/* ============================================
   SPIKTOUS — CSS Principal
   ============================================ */

/* --- Variables CSS — Elegant Corail & Turquoise --- */
:root {
    --color-primary: #FF7F7F;
    --color-primary-dark: #e86565;
    --color-secondary: #2D3748;
    --color-secondary-light: #4A5568;
    --color-light: #FFF5EE;
    --color-accent: #5CC8C8;
    --color-accent-dark: #3AABAB;
    --color-white: #ffffff;
    --color-gray-100: #faf8f6;
    --color-gray-200: #f0ece8;
    --color-gray-300: #e2ddd8;
    --color-gray-500: #a8a0a0;
    --color-gray-700: #5a5252;
    --color-gray-900: #2D2424;
    --color-success: #56C596;
    --color-danger: #FF7F7F;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 15px;
    --font-size-sm: 0.85rem;
    --font-size-lg: 1.1rem;
    --font-size-xl: 1.45rem;
    --font-size-2xl: 1.9rem;
    --font-size-3xl: 2.4rem;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 50%;

    --shadow-sm: 0 2px 8px rgba(45,39,39,0.06);
    --shadow-md: 0 4px 20px rgba(45,39,39,0.08);
    --shadow-lg: 0 8px 40px rgba(45,39,39,0.10);

    --transition: 0.25s ease;
}

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

html {
    font-size: var(--font-size-base);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    color: var(--color-gray-900);
    background: var(--color-light);
    line-height: 1.65;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-accent-dark);
    text-decoration: none;
    transition: color var(--transition);
}

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

img { max-width: 100%; }

/* --- Container --- */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* --- Header --- */
.site-header {
    background: var(--color-white);
    color: var(--color-secondary);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--color-gray-200);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-secondary);
    letter-spacing: 2px;
}

.logo span {
    color: var(--color-primary);
}

.logo:hover {
    color: var(--color-secondary);
}

.main-nav {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-gray-700);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition);
}

.nav-link:hover {
    color: var(--color-secondary);
    background: var(--color-gray-100);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-name {
    font-weight: 600;
    color: var(--color-secondary);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0.55rem 1.2rem;
    border: 2px solid transparent;
    border-radius: 999px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn-sm {
    padding: 0.3rem 0.8rem;
    font-size: 0.78rem;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255,127,127,0.3);
}

.btn-outline {
    background: var(--color-white);
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

.btn-outline:hover {
    background: var(--color-gray-100);
    border-color: var(--color-gray-500);
    color: var(--color-secondary);
}

.btn-danger {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-block {
    display: flex;
    width: 100%;
}

/* --- Alerts --- */
.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.alert-error {
    background: #fde8e8;
    color: #c62d39;
    border-left: 4px solid var(--color-primary);
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid var(--color-success);
}

/* --- Main --- */
.site-main {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

/* --- Team Grid (employee view) --- */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-sm);
}

.team-member-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.team-member-card:hover {
    background: var(--color-gray-200);
}

.team-member-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.7rem;
    flex-shrink: 0;
}

.team-member-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.team-member-info strong {
    font-size: var(--font-size-sm);
    color: var(--color-secondary);
}

.team-member-action {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

/* --- Duel Row --- */
.duel-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-200);
    flex-wrap: wrap;
}

.duel-row:last-child {
    border-bottom: none;
}

.duel-row-players {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
}

.duel-player-name.is-me {
    color: var(--color-primary);
}

.duel-vs {
    font-weight: 800;
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

/* --- Challenge Row --- */
.challenge-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.challenge-row:last-child {
    border-bottom: none;
}

.challenge-row-info {
    flex: 1;
}

.challenge-row-info strong {
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
}

/* --- Admin Logs Timeline --- */
.logs-timeline {
    max-width: 700px;
}

.logs-date-separator {
    font-weight: 800;
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: var(--spacing-md) 0 var(--spacing-sm);
    border-bottom: 2px solid var(--color-gray-200);
    margin-bottom: var(--spacing-sm);
}

.log-entry {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    border-radius: 50%;
}

.log-content {
    flex: 1;
}

.log-action {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.log-action strong {
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
}

.log-target {
    background: var(--color-gray-100);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    font-weight: 600;
}

