/* 邮件模拟 · 邮箱读取页选择弹窗 + 全站右上角进度浮层 */

.mail-demo {
    position: fixed;
    inset: 0;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.32s var(--ease), visibility 0.32s;
}

.mail-demo.is-open {
    pointer-events: auto;
    opacity: 1;
    visibility: visible;
}

.mail-demo__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 14, 24, 0.46);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    opacity: 0;
    transition: opacity 0.36s var(--ease);
}

.mail-demo.is-open .mail-demo__backdrop {
    opacity: 1;
}

.mail-demo__dialog {
    position: relative;
    width: min(600px, 100%);
    max-height: min(90vh, 820px);
    display: flex;
    flex-direction: column;
    border-radius: 24px;
    background: var(--surface);
    border: 1px solid color-mix(in srgb, var(--border) 55%, white 20%);
    box-shadow:
        0 32px 88px -28px rgba(8, 12, 24, 0.42),
        0 0 0 1px color-mix(in srgb, white 55%, transparent) inset;
    overflow: hidden;
    transform: translateY(20px) scale(0.97);
    opacity: 0;
    transition:
        transform 0.44s var(--ease-expo-out),
        opacity 0.34s var(--ease);
}

.mail-demo.is-open .mail-demo__dialog {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* ── Hero 区 ── */
.mail-demo__hero {
    position: relative;
    padding: 22px 22px 18px;
    border-bottom: 1px solid var(--border-light);
    background: var(--surface);
}

.mail-demo__hero-glow {
    display: none;
}

.mail-demo__head {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 18px;
}

.mail-demo__head-copy {
    min-width: 0;
}

.mail-demo__badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.mail-demo__badge-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--text-tertiary);
}

.mail-demo__head h2 {
    margin: 0;
    font-size: 1.42rem;
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.15;
    color: var(--text);
}

.mail-demo__head p {
    margin: 8px 0 0;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 30em;
}

.mail-demo__close {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 11px;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: color 0.2s, transform 0.22s var(--ease-spring);
}

.mail-demo__close:hover {
    color: var(--text);
    transform: scale(1.04);
}

/* ── 流程条 ── */
.mail-demo__flow {
    position: relative;
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.mail-demo__flow-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 2px;
    border: none;
    background: transparent;
    opacity: 0;
    transform: translateY(8px);
    animation: mail-demo-rise 0.48s var(--ease-expo-out) forwards;
}

.mail-demo.is-open .mail-demo__flow-item:nth-child(1) { animation-delay: 0.06s; }
.mail-demo.is-open .mail-demo__flow-item:nth-child(2) { animation-delay: 0.11s; }
.mail-demo.is-open .mail-demo__flow-item:nth-child(3) { animation-delay: 0.16s; }

.mail-demo__flow-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background: transparent;
}

.mail-demo__flow-text {
    font-size: 0.7rem;
    line-height: 1.35;
    color: var(--text-secondary);
}

.mail-demo__flow-text strong {
    display: block;
    font-size: 0.74rem;
    font-weight: 800;
    color: var(--text);
}

@keyframes mail-demo-rise {
    to { opacity: 1; transform: translateY(0); }
}

/* ── 主体 ── */
.mail-demo__body {
    position: relative;
    flex: 1;
    overflow-y: auto;
    padding: 18px 22px 8px;
}

.mail-demo__section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.mail-demo__section-head h3 {
    margin: 0;
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
}

.mail-demo__section-head span {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-tertiary);
}

.mail-demo__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

/* ── 公司卡片 ── */
.mail-demo__card {
    position: relative;
    display: flex;
    align-items: stretch;
    width: 100%;
    text-align: left;
    padding: 12px 12px 12px 11px;
    border-radius: 16px;
    border: 1.5px solid var(--border-light);
    background: var(--surface);
    cursor: pointer;
    overflow: hidden;
    transition:
        transform 0.26s var(--ease-spring),
        border-color 0.26s,
        box-shadow 0.26s,
        background 0.26s;
    opacity: 0;
    transform: translateY(10px);
    animation: mail-demo-rise 0.46s var(--ease-expo-out) forwards;
}

