/* =============================================================================
   Material Design 3 - CSS Variables
   Based on Google Material Design Guidelines
   ============================================================================= */

:root {
    /* Typography - Roboto */
    --md-font-plain: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    --md-font-mono: 'Roboto Mono', 'JetBrains Mono', monospace;
    
    /* Material Design Spacing (8px grid) */
    --md-spacing-xs: 4px;
    --md-spacing-sm: 8px;
    --md-spacing-md: 16px;
    --md-spacing-lg: 24px;
    --md-spacing-xl: 32px;
    --md-spacing-2xl: 48px;
    
    /* Material Design Border Radius */
    --md-radius-xs: 4px;
    --md-radius-sm: 8px;
    --md-radius-md: 12px;
    --md-radius-lg: 16px;
    --md-radius-xl: 28px;
    --md-radius-full: 9999px;
    
    /* Material Design Transitions */
    --md-transition-fast: 100ms cubic-bezier(0.4, 0, 0.2, 1);
    --md-transition-standard: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --md-transition-emphasized: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --md-transition-decelerated: 250ms cubic-bezier(0, 0, 0.2, 1);
    --md-transition-accelerated: 200ms cubic-bezier(0.4, 0, 1, 1);
    
    /* Material Design Elevation (shadows) */
    --md-elevation-1: 0 1px 2px rgba(0,0,0,0.3), 0 1px 3px 1px rgba(0,0,0,0.15);
    --md-elevation-2: 0 1px 2px rgba(0,0,0,0.3), 0 2px 6px 2px rgba(0,0,0,0.15);
    --md-elevation-3: 0 1px 3px rgba(0,0,0,0.3), 0 4px 8px 3px rgba(0,0,0,0.15);
    --md-elevation-4: 0 2px 3px rgba(0,0,0,0.3), 0 6px 10px 4px rgba(0,0,0,0.15);
    --md-elevation-5: 0 4px 4px rgba(0,0,0,0.3), 0 8px 12px 6px rgba(0,0,0,0.15);
}

/* Dark Theme (Default) - Material Design Dark */
[data-theme="dark"] {
    /* Surface colors */
    --md-surface: #121212;
    --md-surface-dim: #0e0e0e;
    --md-surface-bright: #1e1e1e;
    --md-surface-container-lowest: #0a0a0a;
    --md-surface-container-low: #1a1a1a;
    --md-surface-container: #1e1e1e;
    --md-surface-container-high: #252525;
    --md-surface-container-highest: #303030;
    
    /* Text colors */
    --md-on-surface: #b8b4b9;
    --md-on-surface-variant: #9a959f;
    --md-outline: #938f99;
    --md-outline-variant: #49454f;
    
    /* Primary */
    --md-primary: #d0bcff;
    --md-on-primary: #381e72;
    --md-primary-container: #4f378b;
    --md-on-primary-container: #eaddff;
    
    /* Secondary */
    --md-secondary: #ccc2dc;
    --md-on-secondary: #332d41;
    --md-secondary-container: #4a4458;
    --md-on-secondary-container: #e8def8;
    
    /* Tertiary */
    --md-tertiary: #efb8c8;
    --md-on-tertiary: #492532;
    --md-tertiary-container: #633b48;
    --md-on-tertiary-container: #ffd8e4;
    
    /* Error */
    --md-error: #f2b8b5;
    --md-on-error: #601410;
    --md-error-container: #8c1d18;
    --md-on-error-container: #f9dedc;
    
    /* State layers */
    --md-state-hover: rgba(208, 188, 255, 0.08);
    --md-state-focus: rgba(208, 188, 255, 0.12);
    --md-state-pressed: rgba(208, 188, 255, 0.12);
    --md-state-dragged: rgba(208, 188, 255, 0.16);
    
    /* Custom semantic colors */
    --md-success: #81c784;
    --md-warning: #ffb74d;
    --md-info: #64b5f6;
    
    /* Platform colors */
    --android-color: #3ddc84;
    --ios-color: #0a84ff;
    
    /* Input */
    --md-input-bg: rgba(255, 255, 255, 0.05);
}

/* Light Theme - Material Design Light */
[data-theme="light"] {
    /* Surface colors */
    --md-surface: #fffbfe;
    --md-surface-dim: #ded8dc;
    --md-surface-bright: #fffbfe;
    --md-surface-container-lowest: #ffffff;
    --md-surface-container-low: #f7f2f6;
    --md-surface-container: #f3edf1;
    --md-surface-container-high: #ece6ea;
    --md-surface-container-highest: #e6e0e4;
    
    /* Text colors */
    --md-on-surface: #1c1b1f;
    --md-on-surface-variant: #49454f;
    --md-outline: #79747e;
    --md-outline-variant: #cac4d0;
    
    /* Primary */
    --md-primary: #6750a4;
    --md-on-primary: #ffffff;
    --md-primary-container: #eaddff;
    --md-on-primary-container: #21005d;
    
    /* Secondary */
    --md-secondary: #625b71;
    --md-on-secondary: #ffffff;
    --md-secondary-container: #e8def8;
    --md-on-secondary-container: #1d192b;
    
    /* Tertiary */
    --md-tertiary: #7d5260;
    --md-on-tertiary: #ffffff;
    --md-tertiary-container: #ffd8e4;
    --md-on-tertiary-container: #31111d;
    
    /* Error */
    --md-error: #b3261e;
    --md-on-error: #ffffff;
    --md-error-container: #f9dedc;
    --md-on-error-container: #410e0b;
    
    /* State layers */
    --md-state-hover: rgba(103, 80, 164, 0.08);
    --md-state-focus: rgba(103, 80, 164, 0.12);
    --md-state-pressed: rgba(103, 80, 164, 0.12);
    --md-state-dragged: rgba(103, 80, 164, 0.16);
    
