/* Темы: явная тёмная / светлая или «системная» (prefers-color-scheme) */
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #090c0f;
  --bg-card: rgba(12, 15, 19, 0.92);
  --text: #f2f4f6;
  --muted: #9ba3a8;
  --accent: #bdd06f;
  --accent-2: #8fa255;
  --border: rgba(189, 208, 111, 0.2);
  --glass-blur: 14px;
  --glass-edge: rgba(173, 216, 230, 0.42);
  --glass-edge-hover: rgba(190, 230, 255, 0.55);
  --glass-fill: rgba(255, 255, 255, 0.09);
  --glass-highlight: rgba(255, 255, 255, 0.2);
  --glass-inset-dark: rgba(0, 0, 0, 0.12);
  --input-bg: rgba(255, 255, 255, 0.03);
  --input-focus-ring: rgba(189, 208, 111, 0.16);
  --card-shadow:
    0 0 0 1px rgba(189, 208, 111, 0.04),
    0 14px 34px rgba(0, 0, 0, 0.45);
  --body-bg:
    radial-gradient(circle at 10% 10%, rgba(189, 208, 111, 0.06) 0%, rgba(189, 208, 111, 0) 38%),
    radial-gradient(circle at 80% 0%, rgba(143, 162, 85, 0.06) 0%, rgba(143, 162, 85, 0) 42%),
    linear-gradient(180deg, #090c0f 0%, #06080a 100%);
  --glow-orb: rgba(189, 208, 111, 0.16);
  --btn-text: #eaf2ff;
  --mode-btn-text: #eaf2ff;
  --mode-btn-active-text: #101305;
  --code-bg: rgba(189, 208, 111, 0.11);
  --code-text: #c8d891;
  --surface-1: rgba(255, 255, 255, 0.02);
  --surface-2: rgba(255, 255, 255, 0.06);
  --modal-overlay: rgba(4, 6, 8, 0.78);
  --modal-bg: radial-gradient(circle at 80% 10%, rgba(189, 208, 111, 0.11) 0%, rgba(0, 0, 0, 0) 40%), #131722;
  --nav-bg: rgba(9, 12, 15, 0.75);
  --theme-toggle-bg: rgba(255, 255, 255, 0.05);
  --theme-toggle-border: rgba(189, 208, 111, 0.22);
  --announce-pill-text: #d4e29e;
  --hero-border: rgba(255, 255, 255, 0.08);
  --hero-bg:
    radial-gradient(circle at 15% 20%, rgba(0, 214, 255, 0.25) 0%, rgba(0, 214, 255, 0) 55%),
    radial-gradient(circle at 75% 10%, rgba(255, 204, 0, 0.18) 0%, rgba(255, 204, 0, 0) 60%),
    linear-gradient(180deg, rgba(9, 11, 26, 0.35) 0%, rgba(9, 11, 26, 0.85) 100%);
  --hero-grid-opacity: 0.35;
  --focus-outline-bg: rgba(9, 12, 15, 0.9);
  --panel-surface: rgba(0, 0, 0, 0.28);
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #eef1f6;
  --bg-card: rgba(255, 255, 255, 0.94);
  --text: #14181c;
  --muted: #5a6570;
  --accent: #5c6b2a;
  --accent-2: #6d7d38;
  --border: rgba(80, 100, 50, 0.22);
  --glass-blur: 12px;
  --glass-edge: rgba(80, 110, 160, 0.35);
  --glass-edge-hover: rgba(60, 90, 150, 0.5);
  --glass-fill: rgba(255, 255, 255, 0.72);
  --glass-highlight: rgba(255, 255, 255, 0.95);
  --glass-inset-dark: rgba(0, 0, 0, 0.08);
  --input-bg: #ffffff;
  --input-focus-ring: rgba(100, 130, 50, 0.28);
  --card-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.06),
    0 14px 36px rgba(30, 50, 90, 0.1);
  --body-bg:
    radial-gradient(circle at 10% 10%, rgba(120, 160, 90, 0.09) 0%, transparent 40%),
    radial-gradient(circle at 85% 0%, rgba(100, 150, 210, 0.07) 0%, transparent 45%),
    linear-gradient(180deg, #f2f5f9 0%, #e8ecf2 100%);
  --glow-orb: rgba(100, 140, 70, 0.14);
  --btn-text: #1a2210;
  --mode-btn-text: #1a2530;
  --mode-btn-active-text: #1a2210;
  --code-bg: rgba(100, 130, 50, 0.12);
  --code-text: #3d4d1a;
  --surface-1: rgba(0, 0, 0, 0.03);
  --surface-2: rgba(0, 0, 0, 0.05);
  --modal-overlay: rgba(20, 24, 30, 0.55);
  --modal-bg: linear-gradient(180deg, #ffffff 0%, #f4f6fa 100%);
  --nav-bg: rgba(255, 255, 255, 0.88);
  --theme-toggle-bg: rgba(0, 0, 0, 0.04);
  --theme-toggle-border: rgba(0, 0, 0, 0.1);
  --announce-pill-text: #4a5a28;
  --hero-border: rgba(0, 0, 0, 0.08);
  --hero-bg:
    radial-gradient(circle at 15% 20%, rgba(0, 180, 220, 0.12) 0%, transparent 55%),
    radial-gradient(circle at 75% 10%, rgba(255, 190, 0, 0.1) 0%, transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(236, 242, 250, 0.99) 100%);
  --hero-grid-opacity: 0.18;
  --focus-outline-bg: rgba(255, 255, 255, 0.95);
  --panel-surface: rgba(255, 255, 255, 0.72);
}

