/* KTM stylesheet — dōjō visual language. Components reference tokens only. */

/* ==========================================================================
   1. Design tokens — sumi/shiro/ai-iro/aka/gold
   ========================================================================== */
:root {
  --ktm-font: "Noto Sans", "Noto Sans JP", -apple-system, "Segoe UI", sans-serif;
  --ktm-font-jp: "Noto Sans JP", "Noto Sans", sans-serif;

  --ktm-fs-1: 13px;
  --ktm-fs-2: 15px;
  --ktm-fs-3: 18px;
  --ktm-fs-4: 22px;
  --ktm-fs-5: 32px;
  --ktm-fs-6: 56px;
  --ktm-fs-7: 120px;
  --ktm-fs-8: 200px;

  --ktm-lh-tight: 1.05;
  --ktm-lh-normal: 1.4;
  --ktm-tracking-wide: 0.06em;

  --ktm-sp-1: 4px;
  --ktm-sp-2: 8px;
  --ktm-sp-3: 12px;
  --ktm-sp-4: 16px;
  --ktm-sp-5: 24px;
  --ktm-sp-6: 32px;
  --ktm-sp-7: 48px;
  --ktm-sp-8: 64px;
  --ktm-sp-9: 96px;

  --ktm-radius-sm: 6px;
  --ktm-radius-md: 10px;
  --ktm-radius-lg: 18px;
  --ktm-radius-pill: 999px;

  --ktm-dur-fast: 120ms;
  --ktm-dur-med: 240ms;
  --ktm-dur-slow: 480ms;
  --ktm-dur-ippon: 900ms;
  --ktm-dur-reveal: 1200ms;
  --ktm-dur-instant: 1ms;
  --ktm-ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ktm-ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --ktm-touch-min: 44px;

  --ktm-shadow-1: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.28);

  --ktm-sumi-950: #0c0d10;
  --ktm-sumi-900: #16171c;
  --ktm-sumi-800: #1f2028;
  --ktm-sumi-700: #2a2b34;
  --ktm-sumi-600: #3a3c47;

  --ktm-shiro: #ece9e2;
  --ktm-shiro-dim: #9c9c9f;
  --ktm-shiro-faint: #6a6b70;

  --ktm-ai-700: #23306e;
  --ktm-ai-600: #2c3e91;
  --ktm-ai-500: #3d51ab;
  --ktm-ai-400: #6478c4;
  --ktm-ai-soft: rgba(44, 62, 145, 0.16);
  --ktm-ai-soft-strong: rgba(44, 62, 145, 0.32);

  --ktm-aka-700: #7a211d;
  --ktm-aka-600: #b8322c;
  --ktm-aka-500: #d13e36;
  --ktm-aka-soft: rgba(184, 50, 44, 0.16);
  --ktm-aka-soft-strong: rgba(184, 50, 44, 0.32);

  --ktm-gold-600: #b5852a;
  --ktm-gold-500: #d1a13c;
  --ktm-gold-400: #e6bd63;
  --ktm-gold-soft: rgba(209, 161, 60, 0.18);

  --ktm-live: #4f9d6e;
  --ktm-live-soft: rgba(79, 157, 110, 0.18);
  --ktm-warn: #c96a3a;
  --ktm-warn-soft: rgba(201, 106, 58, 0.18);
  --ktm-danger: var(--ktm-aka-500);

  --ktm-focus-ring: 0 0 0 3px rgba(100, 120, 196, 0.55);
  --ktm-focus-ring-contrast: 0 0 0 3px #ffffff;
}

/* High-contrast theme — toggled with the exact hook: body.contrast */
body.contrast {
  --ktm-sumi-950: #000000;
  --ktm-sumi-900: #000000;
  --ktm-sumi-800: #121212;
  --ktm-sumi-700: #ffffff;
  --ktm-sumi-600: #ffffff;

  --ktm-shiro: #ffffff;
  --ktm-shiro-dim: #e6e6e6;
  --ktm-shiro-faint: #bdbdbd;

  --ktm-ai-600: #5b6fd1;
  --ktm-ai-500: #7c8de0;
  --ktm-ai-400: #a3b1ec;
  --ktm-ai-soft: rgba(91, 111, 209, 0.35);
  --ktm-ai-soft-strong: rgba(91, 111, 209, 0.5);

  --ktm-aka-600: #ff4438;
  --ktm-aka-500: #ff6b5f;
  --ktm-aka-soft: rgba(255, 68, 56, 0.35);
  --ktm-aka-soft-strong: rgba(255, 68, 56, 0.5);

  --ktm-gold-600: #ffc94d;
  --ktm-gold-500: #ffd876;
  --ktm-gold-soft: rgba(255, 201, 77, 0.35);

  --ktm-live: #6fe39a;
  --ktm-live-soft: rgba(111, 227, 154, 0.3);
  --ktm-warn: #ff9a5a;
  --ktm-warn-soft: rgba(255, 154, 90, 0.3);

  --ktm-shadow-1: 0 0 0 1px #ffffff;
  --ktm-focus-ring: var(--ktm-focus-ring-contrast);
}

