:root {
    /* Catppuccin Mocha (Dark) Theme */
    --bg-primary: #1e1e2e;
    --bg-secondary: #181825;
    --bg-tertiary: #313244;
    --text-primary: #89dceb;
    --text-secondary: #7f849c;
    --text-tertiary: #cdd6f4;
    --border-color: #45475a;

    /* Game colors - Catppuccin palette */
    --correct: #a6e3a1;
    --present: #f9e2af;
    --absent: #585b70;
    --empty: #1e1e2e;

    /* Keyboard - Catppuccin accent */
    --key-bg: #89b4fa;
    --key-bg-hover: #b4befe;
    --key-evaluated-bg: #585b70;

    /* UI elements */
    --modal-overlay: rgba(17, 17, 27, 0.85);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
    --border-radius: 8px;

    /* Catppuccin accents */
    --accent-pink: #f5c2e7;
    --accent-mauve: #cba6f7;
    --accent-red: #f38ba8;
    --accent-peach: #fab387;
    --accent-yellow: #f9e2af;
    --accent-green: #a6e3a1;
    --accent-teal: #94e2d5;
    --accent-sky: #89dceb;
    --accent-sapphire: #74c7ec;
    --accent-blue: #89b4fa;
    --accent-lavender: #b4befe;

    /* Animations */
    --transition-speed: 0.2s;
}

[data-theme="light"] {
    /* Catppuccin Latte (Light) Theme */
    --bg-primary: #eff1f5;
    --bg-secondary: #e6e9ef;
    --bg-tertiary: #ccd0da;
    --text-primary: #04a5e5;
    --text-secondary: #8c8fa1;
    --text-tertiary: #4c4f69;
    --border-color: #9ca0b0;

    --correct: #40a02b;
    --present: #df8e1d;
    --absent: #9ca0b0;
    --empty: #eff1f5;

    --key-bg: #1e66f5;
    --key-bg-hover: #7287fd;
    --key-evaluated-bg: #9ca0b0;

    --modal-overlay: rgba(76, 79, 105, 0.5);
}

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

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-tertiary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
}

/* Header */
header {
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    margin-bottom: 20px;
}

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

.title-section {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Courier New', monospace;
    margin: 0;
}

.puzzle-number {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-left: 36px;
}

.prompt {
    font-size: 1.5rem;
    filter: drop-shadow(0 0 8px var(--accent-sky));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.header-buttons {
    display: flex;
    gap: 8px;
}

.icon-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: all var(--transition-speed);
}

.icon-btn:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

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

/* Main Content */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

/* Message */
.message {
    background: var(--bg-secondary);
    color: var(--text-tertiary);
    padding: 12px 20px;
    border-radius: var(--border-radius);
    font-weight: 600;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-speed);
    border: 1px solid var(--border-color);
}

.message.show {
    opacity: 1;
}

.message.error {
    background: #dc3545;
    color: white;
    border-color: #dc3545;
}

.message.success {
    background: var(--correct);
    color: white;
    border-color: var(--correct);
}

/* Game Board */
.game-board {
    display: grid;
    grid-template-rows: repeat(6, 1fr);
    gap: 5px;
    margin: 10px 0;
}

.row {
    display: grid;
    gap: 5px;
}

/* Dynamic grid columns based on word length */
.game-board[data-word-length="4"] .row {
    grid-template-columns: repeat(4, 1fr);
}

.game-board[data-word-length="5"] .row {
    grid-template-columns: repeat(5, 1fr);
}

.game-board[data-word-length="6"] .row {
    grid-template-columns: repeat(6, 1fr);
}

.game-board[data-word-length="7"] .row {
    grid-template-columns: repeat(7, 1fr);
}

.tile {
    width: 62px;
    height: 62px;
    border: 3px solid var(--border-color);
    background: var(--empty);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    text-transform: uppercase;
    color: var(--text-tertiary);
    transition: all var(--transition-speed);
    font-family: 'Courier New', monospace;
    border-radius: 8px;
}

/* Dynamic tile sizing based on word length */
.game-board[data-word-length="4"] .tile {
    width: 70px;
    height: 70px;
    font-size: 2.2rem;
}

.game-board[data-word-length="5"] .tile {
    width: 62px;
    height: 62px;
    font-size: 2rem;
}

