/* Apple-inspired design system — RelaXR */

:root {
    --apple-bg: #fbfbfd;
    --apple-bg-elevated: #ffffff;
    --apple-text: #1d1d1f;
    --apple-text-secondary: #6e6e73;
    --apple-text-tertiary: #86868b;
    --apple-border: rgba(0, 0, 0, 0.08);
    --apple-border-strong: rgba(0, 0, 0, 0.12);
    --apple-blue: #0071e3;
    --apple-blue-hover: #0077ed;
    --apple-blue-active: #006edb;
    --apple-radius: 12px;
    --apple-radius-lg: 18px;
    --apple-radius-pill: 980px;
    --apple-nav-h: 52px;
    --apple-font: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'Helvetica Neue', Arial, sans-serif;
    --apple-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --apple-shadow-md: 0 8px 28px rgba(0, 0, 0, 0.08);
    --apple-ease: cubic-bezier(0.25, 0.1, 0.25, 1);
}

html, body {
    font-family: var(--apple-font);
    background: var(--apple-bg);
    color: var(--apple-text);
    font-size: 14px;
    line-height: 1.47059;
    letter-spacing: -0.016em;
    -webkit-font-smoothing: antialiased;
}

/* —— 登录页 —— */
.login-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--apple-bg);
}

.login-page--antigravity {
    background: #050510;
    position: relative;
    overflow: hidden;
}

.login-antigravity-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.login-page-content {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.login-page-nav {
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 22px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(8, 10, 28, 0.45);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
}

.login-page--antigravity .login-page-logo {
    color: #f5f7ff;
}

.login-page--antigravity .login-page-tagline {
    color: rgba(200, 210, 255, 0.72);
}

.locale-switch--login {
    border-color: rgba(255, 255, 255, 0.18);
}

.locale-switch--login .locale-switch-btn {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(230, 235, 255, 0.85);
}

.locale-switch--login .locale-switch-btn.active {
    background: rgba(100, 140, 255, 0.55);
    color: #fff;
}

.login-card--glass {
    padding: 36px 32px 32px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
}

.login-page--antigravity .login-card-brand,
.login-page--antigravity .login-card-title {
    color: #f5f7ff;
}

.login-page--antigravity .apple-field-label {
    color: rgba(220, 228, 255, 0.88);
}

.login-page--antigravity .login-input {
    background: rgba(0, 0, 0, 0.28);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #fff;
}

.login-page--antigravity .login-input::placeholder {
    color: rgba(200, 210, 255, 0.45);
}

.login-page--antigravity .login-input:focus {
    border-color: rgba(120, 160, 255, 0.65);
    box-shadow: 0 0 0 3px rgba(80, 120, 255, 0.2);
}

.login-page--antigravity .login-submit {
    background: linear-gradient(135deg, #5b7cfa 0%, #3d5afe 50%, #7c4dff 100%);
    border: none;
}

.login-page--antigravity .login-card-error {
    color: #ff8a80;
}

.login-page-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.login-page-logo {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--apple-text);
}

.login-page-tagline {
    margin: 0;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.01em;
    color: var(--apple-text-secondary);
    line-height: 1.35;
    max-width: 280px;
}

.login-card-brand {
    margin: 0 0 8px;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--apple-text);
}

.login-page-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 22px 64px;
}

.login-card {
    width: 100%;
    max-width: 440px;
    text-align: center;
}

.login-card-title {
    font-size: 40px;
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--apple-text);
    margin: 0 0 12px;
}

.login-card-lead {
    font-size: 17px;
    color: var(--apple-text-secondary);
    margin: 0 0 36px;
    line-height: 1.5;
    font-weight: 400;
}

.login-form {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.apple-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.apple-field-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--apple-text-secondary);
    letter-spacing: 0;
}

.apple-input {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    font-size: 17px;
    font-family: var(--apple-font);
    color: var(--apple-text);
    background: var(--apple-bg-elevated);
    border: 1px solid var(--apple-border-strong);
    border-radius: var(--apple-radius);
    transition: border-color 0.2s var(--apple-ease), box-shadow 0.2s var(--apple-ease);
}