/* Reduced motion — collapse every animated duration token to near-zero. */
@media (prefers-reduced-motion: reduce) {
  :root {
    --ktm-dur-fast: var(--ktm-dur-instant);
    --ktm-dur-med: var(--ktm-dur-instant);
    --ktm-dur-slow: var(--ktm-dur-instant);
    --ktm-dur-ippon: var(--ktm-dur-instant);
    --ktm-dur-reveal: var(--ktm-dur-instant);
  }
}

/* ==========================================================================
   2. Keyframes (shared)
   ========================================================================== */
@keyframes ktm-badge-flash {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
  30% { transform: scale(1.22); box-shadow: 0 0 0 10px rgba(255, 255, 255, 0.25); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}
@keyframes ktm-score-pulse {
  0% { transform: scale(1); }
  35% { transform: scale(1.16); }
  100% { transform: scale(1); }
}
@keyframes ktm-reveal-in {
  0% { opacity: 0; transform: scale(1.04); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes ktm-timer-urgent {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}
@keyframes ktm-toast-in {
  0% { opacity: 0; transform: translateY(6px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes ktm-tap-pop {
  0% { transform: scale(1); }
  40% { transform: scale(0.94); }
  100% { transform: scale(1); }
}
@keyframes ktm-pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}
@keyframes ktm-fade-in {
  0% { opacity: 0; transform: translateY(4px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   3. Base / reset / a11y
   ========================================================================== */
* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  background: var(--ktm-sumi-950);
  color: var(--ktm-shiro);
  font-family: var(--ktm-font);
  font-size: var(--ktm-fs-2);
  line-height: var(--ktm-lh-normal);
  min-height: 100vh;
}

a { color: var(--ktm-ai-400); text-decoration: none; }
a:hover { text-decoration: underline; }

:lang(ja) { font-family: var(--ktm-font-jp); }

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

/* Global focus-visible ring for keyboard users. */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible,
.ktm-focusable:focus-visible {
  outline: none;
  box-shadow: var(--ktm-focus-ring);
}

[hidden] { display: none !important; }

/* ==========================================================================
   4. App chrome
   ========================================================================== */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: var(--ktm-sp-4);
  padding: var(--ktm-sp-3) var(--ktm-sp-6);
  background: var(--ktm-sumi-950);
  border-bottom: 1px solid var(--ktm-sumi-700);
  flex-wrap: wrap;
}
.nav .brand { display: flex; align-items: center; gap: var(--ktm-sp-3); }
.nav .brand-name { font-weight: 800; font-size: var(--ktm-fs-3); letter-spacing: 0.02em; }
.nav .brand-sub { font-size: var(--ktm-fs-1); color: var(--ktm-shiro-dim); }
.nav .spacer { flex: 1; }
.nav .nav-links { display: flex; align-items: center; gap: var(--ktm-sp-2); flex-wrap: wrap; }
.nav .nav-links a { color: var(--ktm-shiro-dim); font-size: var(--ktm-fs-1); font-weight: 600; padding: var(--ktm-sp-1) var(--ktm-sp-2); border-radius: var(--ktm-radius-sm); }
.nav .nav-links a:hover, .nav .nav-links a.active { color: var(--ktm-ai-400); text-decoration: none; }
.nav .lang { display: flex; gap: var(--ktm-sp-1); }
.nav .lang a {
  font-size: var(--ktm-fs-1); text-transform: uppercase; color: var(--ktm-shiro-dim);
  padding: 2px var(--ktm-sp-2); border-radius: var(--ktm-radius-sm);
}
.nav .lang a.active { background: var(--ktm-ai-soft); color: var(--ktm-ai-400); font-weight: 700; }
.nav .user { color: var(--ktm-shiro-dim); font-size: var(--ktm-fs-1); }
.nav form { display: inline; }

.container { max-width: 1180px; margin: 0 auto; padding: var(--ktm-sp-7) var(--ktm-sp-6) var(--ktm-sp-9); }

.card {
  background: var(--ktm-sumi-900);
  border: 1px solid var(--ktm-sumi-700);
  border-radius: var(--ktm-radius-lg);
  padding: var(--ktm-sp-5);
  margin-bottom: var(--ktm-sp-5);
  box-shadow: var(--ktm-shadow-1);
}
.card > h2, .section-title {
  font-size: var(--ktm-fs-1); text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ktm-shiro-faint); margin: 0 0 var(--ktm-sp-4); font-weight: 700;
}
.card > h2 { color: var(--ktm-shiro); font-size: var(--ktm-fs-4); text-transform: none; letter-spacing: 0; }

