/**
 * Email Spinner System CSS
 * نظام spinner للبريد الإلكتروني (مشابه لنظام السلة)
 */

/* Loading Spinner Styles */
.btn.loading,
.button.loading,
.email-btn.loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
    cursor: not-allowed;
}

.btn.loading::after,
.button.loading::after,
.email-btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid #0070f3;
    border-radius: 50%;
    animation: emailSpin 1s linear infinite;
    transform: translate(-50%, -50%);
    z-index: 1;
}

/* Larger spinner for bigger buttons */
.btn.loading.large::after,
.button.loading.large::after {
    width: 20px;
    height: 20px;
    border-width: 3px;
}

/* Spinner animation */
@keyframes emailSpin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Success animation */
.btn.success,
.button.success,
.email-btn.success {
    animation: emailSuccessPulse 0.6s ease;
}

@keyframes emailSuccessPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

/* Error animation */
.btn.error,
.button.error,
.email-btn.error {
    animation: emailErrorShake 0.6s ease;
}

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

/* Loading message styles */
.loading-message {
    background: #e3f2fd !important;
    color: #1976d2 !important;
    border: 1px solid #bbdefb !important;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.loading-message::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid rgba(25, 118, 210, 0.3);
    border-top: 2px solid #1976d2;
    border-radius: 50%;
    animation: emailSpin 1s linear infinite;
}

/* Form loading state */
.form.loading {
    opacity: 0.8;
    pointer-events: none;
}

.form.loading input,
.form.loading textarea,
.form.loading select {
    background-color: #f5f5f5;
    color: #999;
}

/* Email specific spinner colors */
.email-spinner-blue::after {
    border-top-color: #2196f3;
}

.email-spinner-green::after {
    border-top-color: #4caf50;
}

.email-spinner-orange::after {
    border-top-color: #ff9800;
}

.email-spinner-red::after {
    border-top-color: #f44336;
}

/* Dark theme support */
@media (prefers-color-scheme: dark) {
    .btn.loading::after,
    .button.loading::after,
    .email-btn.loading::after {
        border-color: rgba(255, 255, 255, 0.2);
        border-top-color: #64b5f6;
    }
    
    .loading-message {
        background: #1e3a8a !important;
        color: #93c5fd !important;
        border-color: #3b82f6 !important;
    }
    
    .loading-message::before {
        border-color: rgba(147, 197, 253, 0.3);
        border-top-color: #93c5fd;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .btn.loading::after,
    .button.loading::after,
    .email-btn.loading::after {
        width: 14px;
        height: 14px;
    }
    
    .loading-message {
        padding: 12px;
        font-size: 14px;
    }
}

/* Email form specific styles */
.email-form.loading {
    position: relative;
}

.email-form.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(2px);
    z-index: 1;
    border-radius: inherit;
}

/* Pulse animation for loading forms */
.email-form.loading {
    animation: emailFormPulse 2s ease-in-out infinite;
}

@keyframes emailFormPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.9; }
}