.apple-input::placeholder {
    color: var(--apple-text-tertiary);
}

.apple-input:hover {
    border-color: rgba(0, 0, 0, 0.18);
}

.apple-input:focus {
    outline: none;
    border-color: var(--apple-blue);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.15);
}

.apple-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--apple-font);
    font-size: 17px;
    font-weight: 400;
    line-height: 1.2;
    border-radius: var(--apple-radius-pill);
    border: none;
    cursor: pointer;
    transition: background 0.2s var(--apple-ease), opacity 0.2s;
}

.apple-btn-primary {
    background: var(--apple-blue);
    color: #fff;
    min-height: 48px;
    padding: 0 22px;
}

.apple-btn-primary:hover:not(:disabled) {
    background: var(--apple-blue-hover);
}

.apple-btn-primary:active:not(:disabled) {
    background: var(--apple-blue-active);
}

.apple-btn-primary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.apple-btn-block {
    width: 100%;
    margin-top: 8px;
}

.login-card-error {
    font-size: 14px;
    color: #bf4800;
    text-align: center;
    margin: 0;
    padding: 12px 16px;
    background: rgba(191, 72, 0, 0.08);
    border-radius: var(--apple-radius);
}

/* —— 应用壳层 —— */
.app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.apple-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--apple-nav-h);
    background: rgba(251, 251, 253, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--apple-border);
}

.apple-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    padding: 0 22px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.apple-nav-start {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-shrink: 0;
    min-width: 0;
}

.apple-brand {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.022em;
    color: var(--apple-text);
}

.apple-brand-sub {
    font-size: 12px;
    color: var(--apple-text-tertiary);
    font-weight: 400;
}

.apple-segment {
    display: inline-flex;
    padding: 3px;
    background: rgba(0, 0, 0, 0.06);
    border-radius: var(--apple-radius-pill);
    flex-shrink: 0;
}

.apple-segment-btn {
    border: none;
    background: transparent;
    font-family: var(--apple-font);
    font-size: 13px;
    font-weight: 500;
    color: var(--apple-text-secondary);
    padding: 6px 16px;
    border-radius: var(--apple-radius-pill);
    cursor: pointer;
    transition: background 0.2s var(--apple-ease), color 0.2s var(--apple-ease);
}

.apple-segment-btn:hover:not(.active) {
    color: var(--apple-text);
}

.apple-segment-btn.active {
    background: var(--apple-bg-elevated);
    color: var(--apple-text);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.apple-nav-end {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.apple-upload-strip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 6px 4px 8px;
    background: rgba(0, 0, 0, 0.04);
    border-radius: var(--apple-radius-pill);
    border: 1px solid var(--apple-border);
}

.apple-week-input {
    height: 28px;
    min-width: 118px;
    padding: 0 8px;
    font-size: 12px;
    font-family: var(--apple-font);
    color: var(--apple-text);
    background: var(--apple-bg-elevated);
    border: 1px solid var(--apple-border);
    border-radius: 6px;
}

.apple-week-input:focus {
    outline: none;
    border-color: var(--apple-blue);
}

.apple-pill-btn {
    height: 28px;
    padding: 0 12px;
    font-size: 12px;
    font-weight: 500;
    font-family: var(--apple-font);
    color: var(--apple-text);
    background: var(--apple-bg-elevated);
    border: 1px solid var(--apple-border-strong);
    border-radius: var(--apple-radius-pill);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.apple-pill-btn:hover:not(:disabled) {
    background: #f5f5f7;
    border-color: rgba(0, 0, 0, 0.16);
}

.apple-pill-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.apple-pill-btn.is-loading {
    opacity: 0.6;
}

.apple-user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--apple-text-secondary);
}

.apple-user-name {
    max-width: 88px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
    color: var(--apple-text);
}

.apple-link-btn {
    border: none;
    background: none;
    font-family: var(--apple-font);
    font-size: 12px;
    color: var(--apple-blue);
    cursor: pointer;
    padding: 0;
}

.apple-link-btn:hover {
    text-decoration: underline;
}

.apple-toast {
    position: fixed;
    top: calc(var(--apple-nav-h) + 12px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    padding: 10px 18px;
    font-size: 13px;
    border-radius: var(--apple-radius-pill);
    box-shadow: var(--apple-shadow-md);
    max-width: min(90vw, 480px);
    text-align: center;
}

