/* ==========================================================================
   暗夜极光 - 登录页与管理后台共用样式
   深空画布 + 极光光晕 + 噪点颗粒 + 暗色玻璃拟态
   图标统一使用 Lucide（data-lucide 标签），界面不使用表情符号
   ========================================================================== */

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

/* --------------------------------------------------------------------------
   设计令牌（与主站 style.css 保持一致）
   -------------------------------------------------------------------------- */
:root {
    --primary: #6d5efc;
    --primary-2: #a855f7;
    --accent: #22d3ee;
    --pink: #ec4899;

    --canvas-0: #05060d;
    --canvas-1: #0a0c1c;
    --canvas-border: rgba(255, 255, 255, 0.09);

    --glass-bg: rgba(16, 18, 42, 0.55);
    --glass-bg-strong: rgba(16, 18, 42, 0.82);
    --glass-border: rgba(255, 255, 255, 0.12);

    --on-canvas: #f5f5fb;
    --on-canvas-muted: rgba(245, 245, 251, 0.62);

    --success: #34e2a0;
    --warning: #ffb454;
    --error: #ff5c76;
    --info: #4da8ff;

    --radius-xs: 8px;
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --radius-full: 999px;

    --shadow-md: 0 20px 48px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 40px 90px rgba(0, 0, 0, 0.5);
    --glow-primary: 0 0 40px rgba(109, 94, 252, 0.35);
    --glow-accent: 0 0 40px rgba(34, 211, 238, 0.25);

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;

    --font-display: 'Space Grotesk', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
        'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;

    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.15s var(--ease-smooth);
    --transition-normal: 0.3s var(--ease-smooth);

    --z-canvas: 0;
    --z-content: 10;
    --z-nav: 100;
    --z-toast: 1100;
    --z-grain: 2000;

    --sidebar-w: 240px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}

html {
    color-scheme: dark;
}

body {
    font-family: var(--font-body);
    background-color: var(--canvas-0);
    background-image: linear-gradient(180deg, var(--canvas-0) 0%, var(--canvas-1) 55%, var(--canvas-0) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--on-canvas);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* 极光光晕层 */
.aurora {
    position: fixed;
    inset: 0;
    z-index: var(--z-canvas);
    pointer-events: none;
    overflow: hidden;
}

.aurora .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.5;
    will-change: transform;
}

.orb-1 {
    width: 52vw;
    height: 52vw;
    top: -18vw;
    left: -12vw;
    background: radial-gradient(circle at 30% 30%, rgba(109, 94, 252, 0.9), transparent 70%);
    animation: drift-a 26s ease-in-out infinite alternate;
}

.orb-2 {
    width: 46vw;
    height: 46vw;
    top: 6vh;
    right: -14vw;
    background: radial-gradient(circle at 60% 40%, rgba(34, 211, 238, 0.7), transparent 70%);
    animation: drift-b 32s ease-in-out infinite alternate;
}

.orb-3 {
    width: 40vw;
    height: 40vw;
    bottom: -16vw;
    left: 26vw;
    background: radial-gradient(circle at 50% 50%, rgba(236, 72, 153, 0.55), transparent 70%);
    animation: drift-c 38s ease-in-out infinite alternate;
}

@keyframes drift-a {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(6vw, 8vh, 0) scale(1.15); }
}

@keyframes drift-b {
    from { transform: translate3d(0, 0, 0) scale(1.1); }
    to   { transform: translate3d(-7vw, 10vh, 0) scale(0.95); }
}

@keyframes drift-c {
    from { transform: translate3d(0, 0, 0) scale(0.95); }
    to   { transform: translate3d(5vw, -8vh, 0) scale(1.12); }
}

/* 噪点颗粒 */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: var(--z-grain);
    pointer-events: none;
    opacity: 0.05;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* 玻璃卡片 */
.glass {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(26px);
    backdrop-filter: blur(26px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* --------------------------------------------------------------------------
   登录页
   -------------------------------------------------------------------------- */
.auth-shell {
    position: relative;
    z-index: var(--z-content);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-5);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    padding: var(--space-7);
    animation: rise-in 0.7s var(--ease-out-expo) both;
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(26px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.auth-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.auth-brand .brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: white;
    box-shadow: var(--glow-primary);
}

.auth-brand .brand-icon svg {
    width: 26px;
    height: 26px;
}

.auth-brand h1 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    letter-spacing: 0.01em;
}

