/* --- Estilos para mensajes de validaciñn, ñxito y error --- */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-weight: 500;
    border: 1px solid;
}

.alert-warning {
    background: #fef3c7; /* fondo amarillo suave */
    border-color: #f59e0b;
    color: #0b1220; /* color de texto por defecto */
}

.alert-success {
    background: #d1fae5; /* fondo verde suave */
    border-color: #10b981;
    color: #0b1220; /* color de texto por defecto */
}

.alert-error, .alert-danger {
    background: #fee2e2; /* fondo rojo suave */
    border-color: #ef4444;
    color: #0b1220; /* color de texto por defecto */
}

.alert-info {
    background: #dbeafe; /* fondo azul suave */
    border-color: #3b82f6;
    color: #0b1220; /* color de texto por defecto */
}

/* --- Resto de estilos --- */

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1zbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0"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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* --- Estilo profesional con temñtica IT --- */
:root{
    --it-bg: #0b1220; /* fondo oscuro */
    --it-surface: #0f1724; /* tarjeta / superficie */
    --it-accent: #00c2ff; /* cian brillante */
    --it-accent-2: #7c3aed; /* morado secundario */
    --it-muted: #94a3b8; /* texto secundario */
    --it-card-border: rgba(255,255,255,0.04);
}

html,body{
    height:100%;
    margin:0;
    font-family: Inter, Segoe UI, Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(180deg, var(--it-bg) 0%, #071021 100%);
    color:#e6eef7;
}

/* Contenedor de pñgina para dar estructura */
.page-card{
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
    border: 1px solid var(--it-card-border);
    border-radius: 10px;
    padding: 1.25rem;
    box-shadow: 0 6px 20px rgba(3,6,15,0.6);
    max-width: 980px;
    margin: 1.5rem auto;
}

h1{
    margin:0 0 .5rem 0;
    font-weight:600;
    color:#ffffff;
    letter-spacing:0.3px;
}

/* Menñ principal en Home */
.home-menu{
    display:flex;
    gap:1rem;
    margin-top:1rem;
    flex-wrap:wrap;
}

.home-menu .menu-item{
    display:flex;
    align-items:center;
    gap:0.75rem;
    min-width:200px;
    padding:1rem 1.25rem;
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(124,58,237,0.02));
    border:1px solid var(--it-card-border);
    border-radius:10px;
    color:var(--it-accent);
    text-decoration:none;
    transition:transform .12s ease, box-shadow .12s ease, background .12s ease;
    box-shadow: 0 6px 18px rgba(12,18,30,0.45);
}

.home-menu .menu-item:hover{
    transform:translateY(-4px);
    box-shadow: 0 14px 30px rgba(3,6,15,0.7);
    background: linear-gradient(180deg, rgba(0,194,255,0.06), rgba(124,58,237,0.03));
}

.home-menu .menu-item::before{
    content: "";
    display:inline-block;
    width:40px;
    height:40px;
    border-radius:8px;
    background:linear-gradient(135deg,var(--it-accent),var(--it-accent-2));
    box-shadow: 0 6px 14px rgba(0,0,0,0.5);
}

.home-menu .menu-item.active{
    outline: 2px solid rgba(0,194,255,0.18);
}

/* Botones */
.btn.btn-primary{
    background: linear-gradient(135deg, var(--it-accent) 0%, var(--it-accent-2) 100%);
    border: none;
    color: #051022;
    padding: 0.55rem 0.9rem;
    border-radius: 8px;
    font-weight:600;
    box-shadow: 0 8px 24px rgba(12,18,30,0.5);
    cursor:pointer;
    transition: all 0.2s ease;
}

.btn.btn-primary:hover{
    filter:brightness(1.06) saturate(1.02);
    transform:translateY(-2px);
}

