/* GSA Private Access Sizing Planner - Offline Edition */
/* Modern CSS with Fluent Design inspiration */

:root {
    --primary-color: #0078D4;
    --primary-dark: #005a9e;
    --primary-light: #e6f2fa;
    --cpu-color: #0068B5;
    --memory-color: #FFB900;
    --network-color: #84B135;
    --bg-color: #f5f5f5;
    --panel-bg: #ffffff;
    --text-primary: #333333;
    --text-secondary: #666666;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --radius: 8px;
    --info-bg: #e6f7ff;
    --info-border: #91d5ff;
    --info-icon: #1890ff;
    --input-bg: #ffffff;
    --input-border: #ccc;
    --table-header-bg: #f8f9fa;
    --table-row-hover: #f5f5f5;
    --gauge-bg: #e0e0e0;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --primary-color: #4da6ff;
    --primary-dark: #0078D4;
    --primary-light: #1a3a5c;
    --cpu-color: #5cb3ff;
    --memory-color: #ffc933;
    --network-color: #9ec94d;
    --bg-color: #1a1a2e;
    --panel-bg: #16213e;
    --text-primary: #e8e8e8;
    --text-secondary: #a0a0a0;
    --border-color: #2d3a5a;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
    --info-bg: #1a3a5c;
    --info-border: #2d5a8c;
    --info-icon: #4da6ff;
    --input-bg: #1e2d4d;
    --input-border: #3d5a8a;
    --table-header-bg: #1e2d4d;
    --table-row-hover: #1e2d4d;
    --gauge-bg: #2d3a5a;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 1rem 2rem;
    box-shadow: var(--shadow);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.microsoft-logo {
    flex-shrink: 0;
}

header h1 {
    font-size: 1.3rem;
    font-weight: 600;
    line-height: 1.2;
    margin: 0;
}

/* Dark Mode Toggle Button */
.dark-mode-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    color: white;
}

.dark-mode-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

.dark-mode-toggle .sun-icon {
    display: block;
}

.dark-mode-toggle .moon-icon {
    display: none;
}

[data-theme="dark"] .dark-mode-toggle .sun-icon {
    display: none;
}

[data-theme="dark"] .dark-mode-toggle .moon-icon {
    display: block;
}

/* Toggle Switch */
.toggle-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.875rem;
}

.toggle-container input {
    display: none;
}

.toggle-slider {
    width: 44px;
    height: 24px;
    background: rgba(255,255,255,0.3);
    border-radius: 12px;
    position: relative;
    transition: background 0.3s;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform 0.3s;
}

.toggle-container input:checked + .toggle-slider {
    background: rgba(255,255,255,0.6);
}

.toggle-container input:checked + .toggle-slider::after {
    transform: translateX(20px);
}

/* Toggle Switch in Input Panel - Visible color scheme */
.advanced-toggle-section {
    padding: 0.75rem 0;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.advanced-toggle-section .toggle-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.advanced-toggle-section .toggle-label {
    font-weight: 500;
    color: var(--text-primary);
}

.advanced-toggle-section .toggle-slider {
    width: 44px;
    height: 24px;
    background: #b0b0b0;
    border: 1px solid #999;
    border-radius: 12px;
    position: relative;
    transition: background 0.3s;
    flex-shrink: 0;
}

.advanced-toggle-section .toggle-slider::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform 0.3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.advanced-toggle-section input {
    display: none;
}

.advanced-toggle-section input:checked + .toggle-slider {
    background: var(--primary-color);
    border-color: var(--primary-dark);
}

.advanced-toggle-section input:checked + .toggle-slider::after {
    transform: translateX(20px);
}

.input-panel .toggle-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.input-panel .toggle-container .toggle-slider {
    background: #b0b0b0;
    border: 1px solid #999;
}

.input-panel .toggle-container .toggle-slider::after {
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.input-panel .toggle-container input:checked + .toggle-slider {
    background: var(--primary-color);
    border-color: var(--primary-dark);
}

.input-panel .toggle-container input:checked + .toggle-slider::after {
    transform: translateX(20px);
}