    /* Custom semantic colors */
    --md-success: #2e7d32;
    --md-warning: #ed6c02;
    --md-info: #0288d1;
    
    /* Platform colors */
    --android-color: #34a853;
    --ios-color: #007aff;
    
    /* Input */
    --md-input-bg: rgba(0, 0, 0, 0.04);
}

/* =============================================================================
   Base Styles
   ============================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=Roboto+Mono:wght@400;500&display=swap');

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--md-font-plain);
    background: var(--md-surface);
    color: var(--md-on-surface);
    line-height: 1.5;
    min-height: 100vh;
    transition: background-color var(--md-transition-standard), color var(--md-transition-standard);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--md-spacing-md);
}

/* =============================================================================
   Material Design Icon Buttons
   ============================================================================= */

.btn-icon {
    position: relative;
    width: 32px;
    height: 32px;
    border-radius: var(--md-radius-full);
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--md-transition-standard);
    color: var(--md-on-surface-variant);
    overflow: hidden;
}

.btn-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: currentColor;
    opacity: 0;
    transition: opacity var(--md-transition-standard);
}

.btn-icon:hover::before {
    opacity: 0.08;
}

.btn-icon:focus-visible {
    outline: none;
}

.btn-icon:focus-visible::before {
    opacity: 0.12;
}

.btn-icon:active::before {
    opacity: 0.12;
}

.btn-icon svg {
    width: 18px;
    height: 18px;
    position: relative;
    z-index: 1;
}

/* Theme toggle */
.theme-icon {
    width: 18px;
    height: 18px;
    position: absolute;
    transition: all var(--md-transition-emphasized);
}

.theme-icon.sun {
    color: var(--md-warning);
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

.theme-icon.moon {
    color: var(--md-primary);
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-icon.sun {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-icon.moon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

/* =============================================================================
   Layout
   ============================================================================= */

.layout-wrapper {
    display: flex;
    gap: var(--md-spacing-md);
    min-height: calc(100vh - var(--md-spacing-md) * 2);
}

.content-area {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--md-spacing-md);
}

/* =============================================================================
   Filters Panel (Material Design Navigation Rail / Side Sheet)
   ============================================================================= */

.filters-panel {
    order: -1;
    position: sticky;
    top: var(--md-spacing-sm);
    width: 320px;
    min-width: 320px;
    max-height: calc(100vh - var(--md-spacing-sm) * 2);
    background: var(--md-surface-container);
    border-radius: var(--md-radius-md);
    padding: var(--md-spacing-sm);
    box-shadow: var(--md-elevation-1);
    display: flex;
    flex-direction: column;
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--md-spacing-sm);
    margin-bottom: var(--md-spacing-xs);
    flex-shrink: 0;
}

.filters-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--md-on-surface);
    letter-spacing: 0.15px;
}

.filters-header-actions {
    display: flex;
    gap: var(--md-spacing-xs);
}

.filters-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--md-spacing-sm);
    padding-right: var(--md-spacing-xs);
}

.filters-list::-webkit-scrollbar {
    width: 4px;
}

.filters-list::-webkit-scrollbar-track {
    background: transparent;
}

.filters-list::-webkit-scrollbar-thumb {
    background: var(--md-outline-variant);
    border-radius: 2px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* Filter group with clear button */
.filter-group-with-clear {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 2px 4px;
}

.filter-group-with-clear .filter-label {
    grid-column: 1 / -1;
}

.filter-group-with-clear .multi-select {
    grid-column: 1;
    grid-row: 2;
}

.filter-clear-btn {
    grid-column: 2;
    grid-row: 2;
    align-self: center;
    width: 16px;
    height: 16px;
    padding: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--md-error);
    cursor: pointer;
    transition: all var(--md-transition-fast);
    opacity: 0.7;
}

.filter-clear-btn:hover {
    opacity: 1;
    transform: scale(1.15);
}

.filter-clear-btn svg {
    width: 14px;
    height: 14px;
    stroke-width: 2.5;
}

.filter-label {
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--md-on-surface-variant);
    letter-spacing: 0.4px;
    text-transform: uppercase;
    padding-left: 2px;
}

/* Material Design Filled Text Field / Select */
.filter-select,
.filter-input {
    min-height: 32px;
    padding: 4px var(--md-spacing-sm);
    background: var(--md-surface-container-highest);
    border: none;
    border-radius: var(--md-radius-sm);
    color: var(--md-on-surface);
    font-family: var(--md-font-plain);
    font-size: 0.8125rem;
    letter-spacing: 0.25px;
    transition: all var(--md-transition-standard);
    cursor: pointer;
    width: 100%;
}

.filter-select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2374796d' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 16px;
    padding-right: 32px;
}

[data-theme="dark"] .filter-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%238c9388' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
}

.filter-select:hover,
.filter-input:hover {
    background-color: var(--md-surface-container-high);
}

.filter-select:focus,
.filter-input:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--md-primary);
    background-color: var(--md-surface-container-highest);
}

.filter-select option {
    background: var(--md-surface-container);
    color: var(--md-on-surface);
    padding: var(--md-spacing-sm);
}

.date-range-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--md-spacing-xs);
}

/* Date Range Picker */
.date-range-picker {
    position: relative;
}

.date-range-trigger {
    width: 100%;
    height: 36px;
    padding: 0 var(--md-spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--md-spacing-xs);
    background: var(--md-surface-container-highest);
    border: none;
    border-bottom: 1px solid var(--md-outline);
    border-radius: var(--md-radius-xs) var(--md-radius-xs) 0 0;
    color: var(--md-on-surface);
    font-family: var(--md-font-plain);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all var(--md-transition-standard);
    text-align: left;
}

.date-range-trigger:hover {
    border-bottom-color: var(--md-on-surface);
}

.date-range-trigger:focus {
    outline: none;
    border-bottom: 2px solid var(--md-primary);
}

