:root {
    --m3-primary: #006a60;
    --m3-on-primary: #ffffff;
    --m3-primary-container: #78f7e5;
    --m3-on-primary-container: #00201c;
    --m3-secondary: #4a635f;
    --m3-tertiary: #456179;
    --m3-error: #ba1a1a;
    --m3-surface: #fbfdf9;
    --m3-surface-container-low: #f2f5f0;
    --m3-surface-container: #ecefeb;
    --m3-surface-container-high: #e6e9e5;
    --m3-on-surface: #191c1b;
    --m3-on-surface-variant: #3f4946;
    --m3-outline: #6f7976;
    --m3-outline-variant: #bec9c5;
    --m3-state-hover: rgba(0, 106, 96, 0.08);
    --m3-state-focus: rgba(0, 106, 96, 0.12);
    --m3-state-pressed: rgba(0, 106, 96, 0.16);
    --m3-shadow: 0 1px 2px rgba(0, 0, 0, 0.12), 0 1px 3px rgba(0, 0, 0, 0.08);
    --m3-radius-sm: 8px;
    --m3-radius-md: 12px;
    --m3-radius-lg: 16px;
    --app-rail-width: 112px;
    --app-filter-width: clamp(320px, 24vw, 420px);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    background: var(--m3-surface);
    color: var(--m3-on-surface);
    font-family: Roboto, Arial, sans-serif;
    font-size: 14px;
    letter-spacing: 0;
}

button,
input,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: var(--app-rail-width) 1fr;
    background: var(--m3-surface);
}

.app-frame {
    display: grid;
    grid-template-columns: var(--app-filter-width) minmax(0, 1fr);
    min-width: 0;
}

.app-nav-rail {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    padding: 18px 12px;
    background: var(--m3-surface-container);
    border-right: 1px solid var(--m3-outline-variant);
    z-index: 20;
}

.app-brand {
    display: grid;
    place-items: center;
    gap: 6px;
    min-height: 72px;
    color: var(--m3-primary);
    font-size: 12px;
    font-weight: 700;
}

.app-brand .material-icons-outlined {
    font-size: 30px;
}

.app-nav-item,
.app-bottom-nav-item {
    border: 0;
    background: transparent;
    color: var(--m3-on-surface-variant);
}

.app-nav-item {
    width: 88px;
    min-height: 64px;
    border-radius: var(--m3-radius-lg);
    display: grid;
    place-items: center;
    gap: 3px;
    padding: 8px 4px;
    font-size: 12px;
    font-weight: 500;
}

.app-nav-item .material-icons-outlined,
.app-bottom-nav-item .material-icons-outlined {
    border-radius: 999px;
    padding: 4px 16px;
    font-size: 24px;
}

.app-nav-item:hover,
.app-bottom-nav-item:hover {
    background: var(--m3-state-hover);
}

.app-nav-item.active,
.app-bottom-nav-item.active {
    color: var(--m3-on-primary-container);
    font-weight: 700;
}

.app-nav-item.active .material-icons-outlined,
.app-bottom-nav-item.active .material-icons-outlined {
    background: var(--m3-primary-container);
}

.app-bottom-nav {
    display: none;
}

.page-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: auto;
    padding: 20px;
    background: var(--m3-surface-container-low);
    border-right: 1px solid var(--m3-outline-variant);
}

.page-sidebar-inner {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-container {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.page-header {
    position: sticky;
    top: 0;
    z-index: 15;
    background: color-mix(in srgb, var(--m3-surface) 92%, transparent);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--m3-outline-variant);
}

.app-top-bar {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 24px;
}

.app-top-title {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--m3-on-surface);
    font-size: 20px;
    font-weight: 700;
}

.app-top-title .material-icons-outlined {
    color: var(--m3-primary);
}

.app-top-controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.daily-date-field,
.solver-tuning-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
    color: var(--m3-on-surface-variant);
    font-size: 12px;
    font-weight: 700;
}