/* Buttons — the five admin treatments. */
button, .btn {
  font-family: var(--ktm-font);
  height: var(--ktm-touch-min); min-height: var(--ktm-touch-min);
  padding: 0 var(--ktm-sp-5);
  border-radius: var(--ktm-radius-md);
  border: 1px solid transparent;
  font-size: var(--ktm-fs-2); font-weight: 600;
  background: var(--ktm-ai-600); color: #fff;
  cursor: pointer;
  transition: filter var(--ktm-dur-fast) var(--ktm-ease-standard);
  -webkit-tap-highlight-color: transparent;
}
button:hover, .btn:hover { filter: brightness(1.12); }
button:active, .btn:active { filter: brightness(0.94); }
.btn-primary { background: var(--ktm-ai-600); color: #fff; }
.btn-secondary { background: var(--ktm-sumi-800); color: var(--ktm-shiro); border-color: var(--ktm-sumi-600); }
.btn-danger, button.danger { background: transparent; color: var(--ktm-aka-500); border-color: var(--ktm-aka-600); }
.btn-ghost, button.ghost { background: transparent; color: var(--ktm-ai-400); border-color: transparent; }
.btn-secondary.ghost, .nav .ghost { border-color: var(--ktm-sumi-600); color: var(--ktm-shiro); }
button:disabled, .btn:disabled, .btn[disabled] {
  background: var(--ktm-sumi-800); color: var(--ktm-shiro-faint);
  border-color: var(--ktm-sumi-700); cursor: not-allowed; filter: none;
}
.btn-icon { min-width: var(--ktm-touch-min); padding: 0 var(--ktm-sp-3); background: var(--ktm-sumi-800); color: var(--ktm-shiro); border-color: var(--ktm-sumi-600); }

/* Forms */
form { display: flex; flex-direction: column; gap: var(--ktm-sp-3); }
.field { display: flex; flex-direction: column; gap: var(--ktm-sp-2); }
label { font-size: var(--ktm-fs-1); color: var(--ktm-shiro-dim); font-weight: 600; }
input, select, textarea, .ktm-input {
  font-family: var(--ktm-font); font-size: var(--ktm-fs-2);
  height: var(--ktm-touch-min);
  padding: 0 var(--ktm-sp-3);
  border: 1px solid var(--ktm-sumi-600);
  border-radius: var(--ktm-radius-sm);
  background: var(--ktm-sumi-800);
  color: var(--ktm-shiro);
  width: 100%;
}
textarea { height: auto; padding: var(--ktm-sp-3); min-height: 88px; }
input:focus, select:focus, textarea:focus, .ktm-input:focus {
  outline: none; box-shadow: var(--ktm-focus-ring); border-color: var(--ktm-ai-500);
}
input::placeholder, textarea::placeholder { color: var(--ktm-shiro-faint); }
.row { display: flex; gap: var(--ktm-sp-4); align-items: flex-end; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 180px; }
.form-actions { display: flex; gap: var(--ktm-sp-3); justify-content: flex-end; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: var(--ktm-fs-2); }
thead tr { background: var(--ktm-sumi-800); }
th {
  text-align: left; padding: var(--ktm-sp-3) var(--ktm-sp-4);
  font-size: var(--ktm-fs-1); color: var(--ktm-shiro-faint);
  text-transform: uppercase; letter-spacing: var(--ktm-tracking-wide); font-weight: 700;
}
td { padding: var(--ktm-sp-3) var(--ktm-sp-4); border-top: 1px solid var(--ktm-sumi-700); }
.table-wrap { overflow-x: auto; border: 1px solid var(--ktm-sumi-700); border-radius: var(--ktm-radius-lg); }
.table-wrap table { border-radius: var(--ktm-radius-lg); overflow: hidden; }
tr[draggable="true"] { cursor: default; }
tr[draggable="true"].dragging { opacity: 0.4; }

/* Status chips */
.status-chip {
  display: inline-flex; align-items: center; gap: var(--ktm-sp-2);
  padding: 3px var(--ktm-sp-3); border-radius: var(--ktm-radius-pill);
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
}
.status-chip.upcoming { color: var(--ktm-shiro-dim); background: var(--ktm-sumi-800); border: 1px solid var(--ktm-sumi-600); }
.status-chip.live { color: var(--ktm-live); background: var(--ktm-live-soft); border: 1px solid var(--ktm-live); animation: ktm-pulse-dot 1.6s ease-in-out infinite; }
.status-chip.done { color: var(--ktm-ai-400); background: var(--ktm-ai-soft); border: 1px solid var(--ktm-ai-700); }

/* Flash messages */
.flash {
  padding: var(--ktm-sp-3) var(--ktm-sp-4); border-radius: var(--ktm-radius-md);
  margin: var(--ktm-sp-4) auto; max-width: 1180px;
  background: var(--ktm-warn-soft); border: 1px solid var(--ktm-warn); color: var(--ktm-shiro);
}

.page-title { font-size: var(--ktm-fs-5); font-weight: 800; margin-bottom: var(--ktm-sp-5); }
.muted { color: var(--ktm-shiro-dim); }
.toast {
  font-size: var(--ktm-fs-2); color: var(--ktm-live); background: var(--ktm-live-soft);
  border: 1px solid var(--ktm-live); border-radius: var(--ktm-radius-md);
  padding: var(--ktm-sp-2) var(--ktm-sp-3); text-align: center;
  animation: ktm-toast-in var(--ktm-dur-med) var(--ktm-ease-out);
}
.toast.error { color: var(--ktm-warn); background: var(--ktm-warn-soft); border-color: var(--ktm-warn); }

