/* 会议座位排列系统 - 主样式文件 */

/* CSS变量定义 */
:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #e2e8f0;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --border-color: #e2e8f0;
    --border-radius: 8px;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --transition: all 0.2s ease-in-out;
    --animation-duration: 0.3s;
}

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

/* 容器布局 */
.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 头部样式 */
.header {
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    color: white;
    padding: 1.5rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.header p {
    font-size: 1rem;
    opacity: 0.9;
}

/* 主内容区域 */
.main-content {
    flex: 1;
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* 控制面板 */
.control-panel {
    width: 320px;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    height: fit-content;
    overflow-y: auto;
    max-height: calc(100vh - 200px);
}

.panel-section {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.panel-section:last-child {
    border-bottom: none;
}

.panel-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 表单元素 */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    transition: var(--transition);
    background: var(--bg-primary);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* 范围滑块 */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* 复选框 */
.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.875rem;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #059669;
}

.btn-warning {
    background: var(--warning-color);
    color: white;
}

.btn-warning:hover {
    background: #d97706;
}

.btn-info {
    background: var(--info-color);
    color: white;
}

.btn-info:hover {
    background: #0891b2;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-outline:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-sm {
    padding: 0.5rem;
    font-size: 0.75rem;
}

/* 画布容器 */
.canvas-container {
    flex: 1;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    min-height: 600px;
}

.canvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.canvas-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.canvas-controls {
    display: flex;
    gap: 0.5rem;
}

.canvas {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.canvas-info {
    padding: 0.75rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* 状态栏 */
.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 2rem;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.status-stats {
    display: flex;
    gap: 1rem;
}

/* 人员列表 */
.person-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
}

.empty-state {
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
}

.person-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.person-item:last-child {
    border-bottom: none;
}

.person-item:hover {
    background: var(--bg-primary);
}

.person-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.person-role-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.person-actions {
    display: flex;
    gap: 0.25rem;
}

.btn-icon {
    padding: 0.25rem;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 4px;
    color: var(--text-muted);
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* 角色列表 */
.role-list {
    max-height: 150px;
    overflow-y: auto;
}

.role-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
}

.role-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.role-priority {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 会议桌样式 */
.meeting-table {
    position: absolute;
    background: #8b4513;
    border: 3px solid #654321;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.meeting-table.rectangle {
    border-radius: 12px;
}

/* 座位样式 */
.seat {
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
    box-shadow: var(--shadow);
}

.seat:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.seat.occupied {
    background: var(--primary-color);
    color: white;
    border-color: #1d4ed8;
}

.seat.empty {
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    color: var(--text-muted);
}

.seat.locked {
    background: var(--danger-color);
    color: white;
    border-color: #dc2626;
}

.seat.dragging {
    opacity: 0.5;
    transform: scale(0.9);
}

.seat.drag-over {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

/* 座位标签 */
.seat-label {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
    pointer-events: none;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn var(--animation-duration) ease-out;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    animation: slideIn var(--animation-duration) ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.close {
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
}

.close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

/* 消息提示 */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    transform: translateX(400px);
    transition: transform var(--animation-duration) ease-out;
}

.toast.show {
    transform: translateX(0);
}

.toast-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toast.success .toast-content {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.toast.error .toast-content {
    border-color: var(--danger-color);
    background: rgba(239, 68, 68, 0.1);
}

.toast.warning .toast-content {
    border-color: var(--warning-color);
    background: rgba(245, 158, 11, 0.1);
}

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

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .main-content {
        flex-direction: column;
        gap: 1rem;
    }

    .control-panel {
        width: 100%;
        max-height: none;
    }

    .canvas-container {
        min-height: 400px;
    }

    .seat {
        width: 40px;
        height: 40px;
        font-size: 0.7rem;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .main-content {
        padding: 1rem;
    }

    .panel-section {
        padding: 1rem;
    }

    .status-bar {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .status-stats {
        justify-content: center;
    }

    .seat {
        width: 35px;
        height: 35px;
        font-size: 0.65rem;
    }

    .modal-content {
        width: 95%;
        margin: 1rem;
    }

    .toast {
        right: 10px;
        left: 10px;
        transform: translateY(-100px);
    }

    .toast.show {
        transform: translateY(0);
    }
}