.daily-date-select,
.form-control,
.solver-tuning-select,
.solver-tuning-field input,
.solver-tuning-field select {
    width: 100%;
    min-height: 40px;
    border: 1px solid var(--m3-outline);
    border-radius: var(--m3-radius-sm);
    background: var(--m3-surface);
    color: var(--m3-on-surface);
    padding: 8px 12px;
    outline: none;
}

.daily-date-select {
    min-width: 172px;
}

.daily-date-select:focus,
.form-control:focus,
.solver-tuning-select:focus,
.solver-tuning-field input:focus,
.solver-tuning-field select:focus {
    border-color: var(--m3-primary);
    box-shadow: 0 0 0 3px var(--m3-state-focus);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    color: var(--m3-on-surface-variant);
    text-decoration: none;
}

.theme-toggle:hover {
    background: var(--m3-state-hover);
    color: var(--m3-primary);
}

.page-content {
    min-width: 0;
    padding: 24px;
}

.app-section {
    display: none;
}

.app-section.active {
    display: block;
}

.section-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.section-heading h1 {
    margin: 0 0 4px;
    color: var(--m3-on-surface);
    font-size: 28px;
    line-height: 1.15;
    font-weight: 700;
}

.section-heading p {
    max-width: 760px;
    margin: 0;
    color: var(--m3-on-surface-variant);
    line-height: 1.45;
}

.section-status,
.daily-mode-badge,
.analysis-status-badge {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    border-radius: 999px;
    padding: 4px 10px;
    background: var(--m3-secondary);
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.daily-mode-badge.is-today,
.analysis-status-badge.is-ready {
    background: var(--m3-primary);
}

.daily-mode-badge.is-archive,
.analysis-status-badge.is-running {
    background: #7a5900;
}

.analysis-status-badge.is-failed {
    background: var(--m3-error);
}

.placeholder-surface {
    min-height: 360px;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 10px;
    text-align: center;
    border: 1px dashed var(--m3-outline);
    border-radius: var(--m3-radius-lg);
    background: var(--m3-surface-container-low);
    color: var(--m3-on-surface-variant);
    padding: 32px;
}

.placeholder-surface .material-icons-outlined {
    color: var(--m3-primary);
    font-size: 42px;
}

.placeholder-surface h2 {
    margin: 0;
    color: var(--m3-on-surface);
    font-size: 20px;
}

.placeholder-surface p {
    max-width: 560px;
    margin: 0;
    line-height: 1.5;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
}

.dashboard-widget {
    border: 1px solid var(--m3-outline-variant);
    border-radius: var(--m3-radius-md);
    background: var(--m3-surface-container-low);
    padding: 14px;
}

.dashboard-widget-leaderboard {
    grid-column: span 4;
}

.dashboard-widget-chart {
    grid-column: span 8;
}

.dashboard-widget-solutions {
    grid-column: 1 / -1;
}

.dashboard-widget-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--m3-outline-variant);
    padding-bottom: 10px;
    margin-bottom: 12px;
}

.dashboard-widget-header h2 {
    margin: 0 0 3px;
    color: var(--m3-primary);
    font-size: 18px;
    font-weight: 700;
}

.dashboard-widget-header p {
    margin: 0;
    color: var(--m3-on-surface-variant);
    font-size: 12px;
}

.dashboard-player-list,
.dashboard-trend-chart {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dashboard-player-list {
    max-height: 560px;
    overflow: auto;
    padding-right: 4px;
}

.dashboard-player-item {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr) 52px 52px;
    gap: 8px;
    align-items: center;
    border: 1px solid var(--m3-outline-variant);
    border-radius: var(--m3-radius-sm);
    background: var(--m3-surface);
    padding: 8px;
}

.dashboard-player-item.is-andywar,
.dashboard-solution-card.is-andywar,
.dashboard-trend-row.is-andywar {
    border-color: var(--m3-primary);
    background: color-mix(in srgb, var(--m3-primary-container) 34%, var(--m3-surface));
}