.auth-brand .brand-sub {
    color: var(--on-canvas-muted);
    font-size: 13px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--on-canvas-muted);
}

.field input {
    padding: 13px 16px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    background: rgba(5, 6, 13, 0.5);
    color: var(--on-canvas);
    font-size: 14.5px;
    font-family: inherit;
    transition: all var(--transition-normal);
}

.field input::placeholder {
    color: rgba(245, 245, 251, 0.32);
}

.field input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.15), var(--glow-accent);
}

/* 登录按钮（磁吸） */
.auth-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-2);
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    box-shadow: var(--glow-primary);
    transition: box-shadow var(--transition-normal);
    will-change: transform;
}

.auth-submit svg {
    width: 17px;
    height: 17px;
}

.auth-submit:hover {
    box-shadow: 0 0 60px rgba(109, 94, 252, 0.5);
}

.auth-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 错误提示条 */
.auth-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    background: rgba(255, 92, 118, 0.1);
    border: 1px solid rgba(255, 92, 118, 0.3);
    color: var(--error);
    font-size: 13px;
    line-height: 1.6;
    opacity: 0;
    transform: translateY(-6px);
    transition: all var(--transition-normal);
    pointer-events: none;
}

.auth-alert.show {
    opacity: 1;
    transform: translateY(0);
}

.auth-alert svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}

.auth-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: var(--space-5);
    color: var(--on-canvas-muted);
    text-decoration: none;
    font-size: 13px;
    transition: color var(--transition-fast);
    justify-content: center;
    width: 100%;
}

.auth-back svg {
    width: 14px;
    height: 14px;
}

.auth-back:hover {
    color: var(--accent);
}

/* --------------------------------------------------------------------------
   管理后台：侧边栏 + 主区
   -------------------------------------------------------------------------- */
.dashboard {
    position: relative;
    z-index: var(--z-content);
    display: flex;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: var(--sidebar-w);
    display: flex;
    flex-direction: column;
    padding: var(--space-5) var(--space-4);
    background: rgba(5, 6, 13, 0.6);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--canvas-border);
    z-index: var(--z-nav);
}

.side-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0 var(--space-2) var(--space-5);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
}

.side-brand svg {
    width: 22px;
    height: 22px;
    color: var(--accent);
}

.side-brand .brand-accent {
    color: var(--accent);
}

.side-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    flex: 1;
}

.side-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 12px 14px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--on-canvas-muted);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.side-item svg {
    width: 17px;
    height: 17px;
    flex-shrink: 0;
}

.side-item:hover {
    color: var(--on-canvas);
    background: rgba(255, 255, 255, 0.06);
}

.side-item.active {
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: var(--glow-primary);
}

.side-footer {
    padding-top: var(--space-4);
    border-top: 1px solid var(--canvas-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.side-user {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0 var(--space-2);
    font-size: 13px;
    color: var(--on-canvas-muted);
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.side-user svg {
    width: 15px;
    height: 15px;
    color: var(--accent);
    flex-shrink: 0;
}

.side-logout {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 11px 14px;
    border: 1px solid rgba(255, 92, 118, 0.3);
    border-radius: var(--radius-sm);
    background: rgba(255, 92, 118, 0.08);
    color: var(--error);
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.side-logout svg {
    width: 16px;
    height: 16px;
}

.side-logout:hover {
    background: var(--error);
    color: white;
}

/* 主区 */
.main {
    flex: 1;
    margin-left: var(--sidebar-w);
    padding: var(--space-6);
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.topbar h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.topbar .page-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.topbar .page-title svg {
    width: 22px;
    height: 22px;
    color: var(--accent);
}

/* 内容面板 */
.panel {
    display: none;
    animation: panel-in 0.45s var(--ease-out-expo) both;
}

.panel.active {
    display: block;
}

@keyframes panel-in {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-5);
}

.stat-card {
    padding: var(--space-5);
    border-radius: var(--radius-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity var(--transition-normal);
    background: radial-gradient(circle at 90% -20%, rgba(109, 94, 252, 0.35), transparent 55%);
    pointer-events: none;
}

.stat-card:hover {
    transform: translateY(-3px);
    border-color: rgba(109, 94, 252, 0.4);
    box-shadow: var(--shadow-md), var(--glow-primary);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 34px;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff, var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: var(--space-1);
}

