.modern-home-container {
    min-height: calc(100vh - 200px);
    padding-bottom: 60px;
}

.hero-section {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 30px;
    padding: 80px 40px;
    margin-bottom: 60px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4), 0 0 100px rgba(102, 126, 234, 0.2);
    animation: hero-glow 4s ease-in-out infinite;
}

@keyframes hero-glow {
    0%, 100% {
        box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4), 0 0 100px rgba(102, 126, 234, 0.2);
    }
    50% {
        box-shadow: 0 25px 70px rgba(102, 126, 234, 0.5), 0 0 120px rgba(102, 126, 234, 0.3);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}

.hero-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    backdrop-filter: blur(10px);
    animation: float-rotate 4s ease-in-out infinite;
    box-shadow: 0 0 40px rgba(255, 255, 255, 0.3), inset 0 0 20px rgba(255, 255, 255, 0.1);
    position: relative;
}

.hero-icon::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    animation: spin-slow 8s linear infinite;
}

@keyframes float-rotate {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-10px) rotate(5deg); }
    50% { transform: translateY(-20px) rotate(0deg); }
    75% { transform: translateY(-10px) rotate(-5deg); }
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 40px;
    opacity: 0.95;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-trust-badges {
    display: flex;
    gap: 25px;
    justify-content: center;
    margin-top: 25px;
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-badge i {
    font-size: 1.1rem;
    color: #48bb78;
}

.btn-hero {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.btn-hero::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 ease, height 0.6s ease;
}

.btn-hero:hover::before {
    width: 300px;
    height: 300px;
}

.btn-hero i {
    font-size: 1.3rem;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.btn-hero:hover i {
    transform: scale(1.2) rotate(5deg);
}

.btn-hero span {
    position: relative;
    z-index: 1;
}

.btn-hero-primary {
    background: white;
    color: #667eea;
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.4), 0 0 40px rgba(255, 255, 255, 0.2);
}

.btn-hero-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.5), 0 0 60px rgba(255, 255, 255, 0.3);
    color: #667eea;
}

.btn-hero-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-hero-secondary::before {
    background: rgba(255, 255, 255, 0.2);
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
}

.btn-hero-large {
    padding: 20px 60px;
    font-size: 1.3rem;
}

.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    box-shadow: 0 0 60px rgba(255, 255, 255, 0.2);
}

.decoration-circle-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -50px;
    animation: pulse-float 6s ease-in-out infinite;
}

.decoration-circle-2 {
    width: 200px;
    height: 200px;
    bottom: -50px;
    left: -30px;
    animation: pulse-float 7s ease-in-out infinite 1s;
}

.decoration-circle-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    right: 10%;
    animation: pulse-float 5s ease-in-out infinite 0.5s;
}

@keyframes pulse-float {
    0%, 100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        opacity: 0.3;
    }
    25% {
        transform: translate(20px, -20px) scale(1.05) rotate(5deg);
        opacity: 0.4;
    }
    50% {
        transform: translate(0, -40px) scale(1.1) rotate(10deg);
        opacity: 0.5;
    }
    75% {
        transform: translate(-20px, -20px) scale(1.05) rotate(5deg);
        opacity: 0.4;
    }
}

.features-section,
.info-section,
.stats-section {
    margin-bottom: 60px;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.section-desc {
    font-size: 1.2rem;
    color: #718096;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    position: relative;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 35px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    gap: 20px;
    align-items: flex-start;
    border: 1px solid rgba(255, 255, 255, 0.3);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.03) 0%, rgba(118, 75, 162, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.18), 0 0 40px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.3);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
    color: white;
}

.feature-icon-blue {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.feature-icon-green {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
}

.feature-icon-purple {
    background: linear-gradient(135deg, #9f7aea 0%, #805ad5 100%);
}

.feature-content,
.stat-content,
.card-content,
.action-content,
.achievement-name {
    flex: 1;
}

.feature-title,
.info-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 1rem;
    color: #718096;
    line-height: 1.7;
    margin: 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.info-card {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 1) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.info-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 40px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.2);
}

