/* Core Theme Variable Definitions (Dark Mode Default) */
:root {
    --bg-color: #1a1a1a;
    --text-color: #e5e5e5;
    --panel-bg: #242424;
    --border-color: #333;
    --gold-color: #d4af37;
    --gold-hover: #f1c40f;
    --list-bg: #1a1a1a;
    --optimal-bg: #2e2e2e;
    --optimal-border: #444;
    --input-bg: #1a1a1a;
    --input-border: #444;
    --shadow: none;
    --blue-btn: #112a1d; /* Deep Wevetwood Forest Green */
    --blue-hover: #1c3d2c;
    --dark-dim-text: #777;
    --dim-text: #666;
}

/* Light Mode Variable Overrides */
body.light-mode {
    --bg-color: #f4f5f7;
    --text-color: #2c3e50;
    --panel-bg: #ffffff;
    --border-color: #cbd5e1;
    --gold-color: #c59b27; /* Rich dark goldenrod */
    --gold-hover: #d4af37;
    --list-bg: #f8fafc;
    --optimal-bg: #f1f5f9;
    --optimal-border: #cbd5e1;
    --input-bg: #ffffff;
    --input-border: #cbd5e1;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --blue-btn: #27ae60; /* Vibrant Emerald Green */
    --blue-hover: #219653;
    --dark-dim-text: #888;
    --dim-text: #777;
}

/* Core Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 20px;
    line-height: 1.5;
    transition: background-color 0.2s, color 0.2s;
}
header {
    margin-bottom: 25px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 15px;
}
h1 {
    color: var(--gold-color);
    margin-bottom: 10px;
}
#status-msg {
    font-size: 0.9em;
    color: var(--dark-dim-text);
}

/* Tabs System */
.tabs-nav {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}
.tab-btn {
    background-color: var(--panel-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.2s;
}
.tab-btn:hover:not([disabled]) {
    opacity: 0.9;
    background-color: var(--optimal-bg);
}
.tab-btn.active {
    background-color: var(--gold-color);
    color: var(--input-bg);
    border-color: var(--gold-color);
    font-weight: bold;
}
.tab-btn[disabled] {
    opacity: 0.4;
    cursor: not-allowed;
}
.tab-content {
    display: none;
}
.tab-content.active {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 20px;
}

/* Controls Panel */
.controls-panel {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.control-box {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
    box-shadow: var(--shadow);
}
.control-box h3 {
    font-size: 1em;
    color: var(--gold-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    margin-bottom: 12px;
}
.input-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.input-group:last-child {
    margin-bottom: 0;
}
.input-group label {
    font-size: 0.9em;
}
.input-group input, 
.input-group select {
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    padding: 6px 8px;
    border-radius: 4px;
    width: 100px;
    font-size: 0.9em;
}
.input-group select {
    width: 150px;
}
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    cursor: pointer;
}
.joinery-caption {
    font-size: 0.75em; 
    color: var(--dark-dim-text); 
    margin-top: 8px; 
    line-height: 1.3;
}

/* Outputs Layout */
.results-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.results-column {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-shadow: var(--shadow);
}
.results-column h2 {
    font-size: 1.2em;
    color: var(--gold-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 8px;
    margin-bottom: 5px;
}

/* Card Elements */
.best-build-card {
    border-left: 4px solid var(--gold-color);
}
.placeholder-msg {
    color: var(--dark-dim-text);
    font-style: italic;
    text-align: center;
    margin-top: 40px;
}

/* List Formatting */
.list-container {
    background-color: var(--list-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 10px;
    margin-bottom: 15px;
    max-height: 250px;
    overflow-y: auto;
}
.list-container:last-child {
    margin-bottom: 0;
}
.gear-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 4px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85em;
}
.gear-row:last-child {
    border-bottom: none;
}
.gear-name {
    font-weight: bold;
}
.gear-stats {
    color: var(--text-color);
    opacity: 0.8;
}

/* Card structures for Optimal layout */
.optimal-item {
    background-color: var(--optimal-bg);
    border: 1px solid var(--optimal-border);
    border-radius: 4px;
    padding: 12px;
    margin-top: 10px;
}
.optimal-item h4 {
    color: var(--text-color);
    margin-bottom: 5px;
    font-size: 0.95em;
}
.optimal-stats-breakdown {
    display: flex;
    gap: 15px;
    font-size: 0.8em;
    color: var(--text-color);
    opacity: 0.85;
    margin-top: 4px;
}
.total-summary-card {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 4px;
    margin-top: 15px;
}
body.light-mode .total-summary-card {
    background-color: var(--optimal-bg);
}
.total-summary-card h3 {
    font-size: 1em;
    color: var(--gold-color);
    margin-bottom: 8px;
}