.date-trigger-icon {
    width: 16px;
    height: 16px;
    color: var(--md-on-surface-variant);
    flex-shrink: 0;
}

.date-range-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.date-trigger-arrow {
    width: 14px;
    height: 14px;
    color: var(--md-on-surface-variant);
    flex-shrink: 0;
    transition: transform var(--md-transition-standard);
}

.date-range-picker.open .date-trigger-arrow {
    transform: rotate(180deg);
}

/* Dropdown */
.date-range-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--md-surface-container-high);
    border-radius: var(--md-radius-md);
    box-shadow: var(--md-elevation-3);
    padding: var(--md-spacing-sm);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--md-transition-standard);
}

.date-range-picker.open .date-range-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Presets */
.date-range-presets {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.date-preset-btn {
    width: 100%;
    padding: 10px var(--md-spacing-sm);
    background: transparent;
    border: none;
    border-radius: var(--md-radius-sm);
    color: var(--md-on-surface);
    font-family: var(--md-font-plain);
    font-size: 0.8125rem;
    font-weight: 400;
    cursor: pointer;
    transition: all var(--md-transition-fast);
    text-align: left;
}

.date-preset-btn:hover {
    background: var(--md-state-hover);
}

.date-preset-btn.active {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
    font-weight: 500;
}

/* Custom Date Range */
.date-range-custom {
    margin-top: var(--md-spacing-sm);
    padding-top: var(--md-spacing-sm);
    border-top: 1px solid var(--md-outline-variant);
    display: flex;
    flex-direction: column;
    gap: var(--md-spacing-sm);
}

.date-range-error {
    margin-top: var(--md-spacing-xs);
    padding: var(--md-spacing-xs) var(--md-spacing-sm);
    background: var(--md-error-container);
    color: var(--md-on-error-container);
    border-radius: var(--md-radius-xs);
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
}

.date-custom-row {
    display: flex;
    align-items: center;
    gap: var(--md-spacing-sm);
}

.date-custom-label {
    font-size: 0.75rem;
    color: var(--md-on-surface-variant);
    width: 28px;
    flex-shrink: 0;
}

.date-custom-input {
    flex: 1;
    height: 36px;
    padding: 0 var(--md-spacing-sm);
    background: var(--md-surface-container-highest);
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--md-radius-sm);
    color: var(--md-on-surface);
    font-family: var(--md-font-plain);
    font-size: 0.8125rem;
}

.date-custom-input:focus {
    outline: none;
    border-color: var(--md-primary);
}

.date-apply-btn {
    width: 100%;
    height: 36px;
    background: var(--md-primary);
    border: none;
    border-radius: var(--md-radius-sm);
    color: var(--md-on-primary);
    font-family: var(--md-font-plain);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--md-transition-fast);
}

.date-apply-btn:hover {
    opacity: 0.9;
}

/* =============================================================================
   Multi Select (Expandable)
   ============================================================================= */

.multi-select {
    position: relative;
}

.multi-select-trigger {
    width: 100%;
    min-height: 32px;
    padding: 4px var(--md-spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--md-spacing-xs);
    background: var(--md-surface-container-highest);
    border: none;
    border-radius: var(--md-radius-sm);
    color: var(--md-on-surface);
    font-family: var(--md-font-plain);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all var(--md-transition-standard);
}

.multi-select-trigger:hover {
    background: var(--md-surface-container-high);
}

.multi-select.open .multi-select-trigger {
    background: var(--md-surface-container-high);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.multi-select-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--md-on-surface-variant);
}

.multi-select-text.has-value {
    color: var(--md-on-surface);
}

.multi-select-arrow {
    width: 14px;
    height: 14px;
    color: var(--md-on-surface-variant);
    flex-shrink: 0;
    transition: transform var(--md-transition-standard);
}

.multi-select.open .multi-select-arrow {
    transform: rotate(180deg);
}

/* Selected chips */
.multi-select-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    flex: 1;
}

.multi-select-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 6px;
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
    border-radius: var(--md-radius-sm);
    font-size: 0.6875rem;
    font-weight: 500;
    max-width: 100px;
}

.multi-select-chip-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.multi-select-chip-remove {
    width: 12px;
    height: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0.7;
    flex-shrink: 0;
}

.multi-select-chip-remove:hover {
    opacity: 1;
}

.multi-select-chip-remove svg {
    width: 10px;
    height: 10px;
}

.multi-select-count {
    padding: 2px 8px;
    background: var(--md-primary);
    color: var(--md-on-primary);
    border-radius: var(--md-radius-full);
    font-size: 0.6875rem;
    font-weight: 500;
}

/* Expandable panel */
.multi-select-dropdown {
    background: var(--md-surface-container-high);
    border: none;
    border-radius: 0 0 var(--md-radius-sm) var(--md-radius-sm);
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.multi-select.open .multi-select-dropdown {
    display: flex;
}

.multi-select-search {
    padding: var(--md-spacing-xs);
    flex-shrink: 0;
}

.multi-select-search-input {
    width: 100%;
    height: 26px;
    padding: 0 var(--md-spacing-sm);
    background: var(--md-surface-container-highest);
    border: none;
    border-radius: var(--md-radius-xs);
    color: var(--md-on-surface);
    font-family: var(--md-font-plain);
    font-size: 0.75rem;
}

.multi-select-search-input:focus {
    outline: none;
    background: var(--md-surface-container-lowest);
}

.multi-select-options {
    flex: 1;
    overflow-y: auto;
    padding: 2px;
}

.multi-select-option {
    display: flex;
    align-items: center;
    gap: var(--md-spacing-xs);
    padding: 5px var(--md-spacing-sm);
    border-radius: var(--md-radius-xs);
    cursor: pointer;
    transition: background-color var(--md-transition-fast);
    font-size: 0.75rem;
    color: var(--md-on-surface);
}

