/* =================================================================
 * Loostrive 卡密系统 — 现代风格 CSS (2024+ 美学)
 * 玻璃态 · 渐变 · Bento 网格 · 微动画 · SVG-friendly
 * ================================================================= */

/* ---------- 设计变量 ---------- */
:root {
    --loo-bg: #f7f8fa;
    --loo-surface: #ffffff;
    --loo-text: #1f2937;
    --loo-text-muted: #6b7280;
    --loo-text-soft: #9ca3af;
    --loo-border: #e5e7eb;
    --loo-shadow-sm: 0 1px 2px rgba(0,0,0,.04);
    --loo-shadow: 0 4px 16px rgba(0,0,0,.06);
    --loo-shadow-lg: 0 12px 40px rgba(0,0,0,.10);
    --loo-radius-sm: 8px;
    --loo-radius: 14px;
    --loo-radius-lg: 20px;
    --loo-gold: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    --loo-gold-soft: linear-gradient(135deg, #fff8e1, #ffecb3);
    --loo-diamond: linear-gradient(135deg, #B9F2FF 0%, #6DB9E4 100%);
    --loo-diamond-soft: linear-gradient(135deg, #e3f2fd, #b3e5fc);
    --loo-accent: #FF7D00;
    --loo-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --loo-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

:root[data-theme="dark"] {
    --loo-bg: #0f1117;
    --loo-surface: #1a1d27;
    --loo-text: #f0f2f5;
    --loo-text-muted: #94a3b8;
    --loo-text-soft: #64748b;
    --loo-border: #2a2f3a;
    --loo-shadow-sm: 0 1px 2px rgba(0,0,0,.3);
    --loo-shadow: 0 4px 16px rgba(0,0,0,.4);
    --loo-shadow-lg: 0 12px 40px rgba(0,0,0,.5);
    --loo-gold-soft: linear-gradient(135deg, #3d2f10, #5a4215);
    --loo-diamond-soft: linear-gradient(135deg, #0f2530, #163d54);
}

/* ---------- 兑换页面容器 ---------- */
.loo-cdkey-redeem-page {
    position: relative;
    margin: 0 0 40px;
    padding: 0;
    background: transparent;
}

.loo-cdkey-redeem-page::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,125,0,.12) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    animation: loo-float 8s ease-in-out infinite;
}
.loo-cdkey-redeem-page::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99,102,241,.10) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    animation: loo-float 10s ease-in-out infinite reverse;
}
@keyframes loo-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -30px) scale(1.1); }
}

/* ---------- Hero 区(深色渐变 + SVG 图标) ---------- */
.loo-cdkey-hero {
    position: relative;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #312e81 100%);
    color: #fff;
    padding: 48px 32px;
    text-align: center;
    border-radius: var(--loo-radius-lg);
    margin-bottom: 28px;
    overflow: hidden;
    box-shadow: var(--loo-shadow-lg);
}

.loo-cdkey-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,125,0,.4) 0%, transparent 65%);
    border-radius: 50%;
    animation: loo-float 6s ease-in-out infinite;
    pointer-events: none;
}
.loo-cdkey-hero::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -15%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99,102,241,.3) 0%, transparent 65%);
    border-radius: 50%;
    animation: loo-float 8s ease-in-out infinite reverse;
    pointer-events: none;
}

.loo-cdkey-hero h1 {
    position: relative;
    margin: 0 0 8px;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: 1;
}
.loo-cdkey-hero p {
    position: relative;
    margin: 0;
    color: #94a3b8;
    font-size: 15px;
    z-index: 1;
}

/* ---------- 通用卡片(玻璃态 + 渐变边框) ---------- */
.loo-cdkey-card {
    position: relative;
    background: var(--loo-surface);
    border-radius: var(--loo-radius-lg);
    padding: 32px;
    margin: 0 0 24px;
    box-shadow: var(--loo-shadow);
    overflow: hidden;
    transition: transform .3s var(--loo-ease), box-shadow .3s var(--loo-ease);
}

.loo-cdkey-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--loo-radius-lg);
    padding: 1.5px;
    background: linear-gradient(135deg,
        #FF7D00 0%, #FFD700 25%, #FF0080 50%, #6366F1 75%, #FF7D00 100%);
    background-size: 300% 300%;
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: .35;
    animation: loo-gradient-pan 8s linear infinite;
}
@keyframes loo-gradient-pan {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.loo-cdkey-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--loo-shadow-lg);
}
.loo-cdkey-card:hover::before {
    opacity: .65;
}