.game-board[data-word-length="6"] .tile {
    width: 54px;
    height: 54px;
    font-size: 1.75rem;
}

.game-board[data-word-length="7"] .tile {
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
}

.tile.filled {
    border-color: var(--text-secondary);
    animation: pop 0.1s ease-in-out;
}

.tile.correct {
    background: var(--correct);
    border-color: var(--correct);
    color: white;
}

.tile.present {
    background: var(--present);
    border-color: var(--present);
    color: white;
}

.tile.absent {
    background: var(--absent);
    border-color: var(--absent);
    color: white;
}

.tile.reveal {
    animation: flip 0.5s ease-in-out;
}

.tile.shake {
    animation: shake 0.5s ease-in-out;
}

/* Keyboard */
.keyboard {
    width: 100%;
    max-width: 500px;
    margin-bottom: 20px;
}

.keyboard-row {
    display: flex;
    gap: 6px;
    margin-bottom: 6px;
    justify-content: center;
}

.key {
    background: var(--key-bg);
    border: none;
    border-radius: 8px;
    color: var(--bg-primary);
    font-weight: 700;
    font-size: 0.875rem;
    padding: 0;
    height: 58px;
    min-width: 43px;
    cursor: pointer;
    text-transform: uppercase;
    font-family: 'Courier New', monospace;
    transition: all var(--transition-speed);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
}

.key:hover {
    background: var(--key-bg-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.key:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.key.wide {
    min-width: 65px;
    font-size: 0.75rem;
}

.key.correct {
    background: var(--correct);
}

.key.present {
    background: var(--present);
}

.key.absent {
    background: var(--key-evaluated-bg);
    opacity: 0.5;
}

/* Game End Stats - Fixed below keyboard */
.game-end-stats {
    width: 100%;
    max-width: 500px;
    margin: 20px auto;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow);
    animation: slideUp 0.5s ease-out;
}

.game-end-stats .stats-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 16px;
}

.game-end-stats .stats-header h3 {
    font-size: 1.25rem;
    margin: 0;
    color: var(--text-primary);
    white-space: nowrap;
    min-width: 50px;
}

.game-end-stats .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    flex: 1;
}

.game-end-stats .stat {
    text-align: center;
}

.game-end-stats .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.game-end-stats .stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.game-end-stats .guess-distribution-section {
    margin-bottom: 16px;
}

.distribution-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.distribution-toggle .toggle-icon {
    transition: transform 0.3s ease;
}

.distribution-toggle.expanded .toggle-icon {
    transform: rotate(180deg);
}

.distribution-content {
    padding: 16px 0 0 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.game-end-stats .share-section {
    text-align: center;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px 0;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
}

footer a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
}

footer a:hover {
    text-decoration: underline;
}

.heart {
    color: var(--accent-red);
    animation: heartbeat 1.5s ease-in-out infinite;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--modal-overlay);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease-in-out;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
    animation: slideUp 0.3s ease-out;
    border: 1px solid var(--border-color);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed);
}

.close-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
}

.modal-body {
    padding: 20px;
}

.modal-body p {
    margin-bottom: 16px;
    color: var(--text-tertiary);
}

.modal-body ul {
    margin-left: 24px;
    margin-bottom: 20px;
    color: var(--text-tertiary);
}

.modal-body li {
    margin-bottom: 8px;
}

.examples {
    margin: 24px 0;
}

.examples h3 {
    margin-bottom: 16px;
    color: var(--text-primary);
    font-size: 1.125rem;
}

.example-row {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
}

.tile-small {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
}

.hint-section {
    background: var(--bg-tertiary);
    padding: 16px;
    border-radius: var(--border-radius);
    margin-top: 20px;
    border-left: 4px solid var(--correct);
}

/* Statistics */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.guess-distribution {
    margin-bottom: 24px;
}

.guess-distribution h3 {
    font-size: 1.125rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.distribution-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.bar-label {
    min-width: 12px;
    font-weight: 600;
    color: var(--text-tertiary);
}

.bar {
    background: var(--absent);
    color: white;
    padding: 4px 8px;
    border-radius: var(--border-radius);
    min-width: 20px;
    text-align: right;
    font-weight: 600;
    transition: all 0.3s ease;
}

