/*
 * Tabellone, controller e risultato delle partite.
 * Token di design in :root (modificabili): colori, spaziatura 4/8/12/16/24/32, tipografia di sistema.
 * Breakpoint: mobile < 640px, tablet 640-1023px, desktop/TV >= 1024px. Nessuno scroll orizzontale.
 */

:root {
    --c-base: #102A43;      /* blu notte */
    --c-surface: #F6F8FA;
    --c-text: #172B4D;
    --c-accent: #00A6A6;    /* turchese */
    --c-on-accent: #102A43; /* testo sul turchese: contrasto AA */
    --c-card: #FFFFFF;
    --c-line: #D5DCE4;
    --c-muted: #52606D;
    --c-ok: #0B7A4B;
    --c-warn: #8A5A00;
    --c-err: #B42318;
    --c-board-text: #FFFFFF;
    --c-board-muted: #A9BCD0;

    --s-1: 4px;
    --s-2: 8px;
    --s-3: 12px;
    --s-4: 16px;
    --s-5: 24px;
    --s-6: 32px;

    --radius: 12px;
    --touch: 44px;
    --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* tabellone ad alto contrasto (si attiva dal pulsante) */
.hc {
    --c-base: #000000;
    --c-accent: #FFD60A;
    --c-on-accent: #000000;
    --c-board-text: #FFFFFF;
    --c-board-muted: #E6E6E6;
    --c-line: #FFFFFF;
}

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

html { -webkit-text-size-adjust: 100%; }

body.m-body {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    font-family: var(--font);
    color: var(--c-text);
    background: var(--c-surface);
    line-height: 1.4;
}

.num { font-variant-numeric: tabular-nums; }

.sr-only {
    position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden;
    clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 2px; }
.m-board :focus-visible, .m-dark :focus-visible { outline-color: #FFFFFF; }

/* ---------- pagina ---------- */

.m-page {
    max-width: 640px;
    margin: 0 auto;
    padding: var(--s-4);
    display: flex;
    flex-direction: column;
    gap: var(--s-4);
    min-height: 100vh;
    min-height: 100dvh;
}

.m-topbar { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); }
.m-brand img { display: block; height: 28px; width: auto; }
.m-title { margin: 0; font-size: 1.125rem; }
.m-muted { color: var(--c-muted); }

.m-card {
    background: var(--c-card);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: var(--s-4);
}

/* ---------- badge di connessione e di stato ---------- */

.m-badge {
    display: inline-flex; align-items: center; gap: var(--s-2);
    padding: var(--s-1) var(--s-3);
    border-radius: 999px;
    font-size: .875rem; font-weight: 600;
    background: var(--c-card); color: var(--c-text);
    border: 2px solid currentColor;
    white-space: nowrap;
}
.m-badge::before { content: ""; width: .6em; height: .6em; border-radius: 50%; background: currentColor; }
.m-badge[data-state="connected"] { color: var(--c-ok); }
.m-badge[data-state="reconnecting"],
.m-badge[data-state="stale"] { color: var(--c-warn); }
.m-badge[data-state="offline"] { color: var(--c-err); }
.m-badge[data-state="reconnecting"]::before { animation: m-pulse 1s infinite; }
/* la forma cambia oltre al colore: pallino pieno, tondo vuoto, quadrato */
.m-badge[data-state="offline"]::before { border-radius: 2px; }
.m-badge[data-state="stale"]::before { background: transparent; border: 2px solid currentColor; }
@keyframes m-pulse { 50% { opacity: .25; } }

.m-dark .m-badge { background: transparent; color: var(--c-board-text); }
.m-dark .m-badge[data-state="connected"] { color: #5BE3A0; }
.m-dark .m-badge[data-state="reconnecting"], .m-dark .m-badge[data-state="stale"] { color: #FFC857; }
.m-dark .m-badge[data-state="offline"] { color: #FF8A80; }

