/* Global Styles */
:root {
    --primary-color: #1DB954;
    --primary-hover: #1ed760;
    --bg-color: #191414;
    --card-bg: #282828;
    --text-color: #FFFFFF;
    --text-secondary: #B3B3B3;
    --border-color: #404040;
    --danger-color: #e91429;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    overflow-x: hidden;
}

/* Utilities */
.hidden {
    display: none !important;
}

/* Screens */
.screen {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Loading Spinner */
.loader {
    border: 4px solid var(--card-bg);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* Login Screen */
.login-container {
    text-align: center;
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    max-width: 400px;
    width: 100%;
}

.logo {
    font-size: 64px;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-20px);
    }

    60% {
        transform: translateY(-10px);
    }
}

h1 {
    margin-bottom: 10px;
    font-weight: 700;
}

.requirements {
    margin: 20px 0;
    color: var(--text-secondary);
}

/* Buttons */
button {
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 500px;
    padding: 12px 32px;
    transition: all 0.2s ease;
}

.btn-spotify {
    background-color: var(--primary-color);
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-spotify:hover,
.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: scale(1.05);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-color);
}

.btn-secondary:hover {
    border-color: white;
    transform: scale(1.05);
}

.btn-danger {
    background-color: transparent;
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.btn-danger:hover {
    background-color: var(--danger-color);
    color: white;
}

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
    background-color: var(--primary-color);
    color: white;
}

/* Game Screen */
header {
    width: 100%;
    margin-bottom: 2rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.btn-text {
    background: none;
    color: var(--text-secondary);
    padding: 5px 10px;
}

.btn-text:hover {
    color: white;
}

.game-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    width: 100%;
    max-width: 1200px;
}

/* Player Card */
.player-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.album-art {
    width: 125px;
    height: 125px;
    background: #000;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.album-art img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

.album-art .placeholder-art {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: var(--text-secondary);
    background: #333;
}

.track-info {
    margin-bottom: 30px;
}

.track-info h2 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.track-info p {
    color: var(--text-secondary);
    font-size: 18px;
}

.controls {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.status {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 10px;
    font-style: italic;
    word-break: break-word;
}

/* Device Control */
.device-control {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    padding: 10px;
    border-radius: 6px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.device-control label {
    white-space: nowrap;
}

.volume-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px;
    border-radius: 6px;
    width: fit-content;
    /* Don't stretch full width */
    margin: 0 auto;
}

/* Score Section */
.score-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
}

.add-team-form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

input {
    background: #333;
    border: 1px solid var(--border-color);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    flex-grow: 1;
}

.scoreboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
    min-height: 100px;
}

.team-card {
    background: #333;
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    border: 1px solid transparent;
}

.team-card.leading {
    border-color: var(--primary-color);
}

.team-score {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 10px 0;
}

.score-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 15px;
}

.btn-score {
    padding: 0;
    border-radius: 12px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

/* Minus Button (Correction) - Small & Subtle */
.btn-score.minus {
    width: 32px;
    height: 32px;
    font-size: 18px;
    background: transparent;
    border: 1px solid #555;
    color: #888;
}

.btn-score.minus:hover {
    color: white;
    background: var(--danger-color);
    border-color: var(--danger-color);
}

/* Plus Button (Main Action) - Big & Prominent */
.btn-score.plus {
    width: 64px;
    height: 64px;
    font-size: 36px;
    background: var(--primary-color);
    box-shadow: 0 4px 12px rgba(29, 185, 84, 0.4);
    padding-bottom: 6px;
    /* Optical adjustment to center the + */
}

.btn-score.plus:hover {
    background: var(--primary-hover);
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(29, 185, 84, 0.6);
}

select {
    background: #333;
    color: white;
    border: 1px solid var(--border-color);
    padding: 8px;
    border-radius: 4px;
    flex-grow: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .game-layout {
        grid-template-columns: 1fr;
    }

    .player-card,
    .score-card {
        padding: 15px;
    }

    .screen {
        padding: 10px;
    }
}