/* ======================================== */
/* LEXIBLOCK - MAIN STYLES                 */
/* Modern, organized, and optimized CSS    */
/* ======================================== */

/* CSS Custom Properties for theming */
:root {
    /* Base font settings */
    --font-family: 'Press Start 2P', cursive;
    --font-family-ui: 'Roboto', sans-serif;
    --font-size-base: 14px;
    --font-size-small: 0.75rem;
    --font-size-smaller: 0.65rem;
    --font-size-h1: 27rem;
    --font-size-h2: 1rem;
    --font-size-button: 0.7rem;
    --font-size-modal-base: 0.8rem;

    /* Layout and spacing */
    --border-radius-main: 8px;
    --border-radius-small: 6px;
    --transition-main: all 0.2s ease;
    --box-shadow-main: 0 4px 10px rgba(0, 0, 0, 0.5);

    /* Game specific */
    --game-width: 300px;
    --game-height: 600px;
    --block-size: 30px;
}

/* ======================================== */
/* BASE STYLES                             */
/* ======================================== */

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: var(--transition-main);
}

/* ======================================== */
/* LOADING & ERROR SCREENS                 */
/* ======================================== */

.loading-screen, .error-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.3s ease;
}

.loading-screen {
    background: #0d1b2a;
    color: #e0e1dd;
}

.error-screen {
    background: #ff4757;
    color: white;
}

.loading-content, .error-content {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius-main);
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid transparent;
    border-top: 3px solid #00f5d4;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 1rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-progress {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    margin: 1rem auto;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--accent-color-1, #00f5d4);
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 0%;
}

/* ======================================== */
/* MAIN APP CONTAINER                      */
/* ======================================== */

.app-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
    padding: 0.5rem;
    gap: 1rem;
}

.app-container h1 {
    color: var(--header-text-color, #00f5d4);
    text-shadow: 2px 2px var(--header-shadow-color, #ff4d6d);
    font-size: var(--font-size-h1);
    margin-bottom: 1rem;
    transition: var(--transition-main);
}

/* ======================================== */
/* GAME SECTIONS                           */
/* ======================================== */

.game-section {
    width: 95%;
    max-width: 600px;
    margin-bottom: 1rem;
}

.selection-box {
    background-color: var(--panel-bg-color, #1b263b);
    padding: 1rem;
    border-radius: var(--border-radius-main);
    border: 1px solid var(--panel-border-color, #00f5d4);
    text-align: center;
    width: 100%;
    box-shadow: var(--box-shadow-main);
    transition: var(--transition-main);
    margin-bottom: 1rem;
}

.selection-box h2 {
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    color: var(--header-text-color, #00f5d4);
    text-shadow: 1px 1px var(--header-shadow-color, #ff4d6d);
    transition: var(--transition-main);
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

/* ======================================== */
/* BUTTON STYLES                           */
/* ======================================== */

.styled-button {
    font-family: var(--font-family);
    background: var(--button-bg-color, #ff4d6d);
    color: var(--button-text-color, #ffffff);
    border: 1px solid var(--button-border-color, #ff4d6d);
    padding: 0.6rem 0.9rem;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: var(--transition-main);
    box-shadow: 3px 3px 0px var(--button-shadow-color, #cc4061);
    font-size: 0.75rem;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
}

.styled-button:hover {
    background: var(--button-hover-bg, #e6455c);
    color: var(--button-hover-text, #ffffff);
    box-shadow: 1px 1px 0px var(--button-hover-shadow, #cc4061);
    transform: translate(2px, 2px);
}

.styled-button:active {
    box-shadow: none;
    transform: translate(3px, 3px);
}

.styled-button:focus {
    outline: 2px solid var(--accent-color-1, #00f5d4);
    outline-offset: 2px;
}

.styled-button:disabled {
    background: var(--disabled-bg-color, #4a4a4a);
    color: var(--disabled-text-color, #888);
    cursor: not-allowed;
    box-shadow: 1px 1px 0px var(--disabled-shadow-color, #222);
    transform: translate(1px, 1px);
}

/* Selected button styles */
.styled-button.selected {
    background: #aaffaa;
    color: #333;
    box-shadow: 1px 1px 0px #008000;
    transform: translate(2px, 2px);
}

.theme-button.selected {
    background: #00f5d4;
    color: var(--bg-color, #0d1b2a);
    border-color: var(--accent-color-2, #ff4d6d);
    box-shadow: 1px 1px 0px var(--accent-color-2, #ff4d6d);
}

/* ======================================== */
/* GAME CONTAINER                          */
/* ======================================== */

