/* Estilos para aplicación bancaria - Tonos Menta Oscuro */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --menta-oscuro: #2d5a5a;
    --menta-medio: #3d7a7a;
    --menta-claro: #5d9a9a;
    --menta-suave: #7dbaba;
    --blanco: #ffffff;
    --gris-claro: #f8f9fa;
    --gris-medio: #6c757d;
    --error: #dc3545;
    --exito: #28a745;
    --warning: #ffc107;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--menta-oscuro), var(--menta-medio));
    min-height: 100vh;
    color: var(--blanco);
    padding: 10px;
}

.container {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
}

.logo-container {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    max-width: 75px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--menta-suave);
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--blanco);
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--menta-suave);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 15px rgba(93, 154, 154, 0.3);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--blanco);
    font-size: 16px;
    cursor: pointer;
}

.form-select option {
    background: var(--menta-oscuro);
    color: var(--blanco);
}

.btn {
    padding: 15px 25px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: 100%;
    margin-bottom: 10px;
}

.btn-primary {
    background: linear-gradient(45deg, var(--menta-medio), var(--menta-claro));
    color: var(--blanco);
    box-shadow: 0 4px 15px rgba(93, 154, 154, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(93, 154, 154, 0.6);
}

.btn-success {
    background: linear-gradient(45deg, var(--exito), #34ce57);
    color: var(--blanco);
}

.btn-danger {
    background: linear-gradient(45deg, var(--error), #e74c3c);
    color: var(--blanco);
}

.btn-warning {
    background: linear-gradient(45deg, var(--warning), #f39c12);
    color: var(--menta-oscuro);
}

.btn-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 20px 0;
}

.btn-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 15px 0;
}

.number-btn {
    padding: 20px;
    font-size: 24px;
    font-weight: bold;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--blanco);
    cursor: pointer;
    transition: all 0.2s ease;
    touch-action: manipulation;
}

.number-btn:hover, .number-btn:active {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(0.95);
}

.amount-display {
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid var(--menta-suave);
    border-radius: 10px;
    padding: 15px;
    font-size: 28px;
    font-weight: bold;
    text-align: center;
    margin: 15px 0;
    color: var(--menta-suave);
}

.alert {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-error {
    background: rgba(220, 53, 69, 0.2);
    border: 1px solid var(--error);
    color: #ffebee;
}

.alert-success {
    background: rgba(40, 167, 69, 0.2);
    border: 1px solid var(--exito);
    color: #e8f5e8;
}

.bank-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin-bottom: 15px;
}

.bank-logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}

.bank-balance {
    font-size: 20px;
    font-weight: bold;
    color: var(--menta-suave);
}

.movement-item {
    background: rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--menta-claro);
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 0 8px 8px 0;
}

.movement-type-ingreso {
    border-left-color: var(--exito);
}

.movement-type-salida {
    border-left-color: var(--error);
}

.nav-tabs {
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
}

.nav-tab {
    flex: 1;
    padding: 12px;
    background: transparent;
    border: none;
    color: var(--blanco);
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-tab.active {
    background: var(--menta-claro);
}

.floating-action {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--menta-claro), var(--menta-suave));
    border: none;
    color: var(--blanco);
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(93, 154, 154, 0.5);
    transition: all 0.3s ease;
}

.floating-action:hover {
    transform: scale(1.1);
}

/* Responsive para tablets */
@media (min-width: 768px) {
    .container {
        max-width: 600px;
    }
    
    .btn-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .btn-grid-3 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Optimización táctil para móviles */
@media (max-width: 767px) {
    .number-btn {
        padding: 25px;
        font-size: 20px;
    }
    
    .btn {
        padding: 18px 25px;
        font-size: 18px;
    }
    
    .form-input {
        font-size: 18px;
        padding: 15px;
    }
}

/* Animaciones */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Modo oscuro por defecto */
.text-muted {
    color: rgba(255, 255, 255, 0.7);
}

.text-small {
    font-size: 14px;
}

.text-center {
    text-align: center;
}

.mt-3 {
    margin-top: 15px;
}

.mb-3 {
    margin-bottom: 15px;
}

.hidden {
    display: none;
}


 .password-strength, .password-match {
            margin-top: 5px;
            font-size: 14px;
            min-height: 20px;
        }
        
        .alert {
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 20px;
        }
        
        #btn-change-password:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }
        
        .nav-tab:hover:not(.active) {
            background: rgba(255, 255, 255, 0.05);
        }