@media (prefers-color-scheme: dark) {
  [data-theme="system"] {
    color-scheme: dark;
    --bg: #090c0f;
    --bg-card: rgba(12, 15, 19, 0.92);
    --text: #f2f4f6;
    --muted: #9ba3a8;
    --accent: #bdd06f;
    --accent-2: #8fa255;
    --border: rgba(189, 208, 111, 0.2);
    --glass-blur: 14px;
    --glass-edge: rgba(173, 216, 230, 0.42);
    --glass-edge-hover: rgba(190, 230, 255, 0.55);
    --glass-fill: rgba(255, 255, 255, 0.09);
    --glass-highlight: rgba(255, 255, 255, 0.2);
    --glass-inset-dark: rgba(0, 0, 0, 0.12);
    --input-bg: rgba(255, 255, 255, 0.03);
    --input-focus-ring: rgba(189, 208, 111, 0.16);
    --card-shadow:
      0 0 0 1px rgba(189, 208, 111, 0.04),
      0 14px 34px rgba(0, 0, 0, 0.45);
    --body-bg:
      radial-gradient(circle at 10% 10%, rgba(189, 208, 111, 0.06) 0%, rgba(189, 208, 111, 0) 38%),
      radial-gradient(circle at 80% 0%, rgba(143, 162, 85, 0.06) 0%, rgba(143, 162, 85, 0) 42%),
      linear-gradient(180deg, #090c0f 0%, #06080a 100%);
    --glow-orb: rgba(189, 208, 111, 0.16);
    --btn-text: #eaf2ff;
    --mode-btn-text: #eaf2ff;
    --mode-btn-active-text: #101305;
    --code-bg: rgba(189, 208, 111, 0.11);
    --code-text: #c8d891;
    --surface-1: rgba(255, 255, 255, 0.02);
    --surface-2: rgba(255, 255, 255, 0.06);
    --modal-overlay: rgba(4, 6, 8, 0.78);
    --modal-bg: radial-gradient(circle at 80% 10%, rgba(189, 208, 111, 0.11) 0%, rgba(0, 0, 0, 0) 40%), #131722;
    --nav-bg: rgba(9, 12, 15, 0.75);
    --theme-toggle-bg: rgba(255, 255, 255, 0.05);
    --theme-toggle-border: rgba(189, 208, 111, 0.22);
    --announce-pill-text: #d4e29e;
    --hero-border: rgba(255, 255, 255, 0.08);
    --hero-bg:
      radial-gradient(circle at 15% 20%, rgba(0, 214, 255, 0.25) 0%, rgba(0, 214, 255, 0) 55%),
      radial-gradient(circle at 75% 10%, rgba(255, 204, 0, 0.18) 0%, rgba(255, 204, 0, 0) 60%),
      linear-gradient(180deg, rgba(9, 11, 26, 0.35) 0%, rgba(9, 11, 26, 0.85) 100%);
    --hero-grid-opacity: 0.35;
    --focus-outline-bg: rgba(9, 12, 15, 0.9);
    --panel-surface: rgba(0, 0, 0, 0.28);
  }
}

@media (prefers-color-scheme: light) {
  [data-theme="system"] {
    color-scheme: light;
    --bg: #eef1f6;
    --bg-card: rgba(255, 255, 255, 0.94);
    --text: #14181c;
    --muted: #5a6570;
    --accent: #5c6b2a;
    --accent-2: #6d7d38;
    --border: rgba(80, 100, 50, 0.22);
    --glass-blur: 12px;
    --glass-edge: rgba(80, 110, 160, 0.35);
    --glass-edge-hover: rgba(60, 90, 150, 0.5);
    --glass-fill: rgba(255, 255, 255, 0.72);
    --glass-highlight: rgba(255, 255, 255, 0.95);
    --glass-inset-dark: rgba(0, 0, 0, 0.08);
    --input-bg: #ffffff;
    --input-focus-ring: rgba(100, 130, 50, 0.28);
    --card-shadow:
      0 0 0 1px rgba(0, 0, 0, 0.06),
      0 14px 36px rgba(30, 50, 90, 0.1);
    --body-bg:
      radial-gradient(circle at 10% 10%, rgba(120, 160, 90, 0.09) 0%, transparent 40%),
      radial-gradient(circle at 85% 0%, rgba(100, 150, 210, 0.07) 0%, transparent 45%),
      linear-gradient(180deg, #f2f5f9 0%, #e8ecf2 100%);
    --glow-orb: rgba(100, 140, 70, 0.14);
    --btn-text: #1a2210;
    --mode-btn-text: #1a2530;
    --mode-btn-active-text: #1a2210;
    --code-bg: rgba(100, 130, 50, 0.12);
    --code-text: #3d4d1a;
    --surface-1: rgba(0, 0, 0, 0.03);
    --surface-2: rgba(0, 0, 0, 0.05);
    --modal-overlay: rgba(20, 24, 30, 0.55);
    --modal-bg: linear-gradient(180deg, #ffffff 0%, #f4f6fa 100%);
    --nav-bg: rgba(255, 255, 255, 0.88);
    --theme-toggle-bg: rgba(0, 0, 0, 0.04);
    --theme-toggle-border: rgba(0, 0, 0, 0.1);
    --announce-pill-text: #4a5a28;
    --hero-border: rgba(0, 0, 0, 0.08);
    --hero-bg:
      radial-gradient(circle at 15% 20%, rgba(0, 180, 220, 0.12) 0%, transparent 55%),
      radial-gradient(circle at 75% 10%, rgba(255, 190, 0, 0.1) 0%, transparent 60%),
      linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(236, 242, 250, 0.99) 100%);
    --hero-grid-opacity: 0.18;
    --focus-outline-bg: rgba(255, 255, 255, 0.95);
    --panel-surface: rgba(255, 255, 255, 0.72);
  }
}

html {
  /* Место под вертикальный скроллбар зарезервировано всегда — нет сдвига ширины при появлении/исчезновении полосы */
  scrollbar-gutter: stable;
}

* {
  box-sizing: border-box;
}

.hidden {
  display: none !important;
}

/* Бесшовное переливание: слой 200% ширины с двумя одинаковыми бликами → translateX(-50%) за цикл без рывка */
@keyframes glass-sheen-seamless {
  from {
    transform: translate3d(0, 0, 0);
  }

  to {
    transform: translate3d(-50%, 0, 0);
  }
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: var(--body-bg);
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.background-glow {
  position: fixed;
  right: -140px;
  top: -90px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow-orb) 0%, transparent 70%);
  filter: blur(2px);
  pointer-events: none;
}