.m-status {
    display: inline-block; padding: var(--s-1) var(--s-3); border-radius: 6px;
    font-size: .875rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
    background: var(--c-surface); color: var(--c-text); border: 1px solid var(--c-line);
}
.m-status[data-status="live"] { background: var(--c-accent); color: var(--c-on-accent); border-color: transparent; }
.m-status[data-status="finished"] { background: var(--c-base); color: #FFFFFF; border-color: transparent; }

/* ---------- scoreboard ---------- */

.sb {
    --sb-name: clamp(1rem, 4.2vw, 1.5rem);
    --sb-num: clamp(1.5rem, 8vw, 2.5rem);
    --sb-points: clamp(2rem, 11vw, 3.5rem);
    background: var(--c-base);
    color: var(--c-board-text);
    border-radius: var(--radius);
    padding: var(--s-4);
    display: flex; flex-direction: column; gap: var(--s-3);
}

.sb-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-2); font-size: .9rem; color: var(--c-board-muted); }
.sb-court { font-weight: 600; }
.sb-state { font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--c-board-text); }

.sb-table { display: flex; flex-direction: column; gap: var(--s-2); }

.sb-colhead { display: none; font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--c-board-muted); }
.sb-colhead span { text-align: center; }

/* di base il nome sta su una riga sua, sopra i numeri: mai nascosto dai punteggi, qualunque sia la larghezza.
   La riga unica (nome | set | storico | game | punti) si usa solo sugli schermi larghi */
.sb-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    grid-template-areas: "team team team team" "won sets games points";
    align-items: end;
    row-gap: var(--s-2);
    column-gap: var(--s-4);
}
.sb-team { grid-area: team; }
.sb-sets-won { grid-area: won; }
.sb-sets { grid-area: sets; }
.sb-games { grid-area: games; }
.sb-points { grid-area: points; }

/* etichetta sopra ogni numero (nella riga unica ci sono le intestazioni di colonna) */
.sb-sets-won::before, .sb-games::before, .sb-points::before, .sb-set::before {
    content: attr(data-label); display: block; font-size: .7rem; font-weight: 600; letter-spacing: .06em;
    text-transform: uppercase; color: var(--c-board-muted); line-height: 1.6;
}
.sb-row {
    padding: var(--s-2) var(--s-3);
    border-radius: 10px;
    background: rgba(255, 255, 255, .07);
    border: 2px solid transparent;
}
.sb-row.is-winner { border-color: var(--c-accent); background: rgba(0, 166, 166, .18); }

.sb-team { display: flex; align-items: center; gap: var(--s-2); min-width: 0; }
.sb-badge {
    flex: none; display: inline-flex; align-items: center; justify-content: center;
    min-width: 1.9em; height: 1.9em; border-radius: 6px; font-weight: 800; font-size: .95rem;
    background: var(--c-board-text); color: var(--c-base);
}
.sb-row[data-team="B"] .sb-badge { background: transparent; color: var(--c-board-text); border: 2px solid var(--c-board-text); }
.sb-name { font-size: var(--sb-name); font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.m-board .sb-name { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; line-height: 1.15; }
.sb-serve { flex: none; width: .7em; height: .7em; border-radius: 50%; background: var(--c-accent); }
.sb-serve[hidden] { display: none; }

.sb-sets { display: flex; gap: var(--s-2); }
.sb-set, .sb-sets-won, .sb-games {
    min-width: 1.6em; text-align: center; font-size: var(--sb-num); font-weight: 700; line-height: 1.1;
    font-variant-numeric: tabular-nums;
}
.sb-set { color: var(--c-board-muted); }
.sb-set sup { font-size: .45em; margin-left: 1px; }
.sb-set.is-super { font-size: calc(var(--sb-num) * .8); }
.sb-sets-won { color: var(--c-board-muted); }
.sb-games { color: var(--c-board-text); }
.sb-points {
    min-width: 2.2em; text-align: center; font-size: var(--sb-points); font-weight: 800; line-height: 1;
    font-variant-numeric: tabular-nums; color: var(--c-accent);
    padding: var(--s-1) var(--s-2); border-radius: 8px; border: 2px solid transparent;
}
/* vantaggio: bordo e freccia, non solo colore */
.sb-points.is-adv { border-color: var(--c-accent); }
.sb-points.is-adv::after { content: "\25B2"; font-size: .35em; vertical-align: middle; margin-left: 4px; }

