/*!
 * ui-core.css
 *
 * Zentrales UI-Stylesheet für öffentliche Frontend-Module (Lobby, Wheel, Bingo, ...).
 * Enthält ausschließlich generische Komponenten, Tokens und Layout-Bausteine.
 * Modul-spezifische Regeln gehören in die jeweiligen <module>/ui.css Dateien.
 */

:root {
    --ui-bg-page: #121212;
    --ui-bg-surface: #1e1e1e;
    --ui-bg-surface-raised: #2a2a2a;
    --ui-accent-primary: #255fb5;
    --ui-accent-secondary: #2b374e;
    --ui-text-primary: #ffffff;
    --ui-text-muted: #9a9da0;
    --ui-border-color: rgba(154, 157, 160, 0.18);
    --ui-radius-card: 12px;
    --ui-radius-pill: 999px;
    --ui-space-2xs: 0.25rem;
    --ui-space-xs: 0.5rem;
    --ui-space-sm: 0.75rem;
    --ui-space-md: 1rem;
    --ui-space-lg: 1.25rem;
    --ui-font-size-base: 15px;
    --ui-font-size-sm: 13px;
    --ui-font-size-h2: 0.9rem;
    --ui-line-height-base: 1.4;
    --ui-line-height-tight: 1.2;
    --ui-shadow-strong: 0 16px 32px rgba(0, 0, 0, 0.6), 0 2px 4px rgba(0, 0, 0, 0.8);
    --ui-shadow-soft: 0 12px 24px rgba(0, 0, 0, 0.45);
    --ui-shadow-elevated: 0 10px 20px rgba(0, 0, 0, 0.8), 0 1px 2px rgba(0, 0, 0, 0.9);
    --ui-shadow-button-primary: 0 16px 32px rgba(37, 95, 181, 0.45), 0 2px 4px rgba(0, 0, 0, 0.8), 0 0 16px rgba(37, 95, 181, 0.6);
}

/* Typography helpers */
.ui-section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    row-gap: var(--ui-space-xs);
    column-gap: var(--ui-space-sm);
}

.ui-section-title {
    font-size: 1.1rem;
    line-height: var(--ui-line-height-tight);
    font-weight: 600;
    color: var(--ui-text-primary);
    margin: 0;
}

.ui-section-meta {
    font-size: var(--ui-font-size-sm);
    line-height: var(--ui-line-height-tight);
    color: var(--ui-text-muted);
    font-weight: 500;
}

.ui-card {
    background-color: var(--ui-bg-surface);
    border: 1px solid var(--ui-border-color);
    border-radius: var(--ui-radius-card);
    padding: var(--ui-space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--ui-space-md);
    box-shadow: var(--ui-shadow-soft);
}

.ui-card-group {
    display: flex;
    flex-direction: column;
    gap: var(--ui-space-lg);
}

.ui-grid-2col {
    display: grid;
    gap: var(--ui-space-lg);
}

@media (min-width: 960px) {
    .ui-grid-2col {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.ui-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--ui-space-2xs);
    padding: 0.25rem 0.6rem;
    border-radius: var(--ui-radius-pill);
    font-size: var(--ui-font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    background: rgba(154, 157, 160, 0.16);
    color: var(--ui-text-primary);
}

.ui-chip.is-admin {
    background: rgba(255, 90, 95, 0.18);
    border: 1px solid rgba(255, 90, 95, 0.35);
}

.ui-chip.is-mod {
    background: rgba(36, 200, 165, 0.18);
    border: 1px solid rgba(36, 200, 165, 0.35);
}

.ui-chip.is-tier {
    background: rgba(79, 142, 255, 0.18);
    border: 1px solid rgba(79, 142, 255, 0.35);
}

.ui-chip.is-follower {
    background: rgba(156, 110, 243, 0.18);
    border: 1px solid rgba(156, 110, 243, 0.35);
}

.ui-stat-block {
    display: flex;
    flex-direction: column;
    gap: var(--ui-space-2xs);
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--ui-radius-card);
}

.ui-stat-label {
    font-size: var(--ui-font-size-sm);
    color: var(--ui-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.ui-stat-value {
    font-size: 1.35rem;
    line-height: var(--ui-line-height-tight);
    font-weight: 600;
    color: var(--ui-text-primary);
}

