.upload-container {
    background-color: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

.upload-zone {
    border: 2px dashed #6c757d;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    background-color: white;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-zone:hover {
    border-color: #0d6efd;
    background-color: #f8f9fa;
}

.upload-zone.drag-over {
    border-color: #198754;
    background-color: #d1e7dd;
    transform: scale(1.02);
}

.result-section {
    background-color: white;
    border-radius: 10px;
    padding: 1.5rem;
    margin-top: 2rem;
    box-shadow: 0 0 15px rgba(0,0,0,0.05);
}

.result-header {
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.result-content {
    max-height: 400px;
    overflow-y: auto;
}

.result-content pre {
    background-color: #f8f9fa !important;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    max-height: 300px;
    overflow-y: auto;
}

.spinner-border {
    color: #0d6efd;
}

#imagePreview {
    border: 2px solid #dee2e6;
    border-radius: 0.5rem;
}

/* Login Section Styles */
#loginSection {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    transition: all 0.4s ease-in-out;
    opacity: 1;
    transform: scale(1);
    position: absolute !important;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100vh !important;
    z-index: 10 !important;
}

#loginSection .card {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    animation: slideInUp 0.6s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#loginSection .card-body {
    position: relative;
}

#loginSection .text-primary {
    color: #667eea !important;
}

#loginSection .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

#loginSection .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

#loginSection .btn-primary:active {
    transform: translateY(0);
}

#loginSection .form-control-lg {
    border-radius: 0 12px 12px 0;
    border: 2px solid #e9ecef;
    border-left: none;
    padding: 15px 20px;
    transition: all 0.3s ease;
    height: auto;
}

#loginSection .form-control-lg:focus {
    border-color: #667eea;
    border-left: none;
    box-shadow: none;
    outline: none;
}

#loginSection .input-group-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px 0 0 12px;
    padding: 15px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
}

#loginSection .input-group {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

#loginSection .input-group:focus-within {
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.2);
    transform: translateY(-1px);
}

#loginSection .input-group-text .bi-envelope {
    font-size: 1.1rem;
    line-height: 1;
}

/* Input group hover effect */
#loginSection .input-group:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    transform: translateY(-1px);
}

/* Ensure consistent height */
#loginSection .input-group-text,
#loginSection .form-control-lg {
    height: 58px;
    border-width: 2px;
}

/* Remove default Bootstrap focus styles and ensure seamless connection */
#loginSection .form-control:focus {
    border-color: #667eea;
    box-shadow: none;
    border-left: none;
}

/* Placeholder styling */
#loginSection .form-control-lg::placeholder {
    color: #6c757d;
    opacity: 0.7;
}

/* Login alert animations */
#loginAlert {
    animation: fadeInDown 0.4s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header user info styles */
#userEmail {
    font-weight: 500;
}

/* Header responsive design */
.d-flex.justify-content-between.align-items-center {
    flex-wrap: wrap;
    gap: 1rem;
}

.d-flex.align-items-center {
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* User email responsive */
#userEmail {
    font-weight: 500;
    word-break: break-word;
    white-space: normal;
    line-height: 1.2;
}

.user-email-text {
    font-weight: 500;
    word-break: break-word;
    white-space: normal;
    line-height: 1.2;
    display: inline-block;
}

.logout-text {
    display: inline;
}

/* Responsive header adjustments */
@media (max-width: 768px) {
    .d-flex.justify-content-between.align-items-center.mb-4 {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 1rem;
    }
    
    .d-flex.align-items-center.flex-wrap {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }
    
    #userEmail, .user-email-text {
        font-size: 0.9rem;
        flex: 1;
        min-width: 0;
    }
    
    #logoutButton {
        font-size: 0.875rem;
        padding: 0.375rem 0.75rem;
        flex-shrink: 0;
    }
    
    h1.mb-0 {
        font-size: 1.5rem;
        margin-bottom: 0.5rem !important;
    }
}

@media (max-width: 576px) {
    .d-flex.justify-content-between.align-items-center.mb-4 {
        gap: 0.75rem;
    }
    
    .d-flex.align-items-center.flex-wrap {
        flex-direction: column;
        align-items: stretch !important;
        gap: 0.75rem;
    }
    
    #userEmail, .user-email-text {
        font-size: 0.85rem;
        text-align: left;
        width: 100%;
    }
    
