/* CSS Custom Properties for Theming */
:root {
    --bg-color: #0a0a0a;
    --text-color: #00ff00;
    --text-glow: #00ff00;
    --error-color: #ff0000;
    --win-color: #ffff00;
    --perfect-color: #00ffff;
    --bg-tint: rgba(0, 255, 0, 0.02);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
    padding: 30px 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

h1 {
    font-size: 1.8em;
    text-shadow: 0 0 3px var(--text-glow);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.header {
    display: flex;
    gap: 40px;
    margin-bottom: 25px;
    font-size: 0.95em;
    text-shadow: 0 0 5px var(--text-glow);
}

.game-board {
    display: flex;
    gap: 60px;
    margin-bottom: 25px;
    align-items: flex-end;
}

.tower {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.tower-label {
    font-size: 0.85em;
    margin-bottom: 5px;
    text-shadow: 0 0 5px var(--text-glow);
    opacity: 0.8;
}

.tower.selected .tower-label {
    color: var(--text-color);
    text-shadow: 0 0 15px var(--text-glow), 0 0 25px var(--text-glow);
    font-weight: bold;
    opacity: 1;
}

.pole-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 20px;
    line-height: 1.1;
    white-space: pre;
}

.ascii-tower {
    text-align: center;
    text-shadow: 0 0 5px var(--text-glow);
    padding: 10px;
    background-color: var(--bg-tint);
    border-radius: 4px;
}

.controls {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

button {
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 2px solid var(--text-color);
    padding: 8px 16px;
    font-family: inherit;
    font-size: 0.85em;
    cursor: pointer;
    text-shadow: 0 0 5px var(--text-glow);
    box-shadow: 0 0 5px var(--text-glow);
    transition: all 0.2s;
}

button:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
    text-shadow: none;
    box-shadow: 0 0 10px var(--text-glow);
}

.disk-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.disk-count-display {
    min-width: 30px;
    text-align: center;
    font-size: 0.85em;
    text-shadow: 0 0 5px var(--text-glow);
}

button.small {
    padding: 4px 10px;
    font-size: 0.9em;
    min-width: 30px;
}

label {
    text-shadow: 0 0 5px var(--text-glow);
    font-size: 0.85em;
}

select {
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 2px solid var(--text-color);
    padding: 4px 28px 4px 8px;
    min-width: 100px;
    font-family: inherit;
    font-size: 0.85em;
    cursor: pointer;
    text-shadow: 0 0 5px var(--text-glow);
    box-shadow: 0 0 5px var(--text-glow);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300ff00' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}

select:focus {
    outline: none;
    box-shadow: 0 0 10px var(--text-glow);
}

select option {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.message {
    min-height: 25px;
    font-size: 0.9em;
    text-align: center;
    text-shadow: 0 0 5px var(--text-glow);
    margin-bottom: 20px;
}

.message.error {
    color: var(--error-color);
    text-shadow: 0 0 10px var(--error-color);
}

.message.win {
    color: var(--win-color);
    text-shadow: 0 0 15px var(--win-color), 0 0 25px var(--win-color);
    font-size: 1.2em;
    font-weight: bold;
}

.message.record {
    color: var(--win-color);
    text-shadow: 0 0 10px var(--win-color);
    font-weight: bold;
}

.message.perfect {
    color: var(--perfect-color);
    text-shadow: 0 0 15px var(--perfect-color), 0 0 25px var(--perfect-color);
    font-weight: bold;
}

.instructions {
    text-align: center;
    font-size: 0.8em;
    text-shadow: 0 0 3px var(--text-glow);
    max-width: 700px;
}

.github-link {
    margin-top: 20px;
    font-size: 0.8em;
}

.github-link a {
    color: var(--text-color);
    text-decoration: none;
    text-shadow: 0 0 3px var(--text-glow);
    border-bottom: 1px solid var(--text-color);
    padding-bottom: 2px;
}

.github-link a:hover {
    text-shadow: 0 0 10px var(--text-glow);
    border-bottom-width: 2px;
}

.high-score-section {
    margin: 20px 0;
    text-align: center;
}

.high-score-header {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.9em;
    flex-wrap: wrap;
}

.leaderboards-container {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.leaderboards-container.hidden {
    display: none;
}

.local-scores,
.global-scores {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.leaderboard-title {
    font-size: 0.85em;
    margin-bottom: 8px;
    text-shadow: 0 0 5px var(--text-glow);
}

.leaderboard-title select {
    font-size: 0.9em;
    padding: 2px 24px 2px 6px;
    min-width: 90px;
}

.high-score-board {
    display: inline-block;
    text-align: left;
    font-size: 0.75em;
    line-height: 1.3;
    text-shadow: 0 0 5px var(--text-glow);
    padding: 10px;
    background-color: var(--bg-tint);
    border-radius: 4px;
    margin: 0;
    min-height: 200px;
}

.high-score-board .perfect-score {
    color: var(--perfect-color);
    text-shadow: 0 0 8px var(--perfect-color);
}

/* Modal styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background-color: var(--bg-color);
    border: 2px solid var(--text-color);
    padding: 30px;
    text-align: center;
    box-shadow: 0 0 20px var(--text-glow);
}

.modal-title {
    font-size: 1.2em;
    margin-bottom: 15px;
    text-shadow: 0 0 10px var(--text-glow);
}

.modal-text {
    margin-bottom: 15px;
    font-size: 0.9em;
}

.modal input[type="text"] {
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 2px solid var(--text-color);
    padding: 10px;
    font-family: inherit;
    font-size: 1.5em;
    text-align: center;
    width: 100px;
    text-transform: uppercase;
    text-shadow: 0 0 5px var(--text-glow);
    margin-bottom: 15px;
}

.modal input[type="text"]::placeholder {
    color: var(--text-color);
    opacity: 0.3;
}

.modal input[type="text"]:focus {
    outline: none;
    box-shadow: 0 0 10px var(--text-glow);
}