.ui-kv-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--ui-space-sm);
}

.ui-kv-item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--ui-space-sm);
}

.ui-kv-key {
    font-size: var(--ui-font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ui-text-muted);
    font-weight: 600;
}

.ui-kv-value {
    font-weight: 600;
    color: var(--ui-text-primary);
    text-decoration: none;
}

.ui-btn {
    appearance: none;
    border-radius: 10px;
    border: 1px solid rgba(154, 157, 160, 0.18);
    padding: 0.5rem 1rem;
    font-size: var(--ui-font-size-base);
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--ui-space-2xs);
    color: var(--ui-text-primary);
    background: #2b2b2d;
    box-shadow: var(--ui-shadow-elevated);
    text-decoration: none;
}

.ui-btn:disabled,
.ui-btn[aria-disabled="true"] {
    opacity: 0.65;
    cursor: not-allowed;
    box-shadow: none;
}

.ui-btn-primary {
    background:
        radial-gradient(circle at 20% 20%, rgba(37, 95, 181, 0.4) 0%, rgba(37, 95, 181, 0) 70%),
        #255fb5;
    border-color: rgba(37, 95, 181, 0.6);
    box-shadow: var(--ui-shadow-button-primary);
}

.ui-btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(154, 157, 160, 0.28);
}

.ui-btn--compact {
    min-height: 36px;
    padding: 0.35rem 0.9rem;
    font-size: var(--ui-font-size-sm);
}

.ui-btn:focus-visible {
    outline: 2px solid rgba(79, 142, 255, 0.8);
    outline-offset: 2px;
}

.ui-kv-value:hover,
.ui-kv-value:focus-visible {
    color: #4f8eff;
}

/* Legacy-Lobby-Kompatibilität: Spiegelung der Variablennamen */
:root {
    --lobby-bg-page: var(--ui-bg-page);
    --lobby-bg-surface: var(--ui-bg-surface);
    --lobby-bg-surface-raised: var(--ui-bg-surface-raised);
    --lobby-accent-primary: var(--ui-accent-primary);
    --lobby-accent-secondary: var(--ui-accent-secondary);
    --lobby-text-primary: var(--ui-text-primary);
    --lobby-text-dimmed: var(--ui-text-muted);
    --lobby-border-color: var(--ui-border-color);
    --lobby-radius-card: var(--ui-radius-card);
    --lobby-radius-pill: var(--ui-radius-pill);
    --lobby-space-2xs: var(--ui-space-2xs);
    --lobby-space-xs: var(--ui-space-xs);
    --lobby-space-sm: var(--ui-space-sm);
    --lobby-space-md: var(--ui-space-md);
    --lobby-space-lg: var(--ui-space-lg);
    --lobby-font-size-base: var(--ui-font-size-base);
    --lobby-font-size-sm: var(--ui-font-size-sm);
    --lobby-font-size-h2: var(--ui-font-size-h2);
    --lobby-line-height-base: var(--ui-line-height-base);
    --lobby-line-height-tight: var(--ui-line-height-tight);
    --lobby-shadow-strong: var(--ui-shadow-strong);
    --lobby-shadow-soft: var(--ui-shadow-soft);
}

body {
    background-color: var(--ui-bg-page);
    color: var(--ui-text-primary);
    font-size: var(--ui-font-size-base);
    line-height: var(--ui-line-height-base);
}

main.ui-shell,
main.lobby-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--ui-space-lg) var(--ui-space-md) calc(6rem + var(--ui-space-lg));
    display: grid;
    gap: var(--ui-space-lg);
}

.ui-section,
.section {
    background-color: var(--ui-bg-surface);
    border: 1px solid var(--ui-border-color);
    border-radius: var(--ui-radius-card);
    padding: var(--ui-space-md);
    display: flex;
    flex-direction: column;
    gap: var(--ui-space-md);
    box-shadow: var(--ui-shadow-strong);
    position: relative;
}

.ui-section--muted,
.section--rules {
    box-shadow: var(--ui-shadow-soft);
    max-height: 100%;
}

.ui-section-header,
.section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    row-gap: var(--ui-space-xs);
    column-gap: var(--ui-space-sm);
}

