/* ========================================
   LEARNSKART DAILY PATH PUZZLE - STYLESHEET
   Mobile-first, responsive, blue theme
   ======================================== */

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

:root {
    /* Color Palette */
    --color-primary: #2563eb;        /* Blue */
    --color-primary-light: #3b82f6;  /* Light Blue */
    --color-primary-lighter: #dbeafe; /* Very Light Blue */
    --color-success: #10b981;        /* Green */
    --color-warning: #f59e0b;        /* Orange */
    --color-danger: #ef4444;         /* Red */
    --color-dark: #1f2937;           /* Dark Gray */
    --color-light: #f3f4f6;          /* Light Gray */
    --color-white: #ffffff;
    --color-text: #374151;
    --color-text-light: #6b7280;
    --color-border: #e5e7eb;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html, body {
    width: 100%;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: linear-gradient(135deg, #ecf0f7 0%, #d9e8f5 50%, #cfe7f3 100%);
    color: var(--color-text);
    overflow-x: hidden;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.game-container {
    width: 100%;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* ========================================
   HEADER
   ======================================== */

.game-header {
    padding: var(--spacing-md) var(--spacing-md);
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
    color: var(--color-white);
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.25), 0 4px 8px rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.game-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1), transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.1), transparent 50%);
    pointer-events: none;
}

.header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: 0;
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
    width: 100%;
}

.brand-cluster {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1 1 auto;
    min-width: 0;
    flex-wrap: wrap;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    color: var(--color-white);
    text-transform: uppercase;
}

.logo-text {
    white-space: nowrap;
}

.logo-img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    filter: drop-shadow(0 3px 8px rgba(15, 23, 42, 0.35));
}

.header-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex: 0 0 auto;
}

.site-logo {
    width: clamp(36px, 8vw, 52px);
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(15, 23, 42, 0.25));
}

.hamburger-btn {
    width: 44px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 12px;
    background: transparent;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: transform var(--transition-fast), border var(--transition-fast);
}

.hamburger-btn span {
    width: 20px;
    height: 2px;
    background: var(--color-white);
    border-radius: 4px;
}

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

.game-title {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-align: center;
    width: 100%;
}

.streak-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.15);
    padding: 3px 8px;
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    animation: streak-pulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

.streak-icon {
    font-size: 1.1rem;
}

.streak-info {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.streak-label {
    font-size: 0.55rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.8;
}

.streak-count {
    font-size: 1rem;
    font-weight: 700;
}

.header-stats {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    opacity: 0.9;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
}

.target-word {
    letter-spacing: 2px;
    font-size: 1.5rem;
}

/* ========================================
   GAME AREA
   ======================================== */

.game-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-md);
    overflow-y: auto;
}

.grid-wrapper {
    position: relative;
    width: min(92vw, 560px);
    margin: 0 auto;
    aspect-ratio: 1;
    background: linear-gradient(135deg, #f8fbff 0%, #edf5ff 60%, #dfe9ff 100%);
    border-radius: 28px;
    padding: clamp(0.75rem, 2vw, 1.25rem);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
    border: 1px solid rgba(148, 163, 184, 0.35);
    overflow: hidden;
}

.game-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    grid-template-rows: repeat(6, minmax(0, 1fr));
    gap: clamp(0.35rem, 1.5vw, 0.75rem);
    width: 100%;
    height: 100%;
    border-radius: 20px;
}

body.menu-open {
    overflow: hidden;
}

.menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.65);
    z-index: 1500;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

body.menu-open #menuBackdrop {
    display: block;
    opacity: 1;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(80vw, 320px);
    max-height: 90vh;
    background: linear-gradient(135deg, #ffffff 0%, #f0f5ff 100%);
    color: var(--color-text);
    padding: var(--spacing-lg);
    z-index: 1600;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    border-left: 1px solid var(--color-border);
    box-shadow: -4px 0 16px rgba(15, 23, 42, 0.1);
    overflow-y: auto;
}

body.menu-open #mobileMenu {
    transform: translateX(0);
}

.menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-primary);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-primary-lighter);
}

.menu-close {
    background: transparent;
    border: none;
    color: var(--color-primary);
    font-size: 1.8rem;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.menu-close:hover {
    transform: rotate(90deg);
}

.menu-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.menu-list a,
.menu-list button {
    color: var(--color-text);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: var(--radius-md);
}