/* ==========================================================================
   5. Scoreboard (projector)
   ========================================================================== */
body.scoreboard-page { overflow: hidden; }

.scoreboard {
  position: relative; width: 100vw; height: 100vh; min-height: 640px;
  background: var(--ktm-sumi-950); color: var(--ktm-shiro);
  overflow: hidden; padding: 5% 5% 3.5%;
  display: flex; flex-direction: column; gap: 1.4vh;
}
.sb-banner {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1.6vw;
  border-bottom: 1px solid var(--ktm-sumi-700); padding-bottom: 1.2vh;
  flex-shrink: 0; flex-wrap: wrap;
}
.sb-banner-main { display: flex; align-items: baseline; gap: 1.6vw; min-width: 0; flex-wrap: wrap; }
.sb-tournament { font-size: clamp(20px, 2.1vw, 32px); font-weight: 700; letter-spacing: 0.02em; white-space: nowrap; }
.sb-round, .sb-match { font-size: clamp(14px, 1.2vw, 20px); color: var(--ktm-shiro-dim); white-space: nowrap; }
.sb-shiaijo { font-size: clamp(14px, 1.2vw, 20px); color: var(--ktm-ai-400); font-weight: 600; white-space: nowrap; }

.sb-main { flex: 1; display: flex; align-items: stretch; gap: 1.6vw; min-height: 0; }

.scoreboard .side {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  border-radius: 20px; padding: 2vh 1.4vw; position: relative;
  background: var(--side-soft); border: 1px solid var(--side-border);
}
.scoreboard .side.red { --side-accent: var(--ktm-aka-600); --side-soft: var(--ktm-aka-soft); --side-border: var(--ktm-aka-700); }
.scoreboard .side.white { --side-accent: var(--ktm-ai-600); --side-soft: var(--ktm-ai-soft); --side-border: var(--ktm-ai-700); }
.scoreboard .side .photo {
  width: clamp(64px, 9vw, 140px); height: clamp(64px, 9vw, 140px);
  border-radius: 50%; object-fit: cover; margin-bottom: 1vh;
  border: 2px solid var(--side-accent);
}
.scoreboard .side .name { font-size: clamp(28px, 3.6vw, 56px); font-weight: 700; line-height: 1.05; text-align: center; }
.scoreboard .side .dojo-zekken { font-size: clamp(14px, 1.4vw, 22px); color: var(--ktm-shiro-dim); text-align: center; margin-top: 0.4vh; }
.scoreboard .side .score { font-size: clamp(64px, 9vw, 160px); font-weight: 800; line-height: 1; color: var(--side-accent); margin-top: 1vh; }
.scoreboard .side .score.pulse { animation: ktm-score-pulse var(--ktm-dur-ippon) var(--ktm-ease-out); }

.ippon-badges { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 1.4vh; }
.ippon-badge {
  padding: 6px 14px; border-radius: var(--ktm-radius-pill);
  font-size: clamp(11px, 1vw, 15px); font-weight: 700; letter-spacing: 0.02em;
  border: 1.5px solid var(--side-accent);
  background: transparent; color: var(--side-accent); opacity: 0.55;
}
.ippon-badge.scored { background: var(--side-accent); color: var(--ktm-sumi-950); opacity: 1; }
.ippon-badge.flash { animation: ktm-badge-flash var(--ktm-dur-ippon) var(--ktm-ease-out); }

.hansoku-flags { display: flex; gap: 6px; justify-content: center; margin-top: 1vh; min-height: 26px; }
.hansoku-flag {
  width: 22px; height: 22px; border-radius: 50%; background: var(--ktm-warn);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: #1a1005;
}

.timer-center { flex: 0 0 22%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1vh; }
.encho-badge {
  opacity: 0; padding: 4px 16px; border-radius: var(--ktm-radius-pill);
  background: var(--ktm-gold-soft); color: var(--ktm-gold-500);
  font-weight: 800; letter-spacing: 0.15em; font-size: clamp(13px, 1.1vw, 18px);
  transition: opacity var(--ktm-dur-med);
}
.encho-badge.on { opacity: 1; }
.timer {
  font-size: clamp(64px, 10vw, 200px); font-weight: 800; line-height: 1;
  font-variant-numeric: tabular-nums; color: var(--ktm-shiro);
}
.timer.urgent { color: var(--ktm-aka-500); }
.timer.urgent.running { animation: ktm-timer-urgent 1s steps(2) infinite; }
.timer.encho { color: var(--ktm-gold-500); }
.timer-hint { font-size: clamp(12px, 1vw, 16px); color: var(--ktm-shiro-faint); letter-spacing: 0.1em; }