.loo-cdkey-card h3 {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 20px;
    font-size: 18px;
    font-weight: 700;
    color: var(--loo-text);
    letter-spacing: -.3px;
}
.loo-cdkey-card h3::before {
    content: '';
    width: 4px;
    height: 18px;
    background: linear-gradient(180deg, var(--loo-accent), #FFD700);
    border-radius: 2px;
}

/* ---------- 状态徽章 ---------- */
.loo-cdkey-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: .3px;
    position: relative;
    overflow: hidden;
}
.loo-cdkey-tier-gold {
    background: var(--loo-gold);
    color: #5a3d00;
    box-shadow: 0 4px 14px rgba(255,200,0,.45), inset 0 1px 0 rgba(255,255,255,.4);
}
.loo-cdkey-tier-gold::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent);
    animation: loo-shimmer 3s infinite;
}
@keyframes loo-shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}
.loo-cdkey-tier-diamond {
    background: var(--loo-diamond);
    color: #013b50;
    box-shadow: 0 4px 14px rgba(100,200,255,.45), inset 0 1px 0 rgba(255,255,255,.4);
}
.loo-cdkey-tier-diamond::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent);
    animation: loo-shimmer 3s infinite;
}
.loo-cdkey-tier-none {
    background: var(--loo-border);
    color: var(--loo-text-muted);
}

/* ---------- 状态表 ---------- */
.loo-cdkey-status-card .loo-cdkey-status-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}
.loo-cdkey-status-card .loo-cdkey-status-table th,
.loo-cdkey-status-card .loo-cdkey-status-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--loo-border);
    font-size: 14px;
}
.loo-cdkey-status-card .loo-cdkey-status-table th {
    width: 100px;
    color: var(--loo-text-muted);
    font-weight: 500;
    font-size: 13px;
}
.loo-cdkey-status-card .loo-cdkey-status-table tr:last-child th,
.loo-cdkey-status-card .loo-cdkey-status-table tr:last-child td {
    border-bottom: 0;
}

/* ---------- 时间进度条 ---------- */
.loo-cdkey-progress {
    position: relative;
    width: 100%;
    height: 6px;
    background: var(--loo-border);
    border-radius: 100px;
    overflow: hidden;
    margin-top: 8px;
}
.loo-cdkey-progress-fill {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--loo-accent), #FFD700);
    border-radius: 100px;
    transform-origin: left;
    transition: transform .6s var(--loo-ease-out);
}

/* ---------- 表单 ---------- */
.loo-cdkey-input-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin: 16px 0;
}
.loo-cdkey-input {
    width: 100%;
    max-width: 380px;
    padding: 16px 20px;
    font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-align: center;
    color: var(--loo-text);
    background: var(--loo-bg);
    border: 2px solid var(--loo-border);
    border-radius: 12px;
    transition: all .25s var(--loo-ease);
    outline: none;
}
.loo-cdkey-input::placeholder {
    color: var(--loo-text-soft);
    font-weight: 400;
    letter-spacing: .5px;
}
.loo-cdkey-input:hover {
    border-color: var(--loo-accent);
}
.loo-cdkey-input:focus {
    border-color: var(--loo-accent);
    background: var(--loo-surface);
    box-shadow:
        0 0 0 4px rgba(255,125,0,.15),
        0 8px 24px rgba(255,125,0,.1);
    transform: translateY(-1px);
}

.loo-cdkey-submit {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: .3px;
    color: #fff;
    background: linear-gradient(135deg, var(--loo-accent), #FF0080);
    border: 0;
    border-radius: 100px;
    cursor: pointer;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(255,125,0,.4);
    transition: all .25s var(--loo-ease);
}
.loo-cdkey-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255,125,0,.5);
}
.loo-cdkey-submit:active {
    transform: translateY(0);
}
.loo-cdkey-submit::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.4), transparent);
    transform: translateX(-100%);
    transition: transform .6s;
}
.loo-cdkey-submit:hover::after {
    transform: translateX(100%);
}

/* ---------- 等级对比 Bento 网格 ---------- */
.loo-cdkey-tier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 8px;
}
.loo-cdkey-tier-card {
    position: relative;
    padding: 24px 18px;
    border-radius: var(--loo-radius);
    background: var(--loo-bg);
    text-align: center;
    transition: all .3s var(--loo-ease);
    overflow: hidden;
}
.loo-cdkey-tier-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--loo-shadow);
}
.loo-cdkey-tier-card.featured {
    background: var(--loo-gold-soft);
    transform: scale(1.04);
    box-shadow: 0 8px 24px rgba(255,200,0,.25);
}
.loo-cdkey-tier-card.diamond {
    background: var(--loo-diamond-soft);
}
.loo-cdkey-tier-card.diamond:hover {
    box-shadow: 0 8px 24px rgba(100,200,255,.3);
}

