/* One dark direction: quiet charcoal surfaces with a restrained sky-blue signal. */
:root {
  color-scheme: dark;
  --paper: #0b0d10;
  --ink: #eef0f3;
  --muted: #a3a6aa;
  --line: #303638;
  --green: #78b5f5;
  --lime: #78b5f5;
  --white: #1b2022;
  --surface: #15191b;
  --surface-raised: #202628;
  --surface-soft: #272e30;
  --radius: 18px;
  background: var(--paper);
  color: var(--ink);
}

html, body, .app-shell, .workspace { background: var(--paper); color: var(--ink); }
body { background-image: radial-gradient(ellipse 70% 45% at 76% -18%, #23272d 0%, transparent 70%); }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, summary:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; }

.app-shell { max-width: 1320px; grid-template-columns: 240px minmax(0, 1fr); }
.sidebar { padding: 35px 21px 28px; background: #101416; border-right: 1px solid #252b2d; }
.brand { color: #f2f4f6; }
.brand-mark { background: var(--lime); color: #111315; box-shadow: 0 0 22px #78b5f51a; }
.brand-dot { color: var(--lime); }
.sidebar>.eyebrow { color: #80848a; margin-bottom: 46px; }
.desktop-nav { gap: 6px; }
.sidebar .nav-button { color: #adb1b6; border: 1px solid transparent; }
.sidebar .nav-button:hover { background: #1a2021; color: #eef0f3; }
.sidebar .nav-button.active { background: #25282d; color: #c7dbf5; border-color: #38414d; }
.sidebar .nav-button.active svg { color: var(--lime); }
.sidebar-footer { border-top: 1px solid var(--line); padding-top: 22px; }
.sidebar-footer strong { color: #e7e9eb; }
.avatar { background: #31353b; color: #e9ecef; border-color: #43474d; }

.workspace { padding: 33px 56px 80px; }
.topbar { min-height: 38px; margin-bottom: 49px; color: var(--muted); }
.topbar-context { color: #878b91; }
.prototype-label { color: #a4aab1; border-color: #373b41; background: #1b1e22; }
.theme-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 8px; flex-shrink: 0; min-height: 40px; padding: 8px 12px; margin-right: 12px; border: 1px solid #464c53; border-radius: 10px; background: #24282d; color: #dce4ee; font-size: 11px; font-weight: 700; white-space: nowrap; }
.theme-toggle:hover { background: #30353c; border-color: #627894; }
.theme-icon { font-size: 17px; line-height: 1; color: var(--lime); }
.page-heading { margin-bottom: 32px; align-items: flex-end; }
.heading-copy { gap: 11px; }
.heading-copy>.eyebrow, .eyebrow { color: #8996a7; }
.page-heading h1 { color: #f3f5f7; font-size: clamp(34px, 4vw, 49px); letter-spacing: -2.1px; }
.heading-copy p:not(.eyebrow) { color: #afb2b7; font-size: 14px; line-height: 1.65; max-width: 640px; }

.hero-card { margin-bottom: 43px; padding: 32px 36px; background: linear-gradient(125deg, #1b2735, #111b28 67%, #192735); border: 1px solid #3a4049; box-shadow: 0 14px 32px #00000018; }
.hero-card:after { border-color: #78b5f50d; box-shadow: 0 0 0 35px #78b5f506, 0 0 0 70px #78b5f503; }
.hero-card .eyebrow { color: #9badc5; }
.hero-card .pill { color: #a6c3e9; background: #78b5f514; border: 1px solid #78b5f52e; }
.hero-title { margin-top: 18px; color: #f2f4f7; }
.hero-title>span, .stat span { color: #aeb4bd; }
.hero-stats { margin-top: 31px; }
.stat { border-right-color: #ffffff24; }
.stat strong { color: #eaeff6; }
.stat strong>span { color: #a2adbc; }
.hero-link { color: var(--lime); border-color: #78b5f535; background: #78b5f50b; }
.hero-link:hover { background: #78b5f520; }
.hero-decoration { color: #78b5f50c; }

.section-heading { margin: 41px 0 18px; padding-bottom: 12px; border-bottom: 1px solid #35383d; }
.section-heading h2 { color: #edeff2; font-size: 21px; }
.section-heading p, .section-heading>span { color: #a0a4aa; }
.segmented { display: inline-flex; max-width: 100%; gap: 4px; margin-bottom: 22px; padding: 5px; overflow-x: auto; border: 1px solid #34373c; border-radius: 12px; background: #151a1b; }
.filter-button, .filter-button:first-child { min-height: 42px; padding: 9px 15px; border: 0; border-radius: 8px; color: #aaaeb3; }
.filter-button:hover { color: #eef1f4; background: #26292e; }
.filter-button.active { color: #101316; background: var(--lime); }
.filter-button span { color: #aeb2b8; background: #32363b; }
.filter-button.active span { color: #1a2430; background: #6993ca; }