.log-details {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin: 2px 0 0;
}

.log-time {
    font-size: 0.7rem;
    color: var(--color-gray-500);
}

/* --- Sociogram --- */
.sociogram-legend {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.legend-line {
    width: 24px;
    height: 3px;
    background: var(--color-gray-500);
    border-radius: 2px;
    flex-shrink: 0;
}

.sociogram-empty {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.sociogram-empty-nodes {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.sociogram-empty-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0.5;
}

.sociogram-empty-node span {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.sociogram-empty-text {
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

/* --- Cognitive Radar Section --- */
.cognitive-radar-section {
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.cognitive-radar-section h2 {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

/* --- Welcome Tips --- */
.welcome-tip {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, #e8f4fd, #f0f9ff);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.welcome-tip-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.welcome-tip strong {
    color: var(--color-secondary);
}

.welcome-tip a {
    font-weight: 600;
}

/* --- Onboarding Banner --- */
.onboarding-banner {
    background: linear-gradient(90deg, #457B9D, #1D3557);
    color: var(--color-white);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* --- Footer --- */
.site-footer {
    background: var(--color-white);
    color: var(--color-gray-500);
    text-align: center;
    padding: var(--spacing-lg) 0;
    font-size: var(--font-size-sm);
    border-top: 1px solid var(--color-gray-200);
}

/* --- Page Header --- */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-header h1 {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.page-header p {
    color: var(--color-gray-700);
    font-size: var(--font-size-lg);
}

/* --- Forms --- */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex: 1;
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
}

.form-group label {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color var(--transition);
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* --- Captcha --- */
.captcha-group {
    background: var(--color-gray-100);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border: 2px dashed var(--color-accent-dark);
}

.captcha-group label {
    color: var(--color-secondary);
}

.captcha-group strong {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    letter-spacing: 2px;
}

.captcha-group input {
    max-width: 150px;
}

/* --- Auth Pages --- */
.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.auth-card {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 460px;
}

.auth-card h1 {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    text-align: center;
    margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
    text-align: center;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
}

.auth-link {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--color-gray-700);
}

/* --- Games Grid --- */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.game-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
    color: var(--color-gray-900);
    text-decoration: none;
}

.game-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    color: var(--color-gray-900);
}

.game-card-header {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--color-gray-200);
}

.game-category {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.game-card-body {
    padding: var(--spacing-md);
    flex: 1;
}

.game-card-body h2 {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.game-card-body p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.game-card-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--color-gray-200);
    font-size: var(--font-size-sm);
}

.game-best-score {
    color: var(--color-gray-700);
}

/* --- Difficulty Selector --- */
.difficulty-select {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.difficulty-select h2 {
    font-size: var(--font-size-xl);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xl);
}

.difficulty-options {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-difficulty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-lg) var(--spacing-xl);
    min-width: 140px;
    transition: all var(--transition);
}

.btn-difficulty:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.difficulty-stars {
    color: #f0ad4e;
    font-size: var(--font-size-lg);
}

/* --- All Games Common --- */
.game-page {
    max-width: 700px;
    margin: 0 auto;
}

.game-page.wide {
    max-width: 900px;
}

/* --- Sequence Logic --- */
.sequence-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.sequence-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm);
}

.sequence-arrow {
    font-size: var(--font-size-xl);
    color: var(--color-gray-500);
}

.sequence-question {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary);
}

.answer-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.answer-option {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 3px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
}

.answer-option:hover {
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.answer-option.correct {
    border-color: var(--color-success);
    background: #d4edda;
}

.answer-option.wrong {
    border-color: var(--color-primary);
    background: #fde8e8;
}

/* --- Speed Click --- */
.speed-board {
    position: relative;
    width: 100%;
    height: 400px;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: crosshair;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.speed-target {
    position: absolute;
    cursor: pointer;
    transition: transform 0.1s ease;
    z-index: 2;
}

.speed-target:hover {
    transform: scale(1.1);
}

.countdown-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    font-weight: 800;
    color: var(--color-secondary);
    background: rgba(255, 255, 255, 0.9);
    z-index: 10;
}