.container {
  width: min(1100px, 92%);
  max-width: 100%;
  margin: 36px auto 60px;
  box-sizing: border-box;
}

.admin-page {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  /* Тёмная схема для нативного <select>: иначе ОС рисует белый выпадающий список */
  color-scheme: dark;
}

[data-theme="light"] .admin-page {
  color-scheme: light;
}

.admin-page > .grid {
  margin-top: 0;
}

.admin-page > .participants {
  margin-top: 0;
}

.admin-page > .bracket-card {
  margin-top: 0;
}

.admin-page .grid {
  margin-top: 0;
}

.page-stack {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.page-stack > .hero,
.page-stack > .flash,
.page-stack > .card,
.page-stack > section {
  margin-top: 0;
}

.page-stack .participants {
  margin-top: 0;
}

.page-stack .grid {
  margin-top: 0;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.1rem);
}

.bsru-hero {
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.2rem;
  align-items: center;
  padding: 1.2rem 1.1rem;
  border-radius: 22px;
  border: 1px solid var(--hero-border);
  background: var(--hero-bg);
  position: relative;
  overflow: hidden;
}

.bsru-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.04),
      rgba(255, 255, 255, 0.04) 1px,
      transparent 1px,
      transparent 6px
    );
  opacity: var(--hero-grid-opacity);
  pointer-events: none;
}

.bsru-hero-text {
  position: relative;
  z-index: 1;
}

.bsru-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 204, 0, 0.12);
  border: 1px solid rgba(255, 204, 0, 0.35);
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition: filter 0.2s ease, border-color 0.2s ease;
}

.bsru-chip:hover {
  filter: brightness(1.08);
  border-color: rgba(255, 204, 0, 0.55);
}

.bsru-title {
  margin: 0.65rem 0 0.45rem;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.bsru-subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 560px;
  font-size: 1rem;
}

.hero-actions {
  margin-top: 1rem;
}

.hero-invite--text {
  display: inline-block;
  color: var(--text);
  padding: 0.58rem 0.8rem;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.hero-invite {
  width: auto;
  display: inline-block;
}

.bsru-hero-mascot {
  position: relative;
  z-index: 1;
  width: min(100%, 360px);
  min-width: 0;
  display: grid;
  place-items: center;
}

.mascot-body {
  width: 150px;
  height: 150px;
  background: linear-gradient(180deg, #ffe600 0%, #f7c800 100%);
  border-radius: 28px;
  border: 2px solid rgba(0, 0, 0, 0.35);
  box-shadow:
    0 0 0 8px rgba(255, 204, 0, 0.12),
    0 18px 40px rgba(0, 0, 0, 0.35);
  position: relative;
}

.mascot-face {
  position: absolute;
  top: 55px;
  width: 100px;
  height: 40px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.12);
}

.mascot-face .eye {
  position: absolute;
  top: 10px;
  width: 18px;
  height: 18px;
  background: #0b1020;
  border-radius: 6px;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.08);
}

.mascot-face .eye.left {
  left: 15px;
}

.mascot-face .eye.right {
  right: 15px;
}

.kicker {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.subtitle {
  max-width: 700px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 1rem;
  margin-top: 1.2rem;
}

.grid--single {
  grid-template-columns: 1fr;
  max-width: 640px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  backdrop-filter: blur(6px);
  box-shadow: var(--card-shadow);
}

.form-card,
.info-card,
.participants,
.bracket-card {
  padding: 1.1rem 1.2rem;
}

label {
  display: block;
  font-size: 0.9rem;
  margin-top: 0.8rem;
  color: var(--muted);
}

.team-mode-picker {
  margin-top: 0.35rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.team-size-picker {
  max-width: 16rem;
}

.team-size-picker .mode-btn {
  font-size: 1rem;
  padding: 0.65rem 0.5rem;
}

.mode-btn {
  margin-top: 0;
  width: 100%;
  border-radius: 12px;
  padding: 0.62rem 0.55rem;
  font-size: 0.88rem;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--glass-edge);
  background:
    linear-gradient(125deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.04) 40%, transparent 55%),
    linear-gradient(145deg, var(--glass-highlight) 0%, transparent 42%),
    var(--glass-fill);
  backdrop-filter: blur(22px) saturate(1.2);
  -webkit-backdrop-filter: blur(22px) saturate(1.2);
  color: var(--mode-btn-text);
  font-weight: 600;
  box-shadow:
    0 6px 26px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.07) inset,
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    inset 0 -1px 0 var(--glass-inset-dark);
  transition:
    transform 0.2s ease,
    border-color 0.35s ease,
    box-shadow 0.4s ease,
    background 0.65s ease;
}

.mode-btn:hover {
  transform: translateY(-1px);
  filter: none;
  border-color: var(--glass-edge-hover);
  background:
    linear-gradient(305deg, rgba(255, 255, 255, 0.28) 0%, rgba(255, 255, 255, 0.06) 38%, transparent 52%),
    linear-gradient(325deg, rgba(255, 255, 255, 0.26) 0%, transparent 45%),
    rgba(255, 255, 255, 0.12);
  box-shadow:
    0 8px 30px rgba(0, 0, 0, 0.34),
    0 0 0 1px rgba(173, 216, 230, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.32),
    inset 0 -1px 0 var(--glass-inset-dark);
}

.mode-btn.is-active {
  border-color: rgba(189, 208, 111, 0.55);
  background:
    linear-gradient(125deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.06) 36%, transparent 52%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.28) 0%, transparent 40%),
    linear-gradient(160deg, rgba(184, 200, 122, 0.42) 0%, rgba(149, 168, 98, 0.28) 100%),
    rgba(255, 255, 255, 0.06);
  color: var(--mode-btn-active-text);
  box-shadow:
    0 6px 24px rgba(0, 0, 0, 0.32),
    0 0 28px rgba(189, 208, 111, 0.18),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset,
    inset 0 1px 0 rgba(255, 255, 255, 0.38),
    inset 0 -1px 0 rgba(0, 0, 0, 0.1);
}