.apple-toast--success {
    background: var(--apple-text);
    color: #f5f5f7;
}

.apple-toast--error {
    background: #fff;
    color: #bf4800;
    border: 1px solid rgba(191, 72, 0, 0.25);
}

.app-main {
    flex: 1;
    max-width: 2400px;
    width: 100%;
    margin: 0 auto;
    padding: 20px 22px 48px;
    box-sizing: border-box;
}

.apple-hero-stats {
    font-size: 13px;
    color: var(--apple-text-secondary);
    margin-bottom: 20px;
    font-weight: 400;
}

.apple-hero-dot {
    margin: 0 6px;
    opacity: 0.5;
}

.apple-hero-warn {
    color: #bf4800;
}

.apple-empty {
    text-align: center;
    padding: 80px 24px;
}

.apple-empty h2 {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0 0 10px;
    color: var(--apple-text);
}

.apple-empty p {
    font-size: 17px;
    color: var(--apple-text-secondary);
    margin: 0;
}

/* —— 产品中心：沿用原系统 8 列高密度卡片（覆盖 Apple 卡片样式） —— */
.product-center-section {
    margin-top: 0;
    width: 100%;
}

.product-center-scope-banner {
    margin: 12px 0;
    padding: 10px 14px;
    background: #e8f4fd;
    border: 1px solid #b8daff;
    border-radius: 6px;
    font-size: 13px;
    color: #0c5460;
    line-height: 1.5;
}

.filter-section {
    background: #fff;
    border: 1px solid #e1e4e8;
    border-radius: 6px;
    padding: 10px 12px;
    margin-bottom: 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.filter-group label {
    font-size: 12px;
    color: #6c757d;
}

.stats-info {
    font-size: 12px;
    color: #6c757d;
}

/* 宽屏固定 8 列（与原 sku_analytics 一致） */
.product-center-grid {
    display: grid !important;
    grid-template-columns: repeat(8, minmax(0, 1fr)) !important;
    gap: 8px !important;
    margin-top: 12px;
    width: 100%;
    container-type: inline-size;
    container-name: product-center;
}

@media (max-width: 1800px) {
    .product-center-grid {
        grid-template-columns: repeat(6, minmax(0, 1fr)) !important;
    }
}

@media (max-width: 1400px) {
    .product-center-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
    }
}

@media (max-width: 1100px) {
    .product-center-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    }
}

@media (max-width: 900px) {
    .product-center-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    }
}

@media (max-width: 640px) {
    .product-center-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }
}

@media (max-width: 400px) {
    .product-center-grid {
        grid-template-columns: 1fr !important;
    }
}

.product-center-grid .pc-style-card {
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    transform: none;
}

.product-center-grid .pc-style-card:hover {
    transform: none;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.product-center-grid .pc-style-card-head {
    padding: 8px;
    gap: 6px;
}

.product-center-grid .pc-style-image-wrap {
    width: min(100%, 12.5cqw);
    margin: 0 auto;
    aspect-ratio: 1;
    height: auto;
    border-radius: 6px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
}

@supports not (width: 1cqw) {
    .product-center-grid .pc-style-image-wrap {
        width: 50%;
    }
}

.product-center-grid .pc-style-code {
    font-size: 11px;
    line-height: 1.25;
    color: #212529;
    font-weight: 700;
}

.product-center-grid .pc-style-index {
    font-size: 10px;
    color: #adb5bd;
}

.product-center-grid .pc-style-groups {
    font-size: 10px;
    color: #6c757d;
}

.product-center-grid .pc-style-stats {
    font-size: 10px;
    gap: 4px 8px;
}

.product-center-grid .pc-style-stats dt {
    color: #6c757d;
    font-size: 10px;
}

.product-center-grid .pc-style-stats dd {
    color: #212529;
    font-size: 10px;
    font-weight: 700;
}

.product-center-grid .pc-expand-btn {
    padding: 4px 5px;
    font-size: 10px;
    border-radius: 4px;
    background: #f8f9fa;
    border: 1px solid #ced4da;
    color: #495057;
}

.product-center-grid .pc-expand-btn:hover {
    background: #e9ecef;
    border-color: #adb5bd;
}

