/**
 * WhatsApp OTP Registration Form Styles - Button Elements
 * Matches the design from html.html perfectly
 */

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #000;
    border: none;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.4s ease;
    margin-top: 30px;
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.submit-btn:hover::before {
    width: 300px;
    height: 300px;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 215, 0, 0.4);
}

.submit-btn:active {
    transform: translateY(-1px);
}

/* WordPress Integration - Button Classes */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #000;
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
    background: #ffffff;
    color: #6b7280;
    border: 2px solid #e5e7eb;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: #f9fafb;
    border-color: #d1d5db;
    color: #374151;
    transform: translateY(-1px);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-icon {
    font-size: 18px;
    width: 18px;
    height: 18px;
}

/* Form Actions */
.form-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 30px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.2s ease;
}

.password-toggle:hover {
    color: #FFD700;
}

/* Loading States */
.btn.loading {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Enhanced button loading states */
.submit-btn.loading .btn-text {
    opacity: 0.7;
}

.btn.loading {
    position: relative;
    color: transparent !important;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Button success states */
.btn.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    animation: successPulse 0.6s ease-in-out;
}

@keyframes successPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Button error states */
.btn.error {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Enhanced button interactions */
.btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.submit-btn:active {
    transform: translateY(1px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

/* Button focus states for accessibility */
.btn:focus {
    outline: 2px solid #FFD700;
    outline-offset: 2px;
}

.submit-btn:focus {
    outline: 2px solid #FFD700;
    outline-offset: 2px;
}

/* Responsive Button Styles */
@media (max-width: 600px) {
    .submit-btn {
        padding: 16px;
    }

    .btn {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
}