.info-card:hover::before {
    left: 100%;
}

.info-card-highlight {
    border: 2px solid rgba(237, 137, 54, 0.4);
    background: linear-gradient(135deg, rgba(237, 137, 54, 0.08) 0%, rgba(246, 173, 85, 0.08) 100%);
    box-shadow: 0 10px 40px rgba(237, 137, 54, 0.15), 0 0 30px rgba(237, 137, 54, 0.1);
}

.info-card-highlight:hover {
    border-color: rgba(237, 137, 54, 0.6);
    box-shadow: 0 20px 60px rgba(237, 137, 54, 0.25), 0 0 50px rgba(237, 137, 54, 0.2);
}

.info-card-header,
.dashboard-title,
.welcome-title {
    display: flex;
    align-items: center;
    gap: 15px;
}

.info-card-header {
    padding: 30px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.info-icon {
    width: 55px;
    height: 55px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.info-icon-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.info-icon-gold {
    background: linear-gradient(135deg, #f6ad55 0%, #ed8936 100%);
}

.info-title {
    margin: 0;
}

.info-card-body,
.welcome-section,
.today-dashboard,
.quick-actions-section,
.recent-words-container,
.recent-achievements-container {
    padding: 30px;
}

.info-items,
.recent-words-list,
.achievements-list {
    display: flex;
    flex-direction: column;
}

.info-items {
    gap: 18px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.05rem;
    color: #4a5568;
}

.info-item i {
    color: #667eea;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-card-highlight .info-item i {
    color: #ed8936;
}

.info-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 25px;
    padding: 15px 25px;
    background: linear-gradient(135deg, #f6ad55 0%, #ed8936 100%);
    color: white;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
}

.info-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(237, 137, 54, 0.4);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.stat-card {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 1) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.5);
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 40px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.2);
}

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

.stat-icon {
    width: 65px;
    height: 65px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    flex-shrink: 0;
}

.stat-icon-blue {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.stat-icon-green {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
}

.stat-icon-purple {
    background: linear-gradient(135deg, #9f7aea 0%, #805ad5 100%);
}

.stat-value,
.card-number {
    font-size: 2rem;
    font-weight: 700;
    color: #2d3748;
}

.stat-value {
    margin-bottom: 5px;
}

.stat-label,
.card-label,
.action-desc,
.achievement-date {
    color: #718096;
}

.stat-label {
    font-size: 0.95rem;
    font-weight: 500;
}

.user-learning-center {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-radius: 25px;
    padding: 40px 20px;
    margin-bottom: 60px;
}

.welcome-section,
.today-dashboard,
.quick-actions-section,
.recent-words-container,
.recent-achievements-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.welcome-section,
.today-dashboard,
.quick-actions-section {
    margin-bottom: 30px;
}

.welcome-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.welcome-title i {
    color: #f6ad55;
}

.user-stats-row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.user-stat-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 20px;
    font-size: 0.95rem;
    color: #4a5568;
}

.user-stat-badge i {
    font-size: 1.1rem;
}

.user-stat-badge.vip-badge {
    background: linear-gradient(135deg, rgba(237, 137, 54, 0.15) 0%, rgba(246, 173, 85, 0.15) 100%);
    color: #dd6b20;
    font-weight: 600;
}

.user-stat-badge.vip-badge i {
    color: #ed8936;
}

.dashboard-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 20px;
}

.dashboard-title i {
    color: #667eea;
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
}

.dashboard-card {
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.dashboard-card.card-urgent {
    background: linear-gradient(135deg, rgba(252, 129, 129, 0.1) 0%, rgba(245, 101, 101, 0.1) 100%);
    border-color: rgba(252, 129, 129, 0.3);
    animation: urgent-pulse 2s ease-in-out infinite;
}

@keyframes urgent-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.dashboard-card.card-warning {
    background: linear-gradient(135deg, rgba(246, 173, 85, 0.1) 0%, rgba(237, 137, 54, 0.1) 100%);
    border-color: rgba(237, 137, 54, 0.3);
}