.game-container {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    max-width: 800px;
    margin-top: 0;
}

.game-board-container {
    position: relative;
    width: 60%;
    max-width: 300px;
    display: flex;
    justify-content: center;
}

#game-board {
    border: 1px solid var(--canvas-border-color, #00f5d4);
    background-color: var(--canvas-bg-color, #001219);
    box-shadow: var(--box-shadow-main);
    border-radius: var(--border-radius-main);
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 2;
    display: block;
    position: relative;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    transition: var(--transition-main);
    cursor: pointer;
}

.pause-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--overlay-bg-color, rgba(13, 27, 42, 0.8));
    color: var(--overlay-text-color, #00f5d4);
    display: none;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    text-align: center;
    text-shadow: 1px 1px var(--accent-color-1, #00f5d4);
    z-index: 60;
    border-radius: var(--border-radius-small);
    transition: var(--transition-main);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

/* ======================================== */
/* INFO PANEL                              */
/* ======================================== */

.info-panel {
    width: 40%;
    max-width: 300px;
    background-color: var(--panel-bg-color, #1b263b);
    padding: 0.5rem;
    border: 1px solid var(--panel-border-color, #00f5d4);
    border-radius: var(--border-radius-main);
    box-shadow: var(--box-shadow-main);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    overflow: hidden;
    transition: var(--transition-main);
}

.info-panel h2 {
    font-size: var(--font-size-h2);
    margin-bottom: 0.3rem;
    color: var(--header-text-color, #00f5d4);
    text-shadow: 1px 1px var(--header-shadow-color, #ff4d6d);
    transition: var(--transition-main);
}

.info-panel p {
    margin-bottom: 0.2rem;
    font-size: var(--font-size-smaller);
    color: var(--text-color, #e0e1dd);
    line-height: 1.2;
}

/* ======================================== */
/* WORD PROMPT & INPUT                     */
/* ======================================== */

.word-prompt-container {
    background-color: rgba(0, 18, 25, 0.8);
    padding: 0.4rem;
    border-radius: var(--border-radius-small);
    margin: 0.5rem 0;
    border: 1px dashed var(--prompt-border-color, #ff4d6d);
    order: 1;
    transition: var(--transition-main);
}

.word-prompt-label {
    display: block;
    font-size: 0.6rem;
    color: var(--prompt-label-color, #e0e1dd);
    margin-bottom: 0.2rem;
    text-transform: uppercase;
}

.word-prompt-text {
    display: block;
    font-size: 0.8rem;
    color: var(--prompt-text-color, #00f5d4);
    min-height: 1em;
    word-wrap: break-word;
}

#translation-input {
    font-family: var(--font-family);
    padding: 0.5rem;
    border: 1px solid var(--input-border-color, #00f5d4);
    background-color: var(--input-bg-color, #1b263b);
    color: var(--text-color, #e0e1dd);
    border-radius: var(--border-radius-small);
    margin-top: 0.5rem;
    width: 100%;
    box-sizing: border-box;
    text-align: center;
    font-size: 0.75rem;
    outline: none;
    order: 2;
    margin-bottom: 0.5rem;
    transition: var(--transition-main);
}

#translation-input::placeholder {
    color: rgba(224, 225, 221, 0.6);
}

#translation-input:focus {
    border-color: var(--accent-color-1, #00f5d4);
    box-shadow: 0 0 0 2px rgba(0, 245, 212, 0.3);
}

/* ======================================== */
/* POWER-UPS                               */
/* ======================================== */

.powerup-section {
    order: 4;
    margin-top: 0.4rem;
}

.power-up-display {
    margin-top: 0.2rem;
    min-height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.power-up-icon {
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
    transition: var(--transition-main);
    padding: 2px;
    border-radius: 50%;
}

.power-up-icon.available {
    display: inline-block;
}

.power-up-icon:hover {
    transform: scale(1.2);
}

.power-up-icon:focus {
    outline: 2px solid var(--accent-color-1, #00f5d4);
    outline-offset: 2px;
}

/* Shield active animation */
.shield-active-indicator {
    box-shadow: 0 0 8px 2px var(--shield-glow-color, #00f5d4);
    border: 1px solid var(--shield-glow-color, #00f5d4);
    border-radius: 50%;
    animation: pulse-shield 1.5s infinite ease-in-out;
    display: inline-block !important;
}

@keyframes pulse-shield {
    0% { box-shadow: 0 0 6px 1px var(--shield-glow-color, #00f5d4); }
    50% { box-shadow: 0 0 12px 3px var(--shield-glow-color, #00f5d4); }
    100% { box-shadow: 0 0 6px 1px var(--shield-glow-color, #00f5d4); }
}