.multi-select-option:hover {
    background: var(--md-state-hover);
}

.multi-select-option.selected {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
}

.multi-select-checkbox {
    width: 14px;
    height: 14px;
    border: 2px solid var(--md-outline);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--md-transition-fast);
}

.multi-select-option.selected .multi-select-checkbox {
    background: var(--md-primary);
    border-color: var(--md-primary);
}

.multi-select-checkbox svg {
    width: 10px;
    height: 10px;
    color: var(--md-on-primary);
    opacity: 0;
}

.multi-select-option.selected .multi-select-checkbox svg {
    opacity: 1;
}

.multi-select-option-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Platform icons in multi-select */
.multi-select-option .platform-icon {
    font-size: 14px;
    flex-shrink: 0;
    margin-right: var(--md-spacing-xs);
    width: 16px;
    text-align: center;
}

.multi-select-option .platform-icon.android {
    color: var(--android-color);
}

.multi-select-option .platform-icon.ios {
    color: var(--ios-color);
}

.multi-select-empty {
    padding: var(--md-spacing-sm);
    text-align: center;
    color: var(--md-on-surface-variant);
    font-size: 0.75rem;
}

/* Material Design Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--md-spacing-xs);
    cursor: pointer;
    height: 32px;
    font-size: 0.75rem;
    color: var(--md-on-surface);
    letter-spacing: 0.25px;
    padding: 0 var(--md-spacing-xs);
    border-radius: var(--md-radius-xs);
    transition: background-color var(--md-transition-standard);
}

.checkbox-label:hover {
    background: var(--md-state-hover);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 16px;
    height: 16px;
    border: 2px solid var(--md-outline);
    border-radius: 2px;
    position: relative;
    transition: all var(--md-transition-fast);
    flex-shrink: 0;
}

.checkbox-label input:checked + .checkbox-custom {
    background: var(--md-primary);
    border-color: var(--md-primary);
}

.checkbox-label input:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 4px;
    height: 8px;
    border: solid var(--md-on-primary);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.filter-apply-group {
    margin-top: var(--md-spacing-sm);
    padding-top: var(--md-spacing-sm);
    border-top: 1px solid var(--md-outline-variant);
}

/* =============================================================================
   Material Design Buttons
   ============================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--md-spacing-xs);
    height: 36px;
    padding: 0 var(--md-spacing-md);
    border-radius: var(--md-radius-xl);
    font-family: var(--md-font-plain);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.1px;
    cursor: pointer;
    transition: all var(--md-transition-standard);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: currentColor;
    opacity: 0;
    transition: opacity var(--md-transition-standard);
}

.btn:hover::before {
    opacity: 0.08;
}

.btn:focus-visible {
    outline: none;
}

.btn:focus-visible::before {
    opacity: 0.12;
}

.btn:active::before {
    opacity: 0.12;
}

.btn svg {
    width: 18px;
    height: 18px;
    position: relative;
    z-index: 1;
}

.btn > span,
.btn > svg {
    position: relative;
    z-index: 1;
}

/* Filled Button (Primary) */
.btn-primary {
    background: var(--md-primary);
    color: var(--md-on-primary);
    box-shadow: var(--md-elevation-1);
}

.btn-primary:hover {
    box-shadow: var(--md-elevation-2);
}

/* Outlined Button */
.btn-outline {
    background: transparent;
    color: var(--md-primary);
    border: 1px solid var(--md-outline);
}

.btn-outline:hover {
    background: var(--md-state-hover);
}

/* Tonal Button */
.btn-tonal {
    background: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
}

.btn-block {
    width: 100%;
}

/* =============================================================================
   Material Design Cards (Summary)
   ============================================================================= */

.summary-section {
    margin-bottom: var(--md-spacing-sm);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--md-spacing-md);
}

.summary-card {
    display: flex;
    align-items: center;
    gap: var(--md-spacing-md);
    padding: var(--md-spacing-md);
    background: var(--md-surface-container);
    border-radius: var(--md-radius-md);
    box-shadow: var(--md-elevation-1);
    transition: all var(--md-transition-standard);
}

.summary-card:hover {
    box-shadow: var(--md-elevation-2);
}

.summary-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--md-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.summary-icon svg {
    width: 24px;
    height: 24px;
}

.summary-icon.total {
    background: rgba(255, 183, 77, 0.2);
    color: var(--md-warning);
}

.summary-icon.fatal {
    background: rgba(242, 184, 181, 0.2);
    color: var(--md-error);
}

.summary-icon.devices {
    background: rgba(100, 181, 246, 0.2);
    color: var(--md-info);
}

.summary-icon.clients {
    background: rgba(129, 199, 132, 0.2);
    color: var(--md-success);
}

.summary-content {
    display: flex;
    flex-direction: column;
}

.summary-value {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--md-on-surface);
    font-family: var(--md-font-mono);
    line-height: 1.2;
    letter-spacing: 0;
}

.summary-sub-value {
    font-size: 0.75rem;
    color: var(--md-on-surface-variant);
    font-family: var(--md-font-mono);
    margin-top: 2px;
}

.summary-sub-value span {
    color: var(--md-warning);
    font-weight: 500;
}

.summary-label {
    font-size: 0.75rem;
    color: var(--md-on-surface-variant);
    letter-spacing: 0.4px;
}

/* =============================================================================
   Material Design Tabs
   ============================================================================= */

.tabs-section {
    margin-bottom: var(--md-spacing-sm);
}

.tabs {
    display: flex;
    background: var(--md-surface-container);
    border-radius: var(--md-radius-full);
    padding: var(--md-spacing-xs);
    box-shadow: var(--md-elevation-1);
}