.dashboard-player-rank,
.dashboard-trend-rank {
    color: var(--m3-primary);
    font-size: 12px;
    font-weight: 700;
}

.dashboard-player-name {
    color: var(--m3-on-surface);
    font-size: 13px;
    font-weight: 700;
}

.dashboard-player-item.is-andywar .dashboard-player-name::after {
    content: " target";
    margin-left: 6px;
    border-radius: 999px;
    background: var(--m3-primary);
    color: var(--m3-on-primary);
    padding: 2px 7px;
    font-size: 10px;
    font-weight: 700;
}

.dashboard-player-meta,
.dashboard-trend-label {
    color: var(--m3-on-surface-variant);
    font-size: 11px;
    line-height: 1.35;
}

.dashboard-player-score {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1px;
}

.dashboard-player-score span {
    color: var(--m3-on-surface);
    font-weight: 700;
}

.dashboard-player-score small {
    color: var(--m3-on-surface-variant);
    font-size: 10px;
    text-transform: uppercase;
}

.dashboard-line-chart {
    border: 1px solid var(--m3-outline-variant);
    border-radius: var(--m3-radius-sm);
    background: var(--m3-surface);
    padding: 12px;
}

.dashboard-line-chart svg {
    width: 100%;
    min-height: 360px;
    display: block;
}

.dashboard-line-grid {
    stroke: var(--m3-outline-variant);
    stroke-width: 1;
}

.dashboard-line-axis {
    fill: var(--m3-on-surface-variant);
    font-size: 11px;
    font-weight: 700;
}

.dashboard-line-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    margin-top: 10px;
}

.dashboard-line-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--m3-on-surface-variant);
    font-size: 12px;
    font-weight: 700;
}

.dashboard-line-legend span.is-andywar {
    color: #a63f20;
}

.dashboard-line-legend i {
    width: 10px;
    height: 10px;
    border-radius: 999px;
}

.dashboard-solution-card {
    border: 1px solid var(--m3-outline-variant);
    border-radius: var(--m3-radius-sm);
    background: var(--m3-surface);
    padding: 12px;
}

.dashboard-solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(260px, 1fr));
    gap: 12px;
    align-items: stretch;
}

.dashboard-solutions-grid .top-score-empty {
    min-height: 180px;
}

.dashboard-solution-card .grid-combo-boards {
    justify-content: flex-start;
}

.dashboard-solutions-grid .dashboard-solution-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.dashboard-solutions-grid .grid-combo-debug {
    margin-top: auto;
}

.dynamic-solver-layout {
    display: grid;
    grid-template-columns: minmax(360px, 0.95fr) minmax(360px, 1.05fr);
    gap: 16px;
    align-items: start;
}

.dynamic-solver-board-panel,
.dynamic-solver-words-panel {
    border: 1px solid var(--m3-outline-variant);
    border-radius: var(--m3-radius-md);
    background: var(--m3-surface-container-low);
    padding: 14px;
}

.dynamic-solver-toolbar,
.dynamic-solver-tabs,
.dynamic-solver-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.dynamic-solver-toolbar {
    justify-content: space-between;
    margin-bottom: 12px;
}

.dynamic-solver-toolbar button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.dynamic-solver-toolbar .material-icons-outlined {
    font-size: 18px;
}

.dynamic-solver-board {
    display: grid;
    grid-template-columns: repeat(6, minmax(48px, 72px));
    gap: 6px;
    justify-content: center;
    border-radius: var(--m3-radius-md);
    background: var(--m3-surface);
    padding: 12px;
}

.dynamic-solver-cell {
    position: relative;
    aspect-ratio: 1;
    min-width: 0;
    border: 1px solid var(--m3-outline-variant);
    border-radius: 8px;
    background: var(--m3-surface-container-low);
    color: var(--m3-outline);
    display: grid;
    place-items: center;
    font-size: 22px;
    font-weight: 700;
    user-select: none;
}

