/* 全局样式 */
:root {
    --primary-color: #3b82f6;
    --secondary-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #475569;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

/* 背景动画 */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.particle:nth-child(1) {
    background: var(--primary-color);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    background: var(--secondary-color);
    top: 50%;
    right: -100px;
    animation-delay: 4s;
}

.particle:nth-child(3) {
    background: var(--success-color);
    bottom: -100px;
    left: 30%;
    animation-delay: 8s;
}

.particle:nth-child(4) {
    background: var(--warning-color);
    top: 20%;
    left: 50%;
    animation-delay: 12s;
}

.particle:nth-child(5) {
    background: var(--danger-color);
    bottom: 20%;
    right: 20%;
    animation-delay: 16s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(100px, -100px) scale(1.2);
    }
    66% {
        transform: translate(-100px, 100px) scale(0.8);
    }
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* 头部 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    padding: 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

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

.logo i {
    font-size: 2rem;
    color: var(--primary-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.logo h1 {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.theme-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(180deg);
}

/* 主内容 */
.main-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

/* 统计卡片 */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(59, 130, 246, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* 密码显示区 */
.password-display-section {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.password-box {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-secondary);
    padding: 2rem 1.5rem;
    border-radius: 15px;
    border: 2px solid var(--border-color);
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    min-height: 100px;
}

.password-box:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(59, 130, 246, 0.15);
}

.password-text {
    flex: 1;
    font-size: 1.4rem;
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
    word-break: break-all;
    letter-spacing: 1.5px;
    line-height: 1.6;
}

.placeholder-text {
    color: var(--text-muted);
    font-style: italic;
    letter-spacing: normal;
}

.password-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.action-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 50px;
    height: 50px;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.action-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.action-btn:hover::before {
    width: 100px;
    height: 100px;
}

.copy-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.refresh-btn:hover {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

.action-btn:active {
    transform: translateY(0) scale(0.95);
}

/* 密码强度指示器 */
.strength-indicator {
    margin-bottom: 1.5rem;
}

.strength-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.strength-fill {
    height: 100%;
    width: 0%;
    border-radius: 10px;
    transition: all 0.5s ease;
    background: linear-gradient(90deg, var(--danger-color), var(--warning-color), var(--success-color));
}

.strength-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 密码分析 */
.password-analysis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}

.analysis-item {
    background: var(--bg-secondary);
    padding: 1.2rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.analysis-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.analysis-item:hover::after {
    opacity: 1;
}

.analysis-item:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

.analysis-item i {
    color: var(--primary-color);
    font-size: 1.4rem;
}

.analysis-item span {
    font-size: 0.95rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.analysis-item strong {
    color: var(--text-primary);
    font-size: 1.3rem;
}

/* 控制面板 */
.control-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.control-group {
    margin-bottom: 1.5rem;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.control-group i {
    color: var(--primary-color);
}

#lengthValue {
    color: var(--primary-color);
    font-weight: 700;
}

/* 滑块 */
.slider {
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: var(--bg-tertiary);
    outline: none;
    -webkit-appearance: none;
    margin-bottom: 1rem;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(59, 130, 246, 0.5);
    transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.5);
}

/* 预设按钮 */
.length-presets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.preset-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.7rem;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.preset-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* 高级选项 */
.advanced-options {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.toggle-advanced {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 1rem;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    gap: 0.5rem;
}

.toggle-advanced:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.toggle-icon {
    transition: transform 0.3s ease;
    font-size: 0.9rem;
    margin-left: auto;
}

.toggle-advanced.active .toggle-icon {
    transform: rotate(180deg);
}

.advanced-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, margin-top 0.3s ease;
}

.advanced-content.show {
    max-height: 300px;
    margin-top: 1rem;
}

/* 批量控制 */
.batch-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.batch-controls label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.batch-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.batch-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 45px;
    height: 45px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.batch-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: scale(1.05);
}

