/* ==========================================================================
   STEEL GOAL FITNESS APP - RESPONSIVE & VISUAL OVERHAUL
   ========================================================================== */

/* Redefinir layout al máximo permitido */
:root {
    --max-width: 1200px;
    --sidebar-width: 250px;
    --global-radius: 10px;
}

/* Glassmorphism y Elevación para Tarjetas */
.card, .stat-card, .profile-stat-card, .glass-form, .exercise-card, .modal-panel, .modal-panel-inner, .modal-panel-form {
    background-color: rgba(18, 18, 18, 0.6) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
    border-radius: var(--global-radius) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) !important;
}

/* Inputs del modal de crear ejercicio: mismo radio que el resto */
.ce-input {
    border-radius: var(--global-radius) !important;
    background-color: rgba(26, 26, 26, 0.7) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
}
.ce-input:focus {
    border-color: var(--accent-light) !important;
    box-shadow: 0 0 0 3px rgba(28, 93, 68, 0.2) !important;
}

/* Elevación Hover */
.card:hover, .stat-card:hover, .exercise-card:hover {
    border-color: rgba(28, 93, 68, 0.4) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2), 0 0 15px rgba(28, 93, 68, 0.15) !important;
    transform: translateY(-3px);
}

/* Desactivar hover en cards agrupadas de superseries para no romper la visual */
.card[style*="border-bottom-left-radius: 0"]:hover {
    transform: none;
}

/* Botones Premium */
.btn {
    border-radius: var(--global-radius) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(28, 93, 68, 0.3);
}

/* Inputs y Selects rediseñados */
input[type="text"], input[type="email"], input[type="password"], input[type="number"], select, textarea {
    background-color: rgba(26, 26, 26, 0.7) !important;
    border-radius: var(--global-radius) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    transition: all 0.2s ease !important;
}

/* Forzar idéntica altura para inputs de mini tablas (ej. RIR, Sets, Reps) */
.input-set {
    height: 48px !important;
    box-sizing: border-box !important;
}
input:focus, select:focus, textarea:focus {
    border-color: var(--accent-light) !important;
    box-shadow: 0 0 0 3px rgba(28, 93, 68, 0.2) !important;
}

/* Headers fijados con cristal esmerilado */
.page-header, .tracker-header {
    background: rgba(10, 10, 10, 0.75) !important;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
}

/* Ajustar el listado de búsqueda del modal */
.modal-ex-row {
    padding: 16px 12px !important;
    border-radius: var(--global-radius);
}
.modal-ex-row:hover {
    background: rgba(255,255,255,0.02);
}

/* ==========================================================================
   DESKTOP LAYOUT (>= 768px)
   ========================================================================== */
@media (min-width: 768px) {
    /* El contenedor escala y deja margen a la izquierda para el sidebar */
    .app-container {
        padding-bottom: 0 !important;
        padding-left: var(--sidebar-width) !important;
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }

    /* La nav bar inferior pasa a ser Sidebar Izquierdo */
    .bottom-nav {
        top: 0;
        left: 0;
        bottom: 0;
        width: var(--sidebar-width) !important;
        height: 100vh !important;
        flex-direction: column !important;
        justify-content: flex-start !important;
        padding-top: var(--spacing-md) !important;
        transform: none !important;
        border-top: none !important;
        border-right: 1px solid rgba(255, 255, 255, 0.05) !important;
        background: rgba(12, 12, 12, 0.85) !important;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        align-items: stretch !important;
    }

    /* Logo visible en sidebar desktop */
    .nav-logo {
        display: block;
        padding: 0 var(--spacing-sm) var(--spacing-md);
        border-bottom: 1px solid rgba(255,255,255,0.05);
        margin-bottom: var(--spacing-sm);
    }

    /* Footer de versión visible solo en sidebar */
    .app-footer {
        display: flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        bottom: 16px;
        left: 0;
        width: var(--sidebar-width);
        pointer-events: none;
    }

    /* Iconos + Textos lado a lado en el nav */
    .nav-item {
        flex-direction: row !important;
        justify-content: flex-start !important;
        gap: 16px !important;
        padding: 16px 32px !important;
        font-size: 1.05rem !important;
    }

    .nav-item.action-btn {
        justify-content: center !important;
        margin: var(--spacing-lg) 0 !important;
        transform: translateY(0) !important;
    }
    
    .nav-item.action-btn i {
        font-size: 4rem !important;
        box-shadow: 0 4px 20px rgba(28,93,68,0.5) !important;
    }

    /* Expansión de Gráficos Rápidos al ancho total */
    .quick-stats {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--spacing-md) !important;
    }
    .profile-stats-grid {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: var(--spacing-md) !important;
    }

    /* Grilla auto-ajustable de Ejercicios (para ejercicios.php o donde se use) */
    #exercises-list, .exercises-grid-wrapper {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: var(--spacing-md);
    }
    #exercises-list .exercise-card, .exercises-grid-wrapper .exercise-card {
        margin-bottom: 0 !important;
    }
    
    /* Panel central amplio para modales */
    .modal-panel, .modal-panel-inner {
        max-width: 800px !important;
        width: 100% !important;
        margin: 40px auto;
        border-radius: var(--global-radius) !important;
    }
    
    /* Dos columnas para la lista interna del buscador de ejercicios */
    .modal-ex-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .modal-ex-row {
        border-bottom: none !important;
        background: rgba(255,255,255,0.03);
    }
}