.sb-note { min-height: 1.6em; text-align: center; font-size: 1.1rem; font-weight: 700; color: var(--c-board-text); }
.sb-note .tag { display: inline-block; padding: 2px var(--s-3); border-radius: 6px; background: var(--c-accent); color: var(--c-on-accent); }

.sb[data-compact="1"] { --sb-name: 1rem; --sb-num: 1.5rem; --sb-points: 2rem; padding: var(--s-3); gap: var(--s-2); }

/* ---------- display (tablet/TV) ---------- */

/* nessuno scroll orizzontale; in verticale si scorre solo se lo schermo e' troppo basso per tutto il contenuto */
body.m-display { background: var(--c-base); color: var(--c-board-text); overflow-x: hidden; }
.m-dark { background: var(--c-base); color: var(--c-board-text); }

.m-board {
    position: relative;
    min-height: 100vh; min-height: 100dvh;
    padding: var(--s-4);
    display: flex; flex-direction: column; gap: var(--s-4);
}
.m-board .sb { flex: 1; background: transparent; padding: 0; justify-content: center; gap: var(--s-4); }
.m-board .sb-table { flex: 1; justify-content: center; gap: var(--s-4); }
.m-board .sb-row { padding: var(--s-4); }

.m-board-bar { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); flex-wrap: wrap; }
.m-board-bar .m-brand img { height: 32px; filter: brightness(0) invert(1); }
.m-tools { display: flex; gap: var(--s-2); }

.m-tool {
    min-width: var(--touch); min-height: var(--touch); padding: 0 var(--s-4);
    border-radius: 8px; border: 2px solid var(--c-board-text); background: transparent; color: var(--c-board-text);
    font: inherit; font-weight: 600; cursor: pointer;
}
.m-tool[aria-pressed="true"] { background: var(--c-board-text); color: var(--c-base); }

.m-banner {
    text-align: center; padding: var(--s-4); border-radius: var(--radius);
    background: var(--c-accent); color: var(--c-on-accent); font-weight: 800; font-size: clamp(1.25rem, 4vw, 2.5rem);
}
.m-banner a { color: inherit; }
.m-wait { text-align: center; font-size: clamp(1.25rem, 4vw, 2.5rem); font-weight: 700; color: var(--c-board-muted); }

/* tablet */
@media (min-width: 640px) {
    .sb { --sb-name: clamp(1.25rem, 3.2vw, 2rem); --sb-num: clamp(2rem, min(6vw, 8vh), 3.5rem); --sb-points: clamp(3rem, min(9vw, 12vh), 5rem); }
}

/* schermi larghi (TV): riga unica con le intestazioni di colonna (non nel layout "stack") */
@media (min-width: 1280px) {
    .sb:not([data-layout="stack"]) .sb-colhead,
    .sb:not([data-layout="stack"]) .sb-row { grid-template-columns: minmax(0, 1fr) auto auto auto auto; }
    .sb:not([data-layout="stack"]) .sb-colhead { display: grid; column-gap: var(--s-5); }
    .sb:not([data-layout="stack"]) .sb-row { grid-template-areas: "team won sets games points"; align-items: center; }
    .sb:not([data-layout="stack"]) .sb-sets-won::before,
    .sb:not([data-layout="stack"]) .sb-games::before,
    .sb:not([data-layout="stack"]) .sb-points::before,
    .sb:not([data-layout="stack"]) .sb-set::before { display: none; }
}

/* desktop / TV: i numeri crescono con lo schermo */
@media (min-width: 1024px) {
    .m-board { padding: var(--s-6); }
    .m-board .sb { --sb-name: clamp(2rem, min(4.5vw, 7vh), 5rem); --sb-num: clamp(3rem, min(7.5vw, 11vh), 8rem); --sb-points: clamp(4rem, min(12vw, 17vh), 13rem); }
    .m-board .sb-row { padding: var(--s-5) var(--s-6); }
    .m-board .sb-note { font-size: clamp(1.5rem, 3vw, 3.5rem); }
    .m-board .sb-head { font-size: clamp(1rem, 1.8vw, 2rem); }
    .m-board .sb-colhead { font-size: clamp(.8rem, 1.2vw, 1.5rem); }
}