.mail-demo.is-open .mail-demo__card:nth-child(1) { animation-delay: 0.1s; }
.mail-demo.is-open .mail-demo__card:nth-child(2) { animation-delay: 0.14s; }
.mail-demo.is-open .mail-demo__card:nth-child(3) { animation-delay: 0.18s; }
.mail-demo.is-open .mail-demo__card:nth-child(4) { animation-delay: 0.22s; }

.mail-demo__card-glow {
    display: none;
}

.mail-demo__card:hover {
    transform: translateY(-1px);
    border-color: var(--border);
    box-shadow: none;
}

.mail-demo__card.is-selected {
    border-color: var(--text);
    background: var(--surface);
    box-shadow: none;
}

.mail-demo__card.mail-demo__card--settled {
    opacity: 1;
    transform: none;
    animation: none;
}

.mail-demo__card.mail-demo__card--settled:hover {
    transform: translateY(-2px);
}

.mail-demo__card-main {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    flex: 1;
    min-width: 0;
    padding-right: 6px;
}

.mail-demo__card-logo {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.74rem;
    font-weight: 900;
    color: var(--md-accent, #fff);
    background: var(--md-brand, var(--primary));
    box-shadow: 0 6px 14px -8px color-mix(in srgb, var(--md-brand, var(--primary)) 55%, transparent);
    letter-spacing: -0.02em;
}

.mail-demo__card-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding-top: 1px;
}

.mail-demo__card-name {
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 2px;
    color: var(--text);
}

.mail-demo__card-tag {
    font-size: 0.66rem;
    font-weight: 600;
    color: var(--text-tertiary);
    margin-bottom: 4px;
}

.mail-demo__card-pos {
    font-size: 0.7rem;
    color: var(--text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.mail-demo__card-check {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    background: var(--surface);
    border: 1.5px solid var(--text);
    opacity: 0;
    transform: scale(0.5);
    transition:
        opacity 0.22s,
        transform 0.28s var(--ease-spring);
}

.mail-demo__card.is-selected .mail-demo__card-check {
    opacity: 1;
    transform: scale(1);
}

/* ── 底部 ── */
.mail-demo__foot {
    position: relative;
    padding: 14px 22px 20px;
    border-top: 1px solid var(--border-light);
    background: var(--surface);
}

.mail-demo__foot-top {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
}

.mail-demo__meta {
    font-size: 0.76rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.mail-demo__meta strong {
    color: var(--text);
    font-weight: 700;
}

.mail-demo__warn {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 0;
    font-size: 0.72rem;
    line-height: 1.45;
    color: var(--text-secondary);
    background: transparent;
    border: none;
}

.mail-demo__warn svg {
    flex-shrink: 0;
    margin-top: 1px;
    opacity: 0.85;
}

.mail-demo__send {
    width: 100%;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1.5px solid var(--text);
    border-radius: 14px;
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--text);
    cursor: pointer;
    background: var(--surface);
    box-shadow: none;
    transition:
        transform 0.26s var(--ease-spring),
        opacity 0.26s,
        border-color 0.2s;
    position: relative;
    overflow: hidden;
}

.mail-demo__send-arrow {
    opacity: 0.9;
    transition: transform 0.26s var(--ease-spring);
}

.mail-demo__send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.mail-demo__send:not(:disabled):hover {
    transform: translateY(-1px);
    border-color: var(--text);
}

.mail-demo__send:not(:disabled):hover .mail-demo__send-arrow {
    transform: translateX(3px);
}

.mail-demo__send.is-loading::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        transparent 30%,
        rgba(255, 255, 255, 0.2) 50%,
        transparent 70%
    );
    animation: mail-demo-shimmer 1.2s linear infinite;
}

@keyframes mail-demo-shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@media (max-width: 640px) {
    .mail-demo {
        padding: 12px;
        align-items: flex-end;
    }

    .mail-demo__dialog {
        border-radius: 22px 22px 16px 16px;
        max-height: 94vh;
    }

    .mail-demo__hero {
        padding: 18px 16px 14px;
    }

    .mail-demo__body {
        padding: 14px 16px 6px;
    }

    .mail-demo__foot {
        padding: 12px 16px 16px;
    }

    .mail-demo__flow {
        grid-template-columns: 1fr;
    }

    .mail-demo__grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .mail-demo__flow-item,
    .mail-demo__card {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .mail-demo__dialog {
        transition: none;
        animation: none;
        filter: none;
        transform: none;
        opacity: 1;
    }
}