.tab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--md-spacing-sm);
    flex: 1;
    padding: var(--md-spacing-sm) var(--md-spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--md-radius-full);
    color: var(--md-on-surface-variant);
    font-family: var(--md-font-plain);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1px;
    cursor: pointer;
    transition: all var(--md-transition-standard);
    position: relative;
}

.tab svg {
    width: 18px;
    height: 18px;
}

.tab:hover {
    color: var(--md-on-surface);
    background: var(--md-state-hover);
}

.tab.active {
    background: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
}

/* =============================================================================
   Main Content & Data Tables
   ============================================================================= */

.main-content {
    background: var(--md-surface-container);
    border-radius: var(--md-radius-lg);
    overflow: hidden;
    box-shadow: var(--md-elevation-1);
}

.tab-content {
    display: none;
    padding: var(--md-spacing-md);
}

.tab-content.active {
    display: block;
}

.table-container {
    overflow-x: auto;
    border-radius: var(--md-radius-sm);
    background: var(--md-surface-container-low);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th {
    padding: var(--md-spacing-md);
    text-align: left;
    font-weight: 500;
    color: var(--md-on-surface-variant);
    background: var(--md-surface-container-high);
    white-space: nowrap;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.data-table td {
    padding: var(--md-spacing-md);
    border-bottom: 1px solid var(--md-outline-variant);
    color: var(--md-on-surface);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background-color var(--md-transition-fast);
}

.data-table tbody tr:hover {
    background: var(--md-state-hover);
}

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

/* Loading State */
.loading-row td {
    text-align: center;
    padding: var(--md-spacing-2xl);
    color: var(--md-on-surface-variant);
}

.loading-row span {
    display: block;
    margin-top: var(--md-spacing-md);
    letter-spacing: 0.25px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--md-outline-variant);
    border-top-color: var(--md-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Material Design Chips / Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--md-spacing-xs) var(--md-spacing-sm);
    border-radius: var(--md-radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.badge.badge-sm {
    padding: 2px 6px;
    font-size: 0.625rem;
    border-radius: var(--md-radius-xs);
}

.badge-fatal {
    background: var(--md-error-container);
    color: var(--md-on-error-container);
}

.badge-normal {
    background: rgba(129, 199, 132, 0.2);
    color: var(--md-success);
}

.badge-test {
    background: rgba(100, 181, 246, 0.2);
    color: var(--md-info);
}

.badge-inactive {
    background: rgba(158, 158, 158, 0.2);
    color: var(--md-outline);
}

.badge-android {
    background: rgba(61, 220, 132, 0.15);
    color: var(--android-color);
}

.badge-ios {
    background: rgba(10, 132, 255, 0.15);
    color: var(--ios-color);
}

/* Error Preview */
.error-preview {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: var(--md-font-mono);
    font-size: 0.8125rem;
    color: var(--md-on-surface-variant);
}

/* View Details Button */
.btn-view {
    padding: var(--md-spacing-xs) var(--md-spacing-sm);
    background: var(--md-surface-container-highest);
    border: none;
    border-radius: var(--md-radius-sm);
    color: var(--md-primary);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.1px;
    cursor: pointer;
    transition: all var(--md-transition-standard);
}

.btn-view:hover {
    background: var(--md-primary);
    color: var(--md-on-primary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--md-spacing-2xl);
    color: var(--md-on-surface-variant);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: var(--md-spacing-md);
    opacity: 0.5;
}

/* =============================================================================
   Device Exceptions Expandable
   ============================================================================= */

.devices-table {
    font-size: 0.8125rem;
}

.devices-table th,
.devices-table td {
    padding: var(--md-spacing-sm) var(--md-spacing-sm);
    white-space: nowrap;
}

.devices-table th {
    font-size: 0.6875rem;
}

.devices-table .cell-truncate {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.devices-table .th-expand {
    width: 40px;
    padding: var(--md-spacing-xs);
}

.expand-cell {
    width: 40px;
    padding: var(--md-spacing-xs) !important;
    text-align: center;
}

.btn-expand {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--md-radius-full);
    color: var(--md-on-surface-variant);
    cursor: pointer;
    transition: all var(--md-transition-standard);
}

.btn-expand:hover {
    background: var(--md-state-hover);
    color: var(--md-primary);
}

.expand-icon {
    width: 24px;
    height: 24px;
    transition: transform var(--md-transition-emphasized);
}

.device-row {
    cursor: pointer;
}

.device-row.expanded {
    background: var(--md-state-pressed);
}

.device-row.expanded td {
    border-bottom-color: transparent;
}

.device-row-test {
    background: rgba(33, 150, 243, 0.08);
}

.device-row-test:hover {
    background: rgba(33, 150, 243, 0.15);
}

.device-row-test.expanded {
    background: rgba(33, 150, 243, 0.12);
}

.exceptions-row {
    background: var(--md-surface-container-low);
}

.exceptions-row td {
    padding: 0 !important;
}

.device-exceptions-container {
    padding: var(--md-spacing-md);
    max-height: 700px;
    overflow-y: auto;
}

/* Exception Table Expandable */
.exceptions-table .th-expand {
    width: 56px;
    padding: var(--md-spacing-sm);
}

.exception-row {
    cursor: pointer;
}

.exception-row.expanded {
    background: var(--md-state-pressed);
}

.exception-row.expanded td {
    border-bottom-color: transparent;
}

.exception-details-row {
    background: var(--md-surface-container-low);
}

.exception-details-row td {
    padding: 0 !important;
}

.exception-details-container {
    padding: var(--md-spacing-sm) var(--md-spacing-md);
}

.exception-details-container .loading-spinner {
    margin: var(--md-spacing-sm) auto;
}

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

.exception-details-content .detail-inline-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--md-spacing-xs) var(--md-spacing-sm);
    margin-bottom: var(--md-spacing-sm);
}

