/* ========================================
   员工家属信息填报系统 - 样式文件
   ======================================== */

/* CSS Variables */
:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #eef2ff;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --warning-color: #f59e0b;
    
    --bg-gradient-start: #667eea;
    --bg-gradient-end: #764ba2;
    
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --card-border: rgba(255, 255, 255, 0.2);
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --border-color: #e2e8f0;
    --input-bg: #f8fafc;
    --input-focus-ring: rgba(99, 102, 241, 0.3);
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    line-height: 1.6;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
}

/* Page Container */
.page {
    display: none;
    min-height: 100vh;
}

.page.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Login Page Styles
   ======================================== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--card-border);
    padding: 48px;
    width: 100%;
    max-width: 440px;
    animation: slideUp 0.6s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 36px;
}

.login-header .logo {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary-color), var(--bg-gradient-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.login-header .logo svg {
    width: 36px;
    height: 36px;
    color: white;
}

.login-header h1 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-header .subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.login-note {
    text-align: center;
    margin-top: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========================================
   Form Styles
   ======================================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--input-bg);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 4px var(--input-focus-ring);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 44px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Button Styles
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--bg-gradient-end));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

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

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
}

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

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

.btn-danger:hover {
    background: var(--danger-hover);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 10px 16px;
    font-size: 0.9rem;
}

.btn-sm svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   App Header
   ======================================== */
.app-header {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left h1 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-right: 16px;
    border-right: 1px solid var(--border-color);
}

.user-avatar {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary-color), var(--bg-gradient-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1rem;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.user-id {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .app-header {
        padding: 12px 16px;
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .header-right {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .user-info {
        border-right: none;
        padding-right: 0;
    }
}

/* ========================================
   App Main Content
   ======================================== */
.app-main {
    padding: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .app-main {
        padding: 16px;
    }
}

/* Section Styles */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    color: white;
}

.section-header h2 svg {
    width: 24px;
    height: 24px;
}

/* Employee Info Section */
.employee-info-section {
    margin-bottom: 32px;
}

.info-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.info-grid {
    display: flex;
    align-items: flex-end;
    gap: 16px;
}

.info-item {
    flex: 1;
}

.info-item label {
    display: block;
    font-weight: 500;
    font-size: 0.85rem;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.info-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--input-bg);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.info-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 4px var(--input-focus-ring);
}

@media (max-width: 600px) {
    .info-grid {
        flex-direction: column;
        align-items: stretch;
    }
}

/* Family Section */
.family-section {
    margin-bottom: 32px;
}

.family-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
}

@media (max-width: 400px) {
    .family-list {
        grid-template-columns: 1fr;
    }
}

/* Family Card */
.family-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-normal);
    animation: cardSlideIn 0.4s ease;
}

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.family-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.card-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #ec4899, #f43f5e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
}

.card-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-relationship {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.card-actions {
    display: flex;
    gap: 8px;
}

.card-action-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--input-bg);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.card-action-btn:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

.card-action-btn.delete:hover {
    background: #fef2f2;
    color: var(--danger-color);
}

.card-action-btn svg {
    width: 18px;
    height: 18px;
}

.card-body {
    display: grid;
    gap: 12px;
}

.card-field {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.card-field-label {
    color: var(--text-secondary);
}

.card-field-value {
    color: var(--text-primary);
    font-weight: 500;
    text-align: right;
}

.card-field-value.tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.8rem;
}

.card-field-value.tag.success {
    background: #ecfdf5;
    color: var(--success-color);
}

/* Empty State */
.empty-state {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.empty-state svg {
    width: 80px;
    height: 80px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-secondary);
}

.empty-state.hidden {
    display: none;
}

/* ========================================
   Modal Styles
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-sm {
    max-width: 400px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

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

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--input-bg);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: #fef2f2;
    color: var(--danger-color);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: 24px;
    max-height: calc(90vh - 160px);
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--input-bg);
}

.confirm-text {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px 0;
}

/* ========================================
   Toast Notification
   ======================================== */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-primary);
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    font-weight: 500;
    z-index: 2000;
    opacity: 0;
    transition: all var(--transition-normal);
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

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

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

/* ========================================
   Scrollbar Styles
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}