@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
    --primary: #0da6f2;
    --primary-dark: #0b8cd4;
    --secondary: #f39c12;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --bg-dark: #101c22;
    --bg-card: #1A262C;
    --text-primary: #ffffff;
    --text-secondary: #90b7cb;
    --border-radius: 1rem;
    --border-radius-lg: 1.5rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Login Page */
.container-login {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-box {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.login-box h1 {
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 2rem;
    font-weight: 700;
}

.login-box .subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    background: rgba(13, 166, 242, 0.1);
    padding: 0.25rem;
    border-radius: var(--border-radius);
}

.tab-btn {
    flex: 1;
    padding: 0.75rem;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: calc(var(--border-radius) - 0.25rem);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
}

.tab-btn.active {
    background: var(--primary);
    color: var(--text-primary);
}

.form-tab {
    display: none;
}

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

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

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

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid rgba(144, 183, 203, 0.2);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.btn-primary {
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    color: var(--text-primary);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(13, 166, 242, 0.3);
}

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

.btn-secondary {
    padding: 0.75rem 1.5rem;
    background: rgba(144, 183, 203, 0.1);
    color: var(--text-primary);
    border: 2px solid rgba(144, 183, 203, 0.2);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(144, 183, 203, 0.2);
    border-color: rgba(144, 183, 203, 0.3);
}

.error-message, .message {
    margin-top: 1rem;
    padding: 0.875rem;
    border-radius: var(--border-radius);
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
    display: none;
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.message.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
    display: block;
}

.message.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
    display: block;
}

/* Menu Page */
.menu-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 1rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.menu-header {
    text-align: center;
    padding: 2rem 0 1rem;
}

.menu-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.menu-header .welcome {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.user-info {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-logout {
    padding: 0.625rem 1rem;
    background: rgba(13, 166, 242, 0.2);
    color: var(--text-primary);
    border: none;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-logout:hover {
    background: rgba(13, 166, 242, 0.3);
}

.menu-content {
    flex-grow: 1;
    padding: 1.5rem 0;
}

.menu-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.menu-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    cursor: pointer;
    min-height: 72px;
}

.menu-card:hover {
    transform: translateX(4px);
    background: rgba(26, 38, 44, 0.8);
}

.menu-card.primary {
    background: var(--primary);
}

.menu-card.primary:hover {
    background: var(--primary-dark);
}

.menu-card-icon {
    width: 3rem;
    height: 3rem;
    background: rgba(13, 166, 242, 0.3);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    flex-shrink: 0;
}

.menu-card.primary .menu-card-icon {
    background: rgba(255, 255, 255, 0.2);
}

.menu-card-content {
    flex: 1;
}

.menu-card-title {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.125rem;
    color: var(--text-primary);
}

.menu-card-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.menu-card.primary .menu-card-desc {
    color: rgba(255, 255, 255, 0.8);
}

.menu-card-arrow {
    width: 1.75rem;
    height: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.menu-footer {
    padding: 1.5rem 0 2rem;
}

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

.stat-card-mini {
    background: var(--bg-card);
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.stat-card-mini-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.stat-card-mini-value {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 700;
}

/* Profile Page */
.profile-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
}

.profile-wrapper {
    width: 100%;
    max-width: 480px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.profile-header-top {
    padding-top: 2rem;
    padding-bottom: 1.5rem;
}

.profile-title-section {
    text-align: center;
    margin-top: 1.5rem;
}

.profile-main-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
}

.profile-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.profile-user-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    margin-top: 1rem;
}

.profile-avatar-large {
    width: 7rem;
    height: 7rem;
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(13, 166, 242, 0.5);
    box-shadow: 0 4px 15px -3px rgba(0, 0, 0, 0.2), 0 2px 8px -2px rgba(0, 0, 0, 0.15);
}

.avatar-emoji {
    font-size: 3.75rem;
}

.profile-user-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.profile-username {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.profile-email {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.profile-stats-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.stat-card-profile {
    background: var(--bg-card);
    padding: 1rem;
    border-radius: 1.25rem;
    box-shadow: 0 4px 15px -3px rgba(0, 0, 0, 0.2), 0 2px 8px -2px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: var(--transition);
}

.stat-card-profile:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px -3px rgba(0, 0, 0, 0.3);
}

.stat-emoji {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.stat-label-profile {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.25rem;
}

.stat-value-profile {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-value-profile.primary {
    color: var(--primary);
}

.stat-value-profile.gold {
    color: #fbbf24;
}

.stat-value-profile.date {
    font-size: 1rem;
    font-weight: 600;
}

/* Config and Achievements containers */
.config-container, .achievements-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 1rem;
    min-height: 100vh;
}

