/**
 * ICHN Cookie v1.3.2
 * CSS Variable Driven Sizing, Fluid Auto-Wrap, and Zero-Pollution Architecture
 */

:root {
    --ichn-primary: #2E6AC8;
    --ichn-bg: #FFFFFF;
    --ichn-text: #1E293B;
    --ichn-sec-bg: #FFFFFF;
    --ichn-sec-text: #334155;
    --ichn-radius: 8px;
    --ichn-title-size: 15px;
    --ichn-body-size: 12px;
    --ichn-btn-size: 12px;
    --ichn-btn-pad-y: 8px;
    --ichn-btn-pad-x: 14px;
}

/* 全局背景遮罩 */
.ichn-consent-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.45);
    z-index: 9999998;
    backdrop-filter: blur(2px);
}

/* 核心卡片容器 */
.ichn-consent-card {
    position: fixed;
    background-color: var(--ichn-bg);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.14), 0 8px 10px -6px rgba(0, 0, 0, 0.08);
    border: 1px solid #E2E8F0;
    border-radius: var(--ichn-radius);
    z-index: 9999999;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--ichn-text);
    overflow: hidden;
    line-height: 1.45;
    box-sizing: border-box;
}

.ichn-consent-card *,
.ichn-consent-card *::before,
.ichn-consent-card *::after {
    box-sizing: border-box;
    font-family: inherit;
}

/* 宽度体系 */
.ichn-size-compact {
    max-width: 380px;
    width: calc(100% - 24px);
}
.ichn-size-compact .ichn-card-inner {
    padding: 18px 20px;
}
.ichn-size-compact .ichn-card-title {
    font-size: var(--ichn-title-size);
    margin: 0 0 8px 0;
}
.ichn-size-compact .ichn-card-desc {
    font-size: var(--ichn-body-size);
    margin: 0 0 16px 0;
}

.ichn-size-standard {
    max-width: 450px;
    width: calc(100% - 32px);
}
.ichn-size-standard .ichn-card-inner {
    padding: 22px 24px;
}
.ichn-size-standard .ichn-card-title {
    font-size: calc(var(--ichn-title-size) + 1px);
    margin: 0 0 10px 0;
}
.ichn-size-standard .ichn-card-desc {
    font-size: calc(var(--ichn-body-size) + 1px);
    margin: 0 0 18px 0;
}

/* 屏幕位置锚点 */
.ichn-pos-bottom-right {
    bottom: 24px;
    right: 24px;
}
.ichn-pos-bottom-left {
    bottom: 24px;
    left: 24px;
}
.ichn-pos-bottom-center {
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
}

.ichn-card-title {
    font-weight: 700;
    color: var(--ichn-text);
    line-height: 1.3;
}

.ichn-card-desc {
    color: #64748B;
    line-height: 1.5;
}

/* 按钮自适应布局排版 */
.ichn-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: stretch;
}

.ichn-btn {
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    margin: 0;
    flex: 1 1 calc(50% - 4px);
    min-width: 130px;
    min-height: 0;
    padding: var(--ichn-btn-pad-y) var(--ichn-btn-pad-x);
    font-size: var(--ichn-btn-size);
    font-weight: 600;
    border-radius: calc(var(--ichn-radius) - 2px);
    cursor: pointer;
    text-align: center;
    border: 1px solid transparent;
    transition: background-color 0.15s ease, border-color 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-transform: none;
    letter-spacing: normal;
    line-height: 1.25;
    white-space: normal;
    word-break: keep-all;
    box-shadow: none;
    text-decoration: none;
}

.ichn-btn-secondary {
    background-color: var(--ichn-sec-bg);
    border-color: #CBD5E1;
    color: var(--ichn-sec-text);
}
.ichn-btn-secondary:hover {
    background-color: #F8FAFC;
    border-color: #94A3B8;
}

.ichn-btn-primary {
    background-color: var(--ichn-primary);
    border-color: var(--ichn-primary);
    color: #FFFFFF;
}
.ichn-btn-primary:hover {
    filter: brightness(0.92);
}

.ichn-btn-tertiary {
    flex: 1 1 100%;
    background-color: #F1F5F9;
    border-color: #E2E8F0;
    color: #475569;
    padding: calc(var(--ichn-btn-pad-y) - 1px) var(--ichn-btn-pad-x);
    margin-top: 2px;
}
.ichn-btn-tertiary:hover {
    color: var(--ichn-text);
    background-color: #E2E8F0;
}

.ichn-drawer {
    background: #F8FAFC;
    border-top: 1px solid #E2E8F0;
    padding: 14px 20px 18px;
}

.ichn-category-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 10px 0;
    border-bottom: 1px solid #E2E8F0;
}
.ichn-category-row:last-child {
    border-bottom: none;
}

.ichn-cat-info strong {
    display: block;
    font-size: calc(var(--ichn-body-size) + 1px);
    color: var(--ichn-text);
}
.ichn-cat-info p {
    font-size: calc(var(--ichn-body-size) - 1px);
    color: #64748B;
    margin: 3px 0 0 0;
    padding-right: 12px;
    line-height: 1.4;
}

.ichn-category-row input[type="checkbox"] {
    margin-top: 2px;
    cursor: pointer;
    width: 16px;
    height: 16px;
    accent-color: var(--ichn-primary);
}

.ichn-drawer-actions {
    margin-top: 16px;
}

.ichn-floating-badge {
    position: fixed;
    bottom: 18px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background-color: var(--ichn-bg);
    border: 1px solid #CBD5E1;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    color: var(--ichn-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999998;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    padding: 0;
}
.ichn-floating-badge:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.15);
}
.ichn-badge-bottom-left {
    left: 18px;
}
.ichn-badge-bottom-right {
    right: 18px;
}

.ichn-media-placeholder {
    width: 100%;
    min-height: 200px;
    background: #F1F5F9;
    border: 1px dashed #CBD5E1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #475569;
    font-size: var(--ichn-body-size);
    cursor: pointer;
    padding: 16px;
    text-align: center;
    border-radius: var(--ichn-radius);
    box-sizing: border-box;
}
.ichn-media-placeholder:hover {
    background-color: #E2E8F0;
    color: #0F172A;
}

@media (max-width: 767px) {
    .ichn-consent-card {
        bottom: 12px !important;
        right: 12px !important;
        left: 12px !important;
        transform: none !important;
        width: auto !important;
        max-width: none !important;
    }
    .ichn-card-inner {
        padding: 16px;
    }
    .ichn-card-actions {
        flex-direction: column;
    }
    .ichn-btn {
        flex: 1 1 100%;
        width: 100%;
        padding: calc(var(--ichn-btn-pad-y) + 2px) var(--ichn-btn-pad-x);
    }
    .ichn-btn-secondary {
        order: 2;
    }
    .ichn-btn-primary {
        order: 1;
    }
    .ichn-btn-tertiary {
        order: 3;
    }
}

/* [FIX P1-3] Backdrop 可点击关闭 */
#ichn-cookie-backdrop { cursor: pointer; }

/* [FIX P1-5] 键盘焦点可见 */
.ichn-btn:focus-visible,
.ichn-floating-badge:focus-visible,
.ichn-media-placeholder:focus-visible {
    outline: 2px solid var(--ichn-primary);
    outline-offset: 2px;
}

/* [FIX P1-11] 降低动画偏好支持 */
@media (prefers-reduced-motion: reduce) {
    .ichn-btn, .ichn-floating-badge { transition: none !important; }
}