/* --- Spot Difference --- */
.grids-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.grid-label {
    text-align: center;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.spot-grid {
    display: grid;
    gap: 3px;
    background: var(--color-white);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.spot-cell {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.spot-cell.found {
    background: #d4edda;
    box-shadow: inset 0 0 0 3px var(--color-success);
}

.spot-cell.wrong {
    animation: shapeShake 0.4s ease;
    background: #fde8e8;
}

.spot-cell.original {
    cursor: default;
}

/* --- Focus Timer --- */
.focus-zone {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 350px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    margin-bottom: var(--spacing-lg);
    transition: background 0.15s ease;
    user-select: none;
    position: relative;
}

.focus-zone:active {
    background: var(--color-gray-100);
}

.focus-instruction {
    position: absolute;
    bottom: var(--spacing-md);
    left: 0;
    right: 0;
    text-align: center;
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(to right, var(--color-accent-dark), var(--color-primary));
    transition: width 1s linear;
    border-radius: 4px;
}

/* --- Color Match (Stroop) --- */
.stroop-display {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.stroop-word {
    font-size: 3.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.stroop-hint {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.round-timer-bar {
    width: 100%;
    height: 6px;
    background: var(--color-gray-200);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.round-timer-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 3px;
    transition: width linear;
}

.shape-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.shape-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 3px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    min-width: 90px;
    min-height: 90px;
}

.shape-btn:hover {
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.shape-btn.correct {
    border-color: var(--color-success);
    background: #d4edda;
}

.shape-btn.wrong {
    border-color: var(--color-primary);
    background: #fde8e8;
}

/* --- Memory Game --- */

.game-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.game-header h1 {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
}

.game-stats-bar {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.stat {
    text-align: center;
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-secondary);
}

.memory-board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    perspective: 1000px;
}

.memory-card {
    aspect-ratio: 1;
    cursor: pointer;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.5s ease;
}

.memory-card.flipped {
    transform: rotateY(180deg);
}

.memory-card.matched {
    transform: rotateY(180deg);
}

.memory-card.matched .card-front,
.memory-card.matched .card-back {
    box-shadow: 0 0 12px var(--color-success);
}

.card-front, .card-back {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    backface-visibility: hidden;
    font-size: 2rem;
}

.card-front {
    background: var(--color-secondary);
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 800;
}

.card-back {
    background: var(--color-white);
    border: 3px solid var(--color-accent);
    transform: rotateY(180deg);
    font-size: 2.5rem;
}

.game-result {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.game-result h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.game-result p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.game-result .btn {
    margin: var(--spacing-sm);
}

/* --- Sequence Logic --- */
.sequence-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.sequence-label {
    width: 100%;
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
}

.sequence-items {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.sequence-item {
    padding: var(--spacing-sm);
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sequence-arrow {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    margin: 0 var(--spacing-sm);
}

.sequence-unknown {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: bold;
    color: var(--color-primary);
    border: 3px dashed var(--color-primary);
    border-radius: var(--radius-md);
    background: var(--color-gray-100);
}

.sequence-unknown-revealed {
    border-style: solid;
    border-color: var(--color-success);
    background: var(--color-white);
}

.sequence-options {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.sequence-option-btn {
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sequence-option-btn:hover:not(:disabled) {
    border-color: var(--color-secondary);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.sequence-option-btn:disabled {
    cursor: default;
    opacity: 0.8;
}

.sequence-option-btn.option-correct {
    border-color: var(--color-success);
    background: rgba(45, 155, 78, 0.1);
    box-shadow: 0 0 0 3px rgba(45, 155, 78, 0.2);
}

.sequence-option-btn.option-wrong {
    border-color: var(--color-danger);
    background: rgba(230, 57, 70, 0.1);
    animation: shapeShake 0.4s ease;
}

/* --- Speed Click --- */
.speed-board {
    position: relative;
    width: 100%;
    min-height: 400px;
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-gray-300);
    overflow: hidden;
    cursor: crosshair;
    user-select: none;
    -webkit-user-select: none;
}

.speed-countdown {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 5rem;
    font-weight: bold;
    color: var(--color-secondary);
    animation: speedCountPulse 0.6s ease;
}