/* Main Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
    width: 100%;
}

.main-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
}

/* Panels */
.panel {
    background: var(--panel-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
}

.panel h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 1rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.375rem;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--input-bg);
    color: var(--text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group select option,
.protocol-mix-item select option {
    background: var(--input-bg);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.15);
}

.form-group input[type="number"] {
    -moz-appearance: textfield;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input {
    width: auto !important;
    cursor: pointer;
}

/* Advanced Mode Styles */
.advanced-only {
    display: none;
}

body.advanced-mode .advanced-only {
    display: block;
}

body.advanced-mode .form-row.advanced-only {
    display: grid;
}

/* Results Panel */
.results-panel {
    position: sticky;
    top: 2rem;
    align-self: start;
}

.primary-result {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: var(--radius);
    margin-bottom: 2rem;
}

[data-theme="dark"] .primary-result {
    background: linear-gradient(135deg, var(--input-bg), var(--bg-color));
}

.servers-required {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1rem;
}

.big-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.servers-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.fault-tolerance-badge {
    display: inline-block;
    margin-top: 0.75rem;
    padding: 6px 12px;
    background: #fff4e6;
    color: #d97706;
    border: 1px solid #fbbf24;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
}

[data-theme="dark"] .fault-tolerance-badge {
    background: rgba(217, 119, 6, 0.15);
    color: #fbbf24;
    border-color: rgba(251, 191, 36, 0.3);
}

.limiting-chip {
    display: inline-block;
    padding: 0.375rem 1rem;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.limiting-chip.cpu-limited {
    background: rgba(0, 104, 181, 0.15);
    color: var(--cpu-color);
}

.limiting-chip.memory-limited {
    background: rgba(255, 185, 0, 0.2);
    color: #b38600;
}

.limiting-chip.network-limited {
    background: rgba(132, 177, 53, 0.15);
    color: var(--network-color);
}

/* Resource Gauges */
.resource-gauges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.gauge-container {
    text-align: center;
}

.gauge {
    position: relative;
    width: 100%;
    max-width: 120px;
    margin: 0 auto;
}

.gauge svg {
    width: 100%;
    height: auto;
}

.gauge-bg {
    fill: none;
    stroke: #e0e0e0;
    stroke-width: 8;
    stroke-linecap: round;
}

.gauge-fill {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dasharray 0.5s ease;
}

.cpu-fill { stroke: var(--cpu-color); }
.memory-fill { stroke: var(--memory-color); }
.network-fill { stroke: var(--network-color); }

.gauge-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -20%);
    text-align: center;
}

.gauge-value span:first-child {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.gauge-label {
    display: block;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.gauge-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.gauge-stats {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Detailed Metrics */
.detailed-metrics {
    margin-bottom: 2rem;
}

.detailed-metrics h3,
.growth-projections h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.metric-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.metric-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.metric-value {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Growth Projections Table */
.projections-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

.projections-table th,
.projections-table td {
    padding: 0.625rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.projections-table th {
    font-weight: 600;
    color: var(--text-secondary);
    background: #f8f9fa;
}

.projections-table tr:last-child td {
    border-bottom: none;
}

/* Footer */
footer {
    background: #333;
    color: #999;
    text-align: center;
    padding: 1rem;
    font-size: 0.75rem;
}

/* Responsive */
/* Results Header with Export Button */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.results-header h2 {
    margin-bottom: 0;
}

.btn-export {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.btn-export:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.btn-export:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-export svg {
    flex-shrink: 0;
}

/* Disclaimer Banner */
.disclaimer-banner {
    background: var(--info-bg);
    border: 1px solid var(--info-border);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin: 20px 0;
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.disclaimer-banner.collapsed {
    cursor: pointer;
}

.disclaimer-banner.collapsed .disclaimer-content {
    display: none;
}

.disclaimer-banner.collapsed .disclaimer-header {
    margin-bottom: 0;
}

.disclaimer-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    margin-top: 2px;
}

.disclaimer-body {
    flex: 1;
    min-width: 0;
}

.disclaimer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.disclaimer-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.disclaimer-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--text-secondary);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
}

.disclaimer-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--primary-color);
}