.next-match {
  flex-shrink: 0; display: flex; align-items: center; gap: 14px;
  background: var(--ktm-sumi-900); border: 1px solid var(--ktm-sumi-700);
  border-radius: 12px; padding: 10px 20px;
}
.next-match .label { font-size: clamp(11px, 0.9vw, 14px); letter-spacing: 0.1em; color: var(--ktm-shiro-faint); white-space: nowrap; }
.next-match .who { font-size: clamp(15px, 1.3vw, 20px); font-weight: 600; white-space: nowrap; }
.next-match .vs { color: var(--ktm-shiro-faint); }
.next-match .spacer { flex: 1; }
.next-match .meta { font-size: clamp(12px, 1vw, 15px); color: var(--ktm-shiro-dim); white-space: nowrap; }

.winner-reveal {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 1.5vh; color: #fff; z-index: 40;
  animation: ktm-reveal-in var(--ktm-dur-reveal) var(--ktm-ease-out);
  text-align: center; padding: 5%;
}
.winner-reveal.red { background: var(--ktm-aka-600); }
.winner-reveal.white { background: var(--ktm-ai-600); }
.winner-reveal.hikiwake { background: linear-gradient(90deg, var(--ktm-aka-700), var(--ktm-ai-700)); }
.winner-reveal .kicker { font-size: clamp(16px, 1.6vw, 24px); letter-spacing: 0.2em; opacity: 0.85; }
.winner-reveal .who { font-size: clamp(48px, 7vw, 120px); font-weight: 800; line-height: 1.05; }
.winner-reveal .sub { font-size: clamp(14px, 1.2vw, 20px); opacity: 0.8; }

.scoreboard .empty-state { flex: 1; display: flex; align-items: center; justify-content: center; font-size: clamp(28px, 4vw, 64px); color: var(--ktm-shiro-faint); }

/* ==========================================================================
   6. Scorekeeper (console)
   ========================================================================== */
.scorekeeper {
  width: 100%; display: flex; flex-direction: column;
}
.sk-topbar {
  flex-shrink: 0; display: flex; align-items: center; gap: var(--ktm-sp-4);
  padding: 10px 18px; border-bottom: 1px solid var(--ktm-sumi-700); flex-wrap: wrap;
}
.sk-title { font-weight: 700; font-size: var(--ktm-fs-4); }
.sk-sub { font-size: var(--ktm-fs-1); color: var(--ktm-shiro-dim); }
.sk-cast { display: flex; align-items: center; gap: var(--ktm-sp-3); flex-wrap: wrap; font-size: var(--ktm-fs-1); }
.sk-cast label { display: inline-flex; align-items: center; gap: var(--ktm-sp-1); color: var(--ktm-shiro-dim); }
.sk-cast select { width: auto; height: 34px; }
.sk-cast .btn-secondary { height: 34px; min-height: 34px; padding: 0 var(--ktm-sp-3); }
.sk-topbar .spacer { flex: 1; }
.last-action-chip {
  font-size: 12px; color: var(--ktm-shiro-dim);
  background: var(--ktm-sumi-800); border: 1px solid var(--ktm-sumi-700);
  border-radius: var(--ktm-radius-pill); padding: 6px 14px;
  animation: ktm-toast-in var(--ktm-dur-med) var(--ktm-ease-out);
}
.undo-btn { height: var(--ktm-touch-min); padding: 0 14px; background: var(--ktm-sumi-800); color: var(--ktm-shiro); border: 1px solid var(--ktm-sumi-600); border-radius: var(--ktm-radius-sm); font-size: 13px; }

.sk-grid {
  flex: 1; display: grid; grid-template-columns: 1fr 260px 1fr;
  gap: 14px; padding: 14px 16px; min-height: 62vh;
}
.sk-col { display: flex; flex-direction: column; gap: 10px; min-height: 0; }
.sk-header {
  display: flex; align-items: center; justify-content: space-between;
  border-radius: 14px; padding: 12px 16px;
}
.sk-col.red .sk-header { background: var(--ktm-aka-soft); border: 1px solid var(--ktm-aka-700); }
.sk-col.white .sk-header { background: var(--ktm-ai-soft); border: 1px solid var(--ktm-ai-700); }
.sk-id { display: flex; align-items: center; gap: 10px; min-width: 0; }
.sk-photo { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.sk-name { font-weight: 700; font-size: 20px; }
.sk-meta { font-size: 13px; color: var(--ktm-shiro-dim); }
.sk-score { font-size: 44px; font-weight: 800; }
.sk-col.red .sk-score { color: var(--ktm-aka-500); }
.sk-col.white .sk-score { color: var(--ktm-ai-400); }

.target-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; flex: 1; min-height: 0; }
.target-btn {
  min-height: 60px; height: auto; border-radius: 14px; background: transparent;
  font-size: 17px; font-weight: 700;
  border: 1.5px solid var(--ktm-sumi-600); color: var(--ktm-shiro);
  user-select: none;
}
.sk-col.red .target-btn { border-color: var(--ktm-aka-600); color: var(--ktm-aka-500); }
.sk-col.white .target-btn { border-color: var(--ktm-ai-600); color: var(--ktm-ai-400); }
.target-btn:active { transform: scale(0.96); }

