

    .drop-zone .icon {
        font-size: 40px !important;
    }

    .upload-section {
        padding: 14px !important;
    }

    .file-item {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 6px !important;
    }

    .duplicate-item {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 4px !important;
    }

    div[style*="display: flex"][style*="gap: 10px"] {
        flex-direction: column !important;
    }

    div[style*="display: flex"][style*="gap: 10px"] .btn {
        width: 100% !important;
    }
}

/* ========== 后台 admin ========== */
.mobile-menu-btn {
    display: none;
}

.sidebar-overlay {
    display: none;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: var(--mobile-touch-min);
        height: var(--mobile-touch-min);
        border: 1px solid var(--border-color, #e0e0e0);
        border-radius: 10px;
        background: var(--bg-secondary, #fff);
        cursor: pointer;
        font-size: 20px;
        pointer-events: auto;
        flex-shrink: 0;
        box-shadow: var(--card-shadow, 0 2px 8px rgba(0,0,0,0.08));
    }

    .app-topbar {
        left: 0 !important;
        right: 0 !important;
        height: 56px !important;
        padding: 0 12px !important;
        justify-content: space-between !important;
        pointer-events: auto !important;
        background: var(--bg-primary, #f0f2f5);
        border-bottom: 1px solid var(--border-color, #e0e0e0);
        box-shadow: 0 1px 6px rgba(0,0,0,0.06);
    }

    .app-topbar-right {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .theme-toggle {
        padding: 8px 12px !important;
    }

    .theme-toggle .text {
        display: none;
    }

    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.45);
        z-index: 1190;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.25s, visibility 0.25s;
    }

    .sidebar-overlay.show {
        display: block;
        opacity: 1;
        visibility: visible;
    }

    .sidebar {
        width: min(280px, 85vw) !important;
        transform: translateX(-100%);
        transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1200 !important;
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0 !important;
        padding: 68px 12px calc(24px + var(--mobile-safe-bottom)) !important;
    }

    .page-header h2 {
        font-size: 18px !important;
    }

    .stats-row {
        flex-direction: column !important;
        gap: 10px !important;
    }

    .stat-card {
        padding: 16px !important;
        width: 100% !important;
    }

    .card-header {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 12px !important;
        padding: 14px 16px !important;
    }

    .actions-bar {
        flex-direction: column !important;
        align-items: stretch !important;
        width: 100% !important;
    }

    .actions-bar .btn,
    .actions-bar input[type="text"] {
        width: 100% !important;
        min-height: var(--mobile-touch-min);
    }

    .actions-bar input[type="text"] {
        font-size: 16px !important;
        padding: 12px 14px !important;
    }

    .card-body {
        padding: 12px !important;
    }

    #gamesContainer {
        margin: 0 -4px;
        border-radius: 8px;
        -webkit-overflow-scrolling: touch;
    }

    .data-table {
        font-size: 12px !important;
        min-width: 640px;
    }

    .data-table th,
    .data-table td {
        padding: 10px 6px !important;
    }

    .data-table .thumb {
        width: 72px !important;
        height: 32px !important;
    }

    .data-table .name,
    .data-table .name_cn {
        max-width: 100px !important;
    }

    .data-table .col-actions {
        min-width: 140px !important;
    }

    .data-table .table-actions {
        flex-wrap: wrap !important;
        gap: 4px !important;
    }

    .data-table .table-actions .btn-sm {
        padding: 6px 8px !important;
        font-size: 11px !important;
    }

    .upload-zone {
        padding: 24px 16px !important;
    }

    .zip-upload-zone {
        padding: 24px 16px !important;
    }

    .task-modal {
        width: calc(100% - 24px) !important;
        max-width: none !important;
        left: 50% !important;
        top: 50% !important;
        transform: translate(-50%, -50%) !important;
        max-height: 90vh !important;
    }

    .confirm-modal-box,
    .modal-box {
        width: calc(100% - 24px) !important;
        max-width: none !important;
    }

    #proxyNodesContainer {
        grid-template-columns: 1fr 1fr !important;
    }

    .page-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
    }

    .card-body > div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 480px) {
    .stats {
        grid-template-columns: 1fr !important;
    }

    .game-card .actions .btn {
        flex: 1 1 100%;
    }

    #proxyNodesContainer {
        grid-template-columns: 1fr !important;
    }
}

.mobile-bottom-nav {
    display: none;
}

@media (max-width: 768px) {
    .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 200;
        background: #fff;
        border-top: 1px solid #e0e0e0;
        padding-bottom: var(--mobile-safe-bottom);
        box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
    }

    .mobile-bottom-nav a {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 10px 8px;
        text-decoration: none;
        color: #666;
        font-size: 11px;
        gap: 4px;
        min-height: 56px;
    }

    .mobile-bottom-nav a .nav-icon {
        font-size: 20px;
        line-height: 1;
    }

    .mobile-bottom-nav a.active {
        color: #1b2838;
        font-weight: 600;
    }

    body.has-bottom-nav {
        padding-bottom: calc(64px + var(--mobile-safe-bottom)) !important;
    }

    body.has-bottom-nav .main-content {
        padding-bottom: calc(80px + var(--mobile-safe-bottom)) !important;
    }

    [data-theme="dark"] .mobile-bottom-nav {
        background: #16213e;
        border-top-color: #2a2a4a;
    }

    [data-theme="dark"] .mobile-bottom-nav a {
        color: #a0a0a0;
    }

    [data-theme="dark"] .mobile-bottom-nav a.active {
        color: #66c0f4;
    }
}

/* ========== 编辑游戏 / Lua 弹窗（总览 + 后台） ========== */
@media (max-width: 768px) {
    .edit-game-modal {
        min-width: unset !important;
        width: calc(100vw - 24px) !important;
        max-width: none !important;
        max-height: calc(100dvh - 24px - var(--mobile-safe-top) - var(--mobile-safe-bottom)) !important;
        padding: 18px 16px !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
    }

    #editModal.modal-overlay,
    #editModal.modal-overlay.active,
    #editModal.modal-overlay.show {
        align-items: flex-start !important;
        padding: 12px !important;
        padding-top: calc(12px + var(--mobile-safe-top)) !important;
        overflow-y: auto !important;
    }

    #editModal .modal-title,
    #editModal h3 {
        font-size: 16px !important;
        margin-bottom: 12px !important;
    }

    #editModal label {
        font-size: 13px !important;
    }

    #editModal input[type="text"],
    #editModal textarea,
    #editLuaContent,
    .lua-editor {
        width: 100% !important;
        font-size: 16px !important;
        padding: 12px !important;
        box-sizing: border-box !important;
    }

    #editLuaContent,
    .lua-editor {
        min-height: 140px !important;
        max-height: 38vh !important;
        resize: vertical !important;
        line-height: 1.45 !important;
    }

    #editLuaHint {
        font-size: 12px !important;
        line-height: 1.4 !important;
    }

    #editModal .modal-buttons,
    #editModal .buttons {
        flex-direction: column-reverse !important;
        gap: 10px !important;
        margin-top: 16px !important;
    }

    #editModal .modal-buttons .btn,
    #editModal .buttons .btn {
        width: 100% !important;
        min-height: var(--mobile-touch-min) !important;
        margin: 0 !important;
    }

    #editModal .toggle-group {
        flex-wrap: wrap !important;
        gap: 10px !important;
    }
}