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

.batch-input {
    flex: 1;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.8rem;
    border-radius: 10px;
    font-size: 1.1rem;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.batch-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 生成按钮 */
.generate-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    color: white;
    padding: 1.2rem 2rem;
    border-radius: 15px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
    margin-top: 1.5rem;
}

.generate-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.4);
}

.generate-btn:active {
    transform: translateY(-1px);
}

.generate-btn i {
    font-size: 1.2rem;
}

.generate-btn.loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 历史记录 */
.history-section {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.history-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.3rem;
}

.history-header i {
    color: var(--primary-color);
}

.clear-history-btn {
    background: var(--danger-color);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.clear-history-btn:hover {
    transform: scale(1.1);
    background: #dc2626;
}

.history-list {
    max-height: 400px;
    overflow-y: auto;
}

.history-list::-webkit-scrollbar {
    width: 8px;
}

.history-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 10px;
}

.history-list::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.history-empty {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.history-empty i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.history-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 0.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    animation: slideIn 0.3s ease;
}

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

.history-item:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.history-password {
    flex: 1;
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
    word-break: break-all;
    margin-right: 1rem;
}

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

.history-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 35px;
    height: 35px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.history-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

/* 安全建议 */
.security-tips {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.3rem;
}

.section-header h3 i {
    color: var(--warning-color);
}

.collapse-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.collapse-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(180deg);
}

.collapse-btn.collapsed i {
    transform: rotate(180deg);
}

.tips-content {
    max-height: 1000px;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease;
}

.tips-content.collapsed {
    max-height: 0;
    opacity: 0;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.tip-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tip-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--success-color);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.tip-card:hover::before {
    transform: scaleY(1);
}

.tip-card:hover {
    border-color: var(--success-color);
    transform: translateX(5px);
    box-shadow: -5px 5px 15px rgba(16, 185, 129, 0.1);
}

.tip-number {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.tip-card i {
    color: var(--success-color);
    font-size: 1.4rem;
    margin-top: 0.2rem;
}

.tip-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 页脚 */
.footer {
    margin-top: 3rem;
    padding: 2rem;
}

.footer-content {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-section {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.footer-section i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.footer-divider {
    width: 1px;
    height: 30px;
    background: var(--border-color);
}

.footer-tag {
    padding: 0.4rem 0.8rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.3s ease;
}

.footer-tag:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* 通知提示 */
.toast {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: var(--success-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 1000;
    font-weight: 600;
}

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

.toast i {
    font-size: 1.2rem;
}

/* 加载动画 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.loading-overlay.show {
    display: flex;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .container {
        max-width: 900px;
    }
    
    .stats-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
        max-width: 100%;
    }

    .header {
        padding: 1rem;
        margin-bottom: 1.5rem;
    }

    .logo h1 {
        font-size: 1.3rem;
    }

    .logo i {
        font-size: 1.5rem;
    }

    .stats-cards {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .password-box {
        padding: 1.5rem 1rem;
        min-height: 80px;
    }

    .password-text {
        font-size: 1.1rem;
    }

    .password-actions {
        flex-direction: column;
    }

    .action-btn {
        width: 45px;
        height: 45px;
    }

    .tips-grid {
        grid-template-columns: 1fr;
    }

    .length-presets {
        grid-template-columns: repeat(2, 1fr);
    }

    .toast {
        right: 1rem;
        left: 1rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }

    .footer-divider {
        width: 100%;
        height: 1px;
    }
}

@media (max-width: 480px) {
    .password-analysis {
        grid-template-columns: repeat(2, 1fr);
    }

    .analysis-item {
        padding: 1rem;
        font-size: 0.85rem;
    }

    .analysis-item i {
        font-size: 1.2rem;
    }

    .analysis-item strong {
        font-size: 1.1rem;
    }

    .control-panel {
        padding: 1.5rem;
    }

    .generate-btn {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
}