.dynamic-solver-cell:hover {
    border-color: var(--m3-primary);
    background: var(--m3-state-hover);
}

.dynamic-solver-cell.is-filled {
    border-color: var(--m3-primary);
    background: var(--m3-primary-container);
    color: var(--m3-on-primary-container);
}

.dynamic-solver-cell.is-selected {
    box-shadow: 0 0 0 3px var(--m3-state-focus);
    outline: 2px solid var(--m3-primary);
}

.dynamic-solver-cell.special-letter.special-low {
    border-color: #6d8fd8;
    background: #dbe6ff;
    color: #173f87;
}

.dynamic-solver-cell.special-letter.special-high {
    border-color: #315dad;
    background: #bfd2ff;
    color: #062f75;
}

.dynamic-solver-cell.special-word.special-low {
    border-color: #c96f2d;
    background: #ffe0c6;
    color: #723200;
}

.dynamic-solver-cell.special-word.special-high {
    border-color: #a63f20;
    background: #ffc3ad;
    color: #651b09;
}

.dynamic-solver-cell.is-invalid {
    border-color: var(--m3-error);
    box-shadow: inset 0 0 0 2px var(--m3-error);
}

.dynamic-solver-cell::after {
    content: attr(data-special);
    position: absolute;
    right: 4px;
    bottom: 3px;
    color: currentColor;
    font-size: 9px;
    line-height: 1;
    font-weight: 700;
}

.dynamic-solver-status,
.dynamic-solver-slot-summary,
.dynamic-solver-letters-available,
.dynamic-solver-word-count,
.dynamic-solver-placements {
    color: var(--m3-on-surface-variant);
    font-size: 12px;
    line-height: 1.4;
}

.dynamic-solver-status,
.dynamic-solver-placements {
    margin-top: 12px;
}

.dynamic-solver-placements {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.dynamic-solver-placement-item {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    border: 1px solid var(--m3-outline-variant);
    border-radius: var(--m3-radius-sm);
    background: var(--m3-surface);
    padding: 8px 10px;
}

.dynamic-solver-filters {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 12px;
}

.dynamic-solver-filter-row .solver-tuning-field {
    flex: 1 1 170px;
}

.dynamic-solver-tab {
    min-height: 36px;
    border: 1px solid var(--m3-outline);
    border-radius: 999px;
    background: var(--m3-surface);
    color: var(--m3-primary);
    padding: 7px 12px;
    font-size: 13px;
    font-weight: 700;
}

.dynamic-solver-tab:hover {
    background: var(--m3-state-hover);
}

.dynamic-solver-tab.active {
    border-color: var(--m3-primary);
    background: var(--m3-primary);
    color: var(--m3-on-primary);
}

.dynamic-solver-slot-summary {
    border: 1px solid var(--m3-outline-variant);
    border-radius: var(--m3-radius-sm);
    background: var(--m3-surface);
    padding: 10px;
    margin-bottom: 10px;
}

.dynamic-solver-letters-available {
    display: flex;
    flex-direction: column;
    gap: 8px;
    border: 1px solid var(--m3-outline-variant);
    border-radius: var(--m3-radius-sm);
    background: var(--m3-surface);
    padding: 10px;
    margin-bottom: 10px;
}

.dynamic-solver-letters-title {
    color: var(--m3-primary);
    font-weight: 700;
}

.dynamic-solver-letters-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.dynamic-solver-letter-chip {
    width: 34px;
    height: 40px;
    border: 1px solid var(--m3-outline-variant);
    border-radius: var(--m3-radius-sm);
    background: var(--m3-surface-container-low);
    color: var(--m3-primary);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.dynamic-solver-letter-chip small {
    color: var(--m3-on-surface-variant);
    font-size: 10px;
}

.dynamic-solver-letter-empty {
    color: var(--m3-on-surface-variant);
    font-style: italic;
}

