/* ==========================================
   移动端日期时间滚轮选择器
   iOS 风格设计
   ========================================== */

/* 遮罩层 */
.mobile-picker-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

/* 弹窗主体 */
.mobile-picker-modal {
    background: #1a1a2e;
    width: 100%;
    max-width: 100vw;
    border-radius: 20px 20px 0 0;
    overflow: hidden;
    animation: slideUp 0.3s ease;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

/* 桌面端居中显示 */
@media (min-width: 768px) {
    .mobile-picker-overlay {
        align-items: center;
        padding: 20px;
    }

    .mobile-picker-modal {
        max-width: 650px;
        width: 90%;
        border-radius: 20px;
        animation: scaleUp 0.3s ease;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    }

    @keyframes scaleUp {
        from {
            opacity: 0;
            transform: scale(0.9);
        }
        to {
            opacity: 1;
            transform: scale(1);
        }
    }

    /* 桌面端优化 */
    .mobile-picker-header {
        padding: 20px 24px;
    }

    .picker-tab {
        padding: 10px 24px;
        font-size: 1rem;
    }

    .picker-close {
        width: 40px;
        height: 40px;
        font-size: 1.3rem;
    }

    .picker-close:hover {
        background: rgba(255, 255, 255, 0.15);
        transform: scale(1.1);
    }

    .mobile-picker-input-section {
        padding: 20px 24px;
    }

    .mobile-quick-input {
        font-size: 1.05rem;
        padding: 14px 18px;
    }

    .quick-confirm-btn {
        padding: 12px 24px;
        font-size: 1rem;
    }

    .quick-confirm-btn:hover {
        background: linear-gradient(135deg, #8B47F3, #B095FA);
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
    }

    .mobile-picker-body {
        padding: 24px 0;
    }

    .picker-wheels {
        height: 280px;
        padding: 0 24px;
    }

    .picker-highlight {
        left: 24px;
        right: 24px;
    }

    .picker-column {
        user-select: none;
        -webkit-user-select: none;
    }

    .picker-item {
        font-size: 1.2rem;
    }

    .picker-item.selected {
        font-size: 1.4rem;
    }

    .mobile-picker-footer {
        padding: 24px;
    }

    .mobile-confirm-btn {
        padding: 18px;
        font-size: 1.15rem;
        cursor: pointer;
    }

    .mobile-confirm-btn:hover {
        background: #1a1a1a;
        transform: translateY(-2px);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

/* ==========================================
   头部区域
   ========================================== */
.mobile-picker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.picker-tabs {
    display: flex;
    gap: 8px;
}

.picker-tab {
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: #94a3b8;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.picker-tab.active {
    background: linear-gradient(135deg, #7C3AED, #A78BFA);
    border-color: transparent;
    color: white;
    font-weight: 600;
}

.picker-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-radius: 50%;
    color: #94a3b8;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s;
}

.picker-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

/* ==========================================
   智能输入区
   ========================================== */
.mobile-picker-input-section {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(124, 58, 237, 0.08);
    border-bottom: 1px solid rgba(124, 58, 237, 0.2);
}

.input-icon {
    font-size: 1.5rem;
}

.mobile-quick-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 12px 16px;
    color: white;
    font-size: 1rem;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    letter-spacing: 2px;
}

.mobile-quick-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
    letter-spacing: 0;
}

.mobile-quick-input:focus {
    outline: none;
    border-color: #7C3AED;
    background: rgba(124, 58, 237, 0.15);
}

.quick-confirm-btn {
    padding: 10px 20px;
    background: linear-gradient(135deg, #7C3AED, #A78BFA);
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.quick-confirm-btn:active {
    transform: scale(0.95);
}

/* ==========================================
   滚轮选择器区域
   ========================================== */
.mobile-picker-body {
    padding: 20px 0;
}

/* 列标题 */
.picker-labels {
    display: flex;
    justify-content: center;
    padding: 0 20px 12px;
    gap: 2px;
}

.picker-label {
    flex: 1;
    min-width: 45px;
    max-width: 80px;
    text-align: center;
    color: #94a3b8;
    font-size: 0.85rem;
    font-weight: 500;
}

.picker-label:first-child {
    max-width: 90px; /* 年份列宽一点 */
}

/* 滚轮容器 */
.picker-wheels {
    position: relative;
    display: flex;
    justify-content: center;
    gap: 2px;
    height: 240px; /* 5行 × 48px */
    overflow: hidden;
    padding: 0 20px;
}

/* 高亮指示器 */
.picker-highlight {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    height: 48px;
    background: rgba(124, 58, 237, 0.15);
    border: 2px solid rgba(124, 58, 237, 0.3);
    border-radius: 12px;
    pointer-events: none;
    z-index: 1;
}

/* 每一列 */
.picker-column {
    position: relative;
    flex: 1;
    min-width: 45px;
    max-width: 80px;
    height: 100%;
    overflow: hidden;
}

.picker-column:first-child {
    max-width: 90px; /* 年份列 */
}

/* 滚动容器 */
.picker-scroller {
    position: relative;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    padding: 96px 0; /* 上下各留2行空间 */
}

/* 滚动项 */
.picker-item {
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.4);
    transition: all 0.3s;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* 选中项 */
.picker-item.selected {
    color: white;
    font-size: 1.3rem;
    font-weight: 700;
    transform: scale(1.1);
}

/* 渐变遮罩效果 */
.picker-wheels::before,
.picker-wheels::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 96px;
    pointer-events: none;
    z-index: 2;
}

.picker-wheels::before {
    top: 0;
    background: linear-gradient(to bottom,
        #1a1a2e 0%,
        rgba(26, 26, 46, 0.8) 50%,
        transparent 100%
    );
}

.picker-wheels::after {
    bottom: 0;
    background: linear-gradient(to top,
        #1a1a2e 0%,
        rgba(26, 26, 46, 0.8) 50%,
        transparent 100%
    );
}

/* ==========================================
   底部按钮
   ========================================== */
.mobile-picker-footer {
    padding: 20px;
}

.mobile-confirm-btn {
    width: 100%;
    padding: 16px;
    background: #000;
    border: none;
    border-radius: 14px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.mobile-confirm-btn:active {
    transform: scale(0.98);
    background: #1a1a1a;
}

/* ==========================================
   Toast 提示
   ========================================== */
#custom-toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 0.9rem;
    z-index: 10001;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

/* ==========================================
   响应式
   ========================================== */

/* 小屏手机优化 */
@media (max-width: 375px) {
    .picker-label {
        min-width: 40px;
        max-width: 60px;
        font-size: 0.75rem;
    }

    .picker-column {
        min-width: 40px;
        max-width: 60px;
    }

    .picker-column:first-child {
        max-width: 70px;
    }

    .picker-item {
        font-size: 1rem;
    }

    .picker-item.selected {
        font-size: 1.2rem;
    }

    .mobile-quick-input {
        font-size: 0.9rem;
        padding: 10px 12px;
    }

    .quick-confirm-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}

/* 超小屏优化 */
@media (max-width: 320px) {
    .picker-label {
        min-width: 35px;
        max-width: 50px;
        font-size: 0.7rem;
    }

    .picker-column {
        min-width: 35px;
        max-width: 50px;
    }

    .picker-column:first-child {
        max-width: 60px;
    }

    .picker-tabs {
        gap: 4px;
    }

    .picker-tab {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}