/* ========================================
   WolfShort.ai - 新增组件样式
   作品库 / 登录 / 注册 / 付费墙 / 弹窗
   ======================================== */

/* 导航用户区 */
.nav-menu .nav-auth {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
}
.nav-btn-auth {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: var(--transition-base);
}
.nav-btn-auth:hover {
    color: var(--color-text-primary);
    border-color: var(--color-border-hover);
}
.nav-btn-auth.primary {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: #001511;
    font-weight: 600;
}
.nav-btn-auth.primary:hover {
    background: #00e8bb;
    border-color: #00e8bb;
}
.nav-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.nav-user-name {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.nav-user-name i { color: var(--color-accent-primary); }
.nav-logout {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    padding: 0.3rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}
.nav-logout:hover {
    color: var(--color-text-primary);
    border-color: var(--color-border-hover);
}

/* 子页面基础 */
.page-sub { padding-top: 72px; }
.sub-page { min-height: calc(100vh - 200px); }
.sub-hero {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    text-align: center;
    background: radial-gradient(circle at 50% 0%, rgba(0, 212, 170, 0.08), transparent 60%);
}
.sub-hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin: var(--spacing-sm) 0;
    line-height: 1.2;
}
.sub-hero-desc {
    color: var(--color-text-secondary);
    max-width: 680px;
    margin: 0 auto;
    font-size: var(--font-size-lg);
    line-height: 1.8;
}

/* 作品筛选 */
.works-section { padding: var(--spacing-xl) 0 var(--spacing-3xl); }
.works-filter {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}
.works-filter-btn {
    padding: 0.55rem 1.5rem;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-secondary);
    border-radius: var(--radius-full);
    font-family: inherit;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: var(--transition-base);
}
.works-filter-btn:hover {
    color: var(--color-text-primary);
    border-color: var(--color-border-hover);
}
.works-filter-btn.active {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: #001511;
    font-weight: 600;
}

/* 作品网格 */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}
.works-empty {
    grid-column: 1/-1;
    text-align: center;
    padding: var(--spacing-2xl) 0;
    color: var(--color-text-muted);
}
.work-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-base);
    color: inherit;
}
.work-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
    box-shadow: var(--shadow-lg);
}
.work-cover {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}
.work-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.work-card:hover .work-cover img { transform: scale(1.05); }
.work-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.7rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    backdrop-filter: blur(8px);
}
.work-badge.free {
    background: rgba(0, 212, 170, 0.2);
    color: var(--color-accent-primary);
    border: 1px solid rgba(0, 212, 170, 0.35);
}
.work-badge.premium {
    background: rgba(255, 215, 0, 0.18);
    color: #FFD700;
    border: 1px solid rgba(255, 215, 0, 0.4);
}

.work-meta {
    display: flex;
    justify-content: space-between;
    padding: 1rem 1.25rem 0.5rem;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}
.work-category {
    color: var(--color-accent-primary);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.work-duration i { margin-right: 0.25rem; }
.work-title {
    padding: 0 1.25rem;
    font-size: var(--font-size-xl);
    font-weight: 600;
    line-height: 1.4;
    margin: 0.25rem 0 0.5rem;
}
.work-summary {
    padding: 0 1.25rem;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.65;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.work-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 1rem 1.25rem 1.25rem;
}
.work-tag {
    font-size: var(--font-size-xs);
    padding: 0.2rem 0.6rem;
    background: rgba(67, 97, 238, 0.12);
    border: 1px solid rgba(67, 97, 238, 0.25);
    color: #7c92ff;
    border-radius: var(--radius-sm);
}

/* 作品详情 */
.detail-wrap { padding: var(--spacing-lg) 0 var(--spacing-3xl); }
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
    transition: var(--transition-base);
}
.back-link:hover { color: var(--color-accent-primary); }

.detail-header {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}
.detail-cover {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    aspect-ratio: 4 / 3;
}
.detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.detail-info { padding-top: 0.5rem; }
.detail-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin: 1rem 0 0.75rem;
}
.detail-duration {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: 1rem;
}
.detail-duration i { color: var(--color-accent-primary); margin-right: 0.35rem; }
.detail-summary {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-top: 1.25rem;
    font-size: var(--font-size-base);
}
.detail-body {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}
.detail-section-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}
.detail-p {
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: 1.2rem;
    font-size: var(--font-size-base);
}
.detail-error {
    text-align: center;
    padding: var(--spacing-3xl) 0;
    color: var(--color-text-secondary);
}