.loo-cdkey-tier-card h4 {
    margin: 0 0 12px;
    font-size: 16px;
    font-weight: 700;
}
.loo-cdkey-tier-card.featured h4 { color: #5a3d00; }
.loo-cdkey-tier-card.diamond h4 { color: #013b50; }
.loo-cdkey-tier-card .loo-tier-icon {
    display: inline-flex;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,.7);
    border-radius: 50%;
    margin-bottom: 8px;
}
.loo-cdkey-tier-card.diamond .loo-tier-icon { background: rgba(255,255,255,.6); }
.loo-cdkey-tier-card .loo-tier-icon svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}
.loo-cdkey-tier-card.featured .loo-tier-icon { color: #d97706; }
.loo-cdkey-tier-card.diamond .loo-tier-icon { color: #0284c7; }
.loo-cdkey-tier-card .loo-tier-feat {
    display: block;
    margin: 8px 0;
    font-size: 13px;
    color: var(--loo-text-muted);
}
.loo-cdkey-tier-card .loo-tier-feat .loo-check {
    color: #16a34a;
    margin-right: 4px;
    font-weight: 700;
}
.loo-cdkey-tier-card .loo-tier-feat .loo-cross {
    color: var(--loo-text-soft);
    margin-right: 4px;
}

/* ---------- 提示 Alert ---------- */
.loo-cdkey-alert {
    position: relative;
    padding: 14px 20px 14px 50px;
    border-radius: var(--loo-radius);
    margin-bottom: 16px;
    font-size: 14px;
    font-weight: 500;
    animation: loo-slide-down .4s var(--loo-ease-out);
}
@keyframes loo-slide-down {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
.loo-cdkey-alert::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
}
.loo-cdkey-alert-success {
    background: linear-gradient(135deg, rgba(16,185,129,.1), rgba(5,150,105,.05));
    color: #047857;
    border: 1px solid rgba(16,185,129,.3);
}
.loo-cdkey-alert-success::before {
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23047857'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/contain no-repeat;
}
.loo-cdkey-alert-error {
    background: linear-gradient(135deg, rgba(239,68,68,.1), rgba(220,38,38,.05));
    color: #b91c1c;
    border: 1px solid rgba(239,68,68,.3);
}
.loo-cdkey-alert-error::before {
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23b91c1c'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 18L18 6M6 6l12 12'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ---------- 未登录引导 ---------- */
.loo-cdkey-login-cta {
    text-align: center;
    padding: 12px 0;
}
.loo-cdkey-login-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, #FF7D00, #FF0080);
    color: #fff;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 600;
    transition: transform .25s, box-shadow .25s;
    box-shadow: 0 4px 14px rgba(255,125,0,.4);
}
.loo-cdkey-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255,125,0,.55);
}

/* ---------- 头像 ---------- */
.loo-cdkey-user-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.loo-cdkey-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--loo-accent), #FF0080);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 2px 8px rgba(255,125,0,.3);
}

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
    .loo-cdkey-hero {
        padding: 36px 20px;
    }
    .loo-cdkey-hero h1 {
        font-size: 24px;
    }
    .loo-cdkey-card {
        padding: 24px 20px;
    }
    .loo-cdkey-tier-grid {
        grid-template-columns: 1fr;
    }
    .loo-cdkey-tier-card.featured {
        transform: none;
    }
}

/* ---------- 暗色模式增强 ---------- */
:root[data-theme="dark"] .loo-cdkey-input {
    background: rgba(15,23,42,.6);
    color: #e2e8f0;
}
:root[data-theme="dark"] .loo-cdkey-card {
    background: linear-gradient(180deg, rgba(26,29,39,.8), rgba(26,29,39,.6));
    backdrop-filter: blur(20px);
}
:root[data-theme="dark"] .loo-cdkey-tier-card {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.06);
}
:root[data-theme="dark"] .loo-cdkey-hero h1 {
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 50%, #a78bfa 100%);
    -webkit-background-clip: text;
    background-clip: text;
}
:root[data-theme="dark"] .loo-cdkey-tier-card.featured {
    background: var(--loo-gold-soft);
    border-color: rgba(255,200,0,.4);
}
:root[data-theme="dark"] .loo-cdkey-tier-card.diamond {
    background: var(--loo-diamond-soft);
    border-color: rgba(100,200,255,.4);
}