.mode-btn.is-active:hover {
  background:
    linear-gradient(305deg, rgba(255, 255, 255, 0.32) 0%, rgba(255, 255, 255, 0.08) 36%, transparent 52%),
    linear-gradient(325deg, rgba(255, 255, 255, 0.3) 0%, transparent 40%),
    linear-gradient(340deg, rgba(184, 200, 122, 0.46) 0%, rgba(149, 168, 98, 0.32) 100%),
    rgba(255, 255, 255, 0.08);
}

input,
select {
  width: 100%;
  margin-top: 0.35rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
  padding: 0.7rem 0.8rem;
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

button {
  margin-top: 1rem;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--glass-edge);
  border-radius: 14px;
  padding: 0.78rem 1rem;
  cursor: pointer;
  font-weight: 700;
  width: 100%;
  color: var(--btn-text);
  background:
    linear-gradient(125deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.05) 38%, transparent 52%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.18) 0%, transparent 46%),
    linear-gradient(180deg, rgba(189, 208, 111, 0.14) 0%, rgba(255, 255, 255, 0.06) 55%, rgba(0, 0, 0, 0.05) 100%),
    var(--glass-fill);
  backdrop-filter: blur(22px) saturate(1.2);
  -webkit-backdrop-filter: blur(22px) saturate(1.2);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.32),
    0 0 0 1px rgba(255, 255, 255, 0.08) inset,
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    inset 0 -1px 0 rgba(0, 0, 0, 0.18);
  transition:
    transform 0.2s ease,
    border-color 0.35s ease,
    box-shadow 0.45s ease,
    background 0.65s ease,
    filter 0.35s ease;
}

button:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  border-color: var(--glass-edge-hover);
  background:
    linear-gradient(305deg, rgba(255, 255, 255, 0.28) 0%, rgba(255, 255, 255, 0.08) 36%, transparent 50%),
    linear-gradient(325deg, rgba(255, 255, 255, 0.24) 0%, transparent 42%),
    linear-gradient(0deg, rgba(189, 208, 111, 0.2) 0%, rgba(255, 255, 255, 0.12) 100%),
    rgba(255, 255, 255, 0.12);
  box-shadow:
    0 12px 36px rgba(0, 0, 0, 0.36),
    0 0 0 1px rgba(173, 216, 230, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.34),
    inset 0 -1px 0 var(--glass-inset-dark);
}

button:focus-visible {
  outline: none;
  box-shadow:
    0 10px 34px rgba(0, 0, 0, 0.36),
    0 0 0 2px rgba(173, 216, 230, 0.45),
    0 0 0 4px var(--focus-outline-bg),
    inset 0 1px 0 rgba(255, 255, 255, 0.26),
    inset 0 -1px 0 var(--glass-inset-dark);
}

/* Вторичная кнопка (например «Выйти»): тонкое стекло */
button.btn-text {
  font-weight: 600;
  background:
    linear-gradient(125deg, rgba(255, 255, 255, 0.12) 0%, transparent 48%),
    var(--glass-fill);
  border-color: rgba(173, 216, 230, 0.32);
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -1px 0 var(--glass-inset-dark);
  transition:
    transform 0.2s ease,
    border-color 0.35s ease,
    box-shadow 0.45s ease,
    background 0.65s ease,
    filter 0.35s ease;
}

button.btn-text:hover {
  filter: brightness(1.04);
  border-color: var(--glass-edge-hover);
  background:
    linear-gradient(305deg, rgba(255, 255, 255, 0.18) 0%, transparent 45%),
    rgba(255, 255, 255, 0.1);
}

/* Блик: два одинаковых полупериода в ряд → движение linear бесконечно без телепорта в точке сброса */
button:not(.btn-danger)::before,
.mode-btn::before,
.theme-btn::before,
.invite-link::before,
.site-nav__menu-btn::before {
  content: "";
  position: absolute;
  left: 0;
  top: -25%;
  width: 200%;
  height: 150%;
  border-radius: inherit;
  background-image:
    linear-gradient(
      100deg,
      transparent 0%,
      transparent 38%,
      rgba(255, 255, 255, 0.08) 44%,
      rgba(255, 255, 255, 0.28) 50%,
      rgba(255, 255, 255, 0.08) 56%,
      transparent 62%,
      transparent 100%
    ),
    linear-gradient(
      100deg,
      transparent 0%,
      transparent 38%,
      rgba(255, 255, 255, 0.08) 44%,
      rgba(255, 255, 255, 0.28) 50%,
      rgba(255, 255, 255, 0.08) 56%,
      transparent 62%,
      transparent 100%
    );
  background-size: 50% 100%, 50% 100%;
  background-position:
    left center,
    right center;
  background-repeat: no-repeat;
  animation: glass-sheen-seamless 2.65s linear infinite;
  pointer-events: none;
  opacity: 0.4;
  transition: opacity 0.45s ease;
  will-change: transform;
}

button.btn-danger::before {
  content: "";
  position: absolute;
  left: 0;
  top: -25%;
  width: 200%;
  height: 150%;
  border-radius: inherit;
  background-image:
    linear-gradient(
      100deg,
      transparent 0%,
      transparent 38%,
      rgba(255, 200, 210, 0.12) 44%,
      rgba(255, 200, 210, 0.38) 50%,
      rgba(255, 200, 210, 0.12) 56%,
      transparent 62%,
      transparent 100%
    ),
    linear-gradient(
      100deg,
      transparent 0%,
      transparent 38%,
      rgba(255, 200, 210, 0.12) 44%,
      rgba(255, 200, 210, 0.38) 50%,
      rgba(255, 200, 210, 0.12) 56%,
      transparent 62%,
      transparent 100%
    );
  background-size: 50% 100%, 50% 100%;
  background-position:
    left center,
    right center;
  background-repeat: no-repeat;
  animation: glass-sheen-seamless 2.65s linear infinite;
  pointer-events: none;
  opacity: 0.38;
  transition: opacity 0.45s ease;
  will-change: transform;
}

button:not(.btn-danger):hover::before,
.mode-btn:hover::before,
.theme-btn:hover::before,
.invite-link:hover::before,
.site-nav__menu-btn:hover::before,
button.btn-danger:hover::before {
  opacity: 0.82;
  animation-duration: 1.95s;
}

