/* Cards, buttons, modals, tooltips, forms, progress, etc. */

/* Card Styles */
.card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 5px;
    box-shadow: 0 2px 5px var(--shadow-color);
    margin-bottom: 2rem;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.card.full-width {
    width: 100%;
    max-width: none;
}

.card h3 {
    margin-top: 0;
}

.card label {
    display: block;
    margin-bottom: .5rem;
}

.card input[type="text"],
.card select {
    width: 100%;
    padding: .5rem;
    border: 1px solid var(--input-border);
    border-radius: 3px;
    box-sizing: border-box;
    background-color: var(--input-bg);
    color: var(--text-color);
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.card input[type="text"]:focus,
.card select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

/* Button Styles */
.btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    background-color: var(--button-bg);
    color: var(--text-color);
}

.btn:hover {
    background-color: var(--button-hover-bg);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
    border-color: #6c757d;
}

.btn-secondary:hover {
    background-color: #5a6268;
    border-color: #5a6268;
}

.btn-danger {
    background-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
}

/* Header Action Button Styles */
.header-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.header-action-btn:hover {
    background: var(--button-hover-bg);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

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

.header-action-btn.danger {
    border-color: #dc3545;
    color: #dc3545;
}

.header-action-btn.danger:hover {
    background: #dc3545;
    color: white;
    border-color: #c82333;
}

.header-action-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Success state for save button */
.header-action-btn.saved {
    background: #28a745;
    color: white;
    border-color: #28a745;
}

.header-action-btn.saved:hover {
    background: #218838;
    border-color: #1e7e34;
}

/* Tooltip for header buttons */
.header-action-btn::after {
    content: attr(title);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--tooltip-bg);
    color: var(--tooltip-text);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 1000;
    pointer-events: none;
}

.header-action-btn:hover::after {
    opacity: 1;
    visibility: visible;
}

[data-theme="dark"] .header-action-btn {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .header-action-btn:hover {
    background: var(--button-hover-bg);
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .header-action-btn.danger {
    border-color: #dc3545;
    color: #dc3545;
}

[data-theme="dark"] .header-action-btn.saved {
    background: #28a745;
    border-color: #28a745;
}

[data-theme="dark"] .header-action-btn::after {
    background: var(--tooltip-bg);
    color: var(--tooltip-text);
}

/* Mobile responsive styles for header action buttons */
@media screen and (max-width: 768px) {
    .header-action-btn {
        width: 44px;
        height: 44px;
    }
    
    .header-action-btn::after {
        bottom: -40px;
        font-size: 11px;
        padding: 3px 6px;
    }
}

/* Modal Styles */
.modal {
    display: none; 
    position: fixed; 
    z-index: 2; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.4); 
}

.modal-content {
    background-color: var(--modal-bg);
    margin: 15% auto; 
    padding: 20px;
    border: 1px solid var(--border-color);
    width: 80%; 
    max-width: 600px;
    max-height: 80vh;
    border-radius: 5px;
    position: relative;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    position: relative;
}

.close-button {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close-button:hover,
.close-button:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

/* SINs Modal Styles */
.sins-modal .modal-content {
    max-width: 900px;
    max-height: 90vh;
    width: 90%;
    margin: 5% auto;
}

.sins-modal-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.sins-modal-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sins-search-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.sins-search {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    font-size: 1rem;
    background-color: var(--input-bg);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.sins-search:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
    outline: none;
}

.sins-filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

.sins-filter-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sins-filter-container label {
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.9rem;
    margin: 0;
}

.sins-filter-select {
    padding: 0.5rem;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.sins-filter-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
    outline: none;
}

.selected-sins-container {
    margin-bottom: 1rem;
}

.selected-sins-container h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-color);
    font-size: 1.1rem;
}

.selected-sins {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    min-height: 40px;
    padding: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    max-height: 100px;
    overflow-y: auto;
}

.selected-sin-tag {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.5rem;
    background: var(--primary-color);
    color: white;
    border-radius: 16px;
    font-size: 0.85rem;
    font-weight: 500;
}

.selected-sin-tag .remove-sin {
    cursor: pointer;
    padding: 0 0.25rem;
    border-radius: 50%;
    transition: background-color 0.2s ease;
}

.selected-sin-tag .remove-sin:hover {
    background: rgba(255, 255, 255, 0.2);
}

.sins-list-container {
    flex: 1;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-secondary);
}

.sins-list {
    height: 100%;
    overflow-y: auto;
    padding: 0.5rem;
}

.loading-message {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

.sin-item {
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 1rem;
    background: var(--card-bg);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.sin-item:hover {
    background: var(--button-hover-bg);
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.sin-item.selected {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.sin-item-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.sin-checkbox {
    margin-right: 0.75rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
    margin-top: 2px;
    flex-shrink: 0;
}

.sin-main-info {
    flex: 1;
    min-width: 0;
}

.sin-number {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.sin-item.selected .sin-number {
    color: white;
}

.sin-category-display {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.sin-item.selected .sin-category-display {
    color: rgba(255, 255, 255, 0.9);
}

.sin-metadata {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem 1rem;
    font-size: 0.9rem;
}

@media screen and (max-width: 768px) {
    .sin-metadata {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .sins-filters-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .sins-filter-container {
        gap: 0.4rem;
    }
    
