/* style.css - 悦翔电竞全局样式 (ES5兼容, 仅Flex+盒模型, 无Grid) */

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

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
    background: #0a0a0f;
    color: #e2e8f0;
    min-height: 100vh;
    line-height: 1.6;
}

a {
    color: #a855f7;
    text-decoration: none;
}

a:hover {
    text-shadow: 0 0 8px #a855f7;
}

/* ==================== Navigation Bar ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: #0f0f1a;
    border-bottom: 2px solid #a855f7;
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
}

.nav-logo {
    font-size: 20px;
    font-weight: bold;
    color: #a855f7;
    text-shadow: 0 0 10px rgba(168, 85, 247, 0.6);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    color: #e2e8f0;
    font-size: 15px;
    padding: 6px 12px;
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s;
}

.nav-links a:hover {
    border-bottom-color: #a855f7;
}

.nav-links a.nav-login {
    color: #a855f7;
    border: 1px solid #a855f7;
    border-radius: 3px;
}

.nav-menu-btn {
    font-size: 22px;
    color: #a855f7;
    cursor: pointer;
    padding: 4px 12px;
    background: transparent;
    border: 1px solid #a855f7;
    border-radius: 3px;
}

/* Dropdown menu */
.nav-dropdown {
    display: none;
    position: fixed;
    top: 56px;
    right: 0;
    width: 260px;
    background: #0f0f1a;
    border: 1px solid #a855f7;
    border-top: none;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.3);
    z-index: 999;
    padding: 0;
}

.nav-dropdown.show {
    display: block;
}

.nav-dropdown-section {
    padding: 12px 16px;
    border-bottom: 1px solid #1e1e2e;
}

.nav-dropdown-section:last-child {
    border-bottom: none;
}

.nav-dropdown-user {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-dropdown-user .username {
    color: #a855f7;
    font-weight: bold;
}

.nav-dropdown a {
    display: block;
    padding: 8px 16px;
    color: #e2e8f0;
    font-size: 14px;
}

.nav-dropdown a:hover {
    background: #1a1a2e;
    color: #a855f7;
}

.nav-dropdown-divider {
    border-top: 1px solid #2a2a3e;
    margin: 4px 0;
}

.nav-admin-link {
    color: #f59e0b !important;
    font-weight: bold;
}

/* ==================== Main Content ==================== */
.main-content {
    margin-top: 56px;
    min-height: calc(100vh - 56px);
    padding: 20px;
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-block;
    padding: 10px 28px;
    border: none;
    cursor: pointer;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.2s;
}

.btn-primary {
    background: #a855f7;
    color: #fff;
    border: 1px solid #a855f7;
}

.btn-primary:hover {
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.5);
}

.btn-secondary {
    background: transparent;
    color: #a855f7;
    border: 1px solid #a855f7;
}

.btn-secondary:hover {
    background: #1a1a2e;
}

.btn-danger {
    background: #ef4444;
    color: #fff;
    border: 1px solid #ef4444;
}

.btn-success {
    background: #22c55e;
    color: #fff;
    border: 1px solid #22c55e;
}

.btn-large {
    padding: 16px 48px;
    font-size: 20px;
}

.btn-small {
    padding: 6px 16px;
    font-size: 13px;
}

/* ==================== Forms ==================== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: #94a3b8;
    font-size: 14px;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    background: #1a1a2e;
    border: 1px solid #2a2a3e;
    color: #e2e8f0;
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}

.form-input:focus {
    border-color: #a855f7;
}

.form-input::placeholder {
    color: #475569;
}

select.form-input {
    cursor: pointer;
}

textarea.form-input {
    resize: vertical;
    min-height: 80px;
}

.form-card {
    max-width: 400px;
    margin: 40px auto;
    background: #0f0f1a;
    border: 1px solid #2a2a3e;
    padding: 32px;
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.1);
}

.form-title {
    text-align: center;
    font-size: 22px;
    color: #a855f7;
    margin-bottom: 24px;
    text-shadow: 0 0 10px rgba(168, 85, 247, 0.4);
}

.form-hint {
    text-align: center;
    margin-top: 16px;
    font-size: 13px;
    color: #64748b;
}