.card-icon,
.action-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.icon-review {
    background: linear-gradient(135deg, #fc8181 0%, #f56565 100%);
}

.icon-learned {
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
}

.icon-mastered {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
}

.icon-wrong {
    background: linear-gradient(135deg, #f6ad55 0%, #ed8936 100%);
}

.card-number {
    line-height: 1;
    margin-bottom: 5px;
}

.card-label {
    font-size: 0.9rem;
}

.card-tip {
    margin-top: 5px;
    font-size: 0.75rem;
    color: #e53e3e;
    font-weight: 600;
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.quick-action-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    border-radius: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.quick-action-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.quick-action-card:hover::before {
    left: 100%;
}

.quick-action-card:hover {
    transform: translateY(-5px) translateX(3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.quick-action-card.action-primary {
    border-color: rgba(102, 126, 234, 0.3);
}

.quick-action-card.action-primary:hover {
    border-color: #667eea;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.quick-action-card.action-success {
    border-color: rgba(72, 187, 120, 0.3);
}

.quick-action-card.action-success:hover {
    border-color: #48bb78;
    box-shadow: 0 10px 30px rgba(72, 187, 120, 0.3);
}

.quick-action-card.action-warning {
    border-color: rgba(237, 137, 54, 0.3);
}

.quick-action-card.action-warning:hover {
    border-color: #ed8936;
    box-shadow: 0 10px 30px rgba(237, 137, 54, 0.3);
}

.quick-action-card.action-info {
    border-color: rgba(66, 153, 225, 0.3);
}

.quick-action-card.action-info:hover {
    border-color: #4299e1;
    box-shadow: 0 10px 30px rgba(66, 153, 225, 0.3);
}

.action-primary .action-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.action-success .action-icon {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
}

.action-warning .action-icon {
    background: linear-gradient(135deg, #f6ad55 0%, #ed8936 100%);
}

.action-info .action-icon {
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
}

.action-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 4px;
}

.action-desc {
    font-size: 0.85rem;
}

.action-arrow {
    font-size: 1.2rem;
    color: #a0aec0;
    transition: transform 0.3s ease;
}

.quick-action-card:hover .action-arrow {
    transform: translateX(5px);
    color: #667eea;
}

.recent-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.recent-words-list {
    gap: 10px;
}

.recent-word-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background: #f7fafc;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.recent-word-item:hover {
    background: #edf2f7;
    border-color: #667eea;
    transform: translateX(5px);
}

.word-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2d3748;
}

.word-type {
    padding: 4px 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.achievements-list {
    gap: 15px;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: linear-gradient(135deg, rgba(246, 173, 85, 0.08) 0%, rgba(237, 137, 54, 0.08) 100%);
    border-radius: 12px;
    border: 1px solid rgba(237, 137, 54, 0.2);
    transition: all 0.3s ease;
    animation: achievement-slide-in 0.5s ease;
}

@keyframes achievement-slide-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.achievement-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(237, 137, 54, 0.2);
}

.achievement-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f6ad55 0%, #ed8936 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.achievement-icon img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.achievement-name {
    font-weight: 600;
    color: #2d3748;
}

.achievement-date {
    font-size: 0.8rem;
}

.empty-placeholder {
    text-align: center;
    padding: 40px 20px;
    color: #a0aec0;
}

.empty-placeholder i {
    font-size: 3rem;
    margin-bottom: 10px;
}

.empty-placeholder p {
    margin: 0;
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .hero-section {
        padding: 60px 25px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid,
    .info-grid,
    .quick-actions-grid,
    .recent-section {
        grid-template-columns: 1fr;
    }

    .feature-card {
        flex-direction: column;
        text-align: center;
    }

    .btn-hero-large {
        padding: 16px 40px;
        font-size: 1.1rem;
    }

    .dashboard-cards {
        grid-template-columns: 1fr 1fr;
    }

    .welcome-title {
        font-size: 1.5rem;
    }

    .user-stats-row {
        gap: 8px;
    }

    .recent-words-container,
    .recent-achievements-container {
        padding: 20px;
    }

    .recent-word-item {
        padding: 12px;
    }
}