.theme-btn.is-active::before {
  opacity: 0.58;
  animation-duration: 2.15s;
}

@media (prefers-reduced-motion: reduce) {
  button:not(.btn-danger)::before,
  button.btn-danger::before,
  .mode-btn::before,
  .theme-btn::before,
  .invite-link::before,
  .site-nav__menu-btn::before {
    animation: none;
    opacity: 0;
  }
}

.mode-btn:focus-visible {
  outline: none;
  box-shadow:
    0 6px 22px rgba(0, 0, 0, 0.32),
    0 0 0 2px rgba(173, 216, 230, 0.45),
    0 0 0 4px var(--focus-outline-bg),
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    inset 0 -1px 0 var(--glass-inset-dark);
}

.hint {
  color: var(--muted);
  font-size: 0.88rem;
}

code {
  background: var(--code-bg);
  border-radius: 7px;
  padding: 0.1rem 0.4rem;
  color: var(--code-text);
}

.info-card ol {
  margin: 0.4rem 0 1rem 1rem;
  padding: 0;
  color: var(--muted);
}

.info-card li {
  margin-bottom: 0.55rem;
}

.invite-link {
  position: relative;
  display: inline-block;
  overflow: hidden;
  isolation: isolate;
  text-decoration: none;
  color: var(--mode-btn-active-text);
  border-radius: 12px;
  padding: 0.58rem 0.85rem;
  font-weight: 700;
  border: 1px solid rgba(189, 208, 111, 0.48);
  background:
    linear-gradient(125deg, rgba(255, 255, 255, 0.38) 0%, rgba(255, 255, 255, 0.08) 38%, transparent 54%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.35) 0%, transparent 42%),
    linear-gradient(160deg, rgba(189, 208, 111, 0.55) 0%, rgba(149, 168, 98, 0.4) 100%),
    rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(22px) saturate(1.15);
  -webkit-backdrop-filter: blur(22px) saturate(1.15);
  box-shadow:
    0 6px 26px rgba(0, 0, 0, 0.28),
    0 0 0 1px rgba(255, 255, 255, 0.12) inset,
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 -1px 0 rgba(0, 0, 0, 0.1);
  transition:
    transform 0.2s ease,
    border-color 0.35s ease,
    box-shadow 0.45s ease,
    background 0.65s ease;
}

.invite-link:hover {
  transform: translateY(-1px);
  border-color: rgba(210, 230, 140, 0.72);
  background:
    linear-gradient(305deg, rgba(255, 255, 255, 0.42) 0%, rgba(255, 255, 255, 0.1) 38%, transparent 54%),
    linear-gradient(325deg, rgba(255, 255, 255, 0.38) 0%, transparent 42%),
    linear-gradient(340deg, rgba(189, 208, 111, 0.58) 0%, rgba(149, 168, 98, 0.44) 100%),
    rgba(255, 255, 255, 0.1);
  box-shadow:
    0 8px 30px rgba(0, 0, 0, 0.32),
    0 0 28px rgba(189, 208, 111, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    inset 0 -1px 0 rgba(0, 0, 0, 0.08);
}

.participants {
  margin-top: 1rem;
}

.players-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.85rem;
  margin-top: 0.9rem;
}

.player-card {
  display: flex;
  gap: 0.85rem;
  margin-top: 0;
  padding: 0.85rem 0.9rem;
  border-radius: 14px;
  border: 1px solid var(--glass-edge);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12) 0%, transparent 48%),
    var(--glass-fill);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow:
    0 4px 18px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -1px 0 var(--glass-inset-dark);
  text-decoration: none;
  color: inherit;
  font: inherit;
  text-align: left;
  width: 100%;
  transition:
    transform 0.2s ease,
    border-color 0.3s ease,
    background 0.6s ease,
    box-shadow 0.35s ease;
  cursor: pointer;
}

.player-card:hover {
  transform: translateY(-1px);
  border-color: var(--glass-edge-hover);
  background:
    linear-gradient(325deg, rgba(255, 255, 255, 0.18) 0%, transparent 45%),
    rgba(255, 255, 255, 0.1);
  box-shadow:
    0 6px 22px rgba(0, 0, 0, 0.28),
    0 0 0 1px rgba(173, 216, 230, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -1px 0 var(--glass-inset-dark);
}

.player-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(189, 208, 111, 0.25);
  box-shadow: 0 0 0 6px rgba(189, 208, 111, 0.06);
  flex: 0 0 auto;
}

.player-body {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.player-name-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.player-name {
  font-weight: 800;
  letter-spacing: 0.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-sub {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(216, 255, 39, 0.12);
  background: rgba(216, 255, 39, 0.06);
  font-size: 0.82rem;
  color: #dfeea8;
}

.meta-pill--muted {
  border-color: rgba(189, 208, 111, 0.18);
  background: rgba(189, 208, 111, 0.06);
  color: var(--muted);
}

.player-tag {
  color: var(--muted);
  font-size: 0.86rem;
}

.player-card--nitro {
  border-color: rgba(216, 255, 39, 0.5);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.14) 0%, transparent 45%),
    linear-gradient(180deg, rgba(216, 255, 39, 0.12) 0%, rgba(255, 255, 255, 0.04) 100%),
    var(--glass-fill);
  box-shadow:
    0 4px 22px rgba(0, 0, 0, 0.28),
    0 0 28px rgba(216, 255, 39, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    inset 0 -1px 0 var(--glass-inset-dark);
}

.nitro-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  background: rgba(216, 255, 39, 0.14);
  border: 1px solid rgba(216, 255, 39, 0.38);
  color: #eaff93;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.3px;
}

.profile-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 50;
}

.profile-modal.hidden {
  display: none;
}

.profile-modal__overlay {
  position: absolute;
  inset: 0;
  background: var(--modal-overlay);
}

