/* ========================================
   components.css - 跨页面共享组件样式
   Toast / Banner / Drawer / Skeleton
   ======================================== */

/* ========================================
   Toast 通知系统
   ======================================== */
.toast-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
    width: var(--toast-width);
    max-width: calc(100vw - 32px);
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    animation: toast-slide-in var(--transition-normal) ease forwards;
    font-size: var(--text-body-md);
    line-height: var(--leading-normal);
    border: 1px solid transparent;
}

.toast-leaving {
    animation: toast-slide-out var(--transition-fast) ease forwards;
}

.toast-icon {
    flex-shrink: 0;
    font-size: var(--text-label-md);
    line-height: var(--leading-normal);
}

.toast-message {
    flex: 1;
    word-break: break-word;
}

.toast-close {
    flex-shrink: 0;
    cursor: pointer;
    opacity: 0.6;
    font-size: var(--text-caption);
    background: none;
    border: none;
    padding: 0;
    color: inherit;
}
.toast-close:hover { opacity: 1; }

/* Toast 类型 */
.toast-success {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success);
}

.toast-warning {
    background: var(--warning-bg);
    border-color: var(--warning-border);
    color: var(--warning);
}

.toast-error {
    background: var(--error-bg);
    border-color: var(--error-border);
    color: var(--error);
}

.toast-info {
    background: var(--info-bg);
    border-color: var(--info-border);
    color: var(--info);
}

.toast-default {
    background: var(--canvas);
    border-color: var(--hairline);
    color: var(--ink);
    box-shadow: var(--shadow-lg);
}

/* Toast 动画 */
@keyframes toast-slide-in {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes toast-slide-out {
    from { transform: translateY(0); opacity: 1; }
    to { transform: translateY(-20px); opacity: 0; }
}

/* ========================================
   Degraded Warning Banner
   ======================================== */
.wb-degraded-banner {
    padding: var(--space-sm) var(--space-md);
    background: var(--warning-bg);
    border-top: 1px solid var(--warning-border);
    border-bottom: 1px solid var(--warning-border);
}

.degraded-banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    font-size: var(--text-caption);
    color: var(--warning);
}

.degraded-banner-content span {
    flex: 1;
}

/* ========================================
   Drawer (滑出抽屉)
   ======================================== */
.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: var(--z-drawer);
    animation: fade-in var(--transition-fast) ease;
}

.degraded-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--drawer-width);
    height: 100vh;
    background: var(--canvas);
    box-shadow: var(--shadow-xl);
    z-index: calc(var(--z-drawer) + 1);
    display: flex;
    flex-direction: column;
    animation: drawer-slide-in var(--transition-normal) ease forwards;
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--hairline);
}

.drawer-header h3 {
    font-size: var(--text-title-sm);
    font-weight: 600;
    color: var(--ink);
}

.drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
}

.drawer-section {
    margin-bottom: var(--space-lg);
}

.drawer-label {
    display: block;
    font-size: var(--text-caption);
    font-weight: 600;
    color: var(--muted);
    margin-bottom: var(--space-sm);
}

.drawer-holland-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
}

.holland-field {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.holland-field label {
    font-size: var(--text-caption);
    font-weight: 600;
    color: var(--muted);
}

.holland-field input {
    width: 100%;
    text-align: center;
    padding: var(--space-xs) var(--space-sm);
}

.drawer-mbti-row {
    display: flex;
    gap: var(--space-sm);
}

.drawer-mbti-row select {
    flex: 1;
    padding: var(--space-sm);
}

.drawer-skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.drawer-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-lg);
    border-top: 1px solid var(--hairline);
}

/* Drawer 动画 */
@keyframes drawer-slide-in {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========================================
   Skeleton Loading (骨架屏)
   ======================================== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--surface-soft) 25%,
        var(--surface-strong) 50%,
        var(--surface-soft) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

.skeleton-line {
    height: 14px;
    margin-bottom: var(--space-sm);
    width: 100%;
}

.skeleton-line:last-child {
    width: 60%;
}

.skeleton-block {
    height: 120px;
    width: 100%;
    margin-bottom: var(--space-md);
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
}

@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ========================================
   Card 卡片组件
   ======================================== */
.card {
    background: var(--canvas);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--border-strong);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.card-title {
    font-size: var(--text-label-md);
    font-weight: 600;
    color: var(--ink);
}

/* ========================================
   Loading / Empty State
   ======================================== */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xxl);
    color: var(--text-secondary);
    gap: var(--space-md);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--surface-strong);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xxl);
    color: var(--text-secondary);
    gap: var(--space-sm);
    text-align: center;
}

.empty-state-icon {
    font-size: 48px;
    opacity: 0.4;
    margin-bottom: var(--space-sm);
}

/* ========================================
   Responsive adjustments
   ======================================== */
@media (max-width: 1200px) {
    :root {
        --drawer-width: 360px;
        --toast-width: 300px;
    }
}

/* ========================================
   Modal dialog
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-dialog {
    background: var(--canvas);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    overflow: hidden;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--hairline);
}
.modal-header h3 { margin: 0; font-size: 16px; }
.modal-close {
    background: none; border: none; font-size: 22px;
    cursor: pointer; color: var(--text-secondary);
    padding: 0 4px; line-height: 1;
}
.modal-body { padding: 20px; }
.modal-footer {
    display: flex; justify-content: flex-end; gap: 8px;
    padding: 12px 20px; border-top: 1px solid var(--hairline);
}
.form-input:focus {
    outline: none;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 2px rgba(37,99,235,0.15);
}