/* --- Color Variables --- */
:root {
    --color-bg: #f4f4f4;
    --color-text: #333;
    --color-tile-border: #ccc;
    --color-tile-border-filled: #888;
    --color-key-bg: #d3d6da;
    --color-key-text: #333;
    /* Added for keys */
    --color-key-bg-hover: #bbbbbb;
    --color-modal-bg: #fff;
    --color-feedback-grey-bg: #999;
    --color-feedback-grey-text: #f4f4f4;
}

body.dark-mode {
    --color-bg: #121212;
    --color-text: #f4f4f4;
    --color-tile-border: #444;
    --color-tile-border-filled: #777;
    --color-key-bg: #3a3a3c;
    --color-key-text: #f4f4f4;
    /* Added for keys */
    --color-key-bg-hover: #555;
    --color-modal-bg: #222;
    --color-feedback-grey-bg: #3a3a3c;
    --color-feedback-grey-text: #aaa;
}

/* --- END Color Variables --- */


/* Basic setup */
* {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    overflow-y: auto;
}

/* Layout */
.container {
    width: 100%;
    max-width: 500px;
    min-height: 100vh;
    max-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: clamp(12px, 2.5vh, 20px) 10px clamp(70px, 10vh, 90px) 10px;
    gap: clamp(8px, 1.5vh, 15px);
    box-sizing: border-box;
    overflow-y: auto;
}

@media (min-width: 769px) {
    .container {
        max-width: 450px;
        gap: 12px;
        padding: 15px 10px 85px 10px;
    }
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .container {
        min-height: 100vh;
        max-height: 100vh;
        justify-content: flex-start;
        padding: 5px 10px 80px 10px;
        gap: 4px;
    }
}

/* --- Header and Theme Button --- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 0;
    flex-shrink: 0;
}

.icon-btn {
    background: none;
    border: 2px solid var(--color-tile-border-filled);
    color: var(--color-text);
    font-size: 1.3rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s;
}

.icon-btn:hover {
    background-color: var(--color-key-bg-hover);
}

/* --- END Header --- */


h1 {
    margin: 0;
    font-size: clamp(1.5rem, 4vw, 1.8rem);
}

@media (max-width: 768px) {
    h1 {
        font-size: 1.5rem;
    }
}

p {
    font-size: clamp(0.75rem, 2vw, 0.9rem);
    color: var(--color-text);
    margin: 0;
}

@media (max-width: 768px) {
    p {
        font-size: 0.8rem;
        margin: 0 0 4px 0;
    }
}

/* Game Grid */
#game-grid {
    display: flex;
    flex-direction: column;
    gap: clamp(5px, 0.8vh, 7px);
    width: 100%;
    padding: 0;
    flex-shrink: 0;
}

@media (min-width: 769px) {
    #game-grid {
        gap: 6px;
    }
}

@media (max-width: 768px) {
    #game-grid {
        gap: 4px;
        margin-bottom: 4px;
    }
}

.grid-row {
    display: flex;
    align-items: center;
    gap: clamp(5px, 1.5vw, 10px);
    justify-content: center;
}

.grid-tiles {
    display: flex;
    gap: clamp(3px, 0.8vw, 5px);
}

.grid-tile {
    width: clamp(45px, 8vw, 55px);
    height: clamp(45px, 8vw, 55px);
    border: 2px solid var(--color-tile-border);
    border-radius: 5px;
    font-size: clamp(1.3rem, 3.5vw, 1.5rem);
    font-weight: bold;
    text-transform: uppercase;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s ease;
    color: var(--color-text);
}

@media (min-width: 769px) {
    .grid-tile {
        width: 55px;
        height: 55px;
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .grid-tile {
        width: 16vw;
        height: 16vw;
        max-width: 50px;
        max-height: 50px;
        font-size: 1.3rem;
    }
}

/* State for the tile when a letter is entered */
.grid-tile.filled {
    border-color: var(--color-tile-border-filled);
}

/* Feedback Area */
.feedback-area {
    display: flex;
    gap: 5px;
}

.feedback-circle {
    width: clamp(20px, 4vw, 24px);
    height: clamp(20px, 4vw, 24px);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: clamp(0.7rem, 1.8vw, 0.85rem);
}

@media (min-width: 769px) {
    .feedback-circle {
        width: 22px;
        height: 22px;
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .feedback-circle {
        width: 20px;
        height: 20px;
        font-size: 0.75rem;
    }
}

.feedback-circle.green {
    background-color: #6aaa64;
    /* Green */
    color: white;
}

.feedback-circle.yellow {
    background-color: #c9b458;
    /* Yellow */
    color: white;
}

.feedback-circle.grey {
    background-color: var(--color-feedback-grey-bg);
    color: var(--color-feedback-grey-text);
}


/* Message Area */
#message-area {
    min-height: 25px;
    font-size: clamp(0.85rem, 2vw, 1rem);
    font-weight: bold;
    color: #d9534f;
    text-align: center;
    padding: 5px 0;
}

@media (max-width: 768px) {
    #message-area {
        min-height: 20px;
        padding: 3px 0;
        margin-bottom: 6px;
    }
}

/* --- Modal Styles --- */
.modal-backdrop {
    display: none;
    /* Hidden by default */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 100;
}

.modal {
    display: none;
    /* Hidden by default */
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--color-modal-bg);
    /* MODIFIED: Using variable */
    color: var(--color-text);
    /* MODIFIED: Using variable */
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 101;
    text-align: center;
    min-width: 250px;
    max-width: 90vw;
}

/* Class to show the modal */
.modal-backdrop.show,
.modal.show {
    display: block;
}