.form-hint a {
    cursor: pointer;
}

/* ==================== Captcha ==================== */
.captcha-box {
    background: #1a1a2e;
    border: 1px solid #2a2a3e;
    padding: 16px;
    margin-bottom: 16px;
    min-height: 80px;
}

.captcha-question {
    color: #e2e8f0;
    font-size: 16px;
    margin-bottom: 12px;
}

.captcha-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.captcha-item {
    width: 70px;
    height: 70px;
    background: #0f0f1a;
    border: 2px solid #2a2a3e;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    color: #e2e8f0;
    text-align: center;
    user-select: none;
}

.captcha-item.selected {
    border-color: #a855f7;
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.4);
}

.captcha-code {
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 6px;
    color: #a855f7;
    text-shadow: 0 0 8px rgba(168, 85, 247, 0.5);
    text-align: center;
    padding: 12px;
    transform: skew(-8deg);
    font-style: italic;
    user-select: none;
}

.captcha-slider-wrap {
    position: relative;
    width: 100%;
    height: 40px;
    background: #0f0f1a;
    border: 1px solid #2a2a3e;
    overflow: hidden;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    touch-action: none;
}

.captcha-slider-gap {
    position: absolute;
    top: 0;
    height: 100%;
    width: 40px;
    margin-left: -20px;
    background: rgba(239, 68, 68, 0.15);
    border-left: 2px dashed rgba(239, 68, 68, 0.7);
    border-right: 2px dashed rgba(239, 68, 68, 0.7);
    box-sizing: border-box;
    pointer-events: none;
    z-index: 1;
}

.captcha-slider-track {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: rgba(168, 85, 247, 0.2);
}

.captcha-slider-btn {
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    background: #a855f7;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
}

.captcha-slider-hint {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #475569;
    font-size: 13px;
}

.captcha-choices {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.captcha-choice-btn {
    padding: 8px 16px;
    background: #0f0f1a;
    border: 1px solid #2a2a3e;
    color: #e2e8f0;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
}

.captcha-choice-btn:active {
    background: #a855f7;
    color: #fff;
}

.captcha-refresh {
    font-size: 12px;
    color: #64748b;
    cursor: pointer;
    margin-top: 8px;
    text-decoration: underline;
}

/* ==================== Products ==================== */
/* ==================== Products Page ==================== */
.products-header {
    text-align: center;
    margin-bottom: 24px;
}

.products-brand {
    font-size: 28px;
    font-weight: bold;
    color: #a855f7;
    text-shadow: 0 0 12px rgba(168, 85, 247, 0.4);
    letter-spacing: 4px;
}

.products-subtitle {
    font-size: 16px;
    color: #64748b;
    margin-top: 4px;
}

.product-grid {
    display: flex;
    display: -webkit-flex;
    flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
    gap: 16px;
    padding: 20px 0;
    justify-content: center;
    -webkit-justify-content: center;
}

.product-card {
    width: 280px;
    background: #0f0f1a;
    border: 1px solid #2a2a3e;
    padding: 20px;
    transition: border-color 0.2s, box-shadow 0.2s;
    display: flex;
    display: -webkit-flex;
    flex-direction: column;
    -webkit-flex-direction: column;
}

.product-card:hover {
    border-color: #a855f7;
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.15);
}

.product-title {
    font-size: 18px;
    font-weight: bold;
    color: #e2e8f0;
    margin-bottom: 8px;
}

.product-price {
    font-size: 24px;
    color: #a855f7;
    font-weight: bold;
    text-shadow: 0 0 8px rgba(168, 85, 247, 0.3);
    margin-bottom: 8px;
}

.product-price-unit {
    font-size: 14px;
    color: #64748b;
}

.product-desc {
    color: #94a3b8;
    font-size: 14px;
    margin-bottom: 16px;
    min-height: 40px;
    flex: 1;
    -webkit-flex: 1;
}

.product-buy-btn {
    align-self: flex-start;
    -webkit-align-self: flex-start;
}

.report-bar {
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    -webkit-justify-content: center;
    gap: 30px;
    padding: 16px 0;
    margin-top: 20px;
    border-top: 1px solid #1e1e2e;
    color: #475569;
    font-size: 13px;
}

/* ==================== Payment Page ==================== */
.pay-qr-container {
    max-width: 400px;
    margin: 40px auto;
    text-align: center;
    background: #0f0f1a;
    border: 1px solid #2a2a3e;
    padding: 32px;
}

