:root {
    --primary: #2C3E50;
    --accent: #E74C3C;
    --bg-color: #F8F9FA;
    --text: #333;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text);
}

/* Header Profesional */
header {
    background-color: var(--primary);
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
    letter-spacing: 1px;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 1.5rem;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--accent);
}

/* Contenedor Principal */
main {
    display: flex;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 3rem auto;
    gap: 3rem;
    padding: 0 2rem;
    justify-content: center;
}

/* Sección de la Ruleta */
.roulette-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pointer {
    position: absolute;
    top: -15px;
    font-size: 2.5rem;
    color: var(--accent);
    z-index: 10;
    filter: drop-shadow(0 2px 2px rgba(0,0,0,0.3));
}

canvas {
    border-radius: 50%;
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
    transition: transform 4s cubic-bezier(0.25, 1, 0.5, 1);
    border: 5px solid white;
}

/* Panel de Control */
.controls {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.05);
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.controls h2 {
    margin-top: 0;
    color: var(--primary);
}

.controls p {
    margin: 0;
    color: #666;
    font-size: 0.9rem;
}

textarea {
    width: 100%;
    height: 150px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
    resize: none;
    font-family: inherit;
    box-sizing: border-box;
}

textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.1);
}

button {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s, transform 0.1s;
}

button:hover { 
    background-color: #1a252f; 
}

button:active { 
    transform: scale(0.98); 
}

button:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
    transform: none;
}

.btn-spin {
    background-color: var(--accent);
    font-size: 1.2rem;
    padding: 15px;
}

.btn-spin:hover { 
    background-color: #c0392b; 
}

/* Modal del Ganador */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.7);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.modal-title {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.modal-winner {
    color: var(--accent);
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 2rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 10px;
    word-break: break-word;
}

.modal-close-btn {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s, transform 0.1s;
}

.modal-close-btn:hover {
    background-color: #1a252f;
}

/* Animación de confeti simple */
@keyframes celebrate {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.modal-winner {
    animation: celebrate 0.5s ease infinite;
}

/* Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav a {
        margin: 0 0.75rem;
    }
    
    main {
        margin: 1.5rem auto;
        gap: 2rem;
    }
    
    canvas {
        width: 300px;
        height: 300px;
    }
    
    .modal-content {
        padding: 2rem;
    }
    
    .modal-winner {
        font-size: 1.8rem;
    }
}