.profile-modal__content {
  position: relative;
  width: min(900px, min(96vw, 100% - 2rem));
  max-height: min(90vh, 100dvh - 2rem);
  overflow: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--modal-bg);
  padding: 0 1rem 1rem;
  box-shadow: var(--card-shadow);
}

.profile-modal__close {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  width: auto;
  margin-top: 0;
  padding: 0.35rem 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--glass-edge);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.18) 0%, transparent 45%),
    var(--glass-fill);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  color: var(--btn-text);
  box-shadow:
    0 4px 14px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transition:
    border-color 0.35s ease,
    box-shadow 0.45s ease,
    background 0.65s ease;
}

.profile-modal__close:hover {
  border-color: var(--glass-edge-hover);
  background:
    linear-gradient(325deg, rgba(255, 255, 255, 0.24) 0%, transparent 42%),
    rgba(255, 255, 255, 0.12);
}

.profile-banner {
  height: 140px;
  border-radius: 12px;
  margin-top: 2rem;
  background:
    radial-gradient(circle at 20% 20%, rgba(189, 208, 111, 0.18) 0%, rgba(0, 0, 0, 0) 50%),
    linear-gradient(120deg, rgba(106, 64, 185, 0.55) 0%, rgba(41, 17, 76, 0.75) 60%, rgba(8, 10, 12, 0.9) 100%);
}

.profile-head {
  margin-top: -35px;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.profile-avatar-large {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  border: 4px solid rgba(23, 28, 39, 0.95);
  object-fit: cover;
}

.profile-name {
  margin: 0;
  font-size: 1.35rem;
}

.profile-team {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

.profile-activity-card {
  margin-top: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.65rem 0.75rem;
  background: var(--surface-1);
}

.stream-card {
  margin-top: 1rem;
  padding: 1rem 1.2rem;
}

.hero-video {
  display: block;
  width: 100%;
  max-width: 360px;
  height: auto;
  border-radius: 14px;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(189, 208, 111, 0.2);
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.45);
}

.stream-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #14170a;
  background: linear-gradient(130deg, #d9ea91 0%, #a8bd64 100%);
}

.stream-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
}

.stream-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.72rem 0.76rem;
  background: var(--surface-1);
}

.stream-wide {
  grid-column: 1 / -1;
}

.stream-label {
  margin: 0 0 0.3rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.stream-value {
  margin: 0;
  color: var(--text);
}

.announced-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.announced-pill {
  display: inline-block;
  padding: 0.24rem 0.58rem;
  border-radius: 999px;
  border: 1px solid rgba(189, 208, 111, 0.35);
  background: rgba(189, 208, 111, 0.12);
  color: var(--announce-pill-text);
  font-size: 0.82rem;
}

.bracket-card {
  margin-top: 1rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 0.7rem;
  border-bottom: 1px solid var(--border);
}

th {
  color: #c2d280;
}

.flash {
  margin-top: 1rem;
  padding: 0.8rem 0.9rem;
  border-radius: 12px;
  border: 1px solid transparent;
}

.flash.success {
  background: rgba(189, 208, 111, 0.1);
  border-color: rgba(189, 208, 111, 0.45);
}

.flash.error {
  background: rgba(255, 92, 124, 0.12);
  border-color: rgba(255, 92, 124, 0.42);
}

.bracket {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  align-items: start;
}

.bracket .round {
  border: 1px solid rgba(189, 208, 111, 0.18);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  background: rgba(0, 0, 0, 0.28);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.round h3 {
  margin-top: 0;
  color: #c2d280;
}

.bracket .match {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  margin-bottom: 0.5rem;
  background: rgba(0, 0, 0, 0.2);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 0.75rem;
  align-items: center;
}

.bracket .match div + div {
  border-top: none;
  border-left: 1px dashed rgba(189, 208, 111, 0.22);
  margin-top: 0;
  padding-top: 0;
  padding-left: 0.65rem;
}

.bracket .match div:first-child {
  padding-right: 0.25rem;
}

.narrow {
  width: min(540px, 92%);
}

.spaced-form {
  margin-top: 0.7rem;
}

.admin-tournament-item {
  border-top: 1px solid var(--border);
  padding-top: 0.7rem;
  margin-top: 0.7rem;
}

.mini-link {
  color: #c2d280;
  text-decoration: none;
  margin-right: 0.5rem;
}

.admin-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}

.admin-player {
  padding: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.admin-page select,
.admin-player select {
  width: 100%;
  max-width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem 2rem 0.5rem 0.65rem;
  border-radius: 10px;
  border: 1px solid rgba(189, 208, 111, 0.4);
  background-color: #12151c;
  background-image: linear-gradient(135deg, rgba(189, 208, 111, 0.08) 0%, transparent 55%);
  color: #eef1f5;
  color-scheme: dark;
  accent-color: #b4c96a;
  cursor: pointer;
  box-sizing: border-box;
  appearance: auto;
}

.admin-page select:focus-visible,
.admin-player select:focus-visible {
  outline: 2px solid rgba(189, 208, 111, 0.45);
  outline-offset: 1px;
}

/* Пункты списка (где браузер позволяет) */
.admin-page select option,
.admin-player select option {
  background-color: #12151c;
  color: #eef1f5;
}

.admin-page select option:checked,
.admin-player select option:checked {
  background-color: #1e2430;
  color: #d6e28f;
}

[data-theme="light"] .admin-page select,
[data-theme="light"] .admin-player select {
  background-color: #fff;
  background-image: none;
  color: #111;
  color-scheme: light;
  accent-color: #6b7c2e;
}

[data-theme="light"] .admin-page select option,
[data-theme="light"] .admin-player select option {
  background-color: #fff;
  color: #111;
}

[data-theme="light"] .admin-page select option:checked,
[data-theme="light"] .admin-player select option:checked {
  background-color: #f0f4e8;
  color: #111;
}

.admin-player-delete {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(189, 208, 111, 0.15);
}

.admin-player-delete button {
  width: 100%;
  margin-top: 0;
}

.tournament-delete-form {
  margin-top: 0.5rem;
}

.admin-stream-section h2 {
  margin-bottom: 0.15rem;
}

.admin-stream-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
  align-items: start;
}

