/* Contenedor general con efecto vidrio (similar al diseño de la captura) */
.zc-retro-wrapper {
    display: flex;
    justify-content: center;
    padding: 40px 16px;
}

.zc-retro-card {
    width: 100%;
    max-width: 900px;
    padding: 28px 32px 26px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.80);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
    box-sizing: border-box;
}

/* Títulos */
.zc-retro-title {
    margin: 0 0 4px;
    font-size: 28px;
    font-weight: 800;
    text-align: center;
    color: #0b2750;
}

.zc-retro-subtitle {
    margin: 0 0 22px;
    font-size: 14px;
    text-align: center;
    color: #1f2933;
}

/* Formulario */
.zc-retro-form {
    width: 100%;
    box-sizing: border-box;
}

.zc-retro-row {
    width: 100%;
    margin-bottom: 14px;
}

.zc-retro-row label {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    font-weight: 600;
    color: #1f2933;
}

.zc-retro-required {
    color: #e11d48;
}

/* Inputs */
.zc-retro-row input[type="text"],
.zc-retro-row input[type="email"],
.zc-retro-row input[type="file"],
.zc-retro-row select,
.zc-retro-row textarea {
    width: 100%;
    padding: 8px 10px;
    font-size: 13px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.8);
    background-color: rgba(255, 255, 255, 0.85);
    color: #111827;
    outline: none;
    box-sizing: border-box;
}

.zc-retro-row textarea {
    border-radius: 14px;
    min-height: 110px;
    resize: vertical;
}

.zc-retro-row input:focus,
.zc-retro-row select:focus,
.zc-retro-row textarea:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.25);
    background-color: #ffffff;
}

/* Dos columnas (Email + Archivo) */
.zc-retro-two-cols {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

/* Mensajes de estado */
.zc-retro-msg {
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 16px;
    border-left: 4px solid transparent;
}

.zc-retro-success {
    background: #ecfdf5;
    color: #166534;
    border-color: #16a34a;
}

.zc-retro-error {
    background: #fef2f2;
    color: #b91c1c;
    border-color: #ef4444;
}

.zc-retro-msg ul {
    margin: 4px 0 0 18px;
    padding: 0;
}

/* Botón */
.zc-retro-actions {
    margin-top: 4px;
    display: flex;
    justify-content: center;
}

.zc-retro-button {
    width: 260px;
    padding: 10px 16px;
    border-radius: 999px;
    border: none;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    background-color: #003b73;
    color: #f9fafb;
    box-shadow: 0 10px 22px rgba(0, 59, 115, 0.45);
    transition: transform 0.08s ease, box-shadow 0.08s ease, background-color 0.1s ease;
}

.zc-retro-button:hover {
    transform: translateY(-1px);
    background-color: #002b55;
    box-shadow: 0 14px 32px rgba(0, 59, 115, 0.55);
}

.zc-retro-button:active {
    transform: translateY(0);
    box-shadow: 0 8px 18px rgba(0, 59, 115, 0.45);
}

/* Responsive */
@media (max-width: 768px) {
    .zc-retro-card {
        padding: 20px 18px 18px;
        border-radius: 18px;
    }

    .zc-retro-two-cols {
        grid-template-columns: 1fr;
    }

    .zc-retro-button {
        width: 100%;
    }
}