.menu-list a:hover,
.menu-list button:hover {
    color: var(--color-primary);
    background: rgba(37, 99, 235, 0.08);
    padding-left: var(--spacing-lg);
}

.grid-tile {
    position: relative;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1.25rem, 4vw, 2.35rem);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #0f172a;
    background: linear-gradient(160deg, #ffffff 0%, #f1f5f9 100%);
    border-radius: 16px;
    border: 3px solid #d7e1f0;
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.12), inset 0 2px 4px rgba(255, 255, 255, 0.8);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

.grid-tile.letter {
    color: #0f172a;
}

.grid-tile.visited {
    border-color: #60a5fa;
    background: linear-gradient(150deg, #e0efff 0%, #d1e5ff 100%);
    color: #1d4ed8;
    box-shadow: 0 0 18px rgba(96, 165, 250, 0.35);
}

.grid-tile.current {
    border-color: #2563eb;
    background: linear-gradient(145deg, #2563eb 0%, #3b82f6 50%, #1e40af 100%);
    color: #ffffff;
    box-shadow: 0 18px 30px rgba(37, 99, 235, 0.45);
    transform: translateY(-4px) scale(1.02);
}

.grid-wrapper.path-celebrate {
    box-shadow: 0 0 45px rgba(59, 130, 246, 0.45), 0 20px 40px rgba(15, 23, 42, 0.35);
}

.grid-tile::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at 25% 20%, rgba(255, 255, 255, 0.8), transparent 55%);
    pointer-events: none;
}

.grid-tile:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 30px rgba(37, 99, 235, 0.25);
    border-color: #93c5fd;
}

.grid-tile:active {
    transform: translateY(-1px) scale(0.97);
}

.grid-tile.in-path {
    border-color: #60a5fa;
    background: linear-gradient(150deg, #e0efff 0%, #d1e5ff 100%);
    color: #1d4ed8;
    box-shadow: 0 0 20px rgba(96, 165, 250, 0.45);
    animation: pulse-glow 2s ease-in-out infinite;
}

.grid-tile.selected {
    border-color: #2563eb;
    background: linear-gradient(145deg, #2563eb 0%, #3b82f6 50%, #1e40af 100%);
    color: #ffffff;
    transform: translateY(-6px) scale(1.05);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.45);
    text-shadow: 0 4px 12px rgba(15, 23, 42, 0.4);
    animation: selected-bounce 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.grid-tile.wrong-move {
    animation: shake 0.4s ease;
    border-color: #f87171;
    background: linear-gradient(145deg, #fee2e2 0%, #fecaca 100%);
    color: #b91c1c;
}

.grid-tile.unvisited-indicator {
    animation: pulse-unvisited 1s ease infinite;
}

.grid-tile.final-reached {
    animation: pulse 0.6s ease infinite;
}

/* Path Canvas */
.path-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Unvisited and Complete Hints */
.unvisited-hint,
.word-complete-hint {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-danger);
    color: var(--color-white);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    animation: slideDown var(--transition-normal);
}

.word-complete-hint {
    background: var(--color-warning);
}

/* ========================================
   CONTROLS
   ======================================== */

.controls {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    color: var(--color-white);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
    font-weight: 700;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    color: var(--color-text);
    border: 2px solid #cbd5e1;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #e5e7eb 0%, #d1d5db 100%);
    border-color: #9ca3af;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================================
   MODALS
   ======================================== */

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
    animation: fadeIn var(--transition-normal);
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp var(--transition-normal);
}

.completion-modal {
    text-align: center;
    max-width: 500px;
}

.completion-celebration {
    position: relative;
}

.confetti {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.confetti-item {
    position: fixed;
    pointer-events: none;
    font-size: 2rem;
    animation: confetti-fall 3s ease-out forwards;
}

#completionTitle {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.completion-stats {
    background: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    font-size: 1.125rem;
}

.stat-row .label {
    font-weight: 600;
    color: var(--color-text);
}

.stat-row .value {
    font-weight: 700;
    color: var(--color-primary);
    font-family: 'Courier New', monospace;
}

.top-rank-banner {
    display: none;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(59, 130, 246, 0.12) 100%);
    border: 1px solid rgba(37, 99, 235, 0.2);
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.15);
    margin-bottom: var(--spacing-lg);
    transform: scale(0.9);
    opacity: 0;
}