.btn.btn-secondary{
    background: linear-gradient(135deg, #888888 0%, #444444 100%);
    border: none;
    color: #ffffff;
    padding: 0.55rem 0.9rem;
    border-radius: 8px;
    font-weight:600;
    box-shadow: 0 8px 24px rgba(68,68,68,0.5);
    cursor:pointer;
    transition: all 0.2s ease;
}

.btn.btn-secondary:hover{
    filter:brightness(1.06) saturate(1.02);
    transform:translateY(-2px);
    box-shadow: 0 10px 28px rgba(68,68,68,0.6);
}

.btn.btn-danger,
button.btn.btn-danger{
    background: linear-gradient(135deg, #ff4444 0%, #666666 100%) !important;
    border: none !important;
    color: #ffffff !important;
    padding: 0.55rem 0.9rem;
    border-radius: 8px;
    font-weight:600;
    box-shadow: 0 8px 24px rgba(102,102,102,0.5);
    cursor:pointer;
    transition: all 0.2s ease;
}

.btn.btn-danger:hover,
button.btn.btn-danger:hover{
    filter:brightness(1.06) saturate(1.02) !important;
    transform:translateY(-2px);
    box-shadow: 0 10px 28px rgba(102,102,102,0.6) !important;
}

.btn.btn-success {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border: none;
    color: #ffffff;
    padding: 0.55rem 0.9rem;
    border-radius: 8px;
    font-weight:600;
    box-shadow: 0 8px 24px rgba(34, 197, 94, 0.5);
    cursor:pointer;
    transition: all 0.2s ease;
}

.btn.btn-success:hover {
    filter:brightness(1.06) saturate(1.02);
    transform:translateY(-2px);
    box-shadow: 0 10px 28px rgba(34, 197, 94, 0.6);
}

/* Texto secundario */
p{ color:var(--it-muted); }

/* Formulario de presupuestos */
.presupuesto-form{
    background: rgba(255,255,255,0.015);
    border: 1px solid var(--it-card-border);
    border-radius: 8px;
    padding: 1.25rem;
}

.form-section{
    margin-bottom: 1.5rem;
}

.form-section h3{
    font-size: 1rem;
    color: var(--it-accent);
    margin: 0 0 0.75rem 0;
    font-weight: 600;
}

.form-row{
    display: flex;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.form-row label{
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: var(--it-muted);
}

.form-control{
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 6px;
    padding: 0.5rem;
    color: #e6eef7;
    font-size: 0.9rem;
}

.form-control:focus{
    outline: none;
    border-color: var(--it-accent);
    box-shadow: 0 0 0 2px rgba(0,194,255,0.1);
}

.form-control:disabled {
    background: rgba(255,255,255,0.01);
    color: #6b7280;
    cursor: not-allowed;
    opacity: 0.6;
}

/* Estilos especñficos para select (combobox) */
select.form-control {
    background: rgba(255,255,255,0.03);
    color: #e6eef7;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300c2ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

select.form-control:focus {
    outline: none;
    border-color: var(--it-accent);
    box-shadow: 0 0 0 2px rgba(0,194,255,0.1);
}

select.form-control:disabled {
    background: rgba(255,255,255,0.01);
    color: #6b7280;
    cursor: not-allowed;
    opacity: 0.6;
}

/* Opciones del select */
select.form-control option {
    background: #0f1724;
    color: #e6eef7;
    padding: 0.5rem;
}

select.form-control option:checked {
    background: rgba(0,194,255,0.2);
    color: #00c2ff;
}

textarea.form-control{
    resize: vertical;
    min-height: 80px;
}

/* Conceptos */
.concepto-row{
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.5rem;
}

.btn-delete{
    background: rgba(220,38,38,0.2);
    border: 1px solid rgba(220,38,38,0.3);
    color: #fca5a5;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
}

.btn-delete:hover{
    background: rgba(220,38,38,0.3);
}

/* Totales */
.totales-section{
    background: rgba(0,194,255,0.04);
    border: 1px solid rgba(0,194,255,0.1);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.total-row{
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.total-final{
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--it-accent);
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 0.5rem;
    margin-top: 0.5rem;
}