.bar.highlight {
    background: var(--correct);
}

.share-section {
    text-align: center;
}

.btn-primary {
    background: var(--accent-green);
    color: var(--bg-primary);
    border: none;
    padding: 12px 32px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-speed);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
    background: var(--key-bg-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

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

/* Archive Styles */
.modal-large {
    max-width: 700px;
}

.archive-controls {
    display: flex;
    gap: 12px;
    align-items: center;
    margin: 20px 0;
    flex-wrap: wrap;
}

.archive-controls label {
    font-weight: 600;
    color: var(--text-tertiary);
}

.date-picker {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-tertiary);
    font-size: 0.9375rem;
    font-family: inherit;
    cursor: pointer;
}

.date-picker:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 20px;
}

.archive-grid h3 {
    grid-column: 1 / -1;
    color: var(--text-primary);
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.archive-item {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: all var(--transition-speed);
    text-align: center;
}

.archive-item:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.archive-item-number,
.archive-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.archive-item-date,
.archive-date {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.archive-item-word,
.archive-info {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-family: 'Courier New', monospace;
}

.archive-status {
    font-size: 0.875rem;
    color: var(--accent-green);
    font-weight: 600;
    margin-top: 8px;
}

.puzzle-number {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 4px;
}

.puzzle-number.archive-mode {
    color: var(--accent-peach);
}

.archive-item.completed {
    border-color: var(--accent-green);
    background: var(--bg-secondary);
}

.archive-item.completed .archive-item-number {
    color: var(--accent-green);
}

/* Animations */
@keyframes pop {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes flip {
    0% { transform: rotateX(0); }
    50% { transform: rotateX(-90deg); }
    100% { transform: rotateX(0); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

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

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* Celebration animations */
@keyframes confetti {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-30px);
    }
    60% {
        transform: translateY(-15px);
    }
}

@keyframes zoomIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes tada {
    0% {
        transform: scale(1) rotate(0deg);
    }
    10%, 20% {
        transform: scale(0.9) rotate(-3deg);
    }
    30%, 50%, 70%, 90% {
        transform: scale(1.1) rotate(3deg);
    }
    40%, 60%, 80% {
        transform: scale(1.1) rotate(-3deg);
    }
    100% {
        transform: scale(1) rotate(0deg);
    }
}

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

/* Celebration overlay */
.celebration-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.confetti-piece {
    position: absolute;
    width: 10px;
    height: 10px;
    animation: confetti 3s ease-out forwards;
}

.celebration-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    font-weight: bold;
    z-index: 10000;
    pointer-events: none;
    animation: zoomIn 0.6s ease-out, fadeOut 0.5s ease-in 1.5s forwards;
}

.row-celebrate {
    animation: tada 1s ease-in-out;
}

/* Responsive Design */
@media (max-width: 480px) {
    .container {
        padding: 0 8px;
    }

    h1 {
        font-size: 1.5rem;
    }

    /* Responsive tile sizes for 4-letter words */
    .game-board[data-word-length="4"] .tile {
        width: 64px;
        height: 64px;
        font-size: 2rem;
    }

    /* Responsive tile sizes for 5-letter words */
    .game-board[data-word-length="5"] .tile {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
    }

    /* Responsive tile sizes for 6-letter words */
    .game-board[data-word-length="6"] .tile {
        width: 48px;
        height: 48px;
        font-size: 1.5rem;
    }

    /* Responsive tile sizes for 7-letter words */
    .game-board[data-word-length="7"] .tile {
        width: 42px;
        height: 42px;
        font-size: 1.25rem;
    }

    .key {
        height: 52px;
        min-width: 38px;
        font-size: 0.75rem;
    }

    .key.wide {
        min-width: 60px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
}

@media (max-width: 360px) {
    /* Responsive tile sizes for 4-letter words */
    .game-board[data-word-length="4"] .tile {
        width: 58px;
        height: 58px;
        font-size: 1.75rem;
    }

    /* Responsive tile sizes for 5-letter words */
    .game-board[data-word-length="5"] .tile {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    /* Responsive tile sizes for 6-letter words */
    .game-board[data-word-length="6"] .tile {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }

    /* Responsive tile sizes for 7-letter words */
    .game-board[data-word-length="7"] .tile {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }

    .key {
        height: 48px;
        min-width: 32px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    .keyboard,
    .header-buttons,
    footer {
        display: none;
    }
}