.top-rank-banner.show {
    display: flex;
    animation: bannerPop 0.6s ease forwards;
}

.top-rank-banner.rank-1 {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2) 0%, rgba(251, 146, 60, 0.2) 100%);
    border-color: rgba(251, 191, 36, 0.5);
}

.top-rank-banner.rank-2 {
    background: linear-gradient(135deg, rgba(148, 163, 184, 0.25) 0%, rgba(203, 213, 225, 0.2) 100%);
    border-color: rgba(148, 163, 184, 0.5);
}

.top-rank-banner.rank-3 {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.2) 0%, rgba(251, 146, 60, 0.2) 100%);
    border-color: rgba(249, 115, 22, 0.5);
}

.top-rank-medal {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-primary);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.15);
}

.top-rank-copy {
    display: flex;
    flex-direction: column;
}

.top-rank-title {
    font-size: 1.125rem;
    font-weight: 800;
    color: #0f172a;
}

.top-rank-subtitle {
    font-size: 0.95rem;
    color: var(--color-text);
    margin-top: 4px;
}

/* Name Input Section */
.name-input-section {
    margin: var(--spacing-lg) 0;
    text-align: left;
}

.input-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text);
}

.name-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
    font-family: inherit;
}

.name-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.name-input.error {
    border-color: var(--color-danger);
}

.name-validation {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-light);
    min-height: 1.25rem;
}

.name-validation.error {
    color: var(--color-danger);
}

/* Leaderboard Section */
.leaderboard-section {
    margin: var(--spacing-lg) 0;
    text-align: left;
}

.leaderboard-section h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.leaderboard {
    background: var(--color-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.leaderboard-entry {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    align-items: center;
}

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

.leaderboard-entry.current-user {
    background: rgba(16, 185, 129, 0.12);
    border-left: 4px solid var(--color-success);
}

.leaderboard-entry .rank {
    width: 2rem;
    text-align: center;
    font-weight: 700;
    color: var(--color-primary);
}

.leaderboard-entry .name {
    flex: 1;
    font-weight: 600;
}

.leaderboard-entry .time {
    font-family: 'Courier New', monospace;
    color: var(--color-text-light);
}

.leaderboard-rank {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.leaderboard-rank.top-3 {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

.leaderboard-rank.top-2 {
    background: linear-gradient(135deg, #c0c7d8 0%, #9a9fad 100%);
}

.leaderboard-rank.top-1 {
    background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%);
    font-size: 1rem;
}

.leaderboard-rank.top-1::before {
    content: '👑';
    margin-right: var(--spacing-xs);
}

.leaderboard-info {
    flex: 1;
}

.leaderboard-name {
    font-weight: 700;
    color: var(--color-text);
}

.leaderboard-time {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.leaderboard-entry.current {
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius-md);
}

.your-rank {
    padding: var(--spacing-md);
    background: var(--color-primary-lighter);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    font-weight: 600;
}

.submission-limit {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(239, 68, 68, 0.1);
    border-left: 4px solid var(--color-danger);
    border-radius: var(--radius-md);
    color: var(--color-danger);
    font-weight: 600;
}

/* Enhanced Leaderboard Styles */
.leaderboard-entry .rank-emoji {
    width: 2rem;
    text-align: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.leaderboard-entry.rank-1 {
    background: linear-gradient(135deg, rgba(253, 224, 71, 0.1) 0%, rgba(251, 191, 36, 0.08) 100%);
    border-left: 4px solid #fbbf24;
}

.leaderboard-entry.rank-2 {
    background: linear-gradient(135deg, rgba(203, 213, 225, 0.1) 0%, rgba(203, 213, 225, 0.08) 100%);
    border-left: 4px solid #cbd5e1;
}

.leaderboard-entry.rank-3 {
    background: linear-gradient(135deg, rgba(251, 146, 60, 0.1) 0%, rgba(251, 146, 60, 0.08) 100%);
    border-left: 4px solid #fb923c;
}

.animated-emoji {
    display: inline-block;
    animation: emoji-bounce 0.6s ease-in-out infinite;
}

@keyframes emoji-bounce {
    0%, 100% {
        transform: scale(1) translateY(0);
    }
    50% {
        transform: scale(1.15) translateY(-4px);
    }
}

.no-scores,
.error-message {
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--color-text-light);
    font-weight: 600;
}

.error-message {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-md);
}

.attempt-note {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

/* Modal Buttons */
.modal-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.modal-buttons .btn {
    flex: 1;
}