.sk-secondary-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.hansoku-btn { height: 52px; border-radius: 12px; border: 1px solid var(--ktm-warn); background: var(--ktm-warn-soft); color: var(--ktm-warn); font-weight: 700; font-size: 14px; }
.hantei-btn { height: 52px; border-radius: 12px; background: transparent; font-weight: 700; font-size: 14px; }
.sk-col.red .hantei-btn { border: 1.5px solid var(--ktm-aka-600); color: var(--ktm-aka-600); }
.sk-col.white .hantei-btn { border: 1.5px solid var(--ktm-ai-600); color: var(--ktm-ai-600); }

.sk-center { display: flex; flex-direction: column; align-items: stretch; gap: 10px; min-height: 0; }
.sk-center .encho-badge { text-align: center; background: transparent; padding: 0; font-size: 13px; }
.sk-timer { font-size: 56px; font-weight: 800; font-variant-numeric: tabular-nums; text-align: center; color: var(--ktm-shiro); }
.sk-timer.urgent { color: var(--ktm-aka-500); }
.sk-timer.urgent.running { animation: ktm-tap-pop 1s steps(2) infinite; }
.sk-timer.encho { color: var(--ktm-gold-500); }
.sk-timer-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sk-timer-controls .primary { height: 52px; border-radius: 12px; border: 1px solid var(--ktm-ai-600); background: var(--ktm-ai-soft); color: var(--ktm-ai-400); font-weight: 700; font-size: 16px; }
.sk-timer-controls .secondary { height: 52px; border-radius: 12px; border: 1px solid var(--ktm-sumi-600); background: var(--ktm-sumi-800); color: var(--ktm-shiro); font-weight: 600; font-size: 15px; }
.encho-toggle { height: 52px; border-radius: 12px; border: 1px solid var(--ktm-gold-600); background: var(--ktm-gold-soft); color: var(--ktm-gold-500); font-weight: 800; font-size: 14px; letter-spacing: 0.08em; }
.encho-toggle.on { background: var(--ktm-gold-600); color: #1a1005; }
.sk-center .grow { flex: 1; }
.end-match-btn { height: 52px; border-radius: 12px; border: 1px solid var(--ktm-aka-600); background: var(--ktm-aka-600); color: #fff; font-weight: 800; font-size: 15px; }

.sk-winner-banner {
  grid-column: 1 / -1; text-align: center; padding: var(--ktm-sp-4);
  border-radius: var(--ktm-radius-lg); background: var(--ktm-sumi-900); border: 1px solid var(--ktm-sumi-700);
  font-size: var(--ktm-fs-4); font-weight: 800;
}

/* Confirm modal */
.confirm-modal { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6); display: flex; align-items: center; justify-content: center; z-index: 60; }
.confirm-modal .dialog {
  background: var(--ktm-sumi-900); border: 1px solid var(--ktm-sumi-600);
  border-radius: 16px; padding: 28px 32px; display: flex; flex-direction: column;
  gap: var(--ktm-sp-4); min-width: 320px; max-width: 90vw;
}
.confirm-modal .dialog h3 { font-size: var(--ktm-fs-3); font-weight: 700; }
.confirm-modal .dialog p { font-size: var(--ktm-fs-2); color: var(--ktm-shiro-dim); }
.confirm-modal .actions { display: flex; gap: 10px; justify-content: flex-end; }

/* Match-card gallery (admin) */
.match-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--ktm-sp-3); }
.match-card {
  display: block; background: var(--ktm-sumi-900); border: 1px solid var(--ktm-sumi-700);
  border-radius: var(--ktm-radius-lg); padding: var(--ktm-sp-4); box-shadow: var(--ktm-shadow-1);
}
.match-card:hover { text-decoration: none; border-color: var(--ktm-ai-600); }
.match-card .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--ktm-sp-3); }
.match-card .head .meta { font-size: var(--ktm-fs-1); color: var(--ktm-shiro-faint); }
.match-card .players { display: flex; justify-content: space-between; align-items: center; gap: var(--ktm-sp-2); font-size: var(--ktm-fs-2); font-weight: 600; }
.match-card .players .red { color: var(--ktm-aka-500); }
.match-card .players .white { color: var(--ktm-ai-400); }
.match-card .players .vs { color: var(--ktm-shiro-faint); font-weight: 400; }
.match-card .players .sc { font-variant-numeric: tabular-nums; color: var(--ktm-shiro-dim); }