/* 登录提示内联卡片 */
.locked-inline {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
}
.locked-inline > i {
    font-size: 3rem;
    color: var(--color-accent-primary);
    margin-bottom: 1rem;
    opacity: 0.85;
    display: block;
}
.locked-inline h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: 0.75rem;
}
.locked-inline p {
    color: var(--color-text-secondary);
    max-width: 520px;
    margin: 0 auto 1.5rem;
    line-height: 1.8;
}
.locked-actions {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* 付费墙 */
.paywall {
    position: relative;
    margin-top: 1.5rem;
    padding-top: 2rem;
}
.paywall-fade {
    position: absolute;
    top: -120px;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to bottom, transparent, var(--color-bg-card));
    pointer-events: none;
}
.paywall-panel {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.06), rgba(67, 97, 238, 0.06));
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--radius-lg);
}
.paywall-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 215, 0, 0.18);
    color: #FFD700;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}
.paywall-panel h3 { font-size: var(--font-size-xl); margin-bottom: 0.5rem; }
.paywall-panel p {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}
.paywall-note {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    margin-top: 0.75rem;
}
.owned-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.9rem;
    background: rgba(0, 212, 170, 0.12);
    color: var(--color-accent-primary);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    margin-bottom: 1.25rem;
}

/* 登录/注册 */
.page-auth .auth-main {
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: radial-gradient(circle at 50% 20%, rgba(0, 212, 170, 0.1), transparent 50%);
}
.auth-card {
    width: 100%;
    max-width: 440px;
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}
.auth-head { text-align: center; margin-bottom: var(--spacing-lg); }
.auth-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.auth-desc { color: var(--color-text-secondary); font-size: var(--font-size-sm); }
.auth-form { display: flex; flex-direction: column; gap: 1rem; }
.form-field label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: 0.4rem;
}
.input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.input-wrap i {
    position: absolute;
    left: 14px;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}
.input-wrap input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.6rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition-base);
}
.input-wrap input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    background: rgba(0, 212, 170, 0.06);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.15);
}
.btn-block { width: 100%; justify-content: center; }
.form-msg { font-size: var(--font-size-sm); min-height: 1.25rem; }
.form-msg.error { color: #ff6b8a; }
.form-msg.success { color: var(--color-accent-primary); }
.auth-footer {
    text-align: center;
    margin-top: var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}
.auth-footer a { color: var(--color-accent-primary); font-weight: 600; }
.auth-footer a:hover { text-decoration: underline; }

/* 弹窗 */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}
.modal[hidden] { display: none; }
.modal-mask {
    position: absolute;
    inset: 0;
    background: rgba(10, 14, 23, 0.78);
    backdrop-filter: blur(6px);
}
.modal-dialog {
    position: relative;
    width: 100%;
    max-width: 420px;
    padding: var(--spacing-xl);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    animation: modalIn 0.25s ease;
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}
.modal-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(0, 212, 170, 0.15);
    color: var(--color-accent-primary);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}
.modal-icon.premium {
    background: rgba(255, 215, 0, 0.15);
    color: #FFD700;
}
.modal-title { font-size: var(--font-size-xl); margin-bottom: 0.75rem; font-weight: 600; }
.modal-desc {
    color: var(--color-text-secondary);
    line-height: 1.75;
    margin-bottom: 1.5rem;
    font-size: var(--font-size-sm);
}
.modal-desc .price {
    color: #FFD700;
    font-size: 1.2em;
    font-weight: 700;
}
.modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}
.modal-actions .btn { min-width: 130px; }
.modal-footnote {
    margin-top: 1rem;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* 响应式 */
@media (max-width: 768px) {
    .detail-header { grid-template-columns: 1fr; gap: var(--spacing-md); }
    .detail-title { font-size: var(--font-size-3xl); }
    .sub-hero-title { font-size: var(--font-size-3xl); }
    .nav-menu .nav-auth { margin-left: 0; }
    .auth-card { padding: var(--spacing-lg); }
    .modal-actions .btn { min-width: 110px; flex: 1; }
}