/* ========================================
   LOADING & TOASTS
   ======================================== */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    gap: var(--spacing-lg);
}

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

.loading-overlay p {
    font-weight: 600;
    color: var(--color-text);
}

.toast {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-danger);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: slideUp var(--transition-normal);
    z-index: 999;
}

.leaderboard-overlay {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.7);
    z-index: 1700;
    padding: var(--spacing-md);
}

body.leaderboard-open .leaderboard-overlay {
    display: flex;
}

.leaderboard-panel {
    width: min(640px, 95vw);
    max-height: 90vh;
    background: var(--color-white);
    border-radius: 24px;
    padding: var(--spacing-xl);
    box-shadow: 0 30px 60px rgba(15, 23, 42, 0.35);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    animation: slideUp var(--transition-normal);
}

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

.panel-label {
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--color-text-light);
}

.panel-close {
    border: none;
    background: #e2e8f0;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    color: #0f172a;
    transition: transform var(--transition-fast);
}

.panel-close:hover {
    transform: rotate(90deg);
}

.panel-body {
    overflow-y: auto;
    max-height: 60vh;
}

.attempt-limit-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.75);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1800;
    padding: var(--spacing-md);
    backdrop-filter: blur(2px);
}

.attempt-card {
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
    border-radius: 28px;
    padding: clamp(1.5rem, 5vw, 2.5rem);
    text-align: center;
    max-width: 480px;
    box-shadow: 0 30px 60px rgba(15, 23, 42, 0.2), 0 0 40px rgba(37, 99, 235, 0.1);
    animation: scaleIn var(--transition-normal), cardGlow 3s ease-in-out infinite;
    border: 1px solid rgba(37, 99, 235, 0.2);
    position: relative;
    overflow: hidden;
}

.attempt-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.attempt-card::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -30%;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.attempt-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.attempt-card p {
    position: relative;
    z-index: 1;
}

.attempt-card p:first-of-type {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.attempt-card .attempt-note {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}

body.attempt-locked .grid-wrapper,
body.attempt-locked .controls {
    pointer-events: none;
    filter: grayscale(0.6);
    opacity: 0.6;
}

.attempt-card .btn-primary {
    width: auto;
    padding: 0.675rem 1.5rem;
    font-size: 1rem;
    position: relative;
    z-index: 2;
    min-height: 46px;
    border-radius: 999px;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
    margin: 0 auto;
}

.attempt-card .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.45);
}

.attempt-card .btn-primary:active {
    transform: translateY(-1px) scale(0.99);
}

/* ========================================
   FOOTER
   ======================================== */

.site-footer {
    background: linear-gradient(135deg, #e0ecff 0%, #f8fbff 100%);
    border-top: 1px solid rgba(37, 99, 235, 0.15);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-top: auto;
}

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

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    min-width: 180px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.footer-logo-img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 6px 14px rgba(15, 23, 42, 0.3);
}

.footer-logo-text {
    display: inline-block;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.footer-copy {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.footer-bottom {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(37, 99, 235, 0.2);
    text-align: center;
}

.footer-links h4,
.footer-social h4 {
    font-size: 1rem;
    color: #0f172a;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-links ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    padding: 0;
    margin: 0;
}

.footer-links a {
    color: var(--color-text);
    font-weight: 600;
    text-decoration: none;
    position: relative;
    padding-bottom: 2px;
}

.footer-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-fast);
}

.footer-links a:hover::after {
    transform: scaleX(1);
}

.footer-social a {
    color: var(--color-primary);
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-social .social-link {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(37, 99, 235, 0.08);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(37, 99, 235, 0.2);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.footer-social .social-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(37, 99, 235, 0.18);
}

.footer-social .social-icon {
    color: #e1306c;
}

.confetti-piece {
    position: absolute;
    width: 10px;
    height: 14px;
    border-radius: 4px;
    background: var(--popper-color, #f87171);
    opacity: 0;
    animation: popperBurst 1.6s ease-out forwards;
    transform: translate(0, 0) scale(0.7);
}

@media (max-width: 600px) {
    .footer-content {
        flex-direction: column;
        align-items: flex-start;
        overflow: visible;
        padding-bottom: var(--spacing-md);
    }

    .footer-section {
        width: 100%;
        min-width: 0;
    }

    .footer-links ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .footer-links li {
        width: 100%;
    }