.match-list { gap: 18px; }
.match-card, .pool-card, .info-card, .admin-form, .leaderboard,
.member-list, .empty-state { background: var(--surface); border: 1px solid var(--line); color: var(--ink); box-shadow: 0 12px 24px #0000000c; }
.match-card { padding: 25px 28px 21px; }
.match-card:hover, .pool-card:hover { border-color: #4c5663; box-shadow: 0 12px 32px #00000022; }
.match-closed { background: #14191a; }
.match-meta, .match-time, .team-side, .score-caption, .status,
.player-meta, .pool-card p, .info-card p, .pool-card-footer, .small { color: #aeb2b7; }
.match-meta, .match-time, .status, .player-meta, .pool-card-footer, .detail-row { font-size: 12px; line-height: 1.55; }
.pool-card p, .info-card p { font-size: 13px; }
.sport-tag { color: #9eb7d7; }
.match-time.live { color: #ebbe83; }
.teams-grid { margin: 28px 0 26px; }
.team-badge { background: #262a30; border-color: #3a3f46; color: #e5e8ec; box-shadow: none; }
.team-name { color: #eef0f3; }
.score-input { color: #f4f6f8; background: #0f1415; border-color: #4a4f55; }
.score-input::placeholder { color: #7f848b; }
.score-input:focus { color: #f4f6f8; background: #171a1e; border-color: var(--lime); box-shadow: 0 0 0 3px #78b5f521; }
.score-separator, .locked-score span { color: #91969c; }
.match-footer { border-top-color: #32353a; padding-top: 18px; min-height: 62px; }
.save-button, .primary-button { background: var(--lime); color: #12171d; }
.save-button:hover, .primary-button:hover { background: #9bc2f6; color: #101316; }
.save-button:disabled { color: #bec8d6; background: #2a3039; border-color: #3b4550; opacity: 1; }
.save-button.is-saved:disabled { color: #bec8d6; background: #2a3039; }
.secondary-button { color: #e9edf2; background: #25282d; border-color: #454a50; }
.secondary-button:hover { background: #30343a; }
.secondary-button.danger-button { color: #f1a39b; border-color: #b75a50; background: transparent; }
.secondary-button.danger-button:hover { color: #fff; background: #a53d32; }
.text-button { color: #b0c9ea; }
.text-button:hover { color: #cee3ff; }
.status.saved { color: #9ab4d6; }
.status.unsaved { color: #e8c98b; }
.status.error { color: #f2aaa6; }
.points-badge, .pill, .you-label { color: #c5d5ea; background: #2d333b; }
.privacy-note { color: #92979d; margin-top: 25px; }

.leaderboard { overflow: hidden; }
.rank-row { border-bottom-color: #303338; }
.rank-row.you { background: #232930; }
.rank-number, .rank-points>span { color: #aeb2b8; }
.podium-player { color: #b3b8bf; background: linear-gradient(0deg, #252a30, transparent); }
.podium-player.place-1 { background: linear-gradient(0deg, #2f3947, transparent); }
.podium-player strong { color: #edf0f3; }
.podium-avatar, .podium-player:first-child .podium-avatar { color: #d1d9e3; background: #353a41; border-color: #1a1d21; }
.podium-player.place-1 .podium-avatar { color: #1b2129; background: var(--lime); border-color: #262c33; box-shadow: 0 0 0 1px #566b86; }
.podium-medal, .place-1 .podium-medal { color: #93b2db; }
.ranking-note { background: #1a1d21; border-color: #3a4048; }

.pool-grid, .info-grid { gap: 18px; }
.pool-card, .info-card, .admin-form { padding: 26px; }
.pool-icon, .pool-card:nth-child(2) .pool-icon, .community-icon { color: #bad0ec; background: #2a3039; }
.pool-card-footer, .member-row, .detail-row { border-color: #34373c; }
.pool-card-footer svg { color: #78b5f5; }
.invitation-card { margin-top: 27px; background: #1b1f24; border-style: dashed; border-color: #4d5c70; }
.banner { color: #c2d3e9; background: #262c34; border-color: #465262; }
.result-card .banner p { color: #a4b2c4; }
.result-card .match-state-open { color: #a8ded0; background: #1b3834; border-color: #35685c; }
.result-card .match-state-closed { color: #e8c98b; background: #393022; border-color: #746044; }
.result-card .match-state-finished { color: #c6defb; background: #25384d; border-color: #4b6c91; }
.result-card .match-state-cancelled { color: #f1aca5; background: #3b2425; border-color: #805057; }
.member-role { color: #c4d5e9; background: #283342; }
.member-dot { background: var(--lime); }
.detail-row>span:first-child { color: #aeb2b8; }
.empty-state { border-style: dashed; color: #b4b8be; }
.empty-state>svg { color: var(--lime); }
.empty-state h3 { color: var(--ink); }