/* Tabla de presupuestos */
.presupuestos-table{
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.presupuestos-table thead{
    background: rgba(0,194,255,0.08);
    border-bottom: 2px solid var(--it-accent);
}

.presupuestos-table th{
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    color: var(--it-accent);
    font-size: 0.875rem;
}

.presupuestos-table td{
    padding: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.presupuestos-table tbody tr:hover{
    background: rgba(255,255,255,0.02);
}

.btn-action{
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.25rem 0.4rem;
    margin: 0 0.15rem;
    border-radius: 4px;
    transition: background 0.15s;
}

.btn-action:hover{
    background: rgba(255,255,255,0.08);
}

/* Badge de estado */
.badge{
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-pendiente{
    background: rgba(251,191,36,0.2);
    color: #fbbf24;
    border: 1px solid rgba(251,191,36,0.3);
}

.badge-aceptado, .badge-pagada{
    background: rgba(34,197,94,0.2);
    color: #4ade80;
    border: 1px solid rgba(34,197,94,0.3);
}

.badge-rechazado, .badge-vencida{
    background: rgba(220,38,38,0.2);
    color: #fca5a5;
    border: 1px solid rgba(220,38,38,0.3);
}

/* Modal de impresiñn */
.modal-overlay{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-print{
    background: white;
    border-radius: 12px;
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.print-header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.print-header h2{
    margin: 0;
    color: #000;
    font-size: 1.25rem;
}

.btn-close{
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
}

.btn-close:hover{
    color: #000;
}

.print-content{
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    background: #f9fafb;
}

.presupuesto-print{
    background: white;
    padding: 2rem;
    color: #000;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.print-header-info{
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e5e7eb;
}

.print-dates{
    margin-bottom: 1.5rem;
    color: #666;
}

.print-cliente{
    background: #f9fafb;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    color: #000;
}

.print-table{
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.print-table thead{
    background: #f3f4f6;
    border-bottom: 2px solid #d1d5db;
}

.print-table th{
    padding: 0.75rem;
    font-weight: 600;
    color: #000;
}

.print-table td{
    padding: 0.75rem;
    border-bottom: 1px solid #e5e7eb;
    color: #000;
}

.print-totals{
    margin-top: 2rem;
    padding: 1rem;
    background: #f9fafb;
    border-radius: 8px;
}

.print-total-row{
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    color: #000;
}

.print-pago{
    background: #e0f2fe;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1.5rem;
}

.print-observaciones{
    margin-top: 2rem;
    padding: 1rem;
    background: #fffbeb;
    border-left: 4px solid #f59e0b;
    border-radius: 4px;
}

.print-observaciones h4{
    margin: 0 0 0.5rem 0;
    color: #000;
}

.print-footer{
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.print-actions{
    display: flex;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid #e5e7eb;
    justify-content: flex-end;
}

@media print {
    /* Ocultar elementos de UI */
    .modal-overlay, 
    .print-header, 
    .print-actions,
    .btn,
    button {
        display: none !important;
    }
    
    /* Ocultar encabezados y pies de pñgina del navegador */
    @page {
        size: A4;
        margin: 1cm;
        /* Ocultar encabezados y pies de pñgina predeterminados */
        @top-left { content: none; }
        @top-center { content: none; }
        @top-right { content: none; }
        @bottom-left { content: none; }
        @bottom-center { content: none; }
        @bottom-right { content: none; }
    }
    
    /* Hacer que el body sea blanco */
    body {
        background: white !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    /* Hacer que el contenido de impresiñn ocupe toda la pñgina */
    .print-content {
        padding: 0 !important;
        background: white !important;
        overflow: visible !important;
        max-height: none !important;
    }
    
    /* Asegurar que el contenido del presupuesto/factura estñ bien posicionado */
    .presupuesto-print {
        box-shadow: none !important;
        max-width: 100% !important;
        padding: 1.5cm !important;
        page-break-inside: avoid;
    }
    