/* ==========================================================================
   7. Bracket (admin + results)
   ========================================================================== */
.bracket-wrap { overflow: auto; cursor: grab; max-height: 70vh; }
.bracket-wrap.panning { cursor: grabbing; user-select: none; }
.bracket-zoom-controls { display: flex; gap: 6px; margin-bottom: 8px; }
.bracket-zoom-controls button {
  min-width: 32px; padding: 4px 8px; font-size: 13px; cursor: pointer;
  border: 1px solid var(--ktm-sumi-700); background: var(--ktm-sumi-900);
  color: var(--ktm-shiro); border-radius: 6px;
}
.bracket-zoom-controls button:hover { background: var(--ktm-sumi-800); }
.bracket { position: relative; }
.bracket svg { position: absolute; top: 0; left: 0; pointer-events: none; }
.bracket-connector { fill: none; stroke: var(--ktm-sumi-600); stroke-width: 2; }
.bracket-connector.decided { stroke: var(--ktm-ai-500); stroke-width: 3; }
.bracket-card {
  /* Fixed height so the JS layout (CARD_H) matches the rendered box exactly
     and adjacent cards never overlap. Box-sizing is border-box (global reset). */
  position: absolute; width: 220px; height: 118px;
  background: var(--ktm-sumi-800); border: 1px solid var(--ktm-sumi-700);
  border-radius: 10px; padding: 10px 12px;
}
.bracket-card .head { height: 18px; font-size: 11px; color: var(--ktm-shiro-faint); margin-bottom: 6px; display: flex; justify-content: space-between; align-items: center; }
.bracket-slot {
  height: 30px; display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 0 8px; border-radius: 6px; margin-top: 4px; font-size: 13px;
  border: 1px dashed var(--ktm-sumi-600); color: var(--ktm-shiro-faint); font-weight: 400;
}
.bracket-slot > span:first-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bracket-slot.filled { border-color: transparent; font-weight: 700; }
.bracket-slot.red.filled { background: var(--ktm-aka-soft); color: var(--ktm-aka-600); }
.bracket-slot.white.filled { background: var(--ktm-ai-soft); color: var(--ktm-ai-600); }
.bracket-slot.winner { font-weight: 700; }
.bracket-slot.loser { color: var(--ktm-shiro-faint); text-decoration: line-through; background: transparent; }
.bracket-slot .slot-score { font-variant-numeric: tabular-nums; opacity: 0.85; }

/* ==========================================================================
   8. Registration surface
   ========================================================================== */
.registration { min-height: 100vh; display: flex; justify-content: center; }
.registration-inner { width: 100%; max-width: 460px; min-height: 100vh; display: flex; flex-direction: column; }
.reg-body { flex: 1; padding: 4px 16px 40px; display: flex; flex-direction: column; gap: 18px; }

.tab-bar { display: flex; gap: 6px; padding: 12px 16px 0; }
.tab {
  flex: 1; height: 38px; min-height: 38px; padding: 0 var(--ktm-sp-4);
  border-radius: 9px; font-size: 13px; font-weight: 700;
  border: 1px solid var(--ktm-sumi-600); background: var(--ktm-sumi-900); color: var(--ktm-shiro-dim);
}
.tab.active { border-color: var(--ktm-ai-600); background: var(--ktm-ai-soft); color: var(--ktm-ai-400); }

.csv-dropzone {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 22px 12px; border: 1.5px dashed var(--ktm-sumi-600); border-radius: 12px;
  text-align: center; cursor: pointer; color: var(--ktm-shiro);
}
.csv-dropzone.drag-over { border-color: var(--ktm-ai-500); background: var(--ktm-ai-soft); }
.csv-dropzone .glyph { font-size: 28px; }
.csv-dropzone .label { font-size: 13px; font-weight: 600; }
.csv-dropzone .hint { font-size: 11px; color: var(--ktm-shiro-faint); }
.csv-preview-row { display: flex; justify-content: space-between; font-size: 13px; padding: 8px 10px; background: var(--ktm-sumi-800); border-radius: 8px; }
.csv-preview-row .dim { color: var(--ktm-shiro-dim); }

.roster-toolbar { display: flex; align-items: center; justify-content: space-between; margin: var(--ktm-sp-2) var(--ktm-sp-1); }
.roster-toolbar .check { display: inline-flex; align-items: center; gap: var(--ktm-sp-2); font-size: var(--ktm-fs-1); color: var(--ktm-shiro-dim); }
.roster-bulkbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--ktm-sp-2);
  padding: var(--ktm-sp-3); margin-bottom: var(--ktm-sp-3);
  background: var(--ktm-ai-soft); border: 1px solid var(--ktm-ai-700); border-radius: var(--ktm-radius-md);
}
.roster-bulkbar select { width: auto; flex: 1; min-width: 150px; height: 38px; }
.roster-bulkbar .btn-danger { height: 38px; min-height: 38px; }
input[type="checkbox"] { accent-color: var(--ktm-ai-500); }
.roster-row { display: flex; align-items: center; gap: 12px; }
.roster-thumb { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.roster-row .row-check { width: 18px; height: 18px; flex-shrink: 0; }
.roster-row .who { flex: 1; min-width: 0; }
.roster-row .who .name { font-weight: 700; font-size: 15px; }
.roster-row .who .meta { font-size: 12px; color: var(--ktm-shiro-dim); }
.chip {
  flex-shrink: 0; padding: 3px 10px; border-radius: var(--ktm-radius-pill);
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em;
}
.chip.seeded { color: var(--ktm-ai-400); background: var(--ktm-ai-soft); border: 1px solid var(--ktm-ai-700); }
.chip.unseeded { color: var(--ktm-shiro-dim); background: var(--ktm-sumi-800); border: 1px solid var(--ktm-sumi-600); }
.icon-btn { width: 34px; min-width: 34px; height: 34px; padding: 0; border-radius: 8px; border: 1px solid var(--ktm-sumi-600); background: transparent; color: var(--ktm-shiro-faint); font-size: 13px; flex-shrink: 0; }