/* tablet in verticale */
@media (orientation: portrait) and (min-width: 640px) {
    .m-board .sb-table { gap: var(--s-6); }
}

/* ---------- controller mobile ---------- */

.m-controls { display: flex; flex-direction: column; gap: var(--s-3); }

.m-btn {
    display: flex; align-items: center; justify-content: center; gap: var(--s-2);
    width: 100%; min-height: var(--touch); padding: var(--s-3) var(--s-4);
    border-radius: var(--radius); border: 2px solid var(--c-base);
    background: var(--c-card); color: var(--c-base);
    font: inherit; font-weight: 700; font-size: 1.125rem; cursor: pointer; text-align: center;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}
.m-btn:disabled, .m-btn[aria-disabled="true"] { opacity: .45; cursor: not-allowed; }

.m-point { min-height: 104px; font-size: clamp(1.25rem, 6vw, 1.75rem); flex-direction: column; gap: var(--s-1); }
.m-point .m-point-team { font-size: .85em; font-weight: 600; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.m-point[data-team="A"] { background: var(--c-accent); border-color: var(--c-accent); color: var(--c-on-accent); }
.m-point[data-team="B"] { background: var(--c-base); border-color: var(--c-base); color: #FFFFFF; }
.m-point[data-team="A"] .m-point-mark, .m-point[data-team="B"] .m-point-mark { font-weight: 800; }

.m-undo { min-height: 56px; font-size: 1rem; }
.m-start { background: var(--c-accent); border-color: var(--c-accent); color: var(--c-on-accent); min-height: 72px; font-size: 1.25rem; }

.m-final { text-align: center; }
.m-final strong { display: block; font-size: 1.25rem; margin-bottom: var(--s-2); }
.m-link { color: var(--c-base); font-weight: 700; }

.m-toast {
    position: fixed; left: var(--s-4); right: var(--s-4); bottom: var(--s-4); max-width: 608px; margin: 0 auto;
    padding: var(--s-3) var(--s-4); border-radius: var(--radius); font-weight: 600;
    background: var(--c-base); color: #FFFFFF; border: 2px solid #FFFFFF; box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
    z-index: 20;
}
.m-toast[hidden] { display: none; }
.m-toast[data-kind="error"] { background: var(--c-err); }
.m-toast[data-kind="success"] { background: var(--c-ok); }

/* ---------- risultato ---------- */

.m-result h1 { margin: 0 0 var(--s-2); font-size: 1.5rem; }
.m-result .winner { font-size: 1.25rem; font-weight: 800; color: var(--c-base); }
.m-result table { width: 100%; border-collapse: collapse; margin-top: var(--s-4); font-variant-numeric: tabular-nums; }
.m-result th, .m-result td { padding: var(--s-2) var(--s-3); text-align: center; border-bottom: 1px solid var(--c-line); }
.m-result th:first-child, .m-result td:first-child { text-align: left; }
.m-result tr.is-winner td:first-child { font-weight: 800; }
.m-result .tb { font-size: .7em; vertical-align: super; }

.m-actions { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-4); }
.m-actions .m-btn { width: auto; flex: 1 1 200px; }

/* ---------- pagine dell'organizzatore (dentro il layout Tabler) ---------- */

.sp-link { word-break: break-all; }
.sp-qr canvas, .sp-qr img { max-width: 100%; height: auto; }
.sp-preview .sb { max-width: 760px; }

@media (prefers-reduced-motion: reduce) {
    .m-badge::before { animation: none !important; }
}

/* l'attributo hidden deve vincere sui display dei componenti */
[hidden] { display: none !important; }

.m-lavagna { flex: 1; display: flex; flex-direction: column; gap: var(--s-4); }