.page-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-top: 1rem;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    flex: 1;
    color: var(--text-primary);
}

.btn-back {
    padding: 0.625rem 1rem;
    background: rgba(144, 183, 203, 0.1);
    color: var(--text-primary);
    border: 2px solid rgba(144, 183, 203, 0.2);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.btn-back:hover {
    background: rgba(144, 183, 203, 0.2);
    border-color: rgba(144, 183, 203, 0.3);
}

/* Config Page */
.config-sections {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.config-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
}

.config-card h2 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
}

/* Achievements Page */
.achievements-count {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.achievements-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.achievement-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    display: flex;
    gap: 1rem;
    transition: var(--transition);
    border: 2px solid transparent;
}

.achievement-card.locked {
    opacity: 0.4;
}

.achievement-card.unlocked {
    border-color: var(--primary);
    background: rgba(13, 166, 242, 0.05);
}

.achievement-card.unlocked.dif-facil {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.05);
}

.achievement-card.unlocked.dif-medio {
    border-color: #f59e0b;
    background: rgba(245, 158, 11, 0.05);
}

.achievement-card.unlocked.dif-dificil {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

.achievement-card.unlocked.dif-muy_dificil {
    border-color: #a855f7;
    background: rgba(168, 85, 247, 0.05);
}

.achievement-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.achievement-info {
    flex: 1;
}

.achievement-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
    flex-wrap: wrap;
}

.achievement-info h3 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
}

.achievement-difficulty {
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.achievement-difficulty.dif-facil {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.achievement-difficulty.dif-medio {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.achievement-difficulty.dif-dificil {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.achievement-difficulty.dif-muy_dificil {
    background: rgba(168, 85, 247, 0.2);
    color: #a855f7;
}

.achievement-info p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.achievement-date {
    font-size: 0.75rem;
    color: var(--success);
    font-weight: 500;
}

.achievement-locked {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Ranking Page */
.ranking-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 0;
}

.ranking-wrapper {
    width: 100%;
    max-width: 480px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

.header-back {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.btn-back-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    color: var(--text-primary);
    background: transparent;
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-back-icon:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-back-icon:active {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(0.95);
}

.icon-back {
    font-size: 1.5rem;
}

.header-back-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.ranking-title-section {
    text-align: center;
    margin-top: 1rem;
}

.ranking-main-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.ranking-user-position {
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary);
    margin-top: 0.5rem;
}

.ranking-main {
    flex-grow: 1;
    padding-bottom: 2rem;
}

.ranking-table-header {
    display: grid;
    grid-template-columns: 3.5rem 1fr 4.5rem 4.5rem;
    gap: 0.5rem;
    padding: 0 0.75rem 0.75rem;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.header-col-pos {
    text-align: center;
}

.header-col-player {
    text-align: left;
}

.header-col-score {
    text-align: center;
}

.header-col-wins {
    text-align: center;
}

.ranking-list {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin-top: 0.5rem;
}

.ranking-row {
    display: grid;
    grid-template-columns: 3.5rem 1fr 4.5rem 4.5rem;
    gap: 0.5rem;
    align-items: center;
    background: var(--bg-card);
    padding: 0.875rem 0.75rem;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    border: 2px solid transparent;
}

.ranking-row:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    background: rgba(26, 38, 44, 0.9);
}

.ranking-row:active {
    transform: translateY(0);
}

.ranking-row.current-user {
    background: rgba(13, 166, 242, 0.15);
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(13, 166, 242, 0.4);
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(13, 166, 242, 0.4);
    }
    50% {
        box-shadow: 0 0 25px rgba(13, 166, 242, 0.6);
    }
}

.ranking-row.current-user:hover {
    background: rgba(13, 166, 242, 0.2);
    animation: none;
    box-shadow: 0 0 30px rgba(13, 166, 242, 0.6);
}

.row-col-pos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.pos-number {
    color: var(--text-primary);
    font-size: 1.25rem;
}

.pos-number-only {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
}

.trophy {
    font-size: 1.25rem;
    line-height: 1;
}

.trophy.gold {
    color: #fbbf24;
    filter: drop-shadow(0 0 6px rgba(251, 191, 36, 0.6));
}

.trophy.silver {
    color: #d1d5db;
    filter: drop-shadow(0 0 6px rgba(209, 213, 219, 0.6));
}

.trophy.bronze {
    color: #fb923c;
    filter: drop-shadow(0 0 6px rgba(251, 146, 60, 0.6));
}