.ui-section-headline,
.section-headline {
    display: flex;
    align-items: center;
    column-gap: var(--ui-space-xs);
    font-size: var(--ui-font-size-h2);
    line-height: var(--ui-line-height-tight);
    font-weight: 600;
    color: var(--ui-text-primary);
}

.ui-section-headline-icon,
.section-headline-icon {
    width: 0.6rem;
    height: 0.6rem;
    border-radius: var(--ui-radius-pill);
    background-color: var(--ui-accent-primary);
    box-shadow: 0 0 12px rgba(37, 95, 181, 0.8);
}

.ui-section-meta,
.section-meta {
    font-size: var(--ui-font-size-sm);
    line-height: var(--ui-line-height-tight);
    color: var(--ui-text-muted);
    font-weight: 500;
}

.ui-button,
.lobby-btn {
    appearance: none;
    border: 1px solid rgba(154, 157, 160, 0.18);
    border-radius: 10px;
    min-height: 44px;
    padding: 0 0.9rem;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    color: #fff;
    background: #2b2b2d;
    box-shadow: var(--ui-shadow-elevated);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    text-decoration: none;
}

.ui-button:disabled,
.ui-button[aria-disabled="true"],
.ui-button.is-disabled,
.lobby-btn:disabled,
.lobby-btn[aria-disabled="true"],
.lobby-btn.is-disabled {
    cursor: not-allowed;
    background: #3a3a3d;
    border-color: rgba(154, 157, 160, 0.2);
    box-shadow: var(--ui-shadow-elevated);
    filter: none;
    opacity: 0.65;
}

.ui-button:disabled:hover,
.ui-button:disabled:focus-visible,
.ui-button[aria-disabled="true"]:hover,
.ui-button[aria-disabled="true"]:focus-visible,
.ui-button.is-disabled:hover,
.ui-button.is-disabled:focus-visible,
.lobby-btn:disabled:hover,
.lobby-btn:disabled:focus-visible,
.lobby-btn[aria-disabled="true"]:hover,
.lobby-btn[aria-disabled="true"]:focus-visible,
.lobby-btn.is-disabled:hover,
.lobby-btn.is-disabled:focus-visible {
    filter: none;
    box-shadow: var(--ui-shadow-elevated);
}

.ui-button--primary,
.lobby-btn--primary {
    background:
        radial-gradient(circle at 20% 20%, rgba(37, 95, 181, 0.4) 0%, rgba(37, 95, 181, 0) 70%),
        #255fb5;
    border-color: rgba(37, 95, 181, 0.6);
    box-shadow: var(--ui-shadow-button-primary);
}

.ui-button--secondary,
.lobby-btn--secondary {
    background: #2b2b2d;
    border-color: rgba(154, 157, 160, 0.18);
    box-shadow: var(--ui-shadow-elevated);
    color: #fff;
}

.ui-button--idle,
.lobby-btn--idle {
    background: #3a3a3d;
    border-color: rgba(154, 157, 160, 0.2);
    box-shadow: var(--ui-shadow-elevated);
    color: #fff;
}

.ui-button:focus-visible,
.ui-button:hover,
.lobby-btn:focus-visible,
.lobby-btn:hover {
    outline: none;
    filter: brightness(1.08);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.9), 0 0 22px rgba(37, 95, 181, 0.5);
}

.ui-button--small,
.lobby-btn--small {
    min-height: 32px;
    padding: 0 0.75rem;
    font-size: 13px;
    line-height: 1.2;
    box-shadow: var(--ui-shadow-button-primary);
}

.ui-button--tiny,
.lobby-btn--tiny {
    min-height: 32px;
    padding: 0 0.75rem;
    font-size: 13px;
    line-height: 1.2;
    box-shadow: var(--ui-shadow-elevated);
}

.ui-button--primary:disabled,
.ui-button--primary[aria-disabled="true"],
.ui-button--primary.is-disabled,
.ui-button--secondary:disabled,
.ui-button--secondary[aria-disabled="true"],
.ui-button--secondary.is-disabled,
.ui-button--idle:disabled,
.ui-button--idle[aria-disabled="true"],
.ui-button--idle.is-disabled,
.lobby-btn--primary:disabled,
.lobby-btn--primary[aria-disabled="true"],
.lobby-btn--primary.is-disabled,
.lobby-btn--secondary:disabled,
.lobby-btn--secondary[aria-disabled="true"],
.lobby-btn--secondary.is-disabled,
.lobby-btn--idle:disabled,
.lobby-btn--idle[aria-disabled="true"],
.lobby-btn--idle.is-disabled {
    background: #3a3a3d;
    border-color: rgba(154, 157, 160, 0.2);
    box-shadow: var(--ui-shadow-elevated);
    color: #fff;
}