.dynamic-solver-word-count {
    margin-bottom: 8px;
    font-weight: 700;
}

.dynamic-solver-word-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 620px;
    overflow: auto;
    padding-right: 4px;
}

.dynamic-solver-word-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--m3-outline-variant);
    border-radius: 999px;
    background: var(--m3-surface);
    color: var(--m3-on-surface);
    padding: 6px 10px;
    font-weight: 700;
}

.dynamic-solver-word-btn:hover:not(:disabled) {
    border-color: var(--m3-primary);
    background: var(--m3-state-hover);
}

.dynamic-solver-word-btn:disabled {
    cursor: default;
    opacity: 0.55;
}

.dynamic-solver-word-score {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    min-height: 24px;
    border-radius: 999px;
    background: var(--m3-primary-container);
    color: var(--m3-on-primary-container);
    padding: 2px 7px;
    font-size: 12px;
}

body:not([data-app-section="search"]) .page-sidebar {
    display: none;
}

body:not([data-app-section="search"]) .app-frame {
    grid-template-columns: 1fr;
}

.daily-letters-section,
.advanced-filters-panel,
.selected-words-widget,
.top-score-section,
.letter-group,
.solver-tuning-panel,
.solver-tuning-group,
.grid-combo-item,
.expand-shape-card,
.expand-selected-pattern-info,
.grid-tuning-active-params {
    border: 1px solid var(--m3-outline-variant);
    border-radius: var(--m3-radius-md);
    background: var(--m3-surface-container-low);
    box-shadow: none;
}

.daily-letters-section,
.advanced-filters-panel,
.selected-words-widget,
.top-score-section,
.letter-group,
.solver-tuning-panel,
.solver-tuning-group,
.grid-combo-item,
.expand-selected-pattern-info {
    padding: 14px;
}

.advanced-filters-panel.is-collapsed {
    display: none;
}

.sidebar-title,
.selected-words-header h3,
.top-score-section h3,
.letter-group h3,
.solver-tuning-group-title,
.expand-shape-card-title,
.expand-selected-pattern-title,
.grid-combo-board-title {
    margin: 0;
    color: var(--m3-primary);
    font-size: 14px;
    font-weight: 700;
}

.daily-letters-section {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.letters-container,
.letters-controls,
.filter-options,
.selected-words-list,
.tabs-container,
.top-score-controls,
.solver-tuning-actions,
.top10-analysis-controls,
.expand-shape-selector-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.letters-container {
    gap: 7px;
}

.letter-btn {
    width: 40px;
    height: 48px;
    border: 1px solid var(--m3-outline);
    border-radius: var(--m3-radius-sm);
    background: var(--m3-surface);
    color: var(--m3-primary);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2px;
    font-weight: 700;
}

.letter-btn:hover {
    background: var(--m3-state-hover);
}

.letter-btn.selected {
    border-color: var(--m3-primary);
    background: var(--m3-primary);
    color: var(--m3-on-primary);
}

.letter-text {
    font-size: 16px;
    line-height: 1;
}

.letter-value {
    font-size: 10px;
    opacity: 0.82;
}

.letters-controls button,
.advanced-filters-toggle,
.top-nav-btn,
.solver-tuning-actions button,
.analysis-start-btn,
.expand-shape-card button,
button.secondary {
    min-height: 36px;
    border: 1px solid var(--m3-outline);
    border-radius: 999px;
    background: var(--m3-surface);
    color: var(--m3-primary);
    padding: 7px 12px;
    font-size: 13px;
    font-weight: 700;
}

.solver-tuning-actions button:not(.secondary) {
    background: var(--m3-primary);
    color: var(--m3-on-primary);
    border-color: var(--m3-primary);
}

.letters-controls button:hover,
.advanced-filters-toggle:hover,
.top-nav-btn:hover:not(:disabled),
.solver-tuning-actions button:hover:not(:disabled),
.analysis-start-btn:hover:not(:disabled),
.expand-shape-card button:hover,
button.secondary:hover {
    background: var(--m3-state-hover);
}

