* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #10533f;
    --primary-dark: #0a3d2e;
    --secondary: #1a6e54;
    --gradient: linear-gradient(135deg, #10533f 0%, #1a6e54 100%);
    --text: #2d3748;
    --text-light: #718096;
    --text-muted: #a0aec0;
    --bg: #f5f7fa;
    --bg-dark: #2d3748;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.landing-page {
    position: relative;
    overflow-x: hidden;
}

.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(180deg, #f0f7f4 0%, #e6f0eb 50%, #f5f2f0 100%);
}

.bg-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.5;
    filter: blur(60px);
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #10533f 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #1a6e54 0%, transparent 70%);
    bottom: -100px;
    left: -50px;
    animation-delay: -7s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #2a8c6f 0%, transparent 70%);
    top: 50%;
    right: 10%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-3deg); }
}

.header {
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--text);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-icon svg {
    width: 20px;
    height: 20px;
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-center {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

.nav a:hover {
    color: var(--primary);
}

.nav a:hover::after {
    width: 100%;
}

.nav-right {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
    font-family: inherit;
    white-space: nowrap;
}

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

.btn-primary {
    background: var(--gradient);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(16, 83, 63, 0.4);
}

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

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

.btn-large {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

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

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

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

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

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

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--border);
    color: var(--text);
}

.btn-secondary:hover {
    background: var(--text-muted);
}

.btn-loader {
    display: flex;
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.main {
    padding: 0;
    min-height: auto;
}

.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 20px 6rem;
    min-height: calc(100vh - 80px);
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary);
    padding: 0.375rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    animation: fadeInDown 0.6s ease;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #48bb78;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text);
    animation: fadeInUp 0.6s ease 0.1s backwards;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    animation: fadeInUp 0.6s ease 0.3s backwards;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    animation: fadeInUp 0.6s ease 0.4s backwards;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

.auth-panel {
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    animation: fadeInRight 0.6s ease 0.2s backwards;
}

.auth-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
}

.auth-tabs {
    display: flex;
    position: relative;
    margin-bottom: 2rem;
    background: var(--bg);
    border-radius: var(--radius-md);
    padding: 4px;
}

.auth-tab {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-radius: calc(var(--radius-md) - 2px);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
    font-family: inherit;
}

.auth-tab svg {
    width: 18px;
    height: 18px;
}

.auth-tab.active {
    color: var(--primary);
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.tab-indicator {
    position: absolute;
    top: 4px;
    bottom: 4px;
    width: calc(50% - 4px);
    background: #fff;
    border-radius: calc(var(--radius-md) - 2px);
    box-shadow: var(--shadow-sm);
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    left: 4px;
    z-index: 0;
}

.auth-tabs[data-active="register"] .tab-indicator {
    left: calc(50% + 0px);
}

.auth-tab.active {
    z-index: 1;
}

.auth-panels {
    position: relative;
    min-height: 480px;
}

.auth-form-panel {
    display: none;
    animation: fadeIn 0.4s ease;
}

.auth-form-panel.active {
    display: block;
}

.auth-form-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.auth-form-desc {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text);
    font-size: 0.9375rem;
}

.form-group label .required {
    color: #e53e3e;
    margin-left: 2px;
    font-weight: 700;
}

.form-hint {
    margin: 0.375rem 0 0;
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.form-hint.error {
    color: #e53e3e;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 1rem;
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    pointer-events: none;
    transition: color 0.3s ease;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    transition: var(--transition);
    background: var(--bg);
    font-family: inherit;
}

.form-group input[type="password"] {
    padding-right: 3rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(16, 83, 63, 0.1);
}

.form-group input:focus + .input-icon,
.input-wrapper:focus-within .input-icon {
    color: var(--primary);
}

.form-group input.error {
    border-color: #e53e3e;
    background: #fff5f5;
}

.form-group input.error + .input-icon {
    color: #e53e3e;
}

.toggle-password {
    position: absolute;
    right: 0.75rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.toggle-password:hover {
    color: var(--primary);
    background: var(--bg);
}

.toggle-password svg {
    width: 20px;
    height: 20px;
}

.form-error {
    display: none;
    color: #e53e3e;
    font-size: 0.8125rem;
    margin-top: 0.375rem;
    padding-left: 0.25rem;
}

.form-error.active {
    display: block;
    animation: shake 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.password-strength {
    margin-top: 0.75rem;
}

.strength-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.375rem;
}

.strength-fill {
    height: 100%;
    width: 0%;
    background: #e53e3e;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.strength-fill.weak {
    width: 33%;
    background: #e53e3e;
}

.strength-fill.fair {
    width: 66%;
    background: #ed8936;
}

.strength-fill.good {
    width: 100%;
    background: #48bb78;
}

.strength-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-light);
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

.checkbox-label a {
    color: var(--primary);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.forgot-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.forgot-link:hover {
    text-decoration: underline;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-divider span {
    padding: 0 1rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.social-login {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-btn {
    width: 48px;
    height: 48px;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
}