.pool { display: flex; flex-wrap: wrap; gap: 8px; }
.pool-chip {
  padding: 8px 14px; border-radius: var(--ktm-radius-pill); font-size: 13px; font-family: var(--ktm-font);
  border: 1.5px solid var(--ktm-sumi-600); background: var(--ktm-sumi-800); color: var(--ktm-shiro); font-weight: 400;
}
.pool-chip.selected { border-color: var(--ktm-ai-500); background: var(--ktm-ai-soft-strong); color: var(--ktm-ai-400); font-weight: 700; }
.pool-chip[draggable="true"] { cursor: grab; }
.pool-chip[draggable="true"]:active { cursor: grabbing; }

.team-dropzone {
  min-height: 48px; border-radius: 10px; border: 1.5px dashed var(--ktm-sumi-600);
  padding: 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
}
.team-dropzone.armed { border-color: var(--ktm-ai-500); cursor: pointer; }
.member-chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: var(--ktm-radius-pill); background: var(--ktm-ai-soft); color: var(--ktm-ai-400); font-size: 13px; font-weight: 600; }
.member-chip .x { cursor: pointer; opacity: 0.7; }

/* ==========================================================================
   9. Results (public spectator)
   ========================================================================== */
.results { min-height: 100vh; }
.results-body { max-width: 1000px; margin: 0 auto; padding: 20px 20px 60px; }
.results .tab-bar { padding: 14px 20px 0; max-width: 1000px; margin: 0 auto; }
.results .tab { flex: 0 0 auto; padding: 0 18px; }

.results-feed { display: flex; flex-direction: column; gap: 12px; }
.match-row {
  background: var(--ktm-sumi-900); border: 1px solid var(--ktm-sumi-700);
  border-radius: 14px; padding: 16px 18px; box-shadow: var(--ktm-shadow-1);
}
.match-row.live { border-color: var(--ktm-live); }
.match-row .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.match-row .head .meta { font-size: 12px; color: var(--ktm-shiro-faint); }
.match-row .scoreline { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 14px; }
.match-row .name { font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 8px; min-width: 0; }
.match-row .name .feed-thumb { width: 26px; height: 26px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.match-row .name.red { color: var(--ktm-aka-500); }
.match-row .name.white { color: var(--ktm-ai-400); justify-content: flex-end; flex-direction: row-reverse; }
.match-row .name.loser { color: var(--ktm-shiro-faint); text-decoration: line-through; }
.match-row .scores { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; font-variant-numeric: tabular-nums; }
.match-row .scores .s.red { color: var(--ktm-aka-500); }
.match-row .scores .s.white { color: var(--ktm-ai-400); }
.match-row .scores .s.dim { opacity: 0.6; }
.match-row .scores .sep { color: var(--ktm-shiro-faint); font-size: 13px; font-weight: 400; }

.champion-banner {
  margin-top: 24px; padding: 20px; border-radius: 14px;
  background: var(--ktm-gold-soft); border: 1px solid var(--ktm-gold-600); text-align: center;
}
.champion-banner .label { font-size: 13px; letter-spacing: 0.1em; color: var(--ktm-gold-500); font-weight: 700; }
.champion-banner .who { font-size: 26px; font-weight: 800; margin-top: 6px; }

.placings { margin-top: 14px; display: flex; flex-direction: column; gap: 6px; }
.placing-row {
  display: flex; align-items: center; gap: 12px; padding: 8px 14px;
  border-radius: 10px; background: var(--ktm-sumi-900); border: 1px solid var(--ktm-sumi-700);
}
.placing-label {
  font-size: 12px; font-weight: 800; letter-spacing: 0.06em; flex-shrink: 0;
  width: 34px; text-align: center; color: var(--ktm-shiro-dim);
}
.placing-1 .placing-label { color: var(--ktm-gold-500); }
.placing-names { font-size: 14px; font-weight: 600; }

.empty-note { color: var(--ktm-shiro-faint); text-align: center; padding: var(--ktm-sp-8) var(--ktm-sp-4); }

.standings-pool { margin-top: 14px; }
.standings-pool:first-child { margin-top: 0; }
.standings-pool h3 { margin: 0 0 8px; font-size: 14px; }
.standings-pool td:first-child, .standings-pool th:first-child { text-align: center; width: 2.5em; }

/* ==========================================================================
   10. Responsive
   ========================================================================== */
@media (max-width: 820px) {
  .sk-grid { grid-template-columns: 1fr; }
  .sk-center { order: -1; }
  .container { padding: var(--ktm-sp-5) var(--ktm-sp-4) var(--ktm-sp-8); }
}
@media (max-width: 560px) {
  .nav { padding: var(--ktm-sp-3) var(--ktm-sp-4); }
  .scoreboard { padding: 4% 4% 3%; }
  .sb-main { flex-direction: column; }
  .timer-center { flex: 0 0 auto; }
}