.exception-details-content .detail-inline {
    font-size: 0.75rem;
    color: var(--md-on-surface);
}

.exception-details-content .detail-inline b {
    color: var(--md-on-surface-variant);
    font-weight: 500;
}

.exception-details-content .detail-section {
    margin-top: var(--md-spacing-sm);
}

.exception-details-content .detail-section h4 {
    font-size: 0.6875rem;
    margin-bottom: var(--md-spacing-xs);
}

.exception-details-content .error-text-full,
.exception-details-content .stack-trace {
    max-height: 120px;
    font-size: 0.6875rem;
    padding: var(--md-spacing-xs) var(--md-spacing-sm);
    line-height: 1.4;
}

.device-exceptions-container .loading-spinner {
    margin: var(--md-spacing-lg) auto;
}

/* Device exceptions cards */
.device-exceptions-cards {
    gap: var(--md-spacing-sm);
}

.device-exceptions-cards .exception-card {
    padding: var(--md-spacing-sm) var(--md-spacing-md);
}

.device-exceptions-cards .exception-card-meta {
    flex-direction: row;
    align-items: center;
    gap: var(--md-spacing-md);
}

.device-exceptions-cards .exception-card-error {
    max-height: 80px;
}

.exceptions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--md-spacing-md);
    padding-bottom: var(--md-spacing-sm);
    border-bottom: 1px solid var(--md-outline-variant);
}

.exceptions-count {
    font-weight: 500;
    color: var(--md-on-surface);
    letter-spacing: 0.15px;
}

.exceptions-list {
    display: flex;
    flex-direction: column;
    gap: var(--md-spacing-sm);
}

.exception-item {
    padding: var(--md-spacing-md);
    background: var(--md-surface-container);
    border-radius: var(--md-radius-sm);
    border-left: 4px solid var(--md-warning);
    transition: all var(--md-transition-standard);
}

.exception-item:hover {
    box-shadow: var(--md-elevation-1);
}

.exception-item.fatal {
    border-left-color: var(--md-error);
}

.exception-item-header {
    display: flex;
    align-items: center;
    gap: var(--md-spacing-md);
    margin-bottom: var(--md-spacing-sm);
}

.exception-date {
    font-family: var(--md-font-mono);
    font-size: 0.8125rem;
    color: var(--md-on-surface-variant);
}

.exception-build {
    font-size: 0.75rem;
    color: var(--md-outline);
    margin-left: auto;
}

.exception-text {
    font-family: var(--md-font-mono);
    font-size: 0.8125rem;
    color: var(--md-on-surface);
    line-height: 1.5;
    max-height: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--md-spacing-sm);
    word-break: break-all;
}

.btn-view-details {
    padding: var(--md-spacing-xs) var(--md-spacing-sm);
    background: transparent;
    border: 1px solid var(--md-outline);
    border-radius: var(--md-radius-sm);
    color: var(--md-primary);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--md-transition-standard);
}

.btn-view-details:hover {
    background: var(--md-primary);
    border-color: var(--md-primary);
    color: var(--md-on-primary);
}

.no-exceptions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--md-spacing-sm);
    padding: var(--md-spacing-lg);
    color: var(--md-success);
}

.no-exceptions svg {
    width: 32px;
    height: 32px;
}

.exceptions-error {
    padding: var(--md-spacing-md);
    background: var(--md-error-container);
    border-radius: var(--md-radius-sm);
    color: var(--md-on-error-container);
    text-align: center;
}

/* =============================================================================
   Exceptions Search Bar
   ============================================================================= */

.exceptions-search-bar {
    display: flex;
    gap: var(--md-spacing-sm);
    margin-bottom: var(--md-spacing-lg);
    align-items: stretch;
}

.search-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrapper .search-icon {
    position: absolute;
    left: var(--md-spacing-md);
    width: 20px;
    height: 20px;
    color: var(--md-on-surface-variant);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: var(--md-spacing-sm) var(--md-spacing-md);
    padding-left: calc(var(--md-spacing-md) + 28px);
    padding-right: calc(var(--md-spacing-md) + 32px);
    background: var(--md-surface-container);
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--md-radius-md);
    color: var(--md-on-surface);
    font-family: var(--md-font-plain);
    font-size: 0.95rem;
    transition: var(--md-transition-standard);
    height: 44px;
}

.search-input:focus {
    outline: none;
    border-color: var(--md-primary);
    box-shadow: 0 0 0 2px rgba(208, 188, 255, 0.2);
}

.search-input::placeholder {
    color: var(--md-on-surface-variant);
    opacity: 0.7;
}

.search-clear-btn {
    position: absolute;
    right: var(--md-spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    background: var(--md-surface-container-high);
    border: none;
    border-radius: var(--md-radius-full);
    color: var(--md-on-surface-variant);
    cursor: pointer;
    transition: var(--md-transition-fast);
}

.search-clear-btn:hover {
    background: var(--md-surface-container-highest);
    color: var(--md-on-surface);
}

.search-clear-btn svg {
    width: 14px;
    height: 14px;
}

.search-btn {
    display: flex;
    align-items: center;
    gap: var(--md-spacing-sm);
    padding: var(--md-spacing-sm) var(--md-spacing-lg);
    background: var(--md-primary);
    border: none;
    border-radius: var(--md-radius-md);
    color: var(--md-on-primary);
    font-family: var(--md-font-plain);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--md-transition-standard);
    white-space: nowrap;
    height: 44px;
}

.search-btn:hover {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
}

.search-btn svg {
    width: 18px;
    height: 18px;
}

/* =============================================================================
   Exceptions Cards View
   ============================================================================= */

.exceptions-cards-container {
    min-height: 200px;
}

.exceptions-cards-container .loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--md-spacing-md);
    padding: var(--md-spacing-2xl);
    color: var(--md-on-surface-variant);
}