.row-col-player {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    min-width: 0;
}

.player-name {
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.ranking-row.current-user .player-name {
    font-weight: 700;
}

.you-badge {
    background: var(--primary);
    color: var(--bg-dark);
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.625rem;
    font-weight: 700;
    flex-shrink: 0;
    text-transform: uppercase;
}

.row-col-score {
    text-align: center;
    font-weight: 600;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.85);
    font-variant-numeric: tabular-nums;
}

.ranking-row.current-user .row-col-score {
    font-weight: 700;
    color: var(--text-primary);
}

.row-col-wins {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    font-variant-numeric: tabular-nums;
}

.ranking-row.current-user .row-col-wins {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.75);
}

/* Profile Responsive */
@media (min-width: 641px) {
    .profile-wrapper {
        max-width: 640px;
        padding: 1.5rem;
    }
    
    .profile-avatar-large {
        width: 8rem;
        height: 8rem;
    }
    
    .avatar-emoji {
        font-size: 4.5rem;
    }
    
    .profile-username {
        font-size: 1.75rem;
    }
    
    .stat-card-profile {
        padding: 1.25rem;
    }
    
    .stat-emoji {
        font-size: 1.75rem;
    }
    
    .stat-value-profile {
        font-size: 1.5rem;
    }
}

@media (min-width: 768px) {
    .profile-wrapper {
        max-width: 720px;
        padding: 2rem;
    }
    
    .profile-main-title {
        font-size: 2rem;
    }
    
    .profile-avatar-large {
        width: 9rem;
        height: 9rem;
    }
    
    .avatar-emoji {
        font-size: 5rem;
    }
    
    .profile-username {
        font-size: 2rem;
    }
    
    .profile-email {
        font-size: 1rem;
    }
    
    .stat-card-profile {
        padding: 1.5rem;
    }
    
    .stat-emoji {
        font-size: 2rem;
    }
    
    .stat-label-profile {
        font-size: 1rem;
    }
    
    .stat-value-profile {
        font-size: 1.75rem;
    }
}

@media (min-width: 1024px) {
    .profile-wrapper {
        max-width: 768px;
    }
}

/* Responsive */
@media (max-width: 374px) {
    /* Extra small phones */
    .ranking-wrapper {
        padding: 0.75rem;
    }
    
    .ranking-main-title {
        font-size: 1.5rem;
    }
    
    .ranking-user-position {
        font-size: 0.875rem;
    }
    
    .ranking-table-header {
        grid-template-columns: 3rem 1fr 3.5rem 3.5rem;
        font-size: 0.65rem;
        gap: 0.375rem;
    }
    
    .ranking-row {
        grid-template-columns: 3rem 1fr 3.5rem 3.5rem;
        padding: 0.75rem 0.5rem;
        gap: 0.375rem;
    }
    
    .player-name {
        font-size: 0.875rem;
    }
    
    .row-col-score,
    .row-col-wins {
        font-size: 0.875rem;
    }
    
    .trophy {
        font-size: 1.125rem;
    }
    
    .pos-number,
    .pos-number-only {
        font-size: 1rem;
    }
}

@media (min-width: 375px) and (max-width: 640px) {
    /* Standard phones */
    .login-box {
        padding: 1.5rem;
    }
    
    .page-header h1 {
        font-size: 1.5rem;
    }
    
    .ranking-table-header,
    .ranking-row {
        grid-template-columns: 3.5rem 1fr 4.5rem 4.5rem;
    }
}

@media (min-width: 641px) and (max-width: 767px) {
    /* Large phones / Small tablets */
    .menu-container,
    .profile-container,
    .config-container,
    .achievements-container {
        max-width: 640px;
    }
    
    .ranking-wrapper {
        max-width: 640px;
        padding: 1.5rem;
    }
    
    .ranking-table-header,
    .ranking-row {
        grid-template-columns: 4rem 1fr 5rem 5rem;
        gap: 0.75rem;
    }
    
    .ranking-row {
        padding: 1rem;
    }
    
    .player-name {
        font-size: 1rem;
    }
    
    .row-col-score,
    .row-col-wins {
        font-size: 1rem;
    }
    
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    /* Tablets */
    .menu-container,
    .profile-container,
    .config-container,
    .achievements-container {
        max-width: 720px;
    }
    
    .ranking-wrapper {
        max-width: 720px;
        padding: 2rem;
    }
    
    .ranking-header-top {
        padding-top: 2rem;
        padding-bottom: 1.5rem;
    }
    