@keyframes speedCountPulse {
    0% { transform: translate(-50%, -50%) scale(0.5); opacity: 0; }
    50% { transform: translate(-50%, -50%) scale(1.2); }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

.speed-target {
    position: absolute;
    animation: speedTargetAppear 0.15s ease-out;
    transition: transform 0.1s ease;
    z-index: 1;
}

.speed-target:hover {
    transform: scale(1.1);
}

@keyframes speedTargetAppear {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.speed-target-hit {
    animation: speedTargetHit 0.2s ease forwards;
}

@keyframes speedTargetHit {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.3); opacity: 0; }
}

.speed-target-miss {
    animation: speedTargetMiss 0.3s ease forwards;
}

@keyframes speedTargetMiss {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(0.8); opacity: 0.5; }
    100% { transform: scale(0.5); opacity: 0; }
}

/* --- Spot Difference Game --- */
.game-page-wide {
    max-width: 900px;
}

.spot-container {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    align-items: flex-start;
}

.spot-panel {
    flex: 1;
    max-width: 400px;
}

.spot-panel-label {
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.spot-grid {
    display: grid;
    gap: 4px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
}

.spot-cell {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.spot-cell-clickable {
    cursor: pointer;
}

.spot-cell-clickable:hover {
    background: var(--color-gray-200);
}

.spot-cell.spot-found {
    background: rgba(45, 155, 78, 0.15);
    box-shadow: inset 0 0 0 3px var(--color-success);
}

.spot-cell.spot-error {
    background: rgba(230, 57, 70, 0.15);
    box-shadow: inset 0 0 0 3px var(--color-danger);
}

/* --- Focus Timer Game --- */
.focus-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.focus-zone {
    width: 300px;
    height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    position: relative;
    user-select: none;
    -webkit-user-select: none;
    transition: box-shadow 0.2s ease;
}

.focus-zone:hover {
    box-shadow: var(--shadow-lg);
}

.focus-zone:active {
    box-shadow: var(--shadow-sm);
}

.focus-shape-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
}

.focus-feedback {
    position: absolute;
    bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: 800;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.focus-feedback-hit {
    color: var(--color-success);
    opacity: 1;
}

.focus-feedback-miss {
    color: var(--color-danger);
    opacity: 1;
}

.focus-feedback-false-alarm {
    color: #f0ad4e;
    opacity: 1;
}

.focus-progress-wrapper {
    width: 100%;
    height: 8px;
    background: var(--color-gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin-top: var(--spacing-md);
}

.focus-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-accent-dark), var(--color-primary));
    border-radius: 4px;
    transition: width 0.1s linear;
}

/* --- Leaderboard --- */
.leaderboard-nav {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.leaderboard-table-wrap {
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

.leaderboard-table-wrap h2 {
    padding: var(--spacing-md);
    color: var(--color-secondary);
    font-size: var(--font-size-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
}

.leaderboard-table th,
.leaderboard-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
}

.leaderboard-table th {
    background: var(--color-gray-100);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gray-700);
    font-weight: 600;
}

.leaderboard-table tbody tr {
    border-bottom: 1px solid var(--color-gray-200);
    transition: background var(--transition);
}

.leaderboard-table tbody tr:hover {
    background: var(--color-gray-100);
}

.leaderboard-table .rank {
    font-weight: 800;
    color: var(--color-secondary);
}

.leaderboard-table .score {
    font-weight: 700;
    color: var(--color-primary);
}

.leaderboard-table tr.top-1 .rank { color: #ffd700; font-size: var(--font-size-lg); }
.leaderboard-table tr.top-2 .rank { color: #c0c0c0; font-size: var(--font-size-lg); }
.leaderboard-table tr.top-3 .rank { color: #cd7f32; font-size: var(--font-size-lg); }

/* --- Dashboard --- */
.dashboard-kpis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.kpi-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.kpi-value {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary);
}

.kpi-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.dashboard-nav {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* --- Charts CSS --- */
.chart-section {
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.chart-section h2 {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Bar chart vertical */
.bar-chart {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    height: 200px;
    padding: var(--spacing-sm) 0;
}

