/* NavXD · ad-system.css · 广告位系统样式
   L1-L5 广告位 + 广告申请表单
   Tokens from home.css design system
   ========================================================= */

/* ── L4 路径植入 (Step Placement) ── */
.navxd-ad-step-placement {
    padding: 16px 20px;
    border-radius: 12px;
    margin: 12px 0;
    border: 1.5px solid var(--ember, #d97706);
    background: linear-gradient(135deg, rgba(217,119,6,.06) 0%, rgba(217,119,6,.02) 100%);
}

.navxd-ad--l4 {
    border-color: var(--rose, #ef4444);
    background: linear-gradient(135deg, rgba(239,68,68,.06) 0%, rgba(239,68,68,.02) 100%);
}

[data-theme="light"] .navxd-ad--l4 {
    background: linear-gradient(135deg, rgba(220,38,38,.04) 0%, rgba(220,38,38,.01) 100%);
}

.navxd-ad__header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.navxd-ad__badge {
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--ember, #d97706);
    color: #fff;
}

.navxd-ad--l4 .navxd-ad__badge {
    background: var(--rose, #ef4444);
}

.navxd-ad__label {
    font-family: var(--mono, 'SF Mono', monospace);
    font-size: 11px;
    color: var(--text-3, #888);
    text-transform: uppercase;
    letter-spacing: .5px;
}

.navxd-ad__body {
    margin-bottom: 12px;
}

.navxd-ad__desc {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-2, #555);
    margin: 0 0 8px;
}

.navxd-ad__reason {
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-3, #888);
    margin: 0;
    font-style: italic;
}

.navxd-ad__action {
    display: flex;
    align-items: center;
    gap: 4px;
}

.navxd-ad__cta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ember, #d97706);
    text-decoration: none;
    transition: opacity .2s;
}

.navxd-ad--l4 .navxd-ad__cta {
    color: var(--rose, #ef4444);
}

.navxd-ad__cta:hover {
    opacity: .75;
}

.navxd-ad__tool-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text, #111);
}

/* ── Sponsored 标签 ── */
.navxd-ad-sponsored {
    font-size: 10px;
    color: var(--text-4, #aaa);
    opacity: .7;
}

/* ── 广告申请表单 ── */
.navxd-ad-form {
    max-width: 640px;
    margin: 0 auto;
    padding: 24px;
    background: var(--surface, #fff);
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,.08);
}

.navxd-ad-form h2 {
    margin: 0 0 8px;
    font-size: 22px;
}

.navxd-ad-form__desc {
    color: var(--text-3, #888);
    font-size: 14px;
    margin-bottom: 24px;
}

.navxd-ad-form__row {
    margin-bottom: 16px;
}

.navxd-ad-form__label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 14px;
}

.navxd-ad-form__label span {
    color: #ef4444;
}

.navxd-ad-form__input,
.navxd-ad-form__select,
.navxd-ad-form__textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--rule, #e0e0e0);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bg-1, #fafafa);
    color: var(--text, #111);
    transition: border-color .2s;
}

.navxd-ad-form__input:focus,
.navxd-ad-form__select:focus,
.navxd-ad-form__textarea:focus {
    outline: none;
    border-color: var(--indigo, #5b6cff);
}

.navxd-ad-form__textarea {
    min-height: 100px;
    resize: vertical;
}

.navxd-ad-form__hint {
    font-size: 12px;
    color: var(--text-4, #aaa);
    margin-top: 4px;
}

.navxd-ad-form__submit {
    width: 100%;
    padding: 14px;
    background: var(--indigo, #5b6cff);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity .2s;
}

.navxd-ad-form__submit:hover {
    opacity: .9;
}

.navxd-ad-form__error {
    background: #fef2f2;
    color: #ef4444;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 16px;
}

.navxd-ad-form__success {
    background: #f0fdf4;
    color: #22c55e;
    padding: 24px;
    border-radius: 8px;
    text-align: center;
}

.navxd-ad-form__success h3 {
    margin: 0 0 8px;
    font-size: 20px;
}

.navxd-ad-form__levels {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
}

.navxd-ad-form__level {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border: 1.5px solid var(--rule, #e0e0e0);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color .2s, background .2s;
}

.navxd-ad-form__level:hover {
    border-color: var(--indigo, #5b6cff);
}

.navxd-ad-form__level input {
    display: none;
}

.navxd-ad-form__level input:checked + .navxd-ad-form__level-inner {
    font-weight: 600;
}

.navxd-ad-form__level:has(input:checked) {
    border-color: var(--indigo, #5b6cff);
    background: rgba(91,108,255,.05);
}

.navxd-ad-form__level-name {
    font-weight: 600;
}

.navxd-ad-form__level-price {
    font-size: 12px;
    color: var(--text-3, #888);
}

/* ── 响应式 ── */
@media (max-width: 768px) {
    .navxd-ad-form {
        padding: 18px;
    }

    .navxd-ad-form__levels {
        grid-template-columns: 1fr;
    }
}