.filter-section,
.regex-filter-section,
.filter-label-description-wrap,
.solver-tuning-groups,
.expand-shape-card-header,
.expand-selected-pattern-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-options {
    flex-direction: column;
}

.filter-option-group {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    align-items: center;
    border-radius: var(--m3-radius-sm);
    padding: 8px;
    background: var(--m3-surface);
}

.filter-label {
    color: var(--m3-on-surface);
    font-weight: 700;
}

.filter-description,
.solver-tuning-help,
.solver-tuning-group-note,
.expand-shape-card-meta,
.analysis-run-info,
.grid-combo-debug-line,
.grid-combo-meta,
.wildcard-note,
.stats {
    color: var(--m3-on-surface-variant);
    font-size: 12px;
    line-height: 1.4;
}

.filter-example-box {
    display: grid;
    gap: 5px;
    padding: 10px;
    border-radius: var(--m3-radius-sm);
    background: var(--m3-surface);
    color: var(--m3-on-surface-variant);
    font-size: 12px;
}

.example-title {
    font-weight: 700;
    color: var(--m3-primary);
}

#filter-example,
#filter-regex-example {
    display: flex;
    align-items: center;
    gap: 7px;
}

.example-input {
    font-family: Consolas, Monaco, "Courier New", monospace;
    font-weight: 700;
}

.main-content {
    min-width: 0;
}

.tabs-container {
    align-items: center;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--m3-outline-variant);
}

.tab-btn {
    min-height: 48px;
    border: 0;
    border-bottom: 3px solid transparent;
    background: transparent;
    color: var(--m3-on-surface-variant);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    font-weight: 700;
}

.tab-btn .material-icons-outlined {
    font-size: 20px;
}

.tab-btn:hover {
    background: var(--m3-state-hover);
}

.tab-btn.active {
    color: var(--m3-primary);
    border-bottom-color: var(--m3-primary);
}

.tab-content {
    display: none;
}

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

.words-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 12px;
}

.letter-group.hidden,
.word-item.hidden,
.word-item.paged-out,
.letter-group-controls.hidden,
.is-hidden {
    display: none !important;
}

.letter-group h3 {
    margin-bottom: 10px;
    text-transform: uppercase;
}

.words-list,
.top-score-list,
.grid-combos-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.top-score-list,
.grid-combos-list {
    flex-direction: column;
}

.word-item,
.top-score-item,
.selected-word-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--m3-outline-variant);
    border-radius: 999px;
    background: var(--m3-surface);
    color: var(--m3-on-surface);
    padding: 6px 10px;
}

.word-item:hover,
.top-score-item:hover,
.selected-word-chip:hover {
    border-color: var(--m3-primary);
    background: var(--m3-state-hover);
}

.word-item.selected,
.top-score-item.selected {
    background: var(--m3-primary);
    border-color: var(--m3-primary);
    color: var(--m3-on-primary);
}

.word-label,
.selected-word-chip-label {
    font-weight: 700;
}

.word-score,
.selected-words-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    min-height: 24px;
    border-radius: 999px;
    background: var(--m3-primary-container);
    color: var(--m3-on-primary-container);
    padding: 2px 7px;
    font-size: 12px;
    font-weight: 700;
}

.top-scores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
}

.top-score-controls {
    align-items: center;
    justify-content: space-between;
    margin: 10px 0;
}

.top-page-indicator,
.top-score-rank,
.grid-combo-rank {
    color: var(--m3-primary);
    font-size: 12px;
    font-weight: 700;
}

.top-score-empty,
.selected-words-empty {
    border: 1px dashed var(--m3-outline);
    border-radius: var(--m3-radius-md);
    background: var(--m3-surface);
    color: var(--m3-on-surface-variant);
    padding: 14px;
}