.bar-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: flex-end;
}

.bar-value {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.bar {
    width: 100%;
    max-width: 48px;
    background: linear-gradient(to top, var(--color-primary), var(--color-accent-dark));
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    position: relative;
    transition: height 0.5s ease;
    cursor: pointer;
}

.bar:hover {
    opacity: 0.85;
}

.bar-tooltip {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    white-space: nowrap;
    margin-bottom: var(--spacing-xs);
}

.bar:hover .bar-tooltip {
    display: block;
}

.bar-label {
    font-size: 0.75rem;
    color: var(--color-gray-700);
    margin-top: var(--spacing-xs);
}

/* Horizontal bar chart */
.h-bar-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.h-bar-name {
    min-width: 80px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-secondary);
    text-align: right;
}

.h-bar-track {
    flex: 1;
    height: 24px;
    background: var(--color-gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.h-bar-fill {
    height: 100%;
    background: linear-gradient(to right, var(--color-accent-dark), var(--color-primary));
    border-radius: var(--radius-sm);
    transition: width 0.5s ease;
}

.h-bar-value {
    min-width: 40px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-primary);
}

/* Top players */
.top-player {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.top-player:last-child {
    border-bottom: none;
}

.top-rank {
    font-weight: 800;
    color: var(--color-primary);
    min-width: 30px;
}

.top-name {
    flex: 1;
    font-weight: 600;
    color: var(--color-secondary);
}

.top-stat {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.top-score {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-accent-dark);
    min-width: 70px;
    text-align: right;
}

/* --- Badges --- */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: capitalize;
}

.badge-employee { background: var(--color-accent); color: var(--color-secondary); }
.badge-manager { background: var(--color-primary); color: var(--color-white); }
.badge-admin { background: var(--color-secondary); color: var(--color-white); }
.badge-free { background: var(--color-gray-200); color: var(--color-gray-700); }
.badge-pro { background: #f0ad4e; color: var(--color-white); }

/* --- Role Select (admin) --- */
.role-select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    cursor: pointer;
    background: var(--color-white);
    transition: border-color var(--transition);
}

.role-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* --- Empty State Card --- */
.empty-state-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.empty-state-card h2 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-card p {
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
}

/* --- Profile --- */
.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.profile-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.profile-card h2 {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-gray-200);
}

.profile-info {
    text-align: center;
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.form-hint {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

/* --- Reset Link Box --- */
.reset-link-box {
    background: var(--color-gray-100);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    border: 2px solid var(--color-success);
}

.reset-link-input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-family: monospace;
    margin: var(--spacing-sm) 0;
    cursor: pointer;
}

/* --- Invite Section --- */
.invite-section {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.invite-section h2 {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.invite-section p {
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

code {
    background: var(--color-gray-100);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: var(--font-size-sm);
    color: var(--color-secondary);
    font-weight: 600;
}

/* --- Hamburger Menu --- */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--color-secondary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* --- Alerts Dashboard --- */
.alerts-overview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.alert-type-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    opacity: 0.5;
    transition: all var(--transition);
}

.alert-type-card.alert-type-active {
    opacity: 1;
    box-shadow: var(--shadow-md);
}

.alert-type-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.alert-type-count {
    font-size: var(--font-size-2xl);
    font-weight: 800;
}

.alert-type-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.alert-type-users {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

.section-title-left {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.alerts-by-user {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.user-alert-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.user-alert-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: background var(--transition);
}

.user-alert-header:hover {
    background: var(--color-gray-100);
}

.user-alert-name {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-alert-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.user-alert-badges {
    display: flex;
    align-items: center;
    gap: 6px;
}

.user-alert-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--color-white);
}

.user-alert-count {
    font-weight: 700;
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    min-width: 20px;
    text-align: center;
}

.user-alert-chevron {
    font-size: 0.7rem;
    color: var(--color-gray-500);
    transition: transform 0.2s ease;
}

.user-alert-card.open .user-alert-chevron {
    transform: rotate(180deg);
}

.user-alert-details {
    display: none;
    border-top: 1px solid var(--color-gray-200);
}

.user-alert-card.open .user-alert-details {
    display: block;
}

.user-alert-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-100);
}

.user-alert-item:last-child {
    border-bottom: none;
}

.user-alert-item-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    flex: 1;
}

