:root {
    --prd-primary: #52C41A;
    --prd-primary-dark: #389e0d;
    --prd-primary-light: #73d13d;
    --prd-primary-bg: #f6ffed;
    --prd-secondary: #1890ff;
    --prd-gray-light: #fafafa;
    --prd-gray-border: #d9d9d9;
    --prd-shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --prd-shadow-md: 0 4px 12px rgba(0,0,0,0.12);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--prd-gray-light);
    color: #262626;
}

.navbar-brand {
    color: var(--prd-primary) !important;
    font-size: 1.5rem;
}

.navbar-brand:hover {
    color: var(--prd-primary-dark) !important;
}

.btn-primary {
    background-color: var(--prd-primary);
    border-color: var(--prd-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--prd-primary-dark);
    border-color: var(--prd-primary-dark);
    color: white;
}

.btn-primary:focus, .btn-primary:active {
    background-color: var(--prd-primary-dark) !important;
    border-color: var(--prd-primary-dark) !important;
    box-shadow: 0 0 0 0.25rem rgba(82, 196, 26, 0.25) !important;
}

.btn-outline-secondary {
    color: #595959;
    border-color: var(--prd-gray-border);
}

.btn-outline-secondary:hover {
    background-color: var(--prd-primary-bg);
    border-color: var(--prd-primary);
    color: var(--prd-primary);
}

.btn-outline-primary {
    color: var(--prd-primary);
    border-color: var(--prd-primary);
}

.btn-outline-primary:hover {
    background-color: var(--prd-primary);
    border-color: var(--prd-primary);
    color: white;
}

.btn-outline-danger:hover {
    background-color: #ff4d4f;
    border-color: #ff4d4f;
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.125rem;
}

.btn-group .btn {
    margin-right: 0.25rem;
}

.accordion-button:not(.collapsed) {
    background-color: var(--prd-primary-bg);
    color: var(--prd-primary-dark);
}

.accordion-button:focus {
    border-color: var(--prd-primary);
    box-shadow: 0 0 0 0.25rem rgba(82, 196, 26, 0.25);
}

.form-control:focus {
    border-color: var(--prd-primary);
    box-shadow: 0 0 0 0.25rem rgba(82, 196, 26, 0.25);
}

.form-select:focus {
    border-color: var(--prd-primary);
    box-shadow: 0 0 0 0.25rem rgba(82, 196, 26, 0.25);
}

.progress-bar {
    background-color: var(--prd-primary);
}

.alert-info {
    background-color: #e6f7ff;
    border-color: #91d5ff;
    color: #0050b3;
}

.section-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--prd-gray-border);
    margin-left: 8px;
}

.section-indicator.completed {
    background-color: var(--prd-primary);
}

.attachment-preview {
    border: 2px dashed var(--prd-gray-border);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    background-color: var(--prd-gray-light);
    transition: all 0.3s ease;
}

.attachment-preview:hover {
    border-color: var(--prd-primary);
    background-color: var(--prd-primary-bg);
}

.attachment-preview.dragover {
    border-color: var(--prd-primary);
    background-color: var(--prd-primary-bg);
    transform: scale(1.02);
}

.attachment-item {
    padding: 0.75rem;
    background-color: white;
    border: 1px solid var(--prd-gray-border);
    border-radius: 6px;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.attachment-item:hover {
    box-shadow: var(--prd-shadow-sm);
}

.attachment-icon {
    font-size: 1.5rem;
    color: var(--prd-primary);
    margin-right: 1rem;
}

.document-item {
    cursor: pointer;
    padding: 0.5rem 1rem;
}

.document-item:hover {
    background-color: var(--prd-primary-bg);
}

.document-item.active {
    background-color: var(--prd-primary-bg);
    color: var(--prd-primary-dark);
    font-weight: 500;
}

.export-option {
    padding: 1rem;
    border: 1px solid var(--prd-gray-border);
    border-radius: 8px;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.export-option:hover {
    border-color: var(--prd-primary);
    box-shadow: var(--prd-shadow-md);
}

.export-option.selected {
    border-color: var(--prd-primary);
    background-color: var(--prd-primary-bg);
}

.storage-warning {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1050;
    max-width: 400px;
}

.auto-save-indicator {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    background-color: white;
    border-radius: 20px;
    box-shadow: var(--prd-shadow-md);
    font-size: 0.875rem;
    color: #8c8c8c;
    display: none;
}

.auto-save-indicator.saving {
    display: block;
    color: var(--prd-secondary);
}

.auto-save-indicator.saved {
    display: block;
    color: var(--prd-primary);
}

/* Mobile Responsive Improvements */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .btn-text {
        display: none;
    }
    