.pay-qr-img {
    width: 240px;
    height: 240px;
    background: #1a1a2e;
    border: 2px solid #a855f7;
    margin: 20px auto;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    color: #64748b;
    font-size: 14px;
    overflow: hidden;
}

.pay-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
}

/* ==================== Profile ==================== */
.profile-container {
    max-width: 500px;
    margin: 40px auto;
    background: #0f0f1a;
    border: 1px solid #2a2a3e;
    padding: 32px;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #1a1a2e;
    border: 2px solid #a855f7;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.profile-info-row {
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    -webkit-justify-content: space-between;
    align-items: center;
    -webkit-align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #1e1e2e;
    min-height: 20px;
    overflow: hidden;
}

.profile-info-label {
    color: #64748b;
    flex-shrink: 0;
    -webkit-flex-shrink: 0;
    white-space: nowrap;
}

.profile-info-value {
    color: #e2e8f0;
    text-align: right;
    word-break: break-all;
}

/* Order list in profile */
.order-list {
    margin-top: 20px;
}

.order-item {
    background: #1a1a2e;
    border-left: 3px solid #a855f7;
    padding: 12px 16px;
    margin-bottom: 8px;
}

.order-status-pending {
    color: #f59e0b;
}

.order-status-verified {
    color: #22c55e;
}

.order-status-rejected {
    color: #ef4444;
}

/* ==================== Modal ==================== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.show {
    display: flex;
}

.modal-box {
    background: #0f0f1a;
    border: 1px solid #a855f7;
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.3);
    padding: 32px;
    max-width: 400px;
    width: 90%;
}

.modal-title {
    font-size: 18px;
    color: #a855f7;
    margin-bottom: 20px;
}

.modal-close {
    float: right;
    color: #64748b;
    cursor: pointer;
    font-size: 20px;
}

/* ==================== Admin ==================== */
.admin-section {
    margin-bottom: 32px;
}

.admin-section-title {
    font-size: 18px;
    color: #a855f7;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid #2a2a3e;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
}

.admin-table th {
    background: #1a1a2e;
    color: #a855f7;
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #2a2a3e;
    font-size: 14px;
}

.admin-table td {
    padding: 10px;
    border-bottom: 1px solid #1a1a2e;
    color: #e2e8f0;
    font-size: 14px;
}

.admin-table tr:hover td {
    background: #1a1a2e;
}

.admin-action-btn {
    padding: 4px 10px;
    font-size: 12px;
    margin: 2px;
}

.admin-inline-form {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.admin-inline-form .form-group {
    margin-bottom: 0;
}

/* ==================== Toast ==================== */
.toast {
    position: fixed;
    top: 70px;
    left: 50%;
    transform: translateX(-50%);
    background: #0f0f1a;
    border: 1px solid #a855f7;
    color: #e2e8f0;
    padding: 12px 24px;
    z-index: 3000;
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
    font-size: 14px;
    display: none;
}

.toast.show {
    display: block;
}

.toast-success {
    border-color: #22c55e;
}

.toast-error {
    border-color: #ef4444;
}

/* ==================== Static Pages ==================== */
.static-page {
    max-width: 600px;
    margin: 40px auto;
    background: #0f0f1a;
    border: 1px solid #2a2a3e;
    padding: 32px;
}

.static-page h2 {
    color: #a855f7;
    margin-bottom: 16px;
    text-shadow: 0 0 8px rgba(168, 85, 247, 0.3);
}

.static-page p {
    color: #94a3b8;
    margin-bottom: 12px;
    line-height: 1.8;
}

/* ==================== Footer ==================== */
.footer {
    text-align: center;
    padding: 20px;
    color: #475569;
    font-size: 12px;
    border-top: 1px solid #1a1a2e;
    margin-top: 40px;
}

/* ==================== Utility ==================== */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.hidden {
    display: none !important;
}

/* File upload */
.file-upload-area {
    border: 2px dashed #2a2a3e;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    color: #64748b;
    margin-bottom: 16px;
}

.file-upload-area:hover {
    border-color: #a855f7;
    color: #a855f7;
}

.file-preview {
    max-width: 200px;
    max-height: 200px;
    margin: 10px auto;
    border: 1px solid #2a2a3e;
}