/* ========================================
   Authentication Styles
   ======================================== */

/* Auth buttons in header */
.login-btn,
.user-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-menu-btn svg {
    color: var(--text-primary);
}

/* Auth form styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.auth-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.6;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-tertiary);
}

.form-group input[type="email"] {
    padding: 12px 16px;
    font-size: 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-tertiary);
    transition: border-color var(--transition-speed);
}

.form-group input[type="email"]:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.form-group input[type="email"]::placeholder {
    color: var(--text-secondary);
}

.auth-message {
    padding: 12px 16px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    margin-top: 12px;
}

.auth-message.success {
    background: rgba(166, 227, 161, 0.15);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
}

.auth-message.error {
    background: rgba(243, 139, 168, 0.15);
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
}

.auth-footer {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

/* User menu dropdown */
.user-menu-dropdown {
    position: fixed;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    min-width: 280px;
    z-index: 2000;
    overflow: hidden;
    animation: dropdownSlideIn 0.2s ease-out;
}

@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-menu-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-tertiary);
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.user-info {
    flex: 1;
    overflow: hidden;
}

.user-name {
    font-weight: 600;
    color: var(--text-tertiary);
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-menu-divider {
    height: 1px;
    background: var(--border-color);
}

.user-menu-item {
    width: 100%;
    padding: 14px 16px;
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: background-color var(--transition-speed);
}

.user-menu-item:hover {
    background: var(--bg-tertiary);
}

.user-menu-item svg {
    flex-shrink: 0;
}

/* Import modal styles */
.import-preview {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px;
    margin: 20px 0;
}

.stats-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.stat-preview-item {
    text-align: center;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stat-preview-item strong {
    display: block;
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.button-group {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.button-group button {
    flex: 1;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    border: 2px solid var(--border-color);
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--text-secondary);
}

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

/* Profile Modal Styles */
.profile-modal-content {
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.profile-user-info {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-bottom: 24px;
}

.profile-avatar {
    font-size: 4rem;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    flex-shrink: 0;
}

.profile-details {
    flex: 1;
    min-width: 0;
}

.profile-details h3 {
    margin: 0 0 4px 0;
    font-size: 1.5rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.profile-details p {
    margin: 0 0 4px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.profile-member-since {
    font-size: 0.85rem !important;
    color: var(--text-tertiary) !important;
}

.profile-divider {
    height: 2px;
    background: var(--border-color);
    margin: 24px 0;
}

.profile-stats-section h3 {
    margin: 0 0 20px 0;
    font-size: 1.3rem;
    color: var(--text-primary);
}

.profile-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.profile-stat-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.profile-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.profile-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--correct);
    margin-bottom: 8px;
    line-height: 1;
}

.profile-stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.profile-distribution-section {
    margin-top: 32px;
}

.profile-distribution-section h4 {
    margin: 0 0 16px 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.profile-distribution-chart {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.profile-distribution-bar {
    display: flex;
    align-items: center;
    gap: 8px;
}

.profile-bar-label {
    font-weight: 600;
    color: var(--text-primary);
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.profile-bar-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border-radius: 4px;
    height: 32px;
    position: relative;
    overflow: hidden;
}

.profile-bar-fill {
    height: 100%;
    background: var(--correct);
    border-radius: 4px;
    transition: width 0.5s ease;
    min-width: 32px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 8px;
}

.profile-bar-count {
    position: absolute;
    right: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    z-index: 1;
}

/* Responsive auth styles */
@media (max-width: 480px) {
    .user-menu-dropdown {
        min-width: 260px;
        left: 8px !important;
        right: 8px !important;
        max-width: calc(100vw - 16px);
    }

    .stats-preview {
        grid-template-columns: 1fr;
    }

    .button-group {
        flex-direction: column;
    }

    .button-group button {
        width: 100%;
    }

    .profile-modal-content {
        max-width: 100%;
        margin: 0;
    }

    .profile-user-info {
        flex-direction: column;
        text-align: center;
        padding: 16px;
    }

    .profile-avatar {
        font-size: 3rem;
        width: 60px;
        height: 60px;
    }

    .profile-details h3 {
        font-size: 1.2rem;
    }

    .profile-stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .profile-stat-card {
        padding: 16px;
    }

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