    .navbar-nav {
        padding: 1rem 0;
    }
    
    .navbar-nav .dropdown {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .navbar-nav button {
        text-align: left;
    }
    
    #storageAlert {
        font-size: 0.875rem;
    }
    
    .progress {
        height: 15px !important;
    }
    
    .accordion-button {
        padding: 0.75rem;
        font-size: 0.95rem;
    }
    
    .card-title {
        font-size: 1.25rem;
    }
    
    #titleInput {
        font-size: 1.25rem;
    }
    
    .export-section button {
        margin-bottom: 0.5rem;
        width: 100%;
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.textarea-auto-resize {
    min-height: 100px;
    resize: vertical;
}

.help-tooltip {
    color: var(--prd-secondary);
    cursor: help;
    margin-left: 0.5rem;
}

.section-header {
    background: linear-gradient(135deg, var(--prd-primary-bg) 0%, white 100%);
    padding: 1rem;
    border-radius: 8px 8px 0 0;
    border-left: 4px solid var(--prd-primary);
}

/* File Attachment Styles */
.drop-zone {
    border: 2px dashed var(--prd-gray-border);
    border-radius: 8px;
    padding: 3rem 2rem;
    text-align: center;
    background-color: var(--prd-gray-light);
    transition: all 0.3s ease;
    cursor: pointer;
}

.drop-zone:hover {
    border-color: var(--prd-primary);
    background-color: var(--prd-primary-bg);
}

.drop-zone.drag-over {
    border-color: var(--prd-primary);
    background-color: var(--prd-primary-bg);
    transform: scale(1.02);
}

.attachment-card {
    border: 1px solid var(--prd-gray-border);
    transition: all 0.3s ease;
}

.attachment-card:hover {
    box-shadow: var(--prd-shadow-md);
    border-color: var(--prd-primary);
}

.attachment-preview {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--prd-gray-border);
}

.attachment-name {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.text-purple {
    color: #8b5cf6;
}

/* Title Editing Styles */
#editTitleBtn {
    opacity: 0;
    transition: opacity 0.2s ease;
    padding: 0.25rem 0.5rem;
    text-decoration: none;
}

#prdTitle:hover #editTitleBtn {
    opacity: 1;
}

#editTitleBtn:hover {
    color: var(--prd-primary) !important;
}

#titleInput {
    max-width: 600px;
    font-size: 1.5rem;
    font-weight: 500;
    border: 2px solid var(--prd-primary);
}

#titleInput:focus {
    box-shadow: 0 0 0 0.2rem rgba(82, 196, 26, 0.25);
    border-color: var(--prd-primary);
}

/* Quill Editor Styles */
.quill-wrapper {
    border: 1px solid var(--prd-gray-border);
    border-radius: 8px;
    background: white;
}

.ql-toolbar.ql-snow {
    border: none;
    border-bottom: 1px solid var(--prd-gray-border);
    border-radius: 8px 8px 0 0;
    background: #f8f9fa;
    padding: 10px;
}

.ql-container.ql-snow {
    border: none;
    border-radius: 0 0 8px 8px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
}

.ql-editor {
    min-height: 150px;
    max-height: 400px;
    overflow-y: auto;
    padding: 15px;
}

.ql-editor:focus {
    outline: none;
}

.ql-editor h1 {
    font-size: 2em;
    margin: 0.67em 0;
}

.ql-editor h2 {
    font-size: 1.5em;
    margin: 0.83em 0;
}

.ql-editor h3 {
    font-size: 1.17em;
    margin: 1em 0;
}

.ql-toolbar button:hover {
    background: var(--prd-primary-bg) !important;
}

.ql-toolbar button.ql-active {
    background: var(--prd-primary-bg) !important;
    color: var(--prd-primary) !important;
}

.ql-toolbar .ql-stroke {
    stroke: #444 !important;
}

.ql-toolbar .ql-fill {
    fill: #444 !important;
}

.ql-toolbar button:hover .ql-stroke,
.ql-toolbar button.ql-active .ql-stroke {
    stroke: var(--prd-primary) !important;
}

.ql-toolbar button:hover .ql-fill,
.ql-toolbar button.ql-active .ql-fill {
    fill: var(--prd-primary) !important;
}

/* Quill placeholder text */
.ql-editor.ql-blank::before {
    color: #999;
    font-style: italic;
}

/* Mobile responsiveness for Quill */
@media (max-width: 768px) {
    .ql-toolbar.ql-snow {
        padding: 8px 5px;
    }
    
    .ql-editor {
        padding: 10px;
        min-height: 120px;
    }
    
    .ql-formats {
        margin-right: 8px !important;
    }
}