.disclaimer-toggle svg {
    width: 18px;
    height: 18px;
    transition: transform 0.2s;
}

.disclaimer-banner.collapsed .disclaimer-toggle svg {
    transform: rotate(180deg);
}

.disclaimer-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0 0 12px 0;
    line-height: 1.6;
}

.disclaimer-recommendations {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin: 12px 0;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 6px;
}

.disclaimer-recommendations svg {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    color: var(--primary-color);
    margin-top: 2px;
}

.disclaimer-recommendations-content h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 6px 0;
}

.disclaimer-recommendations ul {
    margin: 0;
    padding-left: 18px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.disclaimer-links {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 12px;
}

.disclaimer-links strong {
    color: var(--text-primary);
}

.disclaimer-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.disclaimer-links a:hover {
    text-decoration: underline;
}

.disclaimer-separator {
    color: var(--border-color);
    margin: 0 6px;
}

/* Dark Mode Overrides */
[data-theme="dark"] .gauge-bg {
    stroke: var(--gauge-bg);
}

[data-theme="dark"] .projections-table th {
    background: var(--table-header-bg);
}

[data-theme="dark"] .projections-table tr:hover {
    background: var(--table-row-hover);
}

[data-theme="dark"] .disclaimer-recommendations {
    background: rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .disclaimer-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] footer {
    background: var(--panel-bg);
    color: var(--text-secondary);
}

/* Dark Mode Nav Tabs Override */
[data-theme="dark"] .nav-tabs {
    background: var(--panel-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .nav-tab {
    color: var(--text-secondary);
}

[data-theme="dark"] .nav-tab:hover {
    color: var(--primary-color);
    background: rgba(0, 120, 212, 0.1);
}

[data-theme="dark"] .nav-tab.active {
    color: var(--primary-color);
    background: var(--bg-color);
}

/* ============================================
   Protocol Blending Styles
   ============================================ */

.field-hint {
    display: block;
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.protocol-blending-panel {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--table-header-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.protocol-mix-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.protocol-mix-item {
    display: grid;
    grid-template-columns: 1fr 100px 32px;
    gap: 0.75rem;
    align-items: center;
    padding: 0.75rem;
    background: var(--panel-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.protocol-mix-item select {
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--input-bg);
    color: var(--text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
}

.protocol-mix-item select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.15);
}

.weight-input-group {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    position: relative;
}

.protocol-mix-item input[type="number"] {
    width: 70px;
    padding: 0.625rem 0.5rem;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--input-bg);
    color: var(--text-primary);
    text-align: center;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.protocol-mix-item input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.15);
}

.weight-suffix {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.protocol-mix-item .btn-remove {
    padding: 4px 8px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.protocol-mix-item .btn-remove:hover {
    background: #ff4444;
    color: white;
    border-color: #ff4444;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.protocol-weight-total {
    margin-top: 1rem;
    padding: 0.5rem;
    background: var(--panel-bg);
    border-radius: var(--radius);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.weight-status {
    font-weight: 400;
    font-size: 0.85rem;
}

.weight-status.valid {
    color: var(--network-color);
}

.weight-status.warning {
    color: var(--memory-color);
}

.weight-status.error {
    color: #ff4444;
}

.effective-values {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--primary-light);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
}

.effective-values-header {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.effective-values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.effective-value {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.effective-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.effective-number {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Dark mode protocol styles */
[data-theme="dark"] .protocol-blending-panel {
    background: var(--bg-color);
}

[data-theme="dark"] .protocol-mix-item {
    background: var(--panel-bg);
}

[data-theme="dark"] .protocol-weight-total {
    background: var(--panel-bg);
}

[data-theme="dark"] .effective-values {
    background: var(--primary-light);
    border-left-color: var(--primary-color);
}

[data-theme="dark"] .effective-number {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    header h1 {
        font-size: 1.25rem;
    }
    
    .resource-gauges {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .results-panel {
        position: static;
    }
    
    .effective-values-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .protocol-mix-item {
        grid-template-columns: 1fr 60px 28px;
    }
}

/* Print Styles */
@media print {
    header, footer {
        display: none;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .panel {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}