.exceptions-cards-container .empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--md-spacing-md);
    padding: var(--md-spacing-2xl);
    color: var(--md-on-surface-variant);
}

.exceptions-cards-container .empty-state svg {
    width: 48px;
    height: 48px;
    opacity: 0.5;
}

.exceptions-cards-list {
    display: flex;
    flex-direction: column;
    gap: var(--md-spacing-md);
}

.exception-card {
    background: var(--md-surface-container-low);
    border-radius: var(--md-radius-md);
    border-left: 4px solid transparent;
    padding: var(--md-spacing-md);
    transition: all var(--md-transition-standard);
}

.exception-card:hover {
    box-shadow: var(--md-elevation-2);
}

.exception-card.fatal {
    border-left-color: var(--md-error);
}

.exception-card.expanded {
    background: var(--md-surface-container);
}

.exception-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--md-spacing-md);
    margin-bottom: var(--md-spacing-sm);
}

.exception-card-badges {
    display: flex;
    gap: var(--md-spacing-xs);
    flex-wrap: wrap;
}

.status-badges {
    display: inline-flex;
    gap: 4px;
    flex-wrap: wrap;
    align-items: center;
}

.exception-card-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.exception-card-date {
    font-family: var(--md-font-mono);
    font-size: 0.8125rem;
    color: var(--md-on-surface);
    font-weight: 500;
}

.exception-card-distributor {
    font-size: 0.75rem;
    color: var(--md-on-surface-variant);
}

.exception-card-build {
    font-size: 0.6875rem;
    color: var(--md-outline);
    font-family: var(--md-font-mono);
}

.exception-card-error {
    font-family: var(--md-font-mono);
    font-size: 0.875rem;
    color: var(--md-on-surface);
    line-height: 1.6;
    word-break: break-word;
    white-space: pre-wrap;
    padding: var(--md-spacing-sm);
    background: rgba(128, 128, 128, 0.05);
    border-radius: var(--md-radius-sm);
    max-height: 120px;
    overflow-y: auto;
}

.exception-card-actions {
    margin-top: var(--md-spacing-sm);
    padding-top: var(--md-spacing-sm);
    border-top: 1px solid rgba(128, 128, 128, 0.1);
}

.btn-expand-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--md-spacing-xs);
    width: 100%;
    padding: var(--md-spacing-xs) 0;
    background: transparent;
    border: none;
    border-radius: 0;
    color: var(--md-on-surface-variant);
    font-family: var(--md-font-plain);
    font-size: 0.75rem;
    font-weight: 400;
    cursor: pointer;
    transition: all var(--md-transition-fast);
}

.btn-expand-card:hover {
    color: var(--md-primary);
}

.btn-expand-card .expand-icon {
    width: 14px;
    height: 14px;
    transition: transform var(--md-transition-standard);
}

.exception-card-details {
    margin-top: var(--md-spacing-md);
    padding-top: var(--md-spacing-md);
    border-top: 1px solid var(--md-outline-variant);
}

.exception-card-details .loading-spinner {
    margin: var(--md-spacing-sm) auto;
}

.exception-card-details-content {
    display: flex;
    flex-direction: column;
    gap: var(--md-spacing-md);
}

.exception-card-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--md-spacing-sm);
}

.exception-card-info-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.exception-card-info-item .info-label {
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--md-on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.exception-card-info-item .info-value {
    font-size: 0.8125rem;
    color: var(--md-on-surface);
}

.exception-card-stack {
    display: flex;
    flex-direction: column;
    gap: var(--md-spacing-xs);
}

.exception-card-stack .stack-label {
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--md-on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.exception-card-stack .stack-trace {
    max-height: 200px;
    background: rgba(128, 128, 128, 0.05);
    padding: var(--md-spacing-sm);
    border-radius: var(--md-radius-sm);
}

/* =============================================================================
   Pagination
   ============================================================================= */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--md-spacing-xs);
    padding: var(--md-spacing-md);
}

.pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--md-spacing-sm);
    background: transparent;
    border: none;
    border-radius: var(--md-radius-full);
    color: var(--md-on-surface-variant);
    font-family: var(--md-font-plain);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--md-transition-standard);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--md-state-hover);
    color: var(--md-on-surface);
}

.pagination-btn.active {
    background: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
}

.pagination-btn:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

.pagination-btn svg {
    width: 20px;
    height: 20px;
}

.pagination-info {
    color: var(--md-on-surface-variant);
    font-size: 0.875rem;
    margin: 0 var(--md-spacing-md);
    letter-spacing: 0.25px;
}

/* =============================================================================
   Analytics Tab
   ============================================================================= */

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--md-spacing-md);
}

.analytics-column {
    display: flex;
    flex-direction: column;
    gap: var(--md-spacing-md);
}

.analytics-card {
    background: var(--md-surface-container-low);
    border-radius: var(--md-radius-md);
    padding: var(--md-spacing-md);
}

.analytics-card.full-width {
    grid-column: 1 / -1;
}

.analytics-title {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--md-spacing-md);
    color: var(--md-on-surface);
    letter-spacing: 0.15px;
}

.analytics-list {
    display: flex;
    flex-direction: column;
    gap: var(--md-spacing-sm);
}

.analytics-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--md-spacing-sm) var(--md-spacing-md);
    background: var(--md-surface-container);
    border-radius: var(--md-radius-sm);
}

.analytics-item-name {
    font-weight: 500;
    color: var(--md-on-surface);
    letter-spacing: 0.15px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.analytics-item-value {
    display: flex;
    gap: var(--md-spacing-md);
    font-family: var(--md-font-mono);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.analytics-item-total {
    color: var(--md-on-surface-variant);
}