.social-btn:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.social-btn svg {
    width: 24px;
    height: 24px;
}

.wecom-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.social-btn .tooltip {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    background: rgba(0, 0, 0, 0.85);
    color: #fff;
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    z-index: 10;
}

.social-btn .tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.85);
}

.social-btn:hover .tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.social-btn:first-child svg {
    color: #24292e;
}

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

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

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

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

.features-section {
    padding: 5rem 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 0.75rem;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.04);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 1.25rem;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.howto-section {
    padding: 5rem 20px;
    background: transparent;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
}

.step {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    width: 64px;
    height: 64px;
    background: var(--gradient);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 16px rgba(16, 83, 63, 0.3);
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-light);
}

.step-line {
    display: none;
}

.cta-section {
    padding: 5rem 20px;
}

.cta-content {
    background: var(--gradient);
    border-radius: var(--radius-xl);
    padding: 4rem 2rem;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-content::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.cta-content::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    position: relative;
    z-index: 1;
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

.cta-content .btn {
    position: relative;
    z-index: 1;
}

.footer {
    background: var(--bg-dark);
    color: #a0aec0;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo h1 {
    color: #fff;
    -webkit-text-fill-color: #fff;
    background: none;
}

.footer-desc {
    margin-top: 1rem;
    line-height: 1.7;
}

.footer-links h4 {
    color: #fff;
    font-size: 0.9375rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.footer-links a {
    display: block;
    color: #a0aec0;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: var(--transition);
    font-size: 0.9375rem;
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.875rem;
}

.toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: #fff;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    animation: slideInRight 0.3s ease;
    border-left: 4px solid var(--primary);
}

.toast.success {
    border-left-color: #48bb78;
}

.toast.error {
    border-left-color: #e53e3e;
}

.toast.info {
    border-left-color: var(--primary);
}

.toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.toast.success .toast-icon {
    color: #48bb78;
}

.toast.error .toast-icon {
    color: #e53e3e;
}

.toast.info .toast-icon {
    color: var(--primary);
}

.toast-message {
    flex: 1;
    font-size: 0.9375rem;
    color: var(--text);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.message {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    display: none;
    font-size: 0.9375rem;
}

.message.success {
    background: #c6f6d5;
    color: #22543d;
    display: block;
}

.message.error {
    background: #fed7d7;
    color: #742a2a;
    display: block;
}

.dashboard {
    display: flex;
    gap: 2rem;
}

.sidebar {
    width: 200px;
    background: #fff;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 5rem;
    height: fit-content;
}

.sidebar h3 {
    color: var(--text);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    margin-bottom: 0.5rem;
}

.sidebar a {
    display: block;
    padding: 0.75rem;
    color: var(--text);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.sidebar a:hover,
.sidebar a.active {
    background: var(--gradient);
    color: #fff;
}

.content {
    flex: 1;
    background: #fff;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.content h2 {
    color: var(--text);
    margin-bottom: 2rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.data-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.data-list {
    display: grid;
    gap: 1rem;
}

.data-item {
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: box-shadow 0.3s;
}

.data-item:hover {
    box-shadow: var(--shadow-md);
}

.data-item h4 {
    color: var(--text);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.data-item .badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.badge.public {
    background: #c6f6d5;
    color: #22543d;
}

.badge.private {
    background: #feebc8;
    color: #744210;
}

.data-item p {
    color: var(--text-light);
    margin-bottom: 1rem;
    white-space: pre-wrap;
}

.data-item .data-meta {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.data-item .data-actions {
    display: flex;
    gap: 0.5rem;
}

.code-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#code-input {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: 'Fira Code', 'Monaco', 'Consolas', monospace;
    font-size: 1rem;
    resize: vertical;
}

#code-input:focus {
    outline: none;
    border-color: var(--primary);
}

.code-output {
    background: var(--bg-dark);
    color: #e2e8f0;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-family: 'Fira Code', 'Monaco', 'Consolas', monospace;
    font-size: 0.875rem;
    min-height: 100px;
    white-space: pre-wrap;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: #fff;
    padding: 2rem;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content h3 {
    color: var(--text);
    margin-bottom: 1.5rem;
}

.modal-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info span {
    font-weight: 600;
}

.profile-info {
    display: grid;
    gap: 1rem;
}

.profile-item {
    padding: 1rem;
    background: var(--bg);
    border-radius: var(--radius-md);
}

.profile-item strong {
    color: var(--text);
    margin-right: 0.5rem;
}

.hero-section-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 20px;
    min-height: calc(100vh - 70px);
}

.hero-section-center .auth-panel {
    width: 100%;
    max-width: 420px;
    animation: fadeInUp 0.6s ease backwards;
}

.footer-content {
    text-align: center;
}

.footer-slogan {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.footer-desc {
    font-size: 0.9375rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.footer-copy {
    font-size: 0.875rem;
    color: var(--text-muted);
}