    .footer-links a {
        display: block;
        padding: var(--spacing-xs) 0;
    }

    .footer-social a {
        justify-content: flex-start;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.85) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes cardGlow {
    0%, 100% {
        box-shadow: 0 30px 60px rgba(15, 23, 42, 0.2), 0 0 40px rgba(37, 99, 235, 0.1);
    }
    50% {
        box-shadow: 0 30px 60px rgba(15, 23, 42, 0.25), 0 0 50px rgba(37, 99, 235, 0.15);
    }
}

.leaderboard.global .leaderboard-entry {
    background: var(--color-white);
}


/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes bannerPop {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    60% {
        opacity: 1;
        transform: scale(1.05) translateY(-5px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes popperBurst {
    0% {
        opacity: 0;
        transform: translate(0, 0) scale(0.5) rotate(0deg);
    }
    20% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translate(var(--travelX, 0px), var(--travelY, 160px)) scale(1.05) rotate(540deg);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 10px rgba(37, 99, 235, 0.3);
    }
    50% { 
        transform: scale(1.1);
        box-shadow: 0 0 20px rgba(37, 99, 235, 0.6);
    }
}

@keyframes pulse-unvisited {
    0%, 100% { 
        background: var(--color-light);
        border-color: var(--color-border);
    }
    50% { 
        background: rgba(239, 68, 68, 0.1);
        border-color: var(--color-danger);
    }
}

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

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

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(30px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes confetti-fall {
    0% {
        opacity: 1;
        transform: translate(0, 0) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translate(var(--tx), 300px) rotate(360deg);
    }
}

@keyframes pulse-glow {
    0%, 100% {
        text-shadow: 0 0 12px rgba(37, 99, 235, 0.55), 0 4px 12px rgba(15, 23, 42, 0.15);
    }
    50% {
        text-shadow: 0 0 22px rgba(37, 99, 235, 0.75), 0 6px 16px rgba(15, 23, 42, 0.25);
    }
}

@keyframes selected-bounce {
    0% {
        transform: scale(0.95) translateY(0);
    }
    50% {
        transform: scale(1.15) translateY(-8px);
    }
    100% {
        transform: scale(1.12) translateY(-6px);
    }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 600px) {
    .game-header {
        padding: var(--spacing-md);
    }

    .game-title {
        font-size: 1.1rem;
        margin-top: 0;
    }

    .header-bar {
        flex-wrap: wrap;
        width: 100%;
        align-items: center;
        gap: var(--spacing-sm);
        margin-bottom: 0;
    }

    .brand-cluster {
        flex-direction: row;
        align-items: center;
        flex: 1 1 auto;
        gap: var(--spacing-sm);
    }

    .header-actions {
        margin-left: auto;
    }

    .brand-logo {
        font-size: 0.85rem;
    }

    .logo-img {
        width: 28px;
        height: 28px;
    }

    .streak-badge {
        gap: 3px;
        padding: 2px 6px;
    }

    .streak-icon {
        font-size: 1rem;
    }

    .streak-count {
        font-size: 0.9rem;
    }

    .header-stats {
        gap: var(--spacing-md);
        margin-top: var(--spacing-sm);
    }

    .stat {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .stat-value {
        font-size: 1rem;
    }

    .target-word {
        letter-spacing: 1px;
        font-size: 1.25rem;
    }

    .game-area {
        padding: var(--spacing-md);
    }

    .grid-wrapper {
        max-width: 100%;
    }

    .modal-content {
        max-width: 95%;
        padding: var(--spacing-lg);
    }

    .modal-buttons {
        flex-direction: column;
    }

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

    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9375rem;
    }
}

@media (max-height: 600px) {
    .game-header {
        padding: var(--spacing-sm);
    }

    .game-title {
        font-size: 1.6rem;
        font-weight: 700;
        letter-spacing: 0.5px;
        width: 100%;
        text-align: center;
        margin: var(--spacing-sm) auto;
    }
        padding: var(--spacing-sm);
    }
}

/* Landscape Mode */
@media (orientation: landscape) {
    .game-container {
        flex-direction: row;
    }

    .game-header {
        flex-direction: column;
        width: 100%;
    }

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

    .controls {
        flex-direction: column;
        width: auto;
        padding: var(--spacing-md) var(--spacing-sm);
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
    }

    .game-container {
        box-shadow: none;
    }
}