/* Colores corporativos */
:root {
    --primary-blue: #1a73e8;
    --light-blue: #e8f0fe;
    --sky-blue: #87ceeb;
    --white: #ffffff;
    --text-dark: #202124;
    --text-light: #5f6368;
    --border-color: #dadce0;
    --shadow: rgba(60, 64, 67, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--sky-blue) 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-dark);
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

.form-wrapper {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 10px var(--shadow);
    padding: 40px;
    margin-top: 20px;
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--light-blue);
}

.form-header h1 {
    color: var(--primary-blue);
    font-size: 32px;
    font-weight: 400;
    margin-bottom: 10px;
}

.subtitle {
    color: var(--text-light);
    font-size: 16px;
}

.form-section {
    animation: fadeIn 0.3s ease-in;
}

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

.question {
    margin-bottom: 30px;
}

.question-label {
    display: block;
    font-size: 18px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.5;
}

.radio-group,
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--white);
}

.radio-label:hover,
.checkbox-label:hover {
    background: var(--light-blue);
    border-color: var(--primary-blue);
}

.radio-label input[type="radio"],
.checkbox-label input[type="checkbox"] {
    margin-right: 12px;
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-blue);
}

.radio-label span,
.checkbox-label span {
    font-size: 16px;
    color: var(--text-dark);
    flex: 1;
}

.button-group {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    gap: 15px;
}

.btn-next,
.btn-back,
.btn-submit {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 120px;
}

.btn-next,
.btn-submit {
    background: var(--primary-blue);
    color: var(--white);
    margin-left: auto;
}

.btn-next:hover,
.btn-submit:hover {
    background: #1557b0;
    box-shadow: 0 2px 5px rgba(26, 115, 232, 0.4);
}

.btn-back {
    background: var(--white);
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
}

.btn-back:hover {
    background: var(--light-blue);
}

.contact-form {
    margin-top: 30px;
}

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

.form-group label {
    display: block;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: all 0.2s;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px var(--light-blue);
}

.success-message {
    background: #e8f5e9;
    border-left: 4px solid #4caf50;
    padding: 20px;
    border-radius: 4px;
    margin-bottom: 30px;
}

.success-message h2 {
    color: #2e7d32;
    font-size: 24px;
    margin-bottom: 10px;
}

.success-message p {
    color: #424242;
    line-height: 1.6;
}

.error-message {
    background: #ffebee;
    border-left: 4px solid #f44336;
    padding: 20px;
    border-radius: 4px;
    margin-bottom: 30px;
}

.error-message h2 {
    color: #c62828;
    font-size: 24px;
    margin-bottom: 10px;
}

.error-message p {
    color: #424242;
    line-height: 1.6;
    margin-bottom: 10px;
}

.error-message a {
    color: var(--primary-blue);
    text-decoration: none;
}

.error-message a:hover {
    text-decoration: underline;
}

.loading {
    text-align: center;
    padding: 40px;
}

.spinner {
    border: 4px solid var(--light-blue);
    border-top: 4px solid var(--primary-blue);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.success-message-final {
    text-align: center;
    padding: 40px;
    background: #e8f5e9;
    border-radius: 4px;
    margin-top: 20px;
}

.success-message-final h2 {
    color: #2e7d32;
    font-size: 24px;
    margin-bottom: 10px;
}

.success-message-final p {
    color: #424242;
    font-size: 16px;
}

.already-submitted {
    text-align: center;
    padding: 40px;
    background: #e3f2fd;
    border-left: 4px solid var(--primary-blue);
    border-radius: 4px;
    margin-top: 20px;
}

.already-submitted h2 {
    color: var(--primary-blue);
    font-size: 24px;
    margin-bottom: 15px;
}

.already-submitted p {
    color: #424242;
    line-height: 1.6;
    margin-bottom: 10px;
}

.already-submitted a {
    color: var(--primary-blue);
    text-decoration: none;
}

.already-submitted a:hover {
    text-decoration: underline;
}

/* Avisos (toast) */
.aviso-container {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
    max-width: 90%;
}

.aviso {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15), 0 0 1px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--primary-blue);
    min-width: 320px;
    max-width: 480px;
    pointer-events: auto;
    animation: avisoEntrada 0.35s ease-out;
}

.aviso.aviso-error {
    border-left-color: #d32f2f;
}

.aviso.aviso-error .aviso-icono {
    color: #d32f2f;
}

.aviso-icono {
    flex-shrink: 0;
    font-size: 24px;
    color: var(--primary-blue);
}

.aviso-texto {
    flex: 1;
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.4;
}

.aviso-cerrar {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 4px;
    font-size: 20px;
    line-height: 1;
    transition: color 0.2s;
}

.aviso-cerrar:hover {
    color: var(--text-dark);
}

@keyframes avisoEntrada {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes avisoSalida {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-8px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .aviso {
        min-width: 280px;
        padding: 14px 16px;
    }

    .form-wrapper {
        padding: 20px;
    }

    .form-header h1 {
        font-size: 24px;
    }

    .button-group {
        flex-direction: column;
    }

    .btn-next,
    .btn-back,
    .btn-submit {
        width: 100%;
    }
}