:root {
    --bg-color: #121213;
    --text-color: #ffffff;
    --border-color: #3a3a3c;
    --cell-empty-bg: #121213;
    --cell-filled-border: #565758;
    
    --color-correct: #538d4e;
    --color-present: #b59f3b;
    --color-absent: #3a3a3c;
    
    --key-bg: #818384;
    --key-bg-hover: #989a9c;
    
    --toast-bg: #e3e3e1;
    --toast-text: #121213;
}

body.light-theme {
    --bg-color: #ffffff;
    --text-color: #121213;
    --border-color: #d3d6da;
    --cell-empty-bg: #ffffff;
    --cell-filled-border: #878a8c;
    
    --color-correct: #6aaa64;
    --color-present: #c9b458;
    --color-absent: #787c7e;
    
    --key-bg: #d3d6da;
    --key-bg-hover: #e2e4e6;
    
    --toast-bg: #121213;
    --toast-text: #ffffff;
}

body.high-contrast {
    --color-correct: #f5793a;
    --color-present: #85c0f9;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Outfit', sans-serif;
    display: flex;
    justify-content: center;
    /* Use dynamic viewport height to account for mobile browser toolbars */
    height: 100dvh; 
    overflow: hidden;
}

.game-container {
    width: 100%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    height: 100%;
    /* Add padding for iOS home indicator/notches */
    padding-bottom: env(safe-area-inset-bottom, 10px);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 60px;
    border-bottom: 1px solid var(--border-color);
}

h1 {
    font-weight: 700;
    font-size: 28px;
    letter-spacing: 1px;
}

.header-icon {
    font-size: 20px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.header-icon:hover {
    opacity: 1;
}

#board-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    overflow: hidden;
}

#board {
    display: grid;
    /* Columns are set dynamically in JS */
    grid-gap: 5px;
    padding: 10px;
    width: 100%;
    max-width: 350px;
}

.tile {
    width: 100%;
    aspect-ratio: 1;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    font-weight: 700;
    line-height: 2rem;
    text-transform: uppercase;
    border: 2px solid var(--border-color);
    background-color: var(--cell-empty-bg);
    user-select: none;
}

.tile[data-state="tbd"] {
    border-color: var(--cell-filled-border);
    animation: pop 0.1s ease-in-out;
}

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

.tile[data-state="correct"] {
    background-color: var(--color-correct);
    border-color: var(--color-correct);
}

.tile[data-state="present"] {
    background-color: var(--color-present);
    border-color: var(--color-present);
}

.tile[data-state="absent"] {
    background-color: var(--color-absent);
    border-color: var(--color-absent);
}

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

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

.shake {
    animation: shake 0.5s;
}

@keyframes shake {
    10%, 90% { transform: translateX(-1px); }
    20%, 80% { transform: translateX(2px); }
    30%, 50%, 70% { transform: translateX(-4px); }
    40%, 60% { transform: translateX(4px); }
}


#keyboard {
    height: 200px;
    padding: 0 8px 8px;
    user-select: none;
}

.keyboard-row {
    display: flex;
    width: 100%;
    margin: 0 auto 8px;
    touch-action: manipulation;
}

#keyboard button {
    font-family: inherit;
    font-weight: 600;
    border: 0;
    padding: 0;
    margin: 0 4px 0 0;
    height: 58px;
    border-radius: 4px;
    cursor: pointer;
    user-select: none;
    background-color: var(--key-bg);
    color: var(--text-color);
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    text-transform: uppercase;
    font-size: 14px;
    transition: background-color 0.1s ease;
}

#keyboard button:last-of-type {
    margin: 0;
}

#keyboard button:hover {
    background-color: var(--key-bg-hover);
}

#keyboard button.wide-button {
    flex: 1.5;
    font-size: 12px;
}

.spacer-half {
    flex: 0.5;
}

#keyboard button[data-state="correct"] {
    background-color: var(--color-correct);
}

#keyboard button[data-state="present"] {
    background-color: var(--color-present);
}

#keyboard button[data-state="absent"] {
    background-color: var(--color-absent);
}


/* Toast notification */
#toast-container {
    position: fixed;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
}

.toast {
    background-color: var(--toast-bg);
    color: var(--toast-text);
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 14px;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

