/* ============================================
   CONTENEDOR DE FORMULARIO
   ============================================ */
.form-container {
    background: #FFFFFF;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   GRUPOS DE FORMULARIO
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #DDD;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #F9F9F9;
}

.form-group input:focus {
    outline: none;
    border-color: #4A90E2;
    background: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-group input.invalid {
    border-color: #E74C3C;
}

.form-group input.valid {
    border-color: #50C878;
}

/* ============================================
   CHECKBOX
   ============================================ */
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    margin-top: 2px;
    flex-shrink: 0;
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-group .error-message {
    flex-basis: 100%;
    margin-top: 0;
    margin-left: 30px;
}

/* ============================================
   MENSAJES DE ERROR Y AYUDA
   ============================================ */
.error-message {
    display: block;
    color: #dc2626;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 5px;
    min-height: 20px;
}

.help-text {
    display: block;
    color: #666;
    font-size: 0.85rem;
    margin-top: 5px;
    font-style: italic;
}

/* ============================================
   REQUISITOS DE CONTRASEÑA
   ============================================ */
.password-requirements {
    background: #F0F8FF;
    border-left: 4px solid #4A90E2;
    padding: 15px;
    margin: 15px 0;
    border-radius: 4px;
}

.password-requirements p {
    margin: 0 0 10px 0;
    font-weight: 600;
    color: #333;
    font-size: 0.9rem;
}

.password-requirements ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.password-requirements li {
    padding: 5px 0;
    color: #666;
    font-size: 0.9rem;
    position: relative;
    padding-left: 25px;
}

.password-requirements li {
    transition: color 0.2s ease, transform 0.2s ease;
}

.password-requirements .password-requirement-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 9999px;
    flex-shrink: 0;
    font-size: 0.75rem;
    font-weight: 700;
    color: #dc2626;
    background: rgba(220, 38, 38, 0.12);
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.password-requirements li.valid {
    color: #166534;
    transform: translateX(2px);
}

.password-requirements li.valid .password-requirement-icon {
    color: #166534;
    background: rgba(22, 101, 52, 0.12);
}

/* ============================================
   CAMPO REQUERIDO
   ============================================ */
.required {
    color: #E74C3C;
    font-weight: bold;
}

/* ============================================
   BOTONES DE FORMULARIO
   ============================================ */
.btn-submit {
    width: 100%;
    background: #4A90E2;
    color: #FFFFFF;
    border: none;
    padding: 15px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn-submit:hover {
    background: #357ABD;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

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

.btn-submit:disabled {
    background: #CCC;
    cursor: not-allowed;
    transform: none;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.form-actions .btn-submit {
    flex: 1;
    margin-top: 0;
}

.btn-cancel {
    flex: 1;
    background: #E0E0E0;
    color: #333;
    border: none;
    padding: 15px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-cancel:hover {
    background: #CFCFCF;
}

/* ============================================
   ENLACE DE LOGIN
   ============================================ */
.login-link {
    text-align: center;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid #EEE;
}

.login-link p {
    color: #666;
    font-size: 0.95rem;
}

.login-link a {
    color: #4A90E2;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.login-link a:hover {
    color: #357ABD;
    text-decoration: underline;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .form-container {
        padding: 25px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .form-actions {
        flex-direction: column;
    }
}