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

html {
    height: 100%;
}

body {
    height: 100%;
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    font-family: "Comic Relief", system-ui;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 700px;
    width: 100%;
}

h1 {
    color: var(--bs-body-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    font-weight: 700;
}

.lead {
    color: var(--bs-body-color);
    opacity: 0.8;
    margin-bottom: 20px;
}

.stats-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.stat-box {
    background-color: var(--bs-tertiary-bg);
    border: 2px solid var(--bs-border-color);
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    transition: all 0.3s;
    min-width: 120px;
}

.stat-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--bs-body-color);
    opacity: 0.7;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 8px;
}

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

.input-group .form-select {
    background-color: var(--bs-card-bg);
    color: var(--bs-body-color);
    border-color: var(--bs-border-color);
}

.input-group .input-group-text {
    background-color: var(--bs-tertiary-bg);
    color: var(--bs-body-color);
    border-color: var(--bs-border-color);
}


.status-container {
    background-color: var(--bs-secondary-bg);
    padding: 20px;
    border-radius: 10px;
    border: 2px solid var(--bs-border-color);
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.status-text {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--bs-body-color);
    margin: 0;
    text-align: center;
    transition: all 0.3s;
}

.status-text.observing {
    color: var(--bs-info);
    animation: pulse 1s infinite;
}

.status-text.playing {
    color: var(--bs-success);
}

.status-text.error {
    color: var(--bs-danger);
    animation: shake 0.5s ease;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-10px);
    }
    75% {
        transform: translateX(10px);
    }
}

.controls-container {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#game-container {
    position: relative;
    background-color: var(--bs-tertiary-bg);
    border: 2px solid var(--bs-border-color);
    border-radius: 50%; /* Make it circular */
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    aspect-ratio: 1;
}

#gioco {
    display: grid;
    grid-template-areas:
        "green red"
        "yellow blue";
    gap: 20px;
    width: 100%;
    height: 100%;
}

.color-btn {
    cursor: pointer;
    transition: all 0.2s;
    background-size: 200% 200%;
    animation: gradientShift 5s ease infinite;
}

.color-btn.active {
    filter: brightness(1.5) saturate(1.5);
    transform: scale(0.95);
}

.color-btn:active:not(.disabled) {
    transform: scale(0.9);
}

.color-btn.disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

#green { grid-area: green; background: linear-gradient(135deg, #28a745, #20c997); border-radius: 100% 0 0 0; }
#red { grid-area: red; background: linear-gradient(135deg, #dc3545, #e83e8c); border-radius: 0 100% 0 0; }
#yellow { grid-area: yellow; background: linear-gradient(135deg, #ffc107, #ffca2c); border-radius: 0 0 0 100%; }
#blue { grid-area: blue; background: linear-gradient(135deg, #0d6efd, #0dcaf0); border-radius: 0 0 100% 0; }


@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.modal-content {
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    border: 1px solid var(--bs-border-color);
}