/* ========================================
   模态框系统 - Modal System
   ======================================== */

.modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal-backdrop);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    animation: modalBackdropFadeIn 0.3s ease-out;
}

.modal-content {
    background-image: url('../23/2.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin: 5vh auto;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    width: 85vw;
    height: 75vh;
    position: relative;
    overflow-y: auto;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-2xl);
    backdrop-filter: blur(var(--glass-blur-light));
    -webkit-backdrop-filter: blur(var(--glass-blur-light));
    animation: modalContentSlide 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s backwards;
}

.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: var(--radius-xl);
    z-index: -1;
}

.modal-content h3 {
    color: white;
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-black);
    border-bottom: 3px solid var(--color-primary-start);
    padding-bottom: var(--space-sm);
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.modal-content p {
    color: white;
    line-height: 2;
    font-size: var(--font-size-xl);
    text-align: justify;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.close {
    position: absolute;
    right: var(--space-md);
    top: var(--space-md);
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
    z-index: 10;
    transition: all var(--transition-base);
    line-height: 1;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close:hover {
    color: #ff6b6b;
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.1) rotate(90deg);
}

/* 认证模态框特殊样式 */
.auth-modal-body {
    max-width: 520px;
    background: transparent;
    /* 去除白底 */
    padding: var(--space-xl);
}

.auth-modal-body::before {
    background: transparent;
    /* 去除伪元素背景 */
}

.auth-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    background: rgba(0, 0, 0, 0.2);
    /* 深色背景容器 */
    padding: 4px;
    border-radius: var(--radius-md);
}

.auth-tab {
    flex: 1;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.7);
    /* 浅色文字 */
}

.auth-tab.active {
    background: rgba(255, 255, 255, 0.15);
    /* 激活态半透明 */
    color: white;
    box-shadow: var(--shadow-sm);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.auth-form input {
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-family: var(--font-family-base);
    transition: all var(--transition-fast);
    background: rgba(255, 255, 255, 0.1);
    /* 输入框半透明 */
    color: white;
}

.auth-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--color-primary-light);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--color-primary-start);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.auth-actions {
    display: flex;
    gap: var(--space-sm);
}

.auth-hint {
    font-size: var(--font-size-xs);
    opacity: 0.75;
    line-height: 1.6;
    color: var(--text-gray);
}

.qr-box {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.qr-img {
    width: 180px;
    height: 180px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #f5f5f5;
}

.qr-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 游戏设置模态框 */
.setup-step {
    animation: fadeIn 0.3s ease-out;
}

/* 游戏设置向导通用样式 */
.setup-step h2 {
    color: white;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-black);
    margin-bottom: var(--space-md);
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.setup-step .input-group {
    margin-bottom: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.setup-step label strong {
    color: var(--text-white);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 覆盖旧卡片样式 - 玻璃态升级 */
.mode-cards {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.mode-choice-card {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    /* 极淡的透明背景 */
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.mode-choice-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 0;
}

.mode-choice-card>* {
    position: relative;
    z-index: 1;
}

.mode-choice-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.mode-choice-card:hover::before {
    opacity: 1;
}

.mode-choice-card.selected {
    background: rgba(102, 126, 234, 0.15);
    border-color: var(--color-primary-start);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.mode-choice-card h4 {
    color: white;
    font-size: var(--font-size-lg);
    margin: 0 0 var(--space-xs) 0;
    font-weight: 700;
}

.mode-desc {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-xs);
}

.mode-time {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: #4ade80;
    /* 绿色高亮 */
    margin-bottom: var(--space-xs);
    text-shadow: 0 0 8px rgba(74, 222, 128, 0.3);
}

.mode-detail {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.4);
}

/* 自由模式配置面板 - 玻璃态 */
#free-mode-config {
    margin-top: var(--space-md);
    background: rgba(0, 0, 0, 0.3);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeIn 0.3s ease-out;
}

.config-row {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    margin-bottom: var(--space-sm);
}

.config-row label {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* 强制覆盖 input 样式以适配深色背景 */
#free-mode-config input,
.input-group input {
    background: rgba(255, 255, 255, 0.1) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    color: white !important;
    border-radius: var(--radius-sm);
    padding: var(--space-xs) var(--space-sm);
    text-align: center;
}

/* 仅限制自由模式下数字输入框的宽度 */
#free-mode-config input,
.input-group input[type="number"] {
    max-width: 100px;
}

/* 确保普通文本输入框填满容器 */
.setup-step .input-group input:not([type="number"]) {
    width: 100%;
    text-align: left;
}

#free-mode-config input:focus,
.input-group input:focus {
    background: rgba(255, 255, 255, 0.2) !important;
    border-color: var(--color-primary-start) !important;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.3) !important;
}

/* 备注提示框 */
.setup-tip {
    margin-top: var(--space-md);
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 215, 0, 0.1);
    /* 金色透明背景 */
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    border-left: 3px solid #ffc107;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ========================================
   录音器小组件
   ======================================== */

.recorder-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 15px;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
    cursor: move;
    user-select: none;
    transition: all var(--transition-base);
    z-index: var(--z-recorder);
}

.recorder-widget:hover {
    background: rgba(255, 255, 255, 1);
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.recorder-widget.dragging {
    cursor: grabbing;
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: none;
}

.record-icon {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--color-success);
    color: white;
    font-size: 20px;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.record-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.4);
}

#mini-waveform {
    background: rgba(0, 0, 0, 0.8);
    border-radius: 15px;
}

/* ========================================
   响应式适配
   ======================================== */

@media (max-width: 768px) {
    .modal-content {
        width: 95vw;
        height: 80vh;
        padding: var(--space-lg);
        margin: 10vh auto;
    }

    .modal-content h3 {
        font-size: var(--font-size-2xl);
    }

    .modal-content p {
        font-size: var(--font-size-lg);
    }

    .close {
        font-size: 2rem;
        width: 40px;
        height: 40px;
    }
}