.admin-stream-panel {
  border: 1px solid rgba(189, 208, 111, 0.22);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  background: rgba(0, 0, 0, 0.24);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 8px 24px rgba(0, 0, 0, 0.2);
}

.admin-subheading {
  margin: 0 0 0.85rem;
  font-size: 1.02rem;
  font-weight: 700;
  color: #c2d280;
}

.admin-stream-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

button.btn-danger {
  border-color: rgba(255, 150, 170, 0.55);
  color: #fff5f7;
  background:
    linear-gradient(125deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.04) 40%, transparent 52%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.2) 0%, transparent 42%),
    linear-gradient(165deg, rgba(255, 92, 124, 0.45) 0%, rgba(190, 26, 55, 0.32) 100%),
    rgba(255, 60, 90, 0.12);
  backdrop-filter: blur(22px) saturate(1.15);
  -webkit-backdrop-filter: blur(22px) saturate(1.15);
  box-shadow:
    0 8px 30px rgba(120, 20, 45, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset,
    inset 0 1px 0 rgba(255, 255, 255, 0.24),
    inset 0 -1px 0 rgba(0, 0, 0, 0.22);
  transition:
    transform 0.2s ease,
    border-color 0.35s ease,
    box-shadow 0.45s ease,
    background 0.65s ease,
    filter 0.35s ease;
}

button.btn-danger:hover {
  filter: brightness(1.08);
  border-color: rgba(255, 180, 195, 0.65);
  background:
    linear-gradient(305deg, rgba(255, 255, 255, 0.26) 0%, transparent 45%),
    linear-gradient(325deg, rgba(255, 255, 255, 0.26) 0%, transparent 40%),
    linear-gradient(345deg, rgba(255, 92, 124, 0.55) 0%, rgba(190, 26, 55, 0.4) 100%),
    rgba(255, 60, 90, 0.18);
  box-shadow:
    0 10px 34px rgba(140, 24, 52, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    inset 0 -1px 0 rgba(0, 0, 0, 0.2);
}

.faq-box {
  margin-top: 0.9rem;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  border: 1px solid rgba(189, 208, 111, 0.2);
  background: rgba(189, 208, 111, 0.05);
}

.faq-box h3 {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
  color: #cdd995;
}

.faq-box ul {
  margin: 0;
  padding-left: 1rem;
  color: var(--muted);
}

.tournament-delete-form button {
  width: auto;
  padding: 0.55rem 0.85rem;
  font-size: 0.9rem;
}

.announced-admin-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.45rem;
}

.checkbox-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(189, 208, 111, 0.28);
  background: rgba(189, 208, 111, 0.08);
  color: var(--text);
  font-size: 0.82rem;
}

.checkbox-pill input {
  width: auto;
  margin: 0;
}

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

.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1rem;
  margin-top: 0;
  width: min(1100px, 92%);
  max-width: 100%;
  padding: 0.55rem 0.75rem;
  padding-top: max(0.55rem, env(safe-area-inset-top, 0px));
  padding-left: max(0.75rem, env(safe-area-inset-left, 0px));
  padding-right: max(0.75rem, env(safe-area-inset-right, 0px));
  border-radius: 14px;
  border: 1px solid var(--glass-edge);
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
  transition: margin-top 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Отступ от верха окна только пока страница у самого верха; при скролле класс снимает script */
.site-nav.site-nav--at-top {
  margin-top: 0.75rem;
}

.site-nav__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "brand menu" "panel panel";
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.site-nav__brand {
  grid-area: brand;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.site-nav__menu-btn {
  position: relative;
  grid-area: menu;
  justify-self: end;
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0;
  padding: 0;
  border-radius: 12px;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--glass-edge);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.16) 0%, transparent 50%),
    var(--theme-toggle-bg),
    var(--glass-fill);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  cursor: pointer;
  color: var(--text);
  box-shadow:
    0 4px 18px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    inset 0 -1px 0 rgba(0, 0, 0, 0.12);
  transition:
    border-color 0.35s ease,
    box-shadow 0.45s ease,
    background 0.65s ease,
    filter 0.3s ease;
}

.site-nav__menu-btn:hover {
  border-color: var(--glass-edge-hover);
  background:
    linear-gradient(315deg, rgba(255, 255, 255, 0.22) 0%, transparent 52%),
    var(--surface-2);
  box-shadow:
    0 6px 22px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    inset 0 -1px 0 rgba(0, 0, 0, 0.1);
}

.site-nav__burger {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  box-shadow:
    0 -7px 0 currentColor,
    0 7px 0 currentColor;
}

.site-nav__panel {
  grid-area: panel;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem 1rem;
}

.site-nav__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  justify-content: flex-end;
}

.site-nav__link {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.45rem 0.65rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.site-nav__link:hover {
  color: var(--text);
  border-color: rgba(173, 216, 230, 0.25);
  background: var(--surface-2);
}

.site-nav__link.is-active {
  color: var(--btn-text);
  border-color: var(--glass-edge);
  background: var(--surface-2);
}

.site-nav__logout-wrap {
  display: inline-flex;
  margin: 0;
  padding: 0;
  align-items: center;
}

.site-nav__link--logout {
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  background: transparent;
  border: 1px solid transparent;
  width: auto;
  margin: 0;
}

.site-nav__link--host {
  color: #6b9fd4;
}

[data-theme="light"] .site-nav__link--host {
  color: #2563b8;
}

@media (prefers-color-scheme: light) {
  [data-theme="system"] .site-nav__link--host {
    color: #2563b8;
  }
}

.theme-toggle {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
}

.theme-toggle__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.theme-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin: 0;
  width: auto;
  min-height: 40px;
  padding: 0.35rem 0.55rem;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 11px;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--glass-edge);
  background:
    linear-gradient(125deg, rgba(255, 255, 255, 0.16) 0%, transparent 45%),
    var(--theme-toggle-bg),
    var(--glass-fill);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  color: var(--muted);
  cursor: pointer;
  box-shadow:
    0 4px 16px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    inset 0 -1px 0 rgba(0, 0, 0, 0.1);
  transition:
    background 0.65s ease,
    border-color 0.35s ease,
    color 0.25s ease,
    box-shadow 0.45s ease,
    transform 0.2s ease;
}