#modal-message {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.4;
    /* For multi-line messages */
}

#modal-close-btn {
    font-size: 1rem;
    font-weight: bold;
    padding: 10px 20px;
    border: none;
    background-color: #6aaa64;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
}

#modal-close-btn:hover {
    background-color: #5a9a54;
}

.modal-x-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 28px;
    line-height: 1;
    color: var(--color-text);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s, transform 0.2s;
}

.modal-x-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
    transform: scale(1.1);
}

body.dark-mode .modal-x-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Statistics Modal */
.stats-modal {
    min-width: 320px;
    max-width: 400px;
    padding: 25px;
}

.stats-modal h2 {
    margin: 0 0 20px 0;
    font-size: 1.5rem;
    text-align: center;
}

.stats-modal h3 {
    margin: 20px 0 10px 0;
    font-size: 1.1rem;
    text-align: left;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

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

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text);
    opacity: 0.8;
    text-align: center;
}

.guess-distribution {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 20px;
}

.guess-bar {
    display: flex;
    align-items: center;
    gap: 5px;
}

.guess-number {
    font-weight: bold;
    min-width: 15px;
    text-align: right;
}

.guess-bar-container {
    flex: 1;
    background-color: var(--color-tile-border);
    border-radius: 4px;
    overflow: hidden;
    min-width: 20px;
}

.guess-bar-fill {
    background-color: #6aaa64;
    color: white;
    padding: 4px 8px;
    text-align: right;
    font-weight: bold;
    font-size: 0.85rem;
    min-width: 20px;
    transition: width 0.5s ease;
}

.guess-bar-fill.current {
    background-color: #c9b458;
}

.stats-close-btn {
    width: 100%;
    font-size: 1rem;
    font-weight: bold;
    padding: 10px 20px;
    border: none;
    background-color: #6aaa64;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.stats-close-btn:hover {
    background-color: #5a9a54;
}


/* Keyboard */
#keyboard {
    display: flex;
    flex-direction: column;
    gap: clamp(4px, 0.7vh, 6px);
    width: 100%;
    max-width: 500px;
    padding: 0;
    flex-shrink: 0;
}

@media (min-width: 769px) {
    #keyboard {
        gap: 5px;
    }
}

@media (max-width: 768px) {
    #keyboard {
        gap: 3px;
        padding: 0;
        margin-top: 8px;
    }
}

.key-row {
    display: flex;
    justify-content: center;
    gap: clamp(4px, 1vw, 6px);
}

.key {
    font-size: clamp(0.75rem, 1.8vw, 0.9rem);
    font-weight: bold;
    padding: clamp(8px, 1.5vh, 12px) clamp(4px, 1.2vw, 8px);
    border: none;
    background-color: var(--color-key-bg);
    color: var(--color-key-text);
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
    -webkit-tap-highlight-color: transparent;
    min-width: clamp(26px, 4.5vw, 32px);
    max-width: 45px;
    flex: 1;
}

@media (min-width: 769px) {
    .key {
        padding: 12px 0;
        font-size: 0.9rem;
        min-width: 30px;
    }
}

@media (max-width: 768px) {
    .key {
        padding: 10px 4px;
        font-size: 0.85rem;
        min-width: 28px;
    }
}

.key:hover {
    background-color: var(--color-key-bg-hover);
}

/* Greyed out key state */
.key.greyed {
    background-color: #555 !important;
    color: #888 !important;
    opacity: 0.5;
    position: relative;
}

.key.greyed::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 2px;
    background-color: #888;
    transform: translateY(-50%);
}

/* Dark mode greyed keys */
body.dark-mode .key.greyed {
    background-color: #2a2a2a !important;
    color: #666 !important;
}

body.dark-mode .key.greyed::after {
    background-color: #666;
}

/* Make Enter and Backspace keys wider */
.key.wide-key {
    flex: 1.5;
    font-size: clamp(0.6rem, 1.5vw, 0.8rem);
}

/* Footer with social links */
.game-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(20, 20, 30, 0.98), rgba(20, 20, 30, 0.85));
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(98, 114, 164, 0.2);
    padding: clamp(0.6rem, 1.5vh, 0.9rem) clamp(1rem, 3vw, 2rem);
    z-index: 100;
}

.footer-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: clamp(0.8rem, 2vw, 1.5rem);
    flex-wrap: wrap;
}

.footer-text {
    color: rgba(255, 255, 255, 0.6);
    font-size: clamp(0.7rem, 1.8vw, 0.85rem);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.social-links {
    display: flex;
    gap: clamp(0.7rem, 2vw, 1.1rem);
    align-items: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(2rem, 5vw, 2.5rem);
    height: clamp(2rem, 5vw, 2.5rem);
    border-radius: 50%;
    background: rgba(98, 114, 164, 0.1);
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at center, rgba(98, 114, 164, 0.3), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-link:hover {
    background: rgba(98, 114, 164, 0.25);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(98, 114, 164, 0.3);
}

.social-link:hover::before {
    opacity: 1;
}

.social-link:active {
    transform: translateY(0);
}

.social-link svg {
    position: relative;
    z-index: 1;
    width: clamp(1rem, 2.5vw, 1.1rem);
    height: clamp(1rem, 2.5vw, 1.1rem);
}

/* Adjust body padding to account for footer */
body {
    padding-bottom: clamp(3.5rem, 8vh, 5rem);
}

/* Footer responsiveness */
@media (max-width: 480px) {
    .footer-content {
        justify-content: center;
        text-align: center;
        gap: 0.6rem;
    }
    
    .footer-text {
        width: 100%;
        margin-bottom: 0.2rem;
    }
}