    /* Encabezado de la factura/presupuesto */
    .print-header-info {
        display: flex !important;
        justify-content: space-between !important;
        margin-bottom: 2rem !important;
        padding-bottom: 1rem !important;
        border-bottom: 2px solid #000 !important;
        page-break-inside: avoid;
    }
    
    .print-header-info h1 {
        color: #000 !important;
        font-size: 2rem !important;
        margin: 0 !important;
    }
    
    .print-header-info p,
    .print-header-info strong,
    .print-header-info text {
        color: #000 !important;
    }
    
    /* Fechas */
    .print-dates {
        margin-bottom: 1.5rem !important;
        color: #000 !important;
    }
    
    .print-dates p,
    .print-dates strong {
        color: #000 !important;
    }
    
    /* Cliente */
    .print-cliente {
        background: #f9fafb !important;
        padding: 1rem !important;
        border-radius: 8px !important;
        margin-bottom: 1.5rem !important;
        page-break-inside: avoid;
    }
    
    .print-cliente h3,
    .print-cliente strong,
    .print-cliente text {
        color: #000 !important;
    }
    
    /* Tabla */
    .print-table {
        width: 100% !important;
        border-collapse: collapse !important;
        margin: 1.5rem 0 !important;
        page-break-inside: auto;
    }
    
    .print-table thead {
        background: #f3f4f6 !important;
        border-bottom: 2px solid #000 !important;
    }
    
    .print-table thead th {
        padding: 0.75rem !important;
        font-weight: 600 !important;
        color: #000 !important;
        border: 1px solid #d1d5db !important;
    }
    
    .print-table tbody tr {
        page-break-inside: avoid;
        page-break-after: auto;
    }
    
    .print-table tbody td {
        padding: 0.75rem !important;
        border: 1px solid #d1d5db !important;
        color: #000 !important;
    }
    
    /* Totales */
    .print-totals {
        margin-top: 2rem !important;
        padding: 1rem !important;
        background: #f9fafb !important;
        border-radius: 8px !important;
        page-break-inside: avoid;
    }
    
    .print-total-row {
        display: flex !important;
        justify-content: space-between !important;
        margin-bottom: 0.5rem !important;
        color: #000 !important;
        font-size: 1rem !important;
    }
    
    .print-total-row span {
        color: #000 !important;
    }
    
    .print-total-row:last-child {
        font-size: 1.2rem !important;
        font-weight: 700 !important;
        border-top: 2px solid #000 !important;
        padding-top: 0.5rem !important;
        margin-top: 0.5rem !important;
    }
    
    /* Forma de pago */
    .print-pago {
        background: #e0f2fe !important;
        padding: 1rem !important;
        border-radius: 8px !important;
        margin-top: 1.5rem !important;
        page-break-inside: avoid;
    }
    
    .print-pago h4,
    .print-pago p,
    .print-pago strong {
        color: #000 !important;
    }
    
    /* Observaciones */
    .print-observaciones {
        margin-top: 2rem !important;
        padding: 1rem !important;
        background: #fffbeb !important;
        border-left: 4px solid #f59e0b !important;
        border-radius: 4px !important;
        page-break-inside: avoid;
    }
    
    .print-observaciones h4 {
        margin: 0 0 0.5rem 0 !important;
        color: #000 !important;
    }
    
    .print-observaciones p {
        color: #000 !important;
        white-space: pre-wrap !important;
    }
    
    /* Footer */
    .print-footer {
        margin-top: 2rem !important;
        padding-top: 1rem !important;
        border-top: 1px solid #d1d5db !important;
        page-break-inside: avoid;
    }
    
    .print-footer p {
        color: #666 !important;
        text-align: center !important;
        font-size: 0.85rem !important;
    }
    
    /* Asegurar que los colores se impriman */
    * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        color-adjust: exact !important;
    }
    