    .sins-filter-container label {
        font-size: 0.85rem;
    }
    
    .sins-filter-select {
        font-size: 0.85rem;
        padding: 0.45rem;
    }
}

.sin-metadata-item {
    display: flex;
    flex-direction: column;
}

.sin-metadata-label {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.25rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.sin-item.selected .sin-metadata-label {
    color: rgba(255, 255, 255, 0.9);
}

.sin-metadata-value {
    color: var(--text-secondary);
    line-height: 1.4;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.sin-item.selected .sin-metadata-value {
    color: rgba(255, 255, 255, 0.8);
}

/* Clear All Filters Button */
.clear-filters-btn {
    grid-column: 1 / -1;
    padding: 0.5rem 1rem;
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s ease;
    justify-self: start;
}

.clear-filters-btn:hover {
    background: #c82333;
}

/* Placeholder Content */
.placeholder-content {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.placeholder-content svg {
    color: var(--text-secondary);
    margin-bottom: 16px;
    opacity: 0.6;
}

.placeholder-content h3 {
    margin: 0 0 8px 0;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.placeholder-content p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Content Modal Styles */
.content-modal .modal-content {
    max-width: 700px;
    max-height: 80vh;
    overflow-y: auto;
}

.content-modal-content {
    padding: 2rem;
}

.content-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e9ecef;
}

.content-modal-header h3 {
    margin: 0;
    color: #495057;
}

.content-modal-line {
    background-color: #6c757d;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
}

.content-modal-body {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.source-reference {
    background-color: var(--bg-secondary);
    padding: 1rem;
    border-radius: 5px;
    border-left: 4px solid var(--primary-color);
    transition: background-color 0.3s ease;
}

.source-reference p {
    margin: 0;
    font-size: 0.95rem;
}

.regulation-text h4 {
    margin: 0 0 1rem 0;
    color: #495057;
    font-size: 1.1rem;
}

.regulation-content {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    line-height: 1.6;
    font-size: 0.95rem;
    color: var(--text-color);
    box-shadow: inset 0 1px 3px var(--shadow-color);
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Clickable content styles */
.clickable-content {
    cursor: pointer;
    transition: background-color 0.2s ease;
    padding: 0.25rem;
    border-radius: 3px;
}

.clickable-content:hover {
    background-color: #e3f2fd;
}

/* PDF Link Styles */
.pdf-link {
    color: #d73027;
    text-decoration: none;
    font-weight: bold;
    border-bottom: 1px dotted #d73027;
}

.pdf-link:hover {
    color: #a02622;
    text-decoration: none;
    border-bottom: 1px solid #a02622;
}

/* Info Icon Tooltip Styles */
.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 6px;
    width: 20px;
    height: 20px;
    color: var(--primary-color, #007bff);
    cursor: help;
    position: relative;
    vertical-align: middle;
    border-radius: 50%;
    transition: all 0.2s ease;
    opacity: 0.7;
}

.info-icon:hover {
    opacity: 1;
    color: var(--primary-hover-color, #0056b3);
    transform: scale(1.1);
}

.info-icon svg {
    width: 16px;
    height: 16px;
    stroke-width: 1.5;
}

.info-icon::after {
    content: attr(data-tooltip);
    position: fixed;
    bottom: auto;
    top: auto;
    left: auto;
    right: auto;
    background-color: var(--tooltip-bg);
    color: var(--tooltip-text);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: normal;
    white-space: normal;
    max-width: 280px;
    width: max-content;
    text-align: left;
    line-height: 1.4;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 1000;
    box-shadow: 0 2px 8px var(--shadow-color);
    pointer-events: none;
}

/* Smart tooltip positioning to prevent off-screen issues */
.info-icon {
    position: relative;
}

.info-icon:hover::after {
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    /* Fallback for browsers that don't support container queries */
}

/* Tooltip positioning for icons near the right edge */
.info-icon:nth-last-child(-n+2)::after,
.form-group:nth-last-child(-n+2) .info-icon::after {
    left: auto;
    right: 0;
    transform: none;
}

/* Tooltip positioning for icons near the left edge */
.info-icon:nth-child(-n+2)::after,
.form-group:nth-child(-n+2) .info-icon::after {
    left: 0;
    right: auto;
    transform: none;
}

.info-icon::before {
    content: '';
    position: absolute;
    bottom: 115%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--tooltip-bg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 1000;
}

/* Arrow positioning for tooltips near edges */
.info-icon:nth-last-child(-n+2)::before,
.form-group:nth-last-child(-n+2) .info-icon::before {
    left: auto;
    right: 15px;
    transform: none;
}

.info-icon:nth-child(-n+2)::before,
.form-group:nth-child(-n+2) .info-icon::before {
    left: 15px;
    right: auto;
    transform: none;
}

.info-icon:hover::after,
.info-icon:hover::before {
    opacity: 1;
    visibility: visible;
}

/* Responsive tooltip positioning for mobile */
@media screen and (max-width: 600px) {
    .info-icon::after {
        left: 0 !important;
        right: auto !important;
        transform: none !important;
        max-width: 250px;
        width: calc(100vw - 40px);
        margin-left: 10px;
    }
    
    .info-icon::before {
        left: 15px !important;
        right: auto !important;
        transform: none !important;
    }
    
    /* For icons very close to screen edge on mobile */
    .info-icon {
        margin-left: 2px;
    }
}