#no-powerup-text {
    font-size: 0.7rem;
    color: var(--text-color, #e0e1dd);
}

#power-up-duration {
    font-size: 0.6rem;
    margin-left: 0.2rem;
}

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

.controls-stack {
    order: 5;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.6rem;
}

.control-button {
    font-family: var(--font-family);
    background: var(--button-bg-color, #ff4d6d);
    color: var(--button-text-color, #ffffff);
    border: 1px solid var(--button-border-color, #ff4d6d);
    padding: 0.5rem 0.4rem;
    margin-top: 0;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: var(--transition-main);
    box-shadow: 3px 3px 0px var(--button-shadow-color, #cc4061);
    text-transform: uppercase;
    font-size: 0.6rem;
    width: 100%;
    box-sizing: border-box;
}

.control-button:hover {
    background: var(--button-hover-bg, #e6455c);
    color: var(--button-hover-text, #ffffff);
    box-shadow: 1px 1px 0px var(--button-hover-shadow, #cc4061);
    transform: translate(2px, 2px);
}

.control-button:active {
    box-shadow: none;
    transform: translate(3px, 3px);
}

.control-button:disabled {
    background: var(--disabled-bg-color, #4a4a4a);
    color: var(--disabled-text-color, #888);
    cursor: not-allowed;
    box-shadow: 1px 1px 0px var(--disabled-shadow-color, #222);
    transform: translate(1px, 1px);
}

.control-button:focus {
    outline: 2px solid var(--accent-color-1, #00f5d4);
    outline-offset: 2px;
}

/* ======================================== */
/* HINT MESSAGE                            */
/* ======================================== */

.hint-message {
    margin-top: 0.4rem;
    font-size: var(--font-size-small);
    color: var(--accent-color-2, #ff4d6d);
    min-height: 1.5em;
    order: 6;
    letter-spacing: 2px;
    font-family: monospace;
    word-wrap: break-word;
}

/* ======================================== */
/* HIGH SCORES                             */
/* ======================================== */

.high-scores-section {
    order: 7;
    margin-top: 0.6rem;
    flex-shrink: 0;
}

/* ======================================== */
/* POINTS POPUP                            */
/* ======================================== */

.points-popup {
    position: absolute;
    padding: 0.2rem 0.5rem;
    background-color: rgba(0, 0, 0, 0.8);
    color: var(--points-popup-color, #00f5d4);
    font-family: var(--font-family);
    font-size: 0.9rem;
    border-radius: 4px;
    text-shadow: 1px 1px 2px #000;
    pointer-events: none;
    z-index: 70;
    animation: pointsFadeUp 1.2s ease-out forwards;
}

.points-popup .time-bonus {
    font-size: 0.7em;
    opacity: 0.8;
    margin-left: 5px;
}

@keyframes pointsFadeUp {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(-30px);
    }
}

/* ======================================== */
/* GAME OVER SCREEN                        */
/* ======================================== */

.game-over-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0.3rem;
    padding: 0.5rem;
}

.game-over-screen h2 {
    margin-bottom: 0.2rem;
    font-size: 1.3rem;
}

.game-over-screen p {
    margin: 0 0 0.3rem 0;
}

.gameover-content {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    width: 90%;
    max-width: 800px;
    margin-bottom: 0.6rem;
}

.missed-words-container, .promo-section {
    background-color: var(--panel-bg-color, #1b263b);
    border: 1px solid var(--panel-border-color, #00f5d4);
    border-radius: var(--border-radius-main);
    padding: 0.5rem;
    box-shadow: var(--box-shadow-main);
    flex-grow: 1;
    flex-shrink: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.missed-words-container h3, .promo-section h3 {
    color: var(--header-text-color, #00f5d4);
    font-size: 0.8rem;
    margin-bottom: 0.3rem;
    text-shadow: 1px 1px var(--header-shadow-color, #ff4d6d);
}

.missed-words-list {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 150px;
    overflow-y: auto;
    overflow-x: hidden;
    font-size: 0.8rem;
    width: 100%;
    background: rgba(27, 38, 59, 0.7);
    border-radius: 4px;
    padding: 0.4rem;
    color: var(--text-color, #e0e1dd);
    text-align: left;
    scrollbar-width: thin;
}