    /* Configuraciñn de pñgina */
    @page {
        size: A4;
        margin: 1cm;
    }
}

@media (max-width:640px){
    .home-menu{ flex-direction:column; }
    .page-card{ margin:1rem .75rem; }
    .form-row{ flex-direction: column; }
    .concepto-row{ flex-wrap: wrap; }
}

/* Animaciñn para resaltar fila de factura reciñn generada */
@keyframes highlight-fade {
    0% {
        background-color: #fef3c7;
        box-shadow: 0 0 20px rgba(251, 191, 36, 0.4);
    }
    50% {
        background-color: #fef3c7;
        box-shadow: 0 0 20px rgba(251, 191, 36, 0.4);
    }
    100% {
        background-color: transparent;
        box-shadow: none;
    }
}

/* ===== ESTILOS PARA EL AGENTE IA ===== */

.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 250px);
    min-height: 500px;
    background: rgba(255,255,255,0.01);
    border: 1px solid var(--it-card-border);
    border-radius: 10px;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.welcome-message {
    text-align: center;
    padding: 2rem;
    color: var(--it-muted);
    max-width: 600px;
    margin: auto;
}

.welcome-message .ai-avatar {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.welcome-message h2 {
    color: var(--it-accent);
    margin-bottom: 1rem;
}

.welcome-message ul {
    text-align: left;
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.welcome-message ul li {
    padding: 0.5rem 0;
    font-size: 1rem;
}

.mensaje {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    max-width: 80%;
    animation: slideInMessage 0.3s ease-out;
}

@keyframes slideInMessage {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mensaje-usuario {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.mensaje-ia {
    align-self: flex-start;
}

.mensaje-avatar {
    font-size: 2rem;
    min-width: 40px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--it-accent), var(--it-accent-2));
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0,194,255,0.3);
}

.mensaje-usuario .mensaje-avatar {
    background: linear-gradient(135deg, #888888, #444444);
}

.mensaje-contenido {
    background: rgba(255,255,255,0.05);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--it-card-border);
    max-width: 100%;
}

.mensaje-usuario .mensaje-contenido {
    background: linear-gradient(135deg, var(--it-accent) 0%, var(--it-accent-2) 100%);
    color: #051022;
    border: none;
}

.mensaje-texto {
    white-space: pre-wrap;
    word-wrap: break-word;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.mensaje-accion {
    margin-top: 0.5rem;
}

.accion-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(34,197,94,0.2);
    color: #4ade80;
    border: 1px solid rgba(34,197,94,0.3);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.mensaje-hora {
    font-size: 0.75rem;
    color: var(--it-muted);
    margin-top: 0.25rem;
    text-align: right;
}

.mensaje-usuario .mensaje-hora {
    color: rgba(5,16,34,0.6);
}

.typing-indicator {
    display: flex;
    gap: 0.4rem;
    padding: 0.5rem 0;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--it-accent);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

.chat-input-area {
    background: rgba(255,255,255,0.02);
    border-top: 1px solid var(--it-card-border);
    padding: 1rem;
}

.input-container {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--it-card-border);
    border-radius: 8px;
    padding: 0.75rem;
    color: #e6eef7;
    font-size: 1rem;
    font-family: inherit;
    resize: none;
    max-height: 150px;
    min-height: 50px;
    transition: border-color 0.2s ease;
}

.chat-input:focus {
    outline: none;
    border-color: var(--it-accent);
    box-shadow: 0 0 0 2px rgba(0,194,255,0.1);
}

.chat-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.send-button {
    min-width: 50px;
    height: 50px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.send-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.quick-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.quick-action-btn {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--it-card-border);
    color: var(--it-accent);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-action-btn:hover {
    background: rgba(0,194,255,0.1);
    border-color: var(--it-accent);
    transform: translateY(-1px);
}

/* Scroll personalizado para el chat */
.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.02);
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(0,194,255,0.3);
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(0,194,255,0.5);
}