.stat-label {
    color: var(--on-canvas-muted);
    font-size: 13.5px;
}

/* 表单区 */
.panel-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 17px;
    font-weight: 700;
    margin-bottom: var(--space-5);
}

.panel-title svg {
    width: 19px;
    height: 19px;
    color: var(--accent);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--on-canvas-muted);
}

.form-group input,
.form-group select {
    padding: 12px 15px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    background: rgba(5, 6, 13, 0.5);
    color: var(--on-canvas);
    font-size: 14px;
    font-family: inherit;
    transition: all var(--transition-normal);
}

.form-group input::placeholder {
    color: rgba(245, 245, 251, 0.32);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.15), var(--glow-accent);
}

/* 通用按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 11px 22px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.btn svg {
    width: 15px;
    height: 15px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: white;
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 60px rgba(109, 94, 252, 0.5);
}

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-danger:hover {
    background: #ff4563;
}

.btn-warning {
    background: var(--warning);
    color: #201403;
}

.btn-warning:hover {
    background: #ffc26e;
}

.btn-success {
    background: var(--success);
    color: #03281a;
}

.btn-success:hover {
    background: #4deeb0;
}

.btn-sm {
    padding: 7px 14px;
    font-size: 12.5px;
}

/* 工具条 */
.toolbar {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
    align-items: center;
}

.toolbar input,
.toolbar select {
    padding: 11px 15px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    background: rgba(5, 6, 13, 0.5);
    color: var(--on-canvas);
    font-size: 13.5px;
    font-family: inherit;
}

.toolbar input {
    flex: 1;
    min-width: 200px;
}

.toolbar input:focus,
.toolbar select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.15);
}

/* 令牌表格 */
.token-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}

.token-table th,
.token-table td {
    padding: 13px 16px;
    text-align: left;
    border-bottom: 1px solid var(--canvas-border);
    font-size: 13px;
}

.token-table th {
    background: rgba(255, 255, 255, 0.05);
    color: var(--on-canvas-muted);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.token-table td {
    color: var(--on-canvas);
}

.token-table tr:last-child td {
    border-bottom: none;
}

.token-table tbody tr {
    transition: background var(--transition-fast);
}

.token-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.04);
}

.token-table code {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    color: var(--accent);
    font-size: 12.5px;
}

.status-active {
    color: var(--success);
    font-weight: 700;
}

.status-disabled {
    color: var(--error);
    font-weight: 700;
}

.status-expired {
    color: var(--warning);
    font-weight: 700;
}

.action-buttons {
    display: flex;
    gap: 6px;
}

.empty-row {
    text-align: center;
    color: var(--on-canvas-muted);
    padding: var(--space-6) !important;
}

/* 提示条 */
.alert {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-4);
    font-size: 13.5px;
    opacity: 0;
    transform: translateY(-6px);
    transition: all var(--transition-normal);
    pointer-events: none;
}

.alert.show {
    opacity: 1;
    transform: translateY(0);
}

.alert svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.alert-success {
    background: rgba(52, 226, 160, 0.1);
    border: 1px solid rgba(52, 226, 160, 0.3);
    color: var(--success);
}

.alert-error {
    background: rgba(255, 92, 118, 0.1);
    border: 1px solid rgba(255, 92, 118, 0.3);
    color: var(--error);
}

/* --------------------------------------------------------------------------
   响应式
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
    .sidebar {
        position: static;
        width: 100%;
        height: auto;
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
        gap: var(--space-2);
        border-right: none;
        border-bottom: 1px solid var(--canvas-border);
        padding: var(--space-3) var(--space-4);
    }

    .side-brand {
        padding: 0;
        margin-right: auto;
    }

    .side-nav {
        flex-direction: row;
        flex: none;
        flex-wrap: wrap;
        gap: var(--space-1);
    }

    .side-item {
        padding: 9px 13px;
        font-size: 13px;
    }

    .side-footer {
        flex-direction: row;
        align-items: center;
        gap: var(--space-2);
        padding-top: 0;
        border-top: none;
        margin-left: auto;
    }

    .side-user {
        display: none;
    }

    .dashboard {
        flex-direction: column;
    }

    .main {
        margin-left: 0;
        padding: var(--space-4);
    }
}

@media (max-width: 560px) {
    .token-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    .auth-card {
        padding: var(--space-6) var(--space-5);
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3);
    }

    .topbar h1 {
        font-size: 1.25rem;
    }
}