    #logoutButton {
        font-size: 0.8rem;
        padding: 0.375rem 0.75rem;
        align-self: flex-end;
        width: auto;
    }
    
    #logoutButton .bi {
        font-size: 0.9rem;
    }
    
    h1.mb-0 {
        font-size: 1.25rem;
    }
    
    .text-muted.me-2 {
        margin-right: 0 !important;
        margin-bottom: 0;
        width: 100%;
    }
}

@media (max-width: 400px) {
    #userEmail, .user-email-text {
        font-size: 0.8rem;
    }
    
    h1.mb-0 {
        font-size: 1.1rem;
    }
    
    #logoutButton {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }
    
    .logout-text::before {
        content: "Out";
    }
    
    .logout-text {
        font-size: 0;
    }
}

/* Logout button hover effect */
#logoutButton:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

/* Logout button disabled state */
#logoutButton:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

#logoutButton:disabled:hover {
    transform: none !important;
    box-shadow: none !important;
}

/* Smooth transitions for section switching */
#loginSection, #mainApplication {
    transition: all 0.1s ease-in-out;
}

/* Main Application Styles */
#mainApplication {
    min-height: 100vh;
    position: relative !important;
    z-index: 1 !important;
    width: 100% !important;
    background: #f8f9fa;
    pointer-events: auto !important;
}

/* Ensure all interactive elements are clickable */
#mainApplication button,
#mainApplication input,
#mainApplication .upload-zone,
#mainApplication .btn {
    pointer-events: auto !important;
    position: relative !important;
    z-index: 2 !important;
}

/* Login section interactive elements */
#loginSection button,
#loginSection input,
#loginSection .btn {
    pointer-events: auto !important;
    position: relative !important;
    z-index: 11 !important;
}

/* Loading button animation */
#loginButton:disabled {
    opacity: 0.8;
    cursor: not-allowed;
}

#loginSpinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Transition Loader Styles */
#transitionLoader {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100vh !important;
    z-index: 9999 !important;
}

#transitionLoader .spinner-border {
    color: white !important;
    border-width: 0.25em;
}

#transitionLoader h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

#transitionLoader .text-white-50 {
    opacity: 0.8;
}

/* Base body styles */
body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
}

/* Ensure sections don't stack */
.section-hidden {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
    z-index: -1 !important;
}

.section-visible {
    display: block !important;
    visibility: visible !important;
    pointer-events: auto !important;
}

/* Force proper layering and prevent blocking */
#loginSection.hidden {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
    z-index: -1 !important;
}

#mainApplication.hidden {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
    z-index: -1 !important;
}

#transitionLoader.hidden {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
    z-index: -1 !important;
}

/* Ensure clickable elements remain clickable */
#mainApplication button,
#mainApplication input,
#mainApplication .upload-zone,
#mainApplication .form-control,
#mainApplication .btn {
    pointer-events: auto !important;
    position: relative !important;
    z-index: 2 !important;
}

#loginSection button,
#loginSection input,
#loginSection .form-control,
#loginSection .btn {
    pointer-events: auto !important;
    position: relative !important;
    z-index: 11 !important;
}

/* Responsive design for login */
@media (max-width: 768px) {
    #loginSection .card-body {
        padding: 2rem !important;
    }
    
    #loginSection h2 {
        font-size: 1.5rem;
    }
}

/* Domain Selection Modal Styles */
#domainSelectionModal .modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

#domainSelectionModal .modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px 15px 0 0;
    border-bottom: none;
    padding: 1.5rem;
}

#domainSelectionModal .modal-title {
    font-weight: 600;
    font-size: 1.25rem;
}

#domainSelectionModal .modal-body {
    padding: 2rem;
}

.domain-option {
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    background: white;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 500;
}

.domain-option:hover {
    border-color: #667eea;
    background: #f8f9ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.15);
}

.domain-option:active {
    transform: translateY(0);
}

.domain-option .domain-name {
    font-size: 1.1rem;
    color: #333;
}

.domain-option .domain-icon {
    color: #667eea;
    font-size: 1.2rem;
}

.domain-option:hover .domain-icon {
    transform: scale(1.1);
    transition: transform 0.2s ease;
}

/* Loading state for domain selection */
.domain-loading {
    text-align: center;
    padding: 2rem;
    color: #6c757d;
}

.domain-loading .spinner-border {
    color: #667eea;
    margin-bottom: 1rem;
}