/* Utility Classes */
.mt-10 {
    margin-top: 10px;
}
.border-top-separator {
    margin-top: 5px; 
    border-top: 1px solid var(--border-color); 
    padding-top: 5px;
}
.summary-highlight {
    color: var(--gold-color);
    font-weight: bold;
}
.reqs-not-met {
    color: #ff6b6b; 
    font-size: 0.8em;
}
.primary-color {
    color: var(--gold-color);
}
.sidearm-color {
    color: #3498db;
}
body.light-mode .sidearm-color {
    color: #2980b9;
}
.weapon-title-header {
    font-size: 0.9em; 
    margin-top: 10px;
}
.primary-border {
    border-left: 3px solid #82c91e;
}
.sidearm-border {
    border-left: 3px solid #3498db;
}
body.light-mode .sidearm-border {
    border-left: 3px solid #2980b9;
}
.description-sub {
    font-size: 0.85em; 
    color: var(--text-color);
    opacity: 0.8;
}
.weapon-tag-sub {
    font-size: 0.75em; 
    color: var(--dark-dim-text);
}
.font-bold {
    font-weight: bold;
}
.list-spacing {
    margin: 10px 0;
}
.text-strike {
    color: var(--dark-dim-text); 
    text-decoration: line-through;
}
.text-dim {
    color: var(--dim-text);
}
.text-dark-dim {
    color: var(--dark-dim-text);
}

/* Advanced Settings Collapsible */
.advanced-settings summary {
    font-size: 1em;
    color: var(--gold-color);
    font-weight: bold;
    cursor: pointer;
    outline: none;
    user-select: none;
}
.advanced-settings {
    border-left: 2px solid var(--border-color);
    transition: border-color 0.2s;
}
.advanced-settings[open] {
    border-left: 2px solid var(--gold-color);
}
.advanced-settings[open] summary {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    margin-bottom: 12px;
}

/* Wiki Links Styling */
.wiki-link {
    color: var(--gold-color);
    text-decoration: none;
    transition: color 0.15s, border-color 0.15s;
    border-bottom: 1px dotted transparent;
}
.wiki-link:hover {
    color: var(--gold-hover);
    border-bottom-color: var(--gold-hover);
}
.gear-row .wiki-link {
    color: var(--text-color);
}
.gear-row .wiki-link:hover {
    color: var(--gold-color);
    border-bottom-color: var(--gold-color);
}

/* Exclusions Tab Layout */
.exclusions-panel {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
    grid-column: span 2;
    box-shadow: var(--shadow);
}
.exclusions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin-top: 15px;
}
.exclusion-box {
    background-color: var(--list-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 15px;
}
.exclusion-box h3 {
    font-size: 1.05em;
    color: var(--gold-color);
    margin-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
}
.checklist-container {
    max-height: 450px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-right: 5px;
}
.checklist-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9em;
    cursor: pointer;
    padding: 4px;
    border-radius: 3px;
    transition: background-color 0.15s;
    user-select: none;
}
.checklist-item:hover {
    background-color: var(--optimal-bg);
}
.checklist-item input {
    cursor: pointer;
}

/* Optimization buttons */
#optimize-btn, 
#maxer-btn {
    background-color: var(--gold-color);
    color: var(--input-bg);
    border: none;
    padding: 12px;
    font-size: 1em;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    width: 100%;
    margin-top: 10px;
}
#optimize-btn:hover, 
#maxer-btn:hover {
    background-color: var(--gold-hover);
}

/* Secondary Button Style */
.secondary-btn {
    background-color: var(--optimal-bg);
    color: var(--gold-color);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    font-size: 0.85em;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    transition: all 0.2s;
}
.secondary-btn:hover {
    background-color: var(--optimal-bg);
    color: var(--text-color);
    border-color: var(--gold-color);
}

/* Modal Overlay Styling */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}
.modal-overlay.open {
    display: flex;
}
.modal-content {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 90%;
    max-width: 750px;
    max-height: 80vh;
    padding: 25px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
}
.modal-header h2 {
    font-size: 1.3em;
    color: var(--gold-color);
}
.close-modal {
    color: var(--dark-dim-text);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}
.close-modal:hover {
    color: var(--text-color);
}

/* Modal Filters & Search */
.modal-search-row {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}
.modal-search-row input {
    flex: 1;
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    padding: 10px;
    border-radius: 4px;
    font-size: 0.9em;
    outline: none;
}
.modal-search-row select {
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    padding: 10px;
    border-radius: 4px;
    font-size: 0.9em;
    width: 150px;
}