.missed-words-list::-webkit-scrollbar {
    width: 6px;
}

.missed-words-list::-webkit-scrollbar-track {
    background: transparent;
}

.missed-words-list::-webkit-scrollbar-thumb {
    background-color: var(--accent-color-2, #ff4d6d);
    border-radius: 3px;
}

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

.promo-icon {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
}

.promo-text {
    font-size: 0.75rem;
    line-height: 1.3;
    color: var(--text-color, #e0e1dd);
    margin-bottom: 0.5rem;
}

.promo-btn {
    font-size: 0.8rem;
    padding: 0.3rem 0.6rem;
    font-family: var(--font-family);
    background: var(--button-bg-color, #ff4d6d);
    color: var(--button-text-color, #ffffff);
    border: 1px solid var(--button-border-color, #ff4d6d);
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: var(--transition-main);
    box-shadow: 3px 3px 0px var(--button-shadow-color, #cc4061);
    text-decoration: none;
    display: inline-block;
}

.promo-btn:hover {
    background: var(--button-hover-bg, #e6455c);
    color: var(--button-hover-text, #ffffff);
    box-shadow: 1px 1px 0px var(--button-hover-shadow, #cc4061);
    transform: translate(2px, 2px);
}

.gameover-buttons-row {
    display: flex;
    gap: 1rem;
    justify-content: center;
    width: 100%;
    margin-top: 0.3rem;
}

.game-over-button {
    font-family: var(--font-family);
    background: var(--button-bg-color, #ff4d6d);
    color: var(--button-text-color, #ffffff);
    border: 3px solid var(--button-border-color, #ff4d6d);
    padding: 0.4rem 0.8rem;
    border-radius: var(--border-radius-main);
    cursor: pointer;
    transition: var(--transition-main);
    box-shadow: 3px 3px 0px var(--button-shadow-color, #cc4061);
    text-transform: uppercase;
    font-size: 0.85rem;
}

.game-over-button:hover {
    background: var(--button-hover-bg, #e6455c);
    color: var(--button-hover-text, #ffffff);
    box-shadow: 1px 1px 0px var(--button-hover-shadow, #cc4061);
    transform: translate(2px, 2px);
}

.game-over-button:focus {
    outline: 2px solid var(--accent-color-1, #00f5d4);
    outline-offset: 2px;
}

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

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--gameover-overlay-bg, rgba(0, 18, 25, 0.95));
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 110;
    padding: 1rem;
    box-sizing: border-box;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--panel-bg-color, #1b263b);
    color: var(--text-color, #e0e1dd);
    padding: 1.5rem 1.8rem;
    border-radius: var(--border-radius-main);
    border: 1px solid var(--panel-border-color, #00f5d4);
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    text-align: left;
    font-size: var(--font-size-modal-base);
    line-height: 1.6;
    box-shadow: var(--box-shadow-main);
    transition: var(--transition-main);
}

.modal-content h2 {
    font-size: 1.4em;
    color: var(--header-text-color, #00f5d4);
    text-align: center;
    margin-bottom: 1rem;
}

.modal-content h3 {
    font-size: 1.1em;
    color: var(--accent-color-2, #ff4d6d);
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.modal-content ul {
    list-style: disc;
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.modal-content li {
    margin-bottom: 0.4rem;
}

#close-rules-button, #close-help-button {
    display: block;
    margin: 1.5rem auto 0 auto;
}

/* ======================================== */
/* VERB CHALLENGE MODAL                    */
/* ======================================== */

.verb-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 1rem 0;
}

.verb-input {
    font-family: var(--font-family);
    width: 100%;
    padding: 0.6rem;
    border-radius: var(--border-radius-small);
    border: 1px solid var(--input-border-color, #00f5d4);
    background-color: var(--input-bg-color, #1b263b);
    color: var(--text-color, #e0e1dd);
    font-size: 0.9rem;
    box-shadow: 0 0 0 2px rgba(0, 245, 212, 0.1);
    text-align: center;
}

.verb-input:focus {
    border-color: var(--accent-color-1, #00f5d4);
    box-shadow: 0 0 0 2px rgba(0, 245, 212, 0.3);
}

.verb-message {
    min-height: 1.2em;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--accent-color-1, #00f5d4);
}

.verb-french-display {
    font-style: italic;
    color: var(--accent-color-1, #00f5d4);
    margin-bottom: 8px;
}

/* ======================================== */
/* TOAST NOTIFICATIONS                     */
/* ======================================== */

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--panel-bg-color, #1b263b);
    color: var(--text-color, #e0e1dd);
    padding: 1rem;
    border-radius: var(--border-radius-small);
    border: 1px solid var(--panel-border-color, #00f5d4);
    box-shadow: var(--box-shadow-main);
    max-width: 300px;
    animation: toastSlideIn 0.3s ease-out;
}