.product-center-section .load-more-btn {
    margin: 16px auto 8px;
    display: block;
    padding: 8px 20px;
    border: 1px solid #007bff;
    background: #fff;
    color: #007bff;
    border-radius: 4px;
    font-size: 13px;
}

.product-center-section .load-more-btn:hover {
    background: #007bff;
    color: #fff;
}

.dimension-loading {
    padding: 64px 20px;
    color: var(--apple-text-secondary);
}

.dimension-loading .spinner {
    border-color: rgba(0, 0, 0, 0.08);
    border-top-color: var(--apple-text);
}

/* 弹窗 */
.modal-overlay {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
}

.modal-content,
.pc-sku-modal {
    border-radius: var(--apple-radius-lg);
    box-shadow: var(--apple-shadow-md);
    border: 1px solid var(--apple-border);
}

.modal-close-btn {
    color: var(--apple-text-secondary);
    font-weight: 300;
}

.pc-sku-modal-grid .pc-sku-card {
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.pc-sku-modal {
    width: min(96vw, 1120px) !important;
    max-width: 96vw !important;
}

.pc-sku-modal-grid {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 8px !important;
}

@media (max-width: 900px) {
    .pc-sku-modal-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    }
}

@media (max-width: 640px) {
    .pc-sku-modal-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }
}

@media (max-width: 400px) {
    .pc-sku-modal-grid {
        grid-template-columns: 1fr !important;
    }
}

/* 用户管理 */
.user-management-container {
    background: var(--apple-bg-elevated);
    border: 1px solid var(--apple-border);
    border-radius: var(--apple-radius-lg);
    padding: 24px;
    box-shadow: var(--apple-shadow-sm);
}

.user-management-header h3 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.btn-primary,
.btn-upload.unified {
    font-family: var(--apple-font);
    background: var(--apple-blue) !important;
    color: #fff !important;
    border: none !important;
    border-radius: var(--apple-radius-pill) !important;
    box-shadow: none !important;
}

.btn-primary:hover:not(:disabled),
.btn-upload.unified:hover:not(:disabled) {
    background: var(--apple-blue-hover) !important;
}

.btn-secondary {
    font-family: var(--apple-font);
    border-radius: var(--apple-radius-pill);
    border: 1px solid var(--apple-border-strong);
    background: var(--apple-bg);
}

.user-management-section.user-management-container {
    gap: 16px;
}

.user-mgmt-card {
    border-color: var(--apple-border);
    box-shadow: var(--apple-shadow-sm);
}

.user-mgmt-btn-reset {
    font-family: var(--apple-font);
    border-radius: var(--apple-radius-pill);
    border: 2px solid var(--apple-border-strong);
    color: var(--apple-text);
    background: var(--apple-bg-elevated);
}

.user-mgmt-btn-reset:hover {
    background: #e8e8ed;
    border-color: #86868b;
}

.user-mgmt-btn-create {
    font-family: var(--apple-font);
    border-radius: var(--apple-radius-pill);
    background: var(--apple-blue) !important;
    box-shadow: none !important;
}

.user-mgmt-btn-create:hover:not(:disabled) {
    background: var(--apple-blue-hover) !important;
    transform: none;
}

.user-mgmt-btn-refresh {
    font-family: var(--apple-font);
    border-radius: var(--apple-radius-pill);
}

.user-table {
    border-radius: var(--apple-radius);
    overflow: hidden;
}

.user-table th {
    font-size: 12px;
    font-weight: 600;
    color: var(--apple-text-secondary);
    background: #f5f5f7;
}

/* 隐藏已废弃的旧布局块 */
.header-section.unified,
.data-import-panel,
.view-toggle-section,
.message-box {
    display: none !important;
}

@media (max-width: 900px) {
    .apple-nav-inner {
        flex-wrap: wrap;
        height: auto;
        min-height: var(--apple-nav-h);
        padding: 10px 16px;
        gap: 10px;
    }

    .apple-segment {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .apple-nav-end {
        width: 100%;
        justify-content: space-between;
    }

    .login-card-title {
        font-size: 32px;
    }
}

@media (max-width: 520px) {
    .apple-upload-strip {
        flex-wrap: wrap;
        border-radius: var(--apple-radius);
        max-width: 100%;
    }

    .apple-week-input {
        width: 100%;
    }
}