/* Modal Scrollable Grid */
.modal-grid {
    flex: 1;
    overflow-y: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding-right: 5px;
}
.weapon-card {
    background-color: var(--list-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.weapon-card:hover {
    border-color: var(--gold-color);
    background-color: var(--optimal-bg);
}
.weapon-card.selected {
    border-color: var(--gold-color);
    background-color: var(--optimal-bg);
}
.weapon-card h4 {
    color: var(--text-color);
    font-size: 0.95em;
}
.weapon-card.selected h4 {
    color: var(--gold-color);
}
.weapon-card-meta {
    font-size: 0.75em;
    color: var(--dark-dim-text);
}
.weapon-card-stats {
    font-size: 0.8em;
    color: var(--text-color);
    opacity: 0.85;
    margin-top: 4px;
}

/* Stat Maxer Combined Virtues Summary Card */
.virtue-summary-card {
    background-color: var(--optimal-bg);
    border: 1px solid var(--gold-color);
    padding: 15px;
    border-radius: 4px;
    margin-top: 15px;
}
.virtue-summary-card:first-child {
    margin-top: 0;
}
.virtue-summary-card h3 {
    font-size: 1em;
    color: var(--gold-color);
    margin-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
}

/* Progress Bar inside Loading Overlay */
.progress-bar-container {
    width: 250px;
    height: 10px;
    background-color: #242424;
    border: 1px solid #444;
    border-radius: 5px;
    overflow: hidden;
    margin-top: 10px;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}
.progress-bar-fill {
    width: 0%;
    height: 100%;
    background-color: var(--gold-color);
}

/* Loading Spinner Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 10, 10, 0.9);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 15px;
}
.loading-overlay.open {
    display: flex;
}
.loader-spinner {
    width: 55px;
    height: 55px;
    border: 5px solid var(--optimal-border);
    border-top: 5px solid var(--gold-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Locked Input Styling for Stat Maxer */
.locked-input {
    background-color: var(--list-bg) !important;
    color: var(--dark-dim-text) !important;
    border: 1px dashed var(--border-color) !important;
    cursor: not-allowed;
    user-select: none;
    opacity: 0.7;
}
.locked-input:focus {
    outline: none;
    border-color: #ff6b6b !important;
}
.close-guided-modal {
    margin-left: auto;
}

/* Dynamic Classes replacing inline styles */
.mt-15 {
    margin-top: 15px;
}
.guided-btn {
    background-color: var(--blue-btn) !important;
    color: #fff !important;
    border: 1px solid var(--gold-color) !important; /* Gilded Border Trim */
    padding: 10px 16px !important;
    font-size: 0.9em;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.15s;
    text-align: center;
}
.guided-btn:hover {
    background-color: var(--blue-hover) !important;
}
/* Custom class for a prominent Apply button inside the large modal */
#apply-guided-btn {
    padding: 15px !important;
    font-size: 1.05em !important;
    background-color: var(--blue-btn) !important;
    border: 1px solid var(--gold-color) !important; /* Gilded Border Trim */
    color: #ffffff !important; /* Force clean, highly readable white text */
    font-weight: bold;
    border-radius: 4px;
    width: 100%;
    cursor: pointer;
    transition: background-color 0.15s;
    text-align: center;
}
#apply-guided-btn:hover {
    background-color: var(--blue-hover) !important;
}

/* Expanded Modal Layout for Guided Setup */
.modal-content.modal-large {
    max-width: 900px;
    width: 95%;
    max-height: 90vh; /* Protect against viewport cropping */
}

/* 2-Column Grid inside the Modal */
.guided-modal-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    overflow-y: auto;
    max-height: 55vh; /* Perfect viewport boundary so Apply button stays locked */
    padding-right: 10px;
}
.guided-col {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Scrollbar styling for the modal checklist */
.guided-modal-columns::-webkit-scrollbar {
    width: 6px;
}
.guided-modal-columns::-webkit-scrollbar-track {
    background: var(--bg-color);
}
.guided-modal-columns::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}
.guided-modal-columns::-webkit-scrollbar-thumb:hover {
    background: var(--gold-color);
}

/* Stat Maxer Warning Alert */
.maxer-warning {
    color: #ff6b6b;
    font-weight: bold;
    font-size: 0.75em;
    margin-top: 10px;
    margin-bottom: 5px;
    line-height: 1.3;
    text-align: center;
    background-color: rgba(255, 107, 107, 0.08);
    border: 1px solid rgba(255, 107, 107, 0.2);
    padding: 10px;
    border-radius: 4px;
}
body.light-mode .maxer-warning {
    background-color: rgba(231, 76, 60, 0.05);
    border-color: rgba(231, 76, 60, 0.2);
    color: #c0392b;
}