/* Modal Dialog Styles */
dialog {
    margin: auto;
    padding: 0;
    border: none;
    border-radius: 8px;
    background-color: var(--bg-color);
    color: var(--text-color);
    max-width: 90vw;
    width: 400px;
    box-shadow: 0 4px 23px 0 rgba(0, 0, 0, 0.2);
}

dialog::backdrop {
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
}

.dialog-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.dialog-header h2 {
    font-size: 20px;
}

.close-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.instructions p {
    margin-bottom: 15px;
    font-size: 15px;
    line-height: 1.4;
}

.instructions ul {
    margin-left: 20px;
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.5;
}

.example {
    margin-bottom: 15px;
}

.example p {
    font-size: 14px;
    margin-top: 5px;
}

.example-tiles {
    display: flex;
    gap: 5px;
    margin-bottom: 8px;
}

.example-tiles .tile {
    width: 40px;
    height: 40px;
    font-size: 20px;
    line-height: 20px;
}

/* Settings Styles */
.settings-list {
    display: flex;
    flex-direction: column;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.setting-text h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.setting-text p {
    font-size: 12px;
    opacity: 0.8;
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
    margin-left: 15px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--key-bg);
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--color-correct);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--color-correct);
}

input:checked + .slider:before {
    transform: translateX(20px);
}


/* Reload Splash Screen Overlay */
.splash-overlay {
    display: none; /* Shown via JS */
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    position: fixed;
    top: 0; left: 0;
    background: var(--bg-color);
    z-index: 9999;
    pointer-events: none;
    animation: fadeOutSplash 0.5s ease 2.5s forwards;
}
@keyframes fadeOutSplash {
    to { opacity: 0; visibility: hidden; display: none; }
}
.splash-wordle-logo {
    display: flex;
    gap: 8px;
    margin-bottom: 30px;
}
.splash-letter {
    width: 55px;
    height: 55px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 32px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-color);
    background: transparent;
    border: 2px solid var(--border-color);
    opacity: 0;
    transform: rotateX(90deg);
    animation: flipInSplash 0.8s ease-in-out forwards;
    animation-delay: var(--delay);
}
@keyframes flipInSplash {
    0% { opacity: 0; transform: rotateX(90deg); background: transparent; border-color: var(--border-color); color: var(--text-color); }
    50% { opacity: 1; transform: rotateX(0deg); background: transparent; border-color: var(--border-color); color: var(--text-color); }
    51% { background: var(--color-correct); border-color: var(--color-correct); color: white; }
    100% { opacity: 1; transform: rotateX(0deg); background: var(--color-correct); border-color: var(--color-correct); color: white; }
}
.splash-letter:nth-child(2) { animation-name: flipInYellowSplash; }
.splash-letter:nth-child(3) { animation-name: flipInGraySplash; }
.splash-letter:nth-child(5) { animation-name: flipInGraySplash; }

@keyframes flipInYellowSplash {
    0% { opacity: 0; transform: rotateX(90deg); background: transparent; border-color: var(--border-color); color: var(--text-color); }
    50% { opacity: 1; transform: rotateX(0deg); background: transparent; border-color: var(--border-color); color: var(--text-color); }
    51% { background: var(--color-present); border-color: var(--color-present); color: white; }
    100% { opacity: 1; transform: rotateX(0deg); background: var(--color-present); border-color: var(--color-present); color: white; }
}
@keyframes flipInGraySplash {
    0% { opacity: 0; transform: rotateX(90deg); background: transparent; border-color: var(--border-color); color: var(--text-color); }
    50% { opacity: 1; transform: rotateX(0deg); background: transparent; border-color: var(--border-color); color: var(--text-color); }
    51% { background: var(--key-bg); border-color: var(--border-color); color: var(--text-color); }
    100% { opacity: 1; transform: rotateX(0deg); background: var(--key-bg); border-color: var(--border-color); color: var(--text-color); }
}
.splash-made-with-love {
    position: absolute;
    bottom: 40px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0;
    animation: fadeInSplash 1s forwards;
    animation-delay: 1.5s;
    text-align: center;
}
@keyframes fadeInSplash { to { opacity: 0.6; } }