@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --bg-main: #f4f7f6;
    --bg-card: #ffffff;
    --text-dark: #1e293b;
    --text-muted: #64748b;

    --brand-primary: #2563eb;
    --brand-secondary: #0ea5e9;
    --brand-accent: #f59e0b;

    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;

    --sport-soccer: #0d6efd;
    --sport-baseball: #6c757d;
    --sport-basket: #fd7e14;

    --border-soft: #e2e8f0;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.12);
}

body {
    background-color: var(--bg-main);
    color: var(--text-dark);
    font-family: 'Plus Jakarta Sans', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

h1,
h2,
h3,
h4,
h5,
h6,
.brand-logo,
.btn,
.sport-card .fw-bold {
    font-family: 'Montserrat', sans-serif;
}

/* ========================================================= */
/* ANIMACIONES                                               */
/* ========================================================= */

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }

    60% {
        opacity: 1;
        transform: scale(1.05) translateY(-5px);
    }

    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }

    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(239, 68, 68, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-8px);
    }

    100% {
        transform: translateY(0px);
    }
}

.anim-float-infinite {
    animation: float 3s ease-in-out infinite;
    display: inline-block;
}

@keyframes pulseBtn {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(37, 99, 235, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
    }
}

.anim-pulse-btn {
    animation: pulseBtn 2s infinite;
}

.anim-slide-up {
    opacity: 0;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.anim-fade-in {
    opacity: 0;
    animation: fadeIn 1s ease-out forwards;
}

.anim-bounce-in {
    opacity: 0;
    animation: bounceIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}


/* ========================================================= */
/* UTILIDADES & COMPONENTES BASE                             */
/* ========================================================= */

.card-premium {
    background: var(--bg-card);
    border: none;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-premium:hover {
    box-shadow: var(--shadow-glow);
}

.btn-premium {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    color: white;
    border: none;
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: 800;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    color: white;
}

/* ========================================================= */
/* HEADER & NAVEGACIÓN                                       */
/* ========================================================= */

.navbar-main {
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
    padding: 15px 0;
}

.navbar-brand-logo {
    font-family: 'Nunito', sans-serif;
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--brand-primary) !important;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand-logo i {
    transition: transform 0.3s ease;
}

.navbar-brand-logo:hover i {
    animation: pulse 1s infinite;
}

.nav-link-custom {
    color: var(--text-muted);
    font-weight: 700;
    margin: 0 10px;
    transition: color 0.2s;
}

.nav-link-custom:hover,
.nav-link-custom.active {
    color: var(--brand-primary);
}

/* ========================================================= */
/* PÁGINA PRINCIPAL (INDEX)                                  */
/* ========================================================= */

.hero-section {
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.sport-card {
    background: var(--bg-card);
    border: 2px solid var(--border-soft);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.sport-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-secondary);
    animation: float 3s ease-in-out infinite;
}

/* Checkbox oculto para la selección de deportes */
.sport-checkbox {
    display: none;
}

.sport-checkbox:checked+.sport-card {
    border-color: var(--brand-primary);
    background-color: #f0f4ff;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    animation: none;
    /* Remover anim flotante si se selecciona */
}

.sport-checkbox:checked+.sport-card .sport-icon {
    color: var(--brand-primary) !important;
    transform: scale(1.1);
}

.sport-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    transition: all 0.3s;
}

.dif-btn {
    border: 2px solid var(--border-soft);
    background: var(--bg-card);
    color: var(--text-muted);
    font-weight: 800;
    padding: 15px 0;
    border-radius: 12px;
    width: 100%;
    transition: all 0.2s;
}

.dif-btn:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.dif-radio {
    display: none;
}

.dif-radio:checked+.dif-btn {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
    background-color: #f0f4ff;
}

/* ========================================================= */
/* MOTOR DEL QUIZ (quiz.php)                                 */
/* ========================================================= */

.quiz-container {
    max-width: 800px;
    margin: 20px auto;
}

.quiz-header-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 15px 25px;
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.timer-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 4px solid var(--brand-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--brand-primary);
    transition: border-color 0.3s, color 0.3s;
}

.timer-circle.danger {
    border-color: var(--danger-color);
    color: var(--danger-color);
    animation: pulse-danger 1s infinite alternate;
}

@keyframes pulse-danger {
    from {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
    }

    to {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
    }
}

.progress-bar-custom {
    height: 10px;
    border-radius: 5px;
    background-color: #e2e8f0;
    overflow: hidden;
    margin-top: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-secondary), var(--brand-primary));
    width: 0%;
    transition: width 0.5s ease-out;
}

.question-text {
    font-size: 1.6rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.25;
}

.option-btn {
    display: block;
    width: 100%;
    background: var(--bg-card);
    border: 2px solid var(--border-soft);
    border-radius: 12px;
    padding: 12px 20px;
    margin-bottom: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    text-align: left;
    transition: all 0.2s;
    position: relative;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.02);
}

.option-btn:hover:not(:disabled) {
    border-color: var(--brand-secondary);
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(14, 165, 233, 0.1);
}

.option-badge {
    display: inline-block;
    width: 35px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    background: #f1f5f9;
    color: var(--brand-primary);
    border-radius: 8px;
    margin-right: 15px;
    font-weight: 800;
    transition: all 0.2s;
}

.option-btn.selected {
    border-color: var(--brand-primary);
    background-color: rgba(37, 99, 235, 0.05);
}

.option-btn.selected .option-badge {
    background: var(--brand-primary);
    color: white;
}

.option-btn.correct {
    border-color: var(--success-color);
    background-color: rgba(16, 185, 129, 0.05);
}

.option-btn.correct .option-badge {
    background: var(--success-color);
    color: white;
}

.option-btn.incorrect {
    border-color: var(--danger-color);
    background-color: rgba(239, 68, 68, 0.05);
    opacity: 0.8;
}

/* Extras para GSAP */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    /* GSAP tomará el control desde aquí */
}

/* Efecto Veredicto (Correcto) */
@keyframes correctPop {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
        box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
    }

    100% {
        transform: scale(1);
    }
}

.anim-correct {
    animation: correctPop 0.5s ease;
}

/* Efecto Veredicto (Incorrect) */
@keyframes wrongShake {

    0%,
    100% {
        transform: translateX(0);
    }

    20%,
    60% {
        transform: translateX(-5px);
    }

    40%,
    80% {
        transform: translateX(5px);
    }
}

.anim-incorrect {
    animation: wrongShake 0.4s ease;
}

.option-btn.incorrect .option-badge {
    background: var(--danger-color);
    color: white;
}

.option-btn:disabled {
    cursor: default;
}

.option-btn:disabled:not(.correct):not(.incorrect) {
    opacity: 0.6;
}

/* Animaciones */
.fade-in-up {
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Result Screen */
.score-display {
    font-size: 5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}