/**
 * 通用组件样式 - Material Design 3
 * 减少重复代码,提高可维护性
 */

/* ===== 卡片组件 ===== */
.card-base {
    background: var(--md-surface-container-lowest);
    border-radius: var(--md-radius-lg);
    box-shadow: var(--md-elevation-1);
    transition: var(--md-transition);
    overflow: hidden;
}

.card-base:hover {
    box-shadow: var(--md-elevation-3);
    transform: translateY(-2px);
}

.card-interactive {
    cursor: pointer;
    position: relative;
}

.card-interactive::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--md-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.card-interactive:hover::before {
    opacity: 0.04;
}

.card-interactive:active::before {
    opacity: 0.08;
}

/* ===== 按钮组件 ===== */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition:
        width 0.6s,
        height 0.6s;
}

.btn-ripple:active::after {
    width: 300px;
    height: 300px;
}

/* ===== 输入框组件 ===== */
.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group .md-input {
    padding-top: 20px;
}

.input-group label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--md-on-surface-variant);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    font-size: 14px;
}

.input-group .md-input:focus + label,
.input-group .md-input:not(:placeholder-shown) + label {
    top: 8px;
    font-size: 12px;
    color: var(--md-primary);
}

.input-error {
    border-color: var(--md-error) !important;
    animation: shake 0.3s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

@keyframes shake {
    0%,
    100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-8px);
    }
    50% {
        transform: translateX(8px);
    }
    75% {
        transform: translateX(-4px);
    }
}

.input-error-message {
    color: var(--md-error);
    font-size: 12px;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== 骨架屏加载 ===== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--md-surface-container) 25%,
        var(--md-surface-container-high) 50%,
        var(--md-surface-container) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--md-radius-sm);
}

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

.skeleton-text {
    height: 16px;
    margin-bottom: 8px;
}

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

.skeleton-title {
    height: 24px;
    width: 80%;
    margin-bottom: 12px;
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.skeleton-card {
    height: 200px;
}

.skeleton-button {
    height: 40px;
    width: 120px;
    border-radius: var(--md-radius-full);
}

/* ===== 空状态组件 ===== */
.empty-state-enhanced {
    text-align: center;
    padding: 60px 20px;
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.empty-state-enhanced .empty-icon {
    font-size: 80px;
    margin-bottom: 20px;
    opacity: 0.6;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.empty-state-enhanced h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--md-on-surface);
    margin-bottom: 8px;
}

.empty-state-enhanced p {
    color: var(--md-on-surface-variant);
    margin-bottom: 24px;
    font-size: 14px;
}

/* ===== Toast提示增强 ===== */
.toast-success {
    background: linear-gradient(135deg, #4caf50, #66bb6a);
}

.toast-error {
    background: linear-gradient(135deg, #f44336, #e57373);
}

.toast-warning {
    background: linear-gradient(135deg, #ff9800, #ffb74d);
}

.toast-info {
    background: linear-gradient(135deg, #2196f3, #64b5f6);
}

/* ===== 加载指示器 ===== */
.loading-dots {
    display: flex;
    gap: 8px;
    justify-content: center;
    align-items: center;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--md-primary);
    animation: loading-bounce 1.4s infinite ease-in-out;
}

.loading-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes loading-bounce {
    0%,
    80%,
    100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ===== 进度条组件 ===== */
.progress-bar-wrapper {
    width: 100%;
    height: 6px;
    background: var(--md-surface-container-high);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--md-primary), #ff6b9d);
    border-radius: 3px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-bar-fill::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: progress-shimmer 2s infinite;
}

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

/* ===== 徽章组件 ===== */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    border-radius: var(--md-radius-sm);
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
}

.badge-primary {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
}

.badge-success {
    background: #c8e6c9;
    color: #1b5e20;
}

.badge-error {
    background: #ffcdd2;
    color: #c62828;
}

.badge-warning {
    background: #ffe0b2;
    color: #e65100;
}

/* ===== 分割线组件 ===== */
.divider {
    height: 1px;
    background: var(--md-outline-variant);
    margin: 16px 0;
}

.divider-vertical {
    width: 1px;
    height: 100%;
    background: var(--md-outline-variant);
    margin: 0 16px;
}

/* ===== Chip组件 ===== */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--md-surface-container-high);
    color: var(--md-on-surface-variant);
    border-radius: var(--md-radius-sm);
    font-size: 13px;
    transition: var(--md-transition);
    cursor: pointer;
}

.chip:hover {
    background: var(--md-surface-container-highest);
}

.chip-selected {
    background: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
}

/* ===== 模态框增强 ===== */
.modal-overlay {
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease-out;
}

.modal {
    animation: scaleIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* ===== 响应式工具类 ===== */
.hide-mobile {
    display: block;
}

.show-mobile {
    display: none;
}

@media (max-width: 768px) {
    .hide-mobile {
        display: none;
    }

    .show-mobile {
        display: block;
    }
}

/* ===== 触摸反馈增强 ===== */
@media (hover: none) {
    .card-interactive:active {
        transform: scale(0.98);
    }

    .btn:active {
        transform: scale(0.96);
    }
}