.analytics-item-fatal {
    color: var(--md-error);
}

.analytics-item-percent {
    font-size: 0.75rem;
    color: var(--md-on-surface-variant);
    min-width: 45px;
    text-align: right;
}

/* Devices by Platform / Version */
.devices-by-version-container {
    display: flex;
    flex-direction: column;
    gap: var(--md-spacing-md);
}

.devices-platform-section {
    border-radius: var(--md-radius-sm);
    background: var(--md-surface-container-low);
    overflow: hidden;
}

.devices-platform-section.android {
    border-left: 3px solid var(--android-color);
}

.devices-platform-section.ios {
    border-left: 3px solid var(--ios-color);
}

.devices-platform-header {
    display: flex;
    align-items: center;
    gap: var(--md-spacing-sm);
    padding: var(--md-spacing-sm) var(--md-spacing-md);
    background: var(--md-surface-container);
    font-weight: 500;
}

.devices-platform-name {
    flex: 1;
}

.devices-platform-total {
    font-size: 0.8125rem;
    color: var(--md-on-surface-variant);
}

.devices-version-list {
    display: flex;
    flex-direction: column;
}

.devices-version-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--md-spacing-xs) var(--md-spacing-md);
    border-bottom: 1px solid var(--md-outline-variant);
}

.devices-version-item:last-child {
    border-bottom: none;
}

.devices-version-name {
    font-size: 0.8125rem;
    color: var(--md-on-surface);
}

.devices-version-stats {
    display: flex;
    align-items: center;
    gap: var(--md-spacing-sm);
}

.devices-version-count {
    font-weight: 500;
    font-size: 0.8125rem;
    min-width: 40px;
    text-align: right;
}

.devices-version-percent {
    font-size: 0.75rem;
    color: var(--md-on-surface-variant);
    min-width: 45px;
    text-align: right;
}

/* Top Errors List */
.top-errors-list {
    display: flex;
    flex-direction: column;
    gap: var(--md-spacing-sm);
}

.error-item {
    padding: var(--md-spacing-md);
    background: var(--md-surface-container);
    border-radius: var(--md-radius-sm);
    border-left: 4px solid var(--md-warning);
}

.error-item.has-fatal {
    border-left-color: var(--md-error);
}

.error-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--md-spacing-sm);
}

.error-item-count {
    font-family: var(--md-font-mono);
    font-weight: 500;
    color: var(--md-primary);
}

.error-item-text {
    font-family: var(--md-font-mono);
    font-size: 0.8125rem;
    color: var(--md-on-surface-variant);
    word-break: break-all;
}

.error-item-dates {
    display: flex;
    gap: var(--md-spacing-lg);
    margin-top: var(--md-spacing-sm);
    font-size: 0.75rem;
    color: var(--md-outline);
}

/* =============================================================================
   Material Design Dialog / Modal
   ============================================================================= */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.32);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--md-transition-emphasized);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    background: var(--md-surface-container-high);
    border-radius: var(--md-radius-xl);
    overflow: hidden;
    transform: translateY(20px) scale(0.95);
    transition: transform var(--md-transition-emphasized);
    box-shadow: var(--md-elevation-5);
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--md-spacing-lg);
    border-bottom: 1px solid var(--md-outline-variant);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.15px;
    color: var(--md-on-surface);
}

.modal-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--md-radius-full);
    color: var(--md-on-surface-variant);
    cursor: pointer;
    transition: all var(--md-transition-standard);
}

.modal-close:hover {
    background: var(--md-state-hover);
    color: var(--md-error);
}

.modal-close svg {
    width: 24px;
    height: 24px;
}

.modal-body {
    padding: var(--md-spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

/* Modal Content Styles */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--md-spacing-md);
    margin-bottom: var(--md-spacing-lg);
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--md-spacing-xs);
}

.detail-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--md-on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-size: 0.9375rem;
    color: var(--md-on-surface);
    letter-spacing: 0.25px;
}

.detail-section {
    margin-top: var(--md-spacing-lg);
}

.detail-section-title {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--md-on-surface-variant);
    margin-bottom: var(--md-spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.error-text-full,
.stack-trace {
    padding: var(--md-spacing-md);
    background: var(--md-surface-container-lowest);
    border-radius: var(--md-radius-sm);
    font-family: var(--md-font-mono);
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--md-on-surface);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 300px;
    overflow-y: auto;
}

/* =============================================================================
   Responsive Design
   ============================================================================= */

@media (max-width: 1200px) {
    .filters-panel {
        width: 300px;
        min-width: 300px;
    }
}

@media (max-width: 1024px) {
    .layout-wrapper {
        flex-direction: column;
    }
    
    .filters-panel {
        order: -1;
        position: relative;
        top: 0;
        width: 100%;
        min-width: unset;
        max-height: none;
    }
    
    .filters-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: var(--md-spacing-md);
        overflow: visible;
    }
    
    .analytics-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .app-container {
        padding: var(--md-spacing-sm);
    }
    
    .filters-list {
        grid-template-columns: 1fr 1fr;
    }
    
    .tabs {
        border-radius: var(--md-radius-lg);
    }
    
    .tab {
        padding: var(--md-spacing-sm);
        font-size: 0.8125rem;
    }
    
    .tab svg {
        display: none;
    }
    
    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
    
    .modal {
        width: 95%;
        border-radius: var(--md-radius-lg);
    }
}

@media (max-width: 480px) {
    .filters-list {
        grid-template-columns: 1fr;
    }
    
    .summary-grid {
        grid-template-columns: 1fr;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
}

/* =============================================================================
   Scrollbar Styling (Material-like)
   ============================================================================= */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--md-outline-variant);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--md-outline);
}

/* =============================================================================
   Selection Styling
   ============================================================================= */

::selection {
    background: var(--md-primary);
    color: var(--md-on-primary);
}