.toast.success {
    border-color: #00ff00;
}

.toast.error {
    border-color: #ff0000;
}

.toast.info {
    border-color: var(--accent-color-1, #00f5d4);
}

@keyframes toastSlideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

.app-footer {
    margin-top: auto;
    width: 100%;
    text-align: center;
    padding: 1.2rem 0 0.7rem 0;
    font-size: 0.85rem;
    color: var(--text-color, #e0e1dd);
    background: none;
    opacity: 0.85;
}

.footer-box {
    display: inline-block;
    background-color: rgba(27, 38, 59, 0.8);
    border: 1px solid var(--panel-border-color, #00f5d4);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-small);
    margin-top: 1rem;
    text-align: center;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.footer-link {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--link-color, #00f5d4);
    text-decoration: underline;
}

.footer-link:last-child {
    margin-bottom: 0;
}

.footer-creator {
    display: inline;
    font-weight: bold;
}

.footer-creator a {
    color: var(--link-color, #00f5d4);
    text-decoration: underline;
    font-weight: bold;
}

.footer-toggle-btn {
    background: none;
    border: 1px solid var(--link-color, #00f5d4);
    color: var(--link-color, #00f5d4);
    padding: 0.1rem 0.4rem;
    font-size: 0.7rem;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    margin-left: 0.8rem;
    display: inline-block;
    font-family: var(--font-family);
    vertical-align: middle;
    transition: var(--transition-main);
}

.footer-toggle-btn:hover {
    background-color: var(--link-color, #00f5d4);
    color: var(--footer-box-bg, #1b263b);
}

.footer-links {
    display: none;
    margin-top: 0.8rem;
}

/* ======================================== */
/* ACCESSIBILITY HELPERS                   */
/* ======================================== */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Keyboard focus indicators */
kbd {
    background-color: var(--panel-bg-color, #1b263b);
    border: 1px solid var(--panel-border-color, #00f5d4);
    border-radius: 3px;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2);
    color: var(--text-color, #e0e1dd);
    display: inline-block;
    font-family: var(--font-family-ui);
    font-size: 0.85em;
    font-weight: 700;
    line-height: 1;
    padding: 2px 4px;
    white-space: nowrap;
}

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

/* Desktop styles */
@media (min-width: 768px) {
    html {
        font-size: 16px;
    }

    .app-container h1 {
        font-size: 36rem;
        margin-bottom: 4rem;
    }

    .game-container {
        gap: 2rem;
    }

    .info-panel {
        padding: 1rem 1.5rem;
    }

    .controls-stack {
        gap: 0.6rem;
    }

    .verb-input-group {
        flex-direction: row;
    }

    .gameover-content {
        flex-direction: row;
        align-items: stretch;
        max-width: 700px;
    }

    .missed-words-container, .promo-section {
        flex-basis: 48%;
    }
}

/* Mobile styles */
@media (max-width: 767px) {
    .game-container {
        flex-direction: column;
        gap: 0.3rem;
        align-items: center;
    }

    .game-board-container {
        width: 90%;
        max-width: 350px;
    }

    .info-panel {
        width: 90%;
        max-width: 350px;
        padding: 0.3rem 0.5rem;
    }

    .info-panel .high-scores-section {
        display: none;
    }

    .power-up-display {
        min-height: 20px;
        margin-top: 0.3rem;
        gap: 0.3rem;
    }

    .power-up-icon {
        font-size: 1.1rem;
    }

    .controls-stack {
        gap: 0.2rem;
        margin-top: 0.4rem;
    }

    .control-button {
        font-size: 0.5rem;
        padding: 0.3rem 0.2rem;
        border-width: 1px;
    }

    .modal-content {
        padding: 1rem;
        margin: 0.5rem;
    }

    .verb-input {
        font-size: 0.8rem;
        padding: 0.4rem;
    }
}

/* ======================================== */
/* PRINT STYLES                            */
/* ======================================== */

@media print {
    .loading-screen,
    .error-screen,
    .modal-overlay,
    .pause-overlay,
    .power-up-display,
    .controls-stack,
    .gameover-buttons-row,
    .footer {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }

    .game-board {
        border: 2px solid black !important;
    }
}

/* ======================================== */
/* POWER-UP ANIMATIONS                     */
/* ======================================== */

.debris {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: var(--accent-color-2, #ff4d6d);
    border-radius: 50%;
    pointer-events: none;
    z-index: 100;
}