.user-alert-msg {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.user-alert-date {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.user-alert-action {
    flex-shrink: 0;
    margin-left: var(--spacing-sm);
}

.badge-warning { background: #f0ad4e; color: var(--color-white); }
.badge-danger { background: #E63946; color: var(--color-white); }
.badge-muted { background: var(--color-gray-300); color: var(--color-gray-700); }
.badge-success { background: var(--color-success); color: var(--color-white); }

/* --- Alert Detail Page --- */
.alert-detail-banner {
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.alert-detail-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.alert-detail-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.alert-detail-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.alert-detail-message {
    font-size: var(--font-size-lg);
    color: var(--color-gray-900);
    font-weight: 500;
    margin: 0;
}

.alert-detail-actions {
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.alert-detail-actions textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    resize: vertical;
}

.alert-detail-actions textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

@media (max-width: 768px) {
    .alerts-overview {
        grid-template-columns: repeat(2, 1fr);
    }

    .user-alert-item-content {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .alerts-overview {
        grid-template-columns: 1fr;
    }
}

/* --- Error Page --- */
.error-page {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.error-page h1 {
    font-size: 6rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.error-page p {
    font-size: var(--font-size-xl);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-gray-500);
    font-style: italic;
}

/* ============================================
   LANDING PAGE
   ============================================ */

/* --- Landing Layout --- */
.landing-header {
    background: var(--color-secondary);
    padding: var(--spacing-md) 0;
}

.landing-nav {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.landing-main {
    flex: 1;
}

/* --- Hero --- */
.hero {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: 5rem 0 4rem;
    text-align: center;
}

.hero-inner {
    max-width: 720px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.hero-title span {
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-accent);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: var(--font-size-lg);
}

.btn-outline-light {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

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

/* --- Landing Sections --- */
.landing-section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-2xl);
}

.section-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Benefits --- */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.benefit-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.benefit-card p {
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* --- How it Works --- */
.how-it-works {
    background: var(--color-gray-100);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    text-align: center;
}

.step-number {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.step h3 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.step p {
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* --- For Managers --- */
.for-managers {
    text-align: center;
}

.manager-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.manager-feature {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.manager-feature strong {
    display: block;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.manager-feature p {
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
}

/* --- CTA Section --- */
.cta-section {
    background: var(--color-secondary);
    color: var(--color-white);
    text-align: center;
}

.cta-section h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.cta-section p {
    font-size: var(--font-size-lg);
    color: var(--color-accent);
    margin-bottom: var(--spacing-xl);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
        position: relative;
    }

    .hamburger {
        display: flex;
    }

    .main-nav,
    .user-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) 0;
    }

    .main-nav.open,
    .user-menu.open {
        display: flex;
    }

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

    .form-row {
        flex-direction: column;
    }

    .game-stats-bar {
        gap: var(--spacing-md);
    }

    .memory-board {
        gap: 6px;
    }

    .card-back {
        font-size: 1.8rem;
    }

    .card-front {
        font-size: 1.2rem;
    }

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

    .sequence-display {
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }

    .sequence-items {
        gap: var(--spacing-sm);
    }

    .sequence-options {
        gap: var(--spacing-md);
    }

    .speed-board {
        min-height: 300px;
    }

    .spot-container {
        flex-direction: column;
        align-items: center;
    }

    .spot-panel {
        max-width: 100%;
        width: 100%;
    }

    .focus-zone {
        width: 250px;
        height: 250px;
    }

    .leaderboard-table th,
    .leaderboard-table td {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-sm);
    }

    /* Landing responsive */
    .hero-title {
        font-size: 2rem;
    }

    .benefits-grid,
    .steps {
        grid-template-columns: 1fr;
    }

    .manager-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: var(--spacing-lg);
    }

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

    .leaderboard-nav {
        flex-direction: column;
    }

    .leaderboard-nav .btn {
        width: 100%;
    }

    /* Landing responsive */
    .hero {
        padding: 3rem 0 2.5rem;
    }

    .hero-title {
        font-size: 1.6rem;
    }

    .hero-cta .btn-lg {
        width: 100%;
    }

    .landing-section {
        padding: 2.5rem 0;
    }
}