.field { color: #dfe2e6; gap: 9px; }
.field input, .field select, .field textarea { background: #0f1415; color: #eff1f4; border-color: #474c52; }
.field input::placeholder, .field textarea::placeholder { color: #878c93; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--lime); }
.field select option { color: #eff1f4; background: #151a1b; }
.modal-backdrop { background: #040507cb; }
.modal { color: var(--ink); background: #1a2021; border: 1px solid #3f4349; box-shadow: 0 30px 100px #0000008a; }
.modal p { color: #b7bbc1; }
.close-modal { color: #e0e5ec; background: #31353b; }
.community-score span { color: #9aa0a9; }
.toast { color: #edf1f6; background: #33383e; border: 1px solid #526073; box-shadow: 0 10px 32px #00000075; }
.prototype-tools { margin-top: 44px; border-top-color: #303338; color: #969ba1; }
.prototype-tools .action-row button { color: #d2dce8; background: #25292f; border-color: #424851; }
.prototype-tools .action-row button:hover { background: #353b42; }

/* Real app screens share the prototype palette and spacing. */
.theme-toggle-icon { font-size: 17px; line-height: 1; color: var(--lime); }
.auth-shell { display: grid; align-content: center; min-height: 100dvh; padding: 82px 20px 45px; }
.auth-card { width: min(100%, 470px); margin: 0 auto; padding: 35px; background: var(--surface); border-color: var(--line); }
.auth-card > h1 { margin-top: 13px; }
.auth-card > p:not(.eyebrow) { margin-top: 10px; color: var(--muted); }
.auth-card form { display: grid; gap: 18px; margin-top: 27px; }
.auth-card form .primary-button { width: 100%; margin-top: 5px; }
.auth-card .auth-check { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 13px; }
.auth-card .auth-secondary { text-align: center; }
.app-footer { margin-top: 48px; padding-top: 15px; border-top: 1px solid var(--line); }
.workspace > :is(.info-card, .leaderboard, .hero-card) + :is(.info-card, .leaderboard) { margin-top: 28px; }
.info-card:has(> .admin-form) { margin-top: 28px; }
.collapsible-card > summary { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 16px; cursor: pointer; list-style: none; }
.collapsible-card > summary::-webkit-details-marker { display: none; }
.collapsible-card > summary h2 { margin: 0; }
.collapsible-card > summary::after { content: "▾"; color: var(--muted); }
.collapsible-card[open] > summary { margin-bottom: 13px; }
.collapsible-card[open] > summary::after { content: "▴"; }
.collapsible-card > summary { position: relative; }
.collapsible-card .admin-form { margin-top: 14px; }
.info-card > .admin-form { padding: 0; box-shadow: none; border: 0; background: transparent; }
.invitation-card .action-row { margin-top: 18px; }
.other-tips { margin-top: 14px; padding-top: 8px; border-top: 1px solid var(--line); }
.other-tips summary { cursor: pointer; }
.other-tips .detail-list { margin-top: 9px; }

@media (max-width: 800px) {
  .app-shell { grid-template-columns: 200px minmax(0, 1fr); }
  .workspace { padding: 28px 28px 65px; }
  .sidebar { padding-inline: 16px; }
}
@media (max-width: 640px) {
  .workspace { padding: 23px 20px calc(112px + env(safe-area-inset-bottom)); }
  .topbar { margin-bottom: 38px; }
  .prototype-label { display: none; }
  .theme-toggle { min-width: 40px; padding: 8px; margin: 0 11px 0 auto; }
  .theme-label { display: none; }
  .page-heading { margin-bottom: 28px; }
  .page-heading h1 { font-size: 36px; }
  .hero-card { padding: 24px; margin-bottom: 37px; }
  .hero-title { margin-top: 12px; }
  .hero-stats { margin-top: 24px; }
  .section-heading { margin: 36px 0 17px; }
  .segmented { display: flex; margin-bottom: 19px; }
  .match-list { gap: 16px; }
  .match-card { padding: 19px 18px 16px; }
  .teams-grid { margin: 24px 0; }
  .match-footer { padding-top: 15px; }
  .pool-grid, .info-grid { gap: 16px; }
  .pool-card, .info-card, .admin-form { padding: 22px; }
  .bottom-nav { color: #aeb2b8; background: #121718f5; border-top-color: #353a40; box-shadow: 0 -8px 30px #00000040; }
  .bottom-nav .nav-button { color: #aeb2b8; }
  .bottom-nav .nav-button.active { color: #c3d6f0; background: #2c323a; }
  .prototype-tools { margin-top: 39px; }
  .theme-toggle-label { display: none; }
  .auth-card { padding: 25px 21px; }
  .auth-theme-toggle { top: 18px; right: 20px; }
}