/* ==========================================================================
   CALCULADORA DE PUNTAJES - CSS
   ========================================================================== */

/* --- DROPDOWN MENU EN HEADER --- */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > a {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
}

.nav-dropdown-icon {
    font-size: 0.7rem;
    transition: transform var(--transition-speed);
}

.nav-dropdown.active .nav-dropdown-icon {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 0.5rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color-default);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    min-width: 220px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed), visibility var(--transition-speed);
    z-index: 1000;
}

.nav-dropdown.active .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.nav-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-speed);
    border-left: 3px solid transparent;
}

.nav-dropdown-menu a:hover {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border-left-color: var(--primary-accent);
}

.nav-dropdown-menu a.active-nav {
    background-color: var(--bg-card);
    color: var(--primary-accent);
    border-left-color: var(--primary-accent);
}

.nav-dropdown-menu .dropdown-icon {
    font-size: 1.2rem;
    opacity: 0.8;
}

/* --- SECCIÓN CALCULADORA --- */
.calculadora-section {
    padding: 4rem 0;
    min-height: calc(100vh - 70px);
}

.calculadora-header {
    text-align: center;
    margin-bottom: 3rem;
}

.calculadora-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.calculadora-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* --- SELECTOR DE UNIVERSIDAD --- */
.universidad-selector {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.universidad-btn {
    padding: 1rem 2rem;
    background-color: var(--bg-card);
    border: 2px solid var(--border-color-default);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    min-width: 150px;
}

.universidad-btn:hover {
    border-color: var(--primary-accent);
    background-color: var(--bg-surface);
    transform: translateY(-2px);
}

.universidad-btn.active {
    border-color: var(--primary-accent);
    background-color: var(--bg-surface);
    color: var(--primary-accent);
    box-shadow: 0 0 20px rgba(var(--primary-accent-rgb), 0.3);
}

.universidad-btn .uni-logo {
    font-size: 2rem;
}

.universidad-btn .uni-name {
    font-size: 0.9rem;
}

/* --- CONTENEDOR PRINCIPAL --- */
.calculadora-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* --- PANEL DE INPUTS --- */
.calculadora-inputs {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid var(--border-color-default);
}

.calculadora-inputs h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.3rem;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color-default);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-speed);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(var(--primary-accent-rgb), 0.1);
}

.input-group input[type="number"] {
    appearance: textfield;
    -moz-appearance: textfield;
}

.input-group input[type="number"]::-webkit-inner-spin-button,
.input-group input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.input-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    opacity: 0.8;
}

/* --- INPUT CON BADGE (Cálculo instantáneo) --- */
.input-with-badge {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.input-with-badge input {
    flex: 1;
}

.calc-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color-default);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    min-width: 100px;
    justify-content: center;
    transition: all var(--transition-speed);
}

.calc-badge.positive {
    background-color: rgba(76, 175, 80, 0.1);
    border-color: rgba(76, 175, 80, 0.3);
    color: #4CAF50;
}

.calc-badge.negative {
    background-color: rgba(244, 67, 54, 0.1);
    border-color: rgba(244, 67, 54, 0.3);
    color: #F44336;
}

.calc-badge.neutral {
    background-color: rgba(158, 158, 158, 0.1);
    border-color: rgba(158, 158, 158, 0.3);
    color: var(--text-secondary);
}

/* Responsive: En móviles, el badge va abajo */
@media (max-width: 768px) {
    .input-with-badge {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    
    .calc-badge {
        width: 100%;
    }
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

/* --- BOTÓN CALCULAR --- */
.btn-calcular {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
    border: none;
    border-radius: var(--border-radius);
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--transition-speed);
    margin-top: 1rem;
}

.btn-calcular:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(var(--primary-accent-rgb), 0.3);
}

.btn-calcular:active {
    transform: translateY(0);
}

.btn-calcular:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* --- PANEL DE RESULTADOS --- */
.calculadora-resultados {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid var(--border-color-default);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.calculadora-resultados h3 {
    margin-bottom: 0;
    color: var(--text-primary);
    font-size: 1.3rem;
}

.resultado-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    text-align: center;
    padding: 2rem;
}

.resultado-placeholder .icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.resultado-placeholder p {
    font-size: 1.1rem;
}

/* --- RESULTADO PRINCIPAL --- */
.resultado-principal {
    background: linear-gradient(135deg, var(--bg-surface), var(--bg-card));
    border: 2px solid var(--primary-accent);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
}

.resultado-principal .label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.resultado-principal .valor {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-accent);
    margin-bottom: 0.5rem;
}

.resultado-principal .maximo {
    font-size: 1rem;
    color: var(--text-secondary);
}

.resultado-aprobado {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    margin-top: 1rem;
}

.resultado-aprobado.aprobado {
    background-color: rgba(76, 175, 80, 0.2);
    color: #4CAF50;
}

.resultado-aprobado.no-aprobado {
    background-color: rgba(244, 67, 54, 0.2);
    color: #F44336;
}

/* --- DETALLES --- */
.resultado-detalles {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detalle-item {
    background-color: var(--bg-surface);
    border-radius: var(--border-radius);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.detalle-item .label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.detalle-item .valor {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
}

/* --- BARRA DE PROGRESO --- */
.progress-bar-container {
    margin-top: 1rem;
}

.progress-bar-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.progress-bar {
    width: 100%;
    height: 12px;
    background-color: var(--bg-surface);
    border-radius: 6px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
    border-radius: 6px;
    transition: width 0.5s ease;
}

/* --- BANNER DE CONVERSIÓN --- */
.conversion-banner {
    margin-top: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(59, 130, 246, 0.1));
    border: 2px solid var(--primary-accent);
    border-radius: var(--border-radius);
    text-align: center;
}

.conversion-banner-header {
    margin-bottom: 1rem;
}

.conversion-emoji {
    font-size: 3rem;
    display: block;
    margin-bottom: 0.5rem;
}

.conversion-banner-header h3 {
    color: var(--primary-accent);
    font-size: 1.8rem;
    margin: 0;
}

.conversion-message {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.conversion-benefits {
    background-color: var(--bg-surface);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    text-align: left;
}

.conversion-benefits h4 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    text-align: center;
}

.conversion-benefits ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.conversion-benefits li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color-default);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.conversion-benefits li:last-child {
    border-bottom: none;
}

.benefit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.conversion-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.conversion-footer {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* --- RESPONSIVE --- */
@media (max-width: 968px) {
    .calculadora-container {
        grid-template-columns: 1fr;
    }
    
    .input-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .calculadora-header h1 {
        font-size: 2rem;
    }
    
    .universidad-selector {
        flex-direction: column;
        align-items: stretch;
    }
    
    .universidad-btn {
        flex-direction: row;
        justify-content: center;
    }
    
    .resultado-principal .valor {
        font-size: 2.5rem;
    }
}

/* --- ANIMACIONES --- */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.calculadora-inputs,
.calculadora-resultados {
    animation: slideIn 0.5s ease;
}

/* --- TOOLTIP --- */
.tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
    margin-left: 0.25rem;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: var(--bg-surface);
    color: var(--text-primary);
    text-align: center;
    border-radius: var(--border-radius);
    padding: 0.5rem;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.85rem;
    border: 1px solid var(--border-color-default);
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}