    .ranking-main-title {
        font-size: 2rem;
    }
    
    .ranking-user-position {
        font-size: 1.125rem;
    }
    
    .ranking-table-header,
    .ranking-row {
        grid-template-columns: 4.5rem 1fr 6rem 6rem;
        gap: 1rem;
    }
    
    .ranking-row {
        padding: 1.125rem 1rem;
    }
    
    .ranking-table-header {
        font-size: 0.75rem;
        padding: 0 1rem 1rem;
    }
    
    .player-name {
        font-size: 1.0625rem;
    }
    
    .row-col-score,
    .row-col-wins {
        font-size: 1.0625rem;
    }
    
    .trophy {
        font-size: 1.5rem;
    }
    
    .pos-number {
        font-size: 1.5rem;
    }
}

@media (min-width: 1024px) {
    /* Desktop */
    .menu-container,
    .profile-container,
    .config-container,
    .achievements-container {
        max-width: 768px;
    }
    
    .ranking-wrapper {
        max-width: 800px;
        padding: 2rem;
    }
    
    .ranking-header-top {
        padding-top: 2.5rem;
        padding-bottom: 2rem;
    }
    
    .ranking-main-title {
        font-size: 2.25rem;
    }
    
    .ranking-user-position {
        font-size: 1.25rem;
    }
    
    .ranking-table-header,
    .ranking-row {
        grid-template-columns: 5rem 1fr 7rem 7rem;
        gap: 1.25rem;
    }
    
    .ranking-row {
        padding: 1.25rem 1.25rem;
    }
    
    .ranking-table-header {
        font-size: 0.8rem;
        padding: 0 1.25rem 1rem;
    }
    
    .ranking-list {
        gap: 0.75rem;
    }
    
    .player-name {
        font-size: 1.125rem;
    }
    
    .row-col-score,
    .row-col-wins {
        font-size: 1.125rem;
    }
    
    .trophy {
        font-size: 1.75rem;
    }
    
    .pos-number {
        font-size: 1.75rem;
    }
    
    .pos-number-only {
        font-size: 1.375rem;
    }
    
    .you-badge {
        font-size: 0.6875rem;
        padding: 0.1875rem 0.625rem;
    }
}

/* Logros desbloqueados en pantalla de resultados */
#new-achievements {
    margin-top: 2rem;
}

#new-achievements h2 {
    text-align: center;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    animation: pulse 1s ease-in-out;
}

.achievement-unlocked {
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.2), rgba(243, 156, 18, 0.05));
    border: 2px solid var(--secondary);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideInUp 0.5s ease-out;
}

.achievement-unlocked .icon {
    font-size: 2.5rem;
    color: var(--secondary);
    min-width: 60px;
    text-align: center;
}

.achievement-unlocked .text h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    text-transform: capitalize;
}

.achievement-unlocked .text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

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

/* Página de logros */
.achievements-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

.btn-back {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    color: var(--text-primary);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

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

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

.achievements-count {
    color: var(--text-secondary);
    font-size: 1rem;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.achievement-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    transition: var(--transition);
    border: 2px solid transparent;
}

.achievement-card.unlocked {
    border-color: var(--success);
}

.achievement-card.locked {
    opacity: 0.5;
    filter: grayscale(1);
}

.achievement-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.achievement-icon {
    font-size: 2.5rem;
    min-width: 60px;
    text-align: center;
}

.achievement-card.unlocked .achievement-icon {
    color: var(--secondary);
}

.achievement-card.locked .achievement-icon {
    color: var(--text-secondary);
}

.achievement-info {
    flex: 1;
}

.achievement-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
    gap: 0.5rem;
}

.achievement-info h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.achievement-difficulty {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    white-space: nowrap;
}

.achievement-difficulty.dif-facil {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.achievement-difficulty.dif-medio {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.achievement-difficulty.dif-dificil {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.achievement-difficulty.dif-muy_dificil {
    background: rgba(168, 85, 247, 0.2);
    color: #a855f7;
}

.achievement-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.achievement-date {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--success);
    margin-top: 0.5rem;
}

.achievement-locked {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Colores de dificultad en las tarjetas */
.achievement-card.dif-facil.unlocked {
    border-color: var(--success);
}

.achievement-card.dif-medio.unlocked {
    border-color: var(--warning);
}

.achievement-card.dif-dificil.unlocked {
    border-color: var(--danger);
}

.achievement-card.dif-muy_dificil.unlocked {
    border-color: #a855f7;
}

/* Responsive */
@media (max-width: 768px) {
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-back {
        position: static;
        transform: none;
        margin-bottom: 1rem;
    }
}