/* Estilos para CAPTCHA personalizado */
.captcha-container {
    position: relative;
    background: rgba(255, 240, 245, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
}

.captcha-challenge {
    margin-bottom: 10px;
}

.captcha-display {
    background: rgba(255, 0, 255, 0.1);
    border: 1px solid var(--primary-glow);
    border-radius: 5px;
    padding: 10px;
    text-align: center;
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--primary-glow);
    user-select: none;
    text-shadow: 0 0 10px var(--primary-glow);
    letter-spacing: 3px;
    box-shadow: 0 0 15px rgba(255, 0, 255, 0.3);
}

.captcha-text {
    text-shadow: 0 0 1px var(--primary-glow), 0 0 2px var(--secondary-glow);
    letter-spacing: 2px;
}

.captcha-input-group {
    display: flex;
    align-items: center;
    margin-top: 10px;
    gap: 10px;
}

.captcha-input {
    width: calc(100% - 50px) !important;
    display: inline-block;
    margin-right: 10px;
    background: rgba(255, 255, 255, 0.1) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 5px !important;
    padding: 8px 12px !important;
    color: #8b008b !important;
    font-size: 0.9rem !important;
}

.captcha-input:focus {
    outline: none;
    border-color: var(--primary-glow) !important;
    box-shadow: 0 0 15px var(--primary-glow), 0 0 25px var(--secondary-glow) !important;
    background: rgba(255, 255, 255, 1) !important;
}

.captcha-input::placeholder {
    color: rgba(139, 0, 139, 0.6) !important;
}

.captcha-refresh {
    background: rgba(255, 20, 147, 0.2);
    border: 1px solid var(--secondary-glow);
    color: var(--secondary-glow);
    border-radius: 5px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

.captcha-refresh:hover {
   background: rgba(255, 20, 147, 0.3);
   transform: rotate(90deg);
   box-shadow: 0 0 15px var(--secondary-glow);
}

/* Estados de validación */
.captcha-container.valid {
    border-color: var(--secondary-glow);
    background: rgba(255, 20, 147, 0.1);
    box-shadow: 0 0 20px var(--secondary-glow);
}

.captcha-container.invalid {
    border-color: #ff0066;
    background: rgba(255, 0, 102, 0.1);
    box-shadow: 0 0 20px #ff0066;
}

.error-message {
    color: #ff0066;
    font-size: 0.9rem;
    margin-top: 10px;
    padding: 10px;
    background: rgba(255, 0, 102, 0.1);
    border-radius: 6px;
    border: 1px solid rgba(255, 0, 102, 0.3);
    display: none;
    font-weight: 600;
    text-align: center;
}

/* En auth.css */
.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 8px;
}

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


@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}