.top-score-empty.is-loading,
.selected-words-empty.is-loading {
    display: flex;
    align-items: center;
    gap: 10px;
}

.solver-tuning-panel,
.solver-tuning-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.solver-tuning-head {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex-wrap: wrap;
}

.solver-tuning-head-label {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.solver-tuning-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(110px, 1fr));
    gap: 10px;
}

.solver-tuning-actions {
    align-items: center;
}

.solver-tuning-status {
    color: var(--m3-primary);
    font-size: 12px;
    font-weight: 700;
}

.grid-tuning-active-params {
    margin-bottom: 10px;
    padding: 10px 12px;
}

.expand-shape-selector-controls {
    align-items: flex-end;
    margin-bottom: 12px;
}

.expand-shapes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 14px;
}

.expand-shape-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 14px;
    background: var(--m3-surface-container-low);
}

.expand-shape-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--m3-outline-variant);
    padding-bottom: 10px;
}

.expand-shape-card-title {
    flex: 0 0 auto;
    color: var(--m3-primary);
    font-size: 16px;
    line-height: 1.2;
    font-weight: 700;
}

.expand-shape-card-meta {
    color: var(--m3-on-surface-variant);
    font-size: 13px;
    line-height: 1.35;
    font-weight: 700;
    text-align: right;
}

.expand-shape-board-wrap {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
}

.expand-expansion-header,
.expand-selected-pattern-info,
.top10-analysis-controls {
    margin-bottom: 12px;
}

.expand-selected-pattern-info {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.wildcard-sequence {
    color: var(--m3-on-surface-variant);
    font-family: Consolas, Monaco, "Courier New", monospace;
    font-size: 13px;
    line-height: 1.45;
    word-break: break-word;
}

.grid-combo-header,
.grid-combo-boards {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-start;
}

.grid-combo-header {
    align-items: center;
    margin-bottom: 10px;
}

.grid-combo-boards {
    margin: 10px 0;
}

.grid-combo-board-wrap {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.grid-combo-board,
.wildcard-board,
.expand-shape-preview-board {
    display: grid;
    gap: 4px;
}

.grid-combo-board,
.wildcard-board {
    grid-template-columns: repeat(6, 34px);
}

.expand-shape-preview-board {
    grid-template-columns: repeat(6, 24px);
    gap: 3px;
    border-radius: var(--m3-radius-sm);
    background: var(--m3-surface);
    padding: 8px;
}

.expand-shape-debug {
    margin-top: 0;
}

.expand-shape-debug .grid-combo-debug-line {
    grid-template-columns: minmax(80px, 0.28fr) 1fr;
}

.expand-shape-card .wildcard-expand-btn {
    align-self: flex-start;
    margin-top: auto;
    background: var(--m3-primary);
    border-color: var(--m3-primary);
    color: var(--m3-on-primary);
}

.grid-combo-cell,
.wildcard-cell {
    position: relative;
    width: 34px;
    height: 34px;
    border: 1px solid var(--m3-outline-variant);
    border-radius: 6px;
    background: var(--m3-surface);
    color: var(--m3-outline);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    user-select: none;
}

.expand-shape-preview-board .wildcard-cell {
    width: 24px;
    height: 24px;
    border-radius: 5px;
    font-size: 11px;
}

.grid-combo-cell.filled,
.wildcard-cell.filled {
    border-color: var(--m3-primary);
    background: var(--m3-primary-container);
    color: var(--m3-on-primary-container);
}

.grid-combo-cell.special-letter.special-low,
.wildcard-cell.special-letter.special-low {
    border-color: #6d8fd8;
    background: #dbe6ff;
    color: #173f87;
}

.grid-combo-cell.special-letter.special-high,
.wildcard-cell.special-letter.special-high {
    border-color: #315dad;
    background: #bfd2ff;
    color: #062f75;
}

.grid-combo-cell.special-word.special-low,
.wildcard-cell.special-word.special-low {
    border-color: #c96f2d;
    background: #ffe0c6;
    color: #723200;
}