/* ==================== Mobile Responsive (max-width: 768px) ==================== */
@media screen and (max-width: 768px) {
    /* Narrow padding, fit small screen */
    .main-content {
        padding: 12px;
        margin-top: 48px;
    }

    /* Shrink navbar height on mobile */
    .navbar {
        height: 48px;
        padding: 0 12px;
    }
    .nav-logo {
        font-size: 16px;
        letter-spacing: 1px;
    }

    /* Hide desktop nav links, rely on hamburger dropdown */
    .nav-links {
        display: none;
    }
    .nav-menu-btn {
        display: block;
    }

    /* Full-width dropdown with scroll for small screens */
    .nav-dropdown {
        top: 48px;
        width: 100%;
        left: 0;
        right: 0;
        max-height: calc(100vh - 48px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    .nav-dropdown-section {
        padding: 8px 12px;
    }
    .nav-dropdown a {
        padding: 6px 12px;
        font-size: 13px;
    }

    /* Product cards full-width on mobile */
    .product-grid {
        gap: 10px;
        padding: 10px 0;
        justify-content: stretch;
        -webkit-justify-content: stretch;
    }
    .product-card {
        width: 100%;
        padding: 14px;
    }
    .product-title {
        font-size: 16px;
    }
    .product-price {
        font-size: 20px;
    }
    .product-desc {
        min-height: 30px;
        font-size: 13px;
    }

    /* Form cards fit screen */
    .form-card {
        max-width: 100%;
        margin: 10px 0;
        padding: 16px;
    }
    .form-title {
        font-size: 18px;
        margin-bottom: 16px;
    }

    /* Payment page */
    .pay-qr-container {
        max-width: 100%;
        margin: 10px 0;
        padding: 16px;
    }
    .pay-qr-img {
        width: 200px;
        height: 200px;
    }
    .pay-qr-img img {
        width: 180px !important;
        height: 180px !important;
    }
    .pay-actions {
        flex-direction: column;
        gap: 8px;
    }
    .pay-actions .btn {
        width: 100%;
    }

    /* Profile page */
    .profile-container {
        max-width: 100%;
        margin: 10px 0;
        padding: 16px;
    }
    .profile-info-row {
        padding: 8px 0;
        font-size: 14px;
    }

    /* Buttons bigger tap area for mobile */
    .btn {
        padding: 12px 24px;
        font-size: 16px;
    }
    .btn-small {
        padding: 6px 12px;
        font-size: 13px;
    }

    /* Static pages */
    .static-page {
        max-width: 100%;
        margin: 10px 0;
        padding: 16px;
    }

    /* Admin table horizontal scroll */
    .admin-table-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .admin-table {
        min-width: 600px;
    }
    .admin-action-btn {
        padding: 6px 8px;
        font-size: 12px;
    }

    /* Modal full width on mobile */
    .modal-box {
        max-width: 94%;
        padding: 20px;
    }
    .modal-title {
        font-size: 16px;
    }

    /* Report bar single column */
    .report-bar {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        font-size: 12px;
    }

    /* Products header */
    .products-brand {
        font-size: 22px;
        letter-spacing: 2px;
    }
    .products-subtitle {
        font-size: 14px;
    }

    /* File upload */
    .file-upload-area {
        padding: 14px;
        font-size: 14px;
    }
    .file-preview {
        max-width: 160px;
        max-height: 160px;
    }

    /* Captcha bigger tap area */
    .captcha-item {
        width: 56px;
        height: 56px;
        font-size: 11px;
    }
    .captcha-choice-btn {
        padding: 10px 14px;
        font-size: 15px;
    }

    /* Toast */
    .toast {
        top: 56px;
        padding: 10px 16px;
        font-size: 13px;
        max-width: 90%;
    }

    /* Admin tab bar scrollable */
    .admin-tab-bar {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        gap: 0;
    }
    .admin-tab {
        padding: 8px 16px;
        font-size: 14px;
        white-space: nowrap;
    }
}

/* ==================== Ultra small screens (max-width: 360px) ==================== */
@media screen and (max-width: 360px) {
    .main-content {
        padding: 8px;
    }
    .product-card {
        padding: 10px;
    }
    .form-card {
        padding: 12px;
    }
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    .products-brand {
        font-size: 18px;
    }
}