.ui-input,
.ui-select {
    appearance: none;
    background: var(--ui-bg-surface);
    border: 1px solid var(--ui-border-color);
    border-radius: var(--ui-radius-pill);
    color: var(--ui-text-primary);
    box-shadow: var(--ui-shadow-soft);
    min-height: 38px;
    padding: 0.45rem 1rem;
    font-size: var(--ui-font-size-base);
    line-height: var(--ui-line-height-base);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
}

.ui-input::placeholder {
    color: var(--ui-text-muted);
}

.ui-input:focus-visible,
.ui-select:focus-visible {
    outline: 2px solid rgba(79, 142, 255, 0.6);
    outline-offset: 2px;
}

.ui-filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--ui-space-sm);
}

.ui-filter-control {
    display: flex;
    flex-direction: column;
    gap: var(--ui-space-2xs);
    min-width: 200px;
    color: var(--ui-text-muted);
    font-size: var(--ui-font-size-sm);
}

.ui-filter-label {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.ui-filter-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ui-space-sm);
    justify-content: flex-end;
}

.ui-filter-pill {
    border-radius: var(--ui-radius-pill);
    padding: 0 1.25rem;
    min-height: 38px;
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.ui-filter-pill.is-active {
    background: rgba(79, 142, 255, 0.24);
    border-color: rgba(79, 142, 255, 0.4);
    box-shadow: 0 8px 18px rgba(79, 142, 255, 0.2);
}

.ui-text-muted {
    margin: 0.5rem 0 0 0;
    font-size: var(--ui-font-size-sm);
    line-height: var(--ui-line-height-base);
    color: #b3b5b8;
}

.status-helper-text {
    font-style: italic;
}

.ui-notice {
    border-radius: var(--ui-radius-card);
    padding: var(--ui-space-sm) var(--ui-space-md);
    font-size: var(--ui-font-size-sm);
    line-height: var(--ui-line-height-base);
    border: 1px solid transparent;
}

.ui-notice--success {
    background: rgba(36, 200, 165, 0.16);
    border-color: rgba(36, 200, 165, 0.45);
    color: #d6fff3;
}

.ui-notice--error {
    background: rgba(255, 90, 95, 0.18);
    border-color: rgba(255, 90, 95, 0.45);
    color: #ffe2e3;
}

.ui-notice--info {
    background: rgba(43, 55, 78, 0.1);
    border-color: rgba(154, 157, 160, 0.18);
    color: var(--ui-text-muted);
}

.ui-notice[hidden] {
    display: none;
}

.ui-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--ui-space-sm);
}

.ui-list-item {
    display: flex;
    align-items: center;
    gap: var(--ui-space-sm);
    background: var(--ui-bg-surface-raised);
    border: 1px solid var(--ui-border-color);
    border-radius: var(--ui-radius-card);
    padding: var(--ui-space-sm) var(--ui-space-md);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.ui-list-item:hover,
.ui-list-item:focus-visible {
    transform: translateX(4px);
    border-color: var(--ui-accent-primary);
}

.ui-card {
    background: var(--ui-bg-surface-raised);
    border: 1px solid var(--ui-border-color);
    border-radius: var(--ui-radius-card);
    padding: var(--ui-space-sm) var(--ui-space-md);
    display: flex;
    flex-direction: column;
    gap: var(--ui-space-2xs);
}

.ui-card--row {
    flex-direction: column;
}

@media (min-width: 600px) {
    .ui-card--row {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.ui-card--empty {
    font-size: var(--ui-font-size-sm);
    color: var(--ui-text-muted);
    text-align: center;
    background: rgba(255, 255, 255, 0.04);
}

@media (max-width: 480px) {
    .ui-button,
    .lobby-btn {
        flex: 1 1 100%;
    }
}