.grid-combo-cell.special-word.special-high,
.wildcard-cell.special-word.special-high {
    border-color: #a63f20;
    background: #ffc3ad;
    color: #651b09;
}

.grid-combo-cell.special-cell::after,
.wildcard-cell.special-cell::after {
    content: attr(data-special);
    position: absolute;
    right: 2px;
    bottom: 1px;
    font-size: 8px;
    line-height: 1;
    font-weight: 700;
}

.expand-shape-preview-board .wildcard-cell.special-cell::after {
    font-size: 7px;
}

.grid-combo-debug {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 10px;
    border-left: 4px solid var(--m3-primary);
    border-radius: var(--m3-radius-sm);
    background: var(--m3-surface);
    padding: 10px;
}

.grid-combo-debug-line {
    display: grid;
    grid-template-columns: minmax(120px, 0.35fr) 1fr;
    gap: 10px;
}

.grid-combo-debug-label {
    color: var(--m3-primary);
    font-weight: 700;
}

.analysis-progress-bar {
    width: min(360px, 100%);
    height: 10px;
    overflow: hidden;
    border-radius: 999px;
    background: var(--m3-surface-container-high);
}

.analysis-progress-fill {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--m3-primary);
    transition: width 0.2s ease;
}

.analysis-progress-fill.is-failed {
    background: var(--m3-error);
}

.stats {
    margin-top: 14px;
    border-radius: var(--m3-radius-sm);
    background: var(--m3-surface-container-low);
    padding: 10px 12px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
.tab-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--m3-state-focus);
}

@media (max-width: 1180px) {
    .app-shell {
        grid-template-columns: 1fr;
        padding-bottom: 78px;
    }

    .app-nav-rail {
        display: none;
    }

    .app-frame {
        grid-template-columns: 1fr;
    }

    .page-sidebar {
        position: static;
        height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--m3-outline-variant);
    }

    .app-bottom-nav {
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 30;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        min-height: 72px;
        padding: 6px 12px 8px;
        background: var(--m3-surface-container);
        border-top: 1px solid var(--m3-outline-variant);
    }

    .app-bottom-nav-item {
        display: grid;
        place-items: center;
        gap: 2px;
        border-radius: var(--m3-radius-lg);
        font-size: 12px;
        font-weight: 700;
    }

    .page-header {
        top: 0;
    }
}

@media (max-width: 1400px) and (min-width: 761px) {
    .dashboard-widget-leaderboard,
    .dashboard-widget-chart {
        grid-column: span 6;
    }

    .dashboard-line-chart svg {
        min-height: 320px;
    }
}

@media (max-width: 760px) {
    .app-top-bar,
    .section-heading,
    .expand-selected-pattern-info,
    .solver-tuning-head {
        flex-direction: column;
        align-items: stretch;
    }

    .page-content,
    .page-sidebar {
        padding: 16px;
    }

    .app-top-controls {
        justify-content: flex-start;
    }

    .solver-tuning-grid {
        grid-template-columns: 1fr;
    }

    .words-grid,
    .top-scores-grid,
    .expand-shapes-grid,
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-widget-leaderboard,
    .dashboard-widget-chart,
    .dashboard-widget-solutions {
        grid-column: auto;
    }

    .dashboard-player-list {
        max-height: none;
        overflow: visible;
        padding-right: 0;
    }

    .dashboard-player-item {
        grid-template-columns: 34px minmax(0, 1fr);
    }

    .dashboard-solutions-grid {
        grid-template-columns: 1fr;
    }

    .dynamic-solver-layout {
        grid-template-columns: 1fr;
    }

    .dynamic-solver-board {
        grid-template-columns: repeat(6, minmax(38px, 1fr));
    }

    .dashboard-player-score {
        align-items: flex-start;
    }

    .tabs-container {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 2px;
    }

    .tab-btn {
        white-space: nowrap;
    }
}