.theme-btn:hover {
  color: var(--text);
  border-color: var(--glass-edge-hover);
  background:
    linear-gradient(305deg, rgba(255, 255, 255, 0.22) 0%, transparent 42%),
    var(--surface-2);
  box-shadow:
    0 6px 20px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.26),
    inset 0 -1px 0 var(--glass-inset-dark);
}

.theme-btn.is-active {
  color: var(--mode-btn-active-text);
  border-color: rgba(189, 208, 111, 0.55);
  background:
    linear-gradient(125deg, rgba(255, 255, 255, 0.24) 0%, transparent 40%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.22) 0%, transparent 42%),
    linear-gradient(160deg, rgba(184, 200, 122, 0.35) 0%, rgba(149, 168, 98, 0.22) 100%),
    var(--glass-fill);
  box-shadow:
    0 4px 18px rgba(0, 0, 0, 0.22),
    0 0 20px rgba(189, 208, 111, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.32),
    inset 0 -1px 0 rgba(0, 0, 0, 0.08);
}

.theme-btn.is-active:hover {
  background:
    linear-gradient(305deg, rgba(255, 255, 255, 0.28) 0%, transparent 40%),
    linear-gradient(325deg, rgba(255, 255, 255, 0.26) 0%, transparent 42%),
    linear-gradient(340deg, rgba(184, 200, 122, 0.42) 0%, rgba(149, 168, 98, 0.28) 100%),
    var(--glass-fill);
}

.theme-btn__icon {
  font-size: 1rem;
  line-height: 1;
  position: relative;
  z-index: 1;
}

.theme-btn__text {
  position: relative;
  z-index: 1;
}

.theme-toolbar-floating {
  position: fixed;
  top: max(0.5rem, env(safe-area-inset-top, 0px));
  right: max(0.5rem, env(safe-area-inset-right, 0px));
  z-index: 50;
  padding: 0.5rem 0.65rem;
  border-radius: 14px;
  border: 1px solid var(--theme-toggle-border);
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--card-shadow);
  max-width: min(100vw - 1rem, 340px);
}

.theme-toolbar-floating .theme-toggle {
  flex-direction: column;
  align-items: stretch;
}

.theme-toolbar-floating .theme-toggle__buttons {
  justify-content: center;
}

@media (max-width: 900px) {
  .site-nav__menu-btn {
    display: inline-flex;
  }

  .site-nav__panel {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 0.35rem;
    border-top: 1px solid var(--border);
  }

  .site-nav--open .site-nav__panel {
    display: flex;
  }

  .site-nav__links {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav__link {
    justify-content: center;
  }

  .theme-toggle {
    flex-direction: column;
    align-items: stretch;
    padding: 0.35rem 0;
  }

  .theme-toggle__buttons {
    justify-content: stretch;
  }

  .theme-btn {
    flex: 1 1 auto;
    min-width: 0;
  }

  .theme-btn__text {
    flex: 1;
    text-align: center;
  }
}

@media (min-width: 901px) {
  .site-nav__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
  }

  .site-nav__menu-btn {
    display: none;
  }

  .site-nav__panel {
    display: flex !important;
    flex: 1;
    justify-content: flex-end;
    min-width: 0;
    padding-top: 0;
    border-top: none;
  }
}

.home-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.75rem;
}

.register-done-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.invite-link--secondary {
  background:
    linear-gradient(125deg, rgba(255, 255, 255, 0.2) 0%, transparent 46%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.14) 0%, transparent 48%),
    rgba(255, 255, 255, 0.07);
  color: var(--btn-text);
  border-color: var(--glass-edge);
}

.invite-link--secondary:hover {
  background:
    linear-gradient(305deg, rgba(255, 255, 255, 0.26) 0%, transparent 46%),
    linear-gradient(325deg, rgba(255, 255, 255, 0.2) 0%, transparent 48%),
    rgba(255, 255, 255, 0.11);
}

.tournament-pick-form {
  margin: 0.75rem 0 1rem;
}

.tournament-pick-form select {
  max-width: 100%;
}

.bracket-live {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
  align-items: start;
}

.bracket-round {
  border: 1px solid rgba(189, 208, 111, 0.18);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  background: var(--panel-surface);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.bracket-round h3 {
  margin: 0 0 0.6rem;
  color: #c2d280;
}

.bracket-match {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.75rem 0.85rem;
  margin-bottom: 0.55rem;
  background: rgba(0, 0, 0, 0.2);
}

.bracket-match--done {
  border-color: rgba(189, 208, 111, 0.35);
}

.bracket-slot {
  padding: 0.35rem 0;
}

.bracket-slot.is-winner .bracket-name {
  color: var(--accent);
  font-weight: 800;
}

.bracket-vs {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0.2rem 0;
}

.bracket-winner-line {
  margin: 0.5rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.bracket-meta {
  font-size: 0.78rem;
  opacity: 0.85;
}

.bracket-pending {
  margin: 0.45rem 0 0;
  font-size: 0.85rem;
  color: #c8d891;
}

.host-page {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.host-dashboard-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.host-top-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 340px);
  gap: 1.25rem 1.5rem;
  align-items: start;
}

.host-tournament-box {
  border: 1px solid rgba(189, 208, 111, 0.28);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  background: rgba(189, 208, 111, 0.06);
}

.host-tournament-box .tournament-pick-form {
  margin: 0;
}

.host-tournament-box label {
  margin-top: 0;
}

.host-tournament-box select {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem 0.65rem;
  border-radius: 10px;
  border: 1px solid rgba(189, 208, 111, 0.35);
  background: rgba(0, 0, 0, 0.35);
  color: var(--text);
  color-scheme: dark;
}

[data-theme="light"] .host-tournament-box select {
  background: #fff;
  color: #111;
  color-scheme: light;
}

.host-intro {
  margin-top: 0.5rem;
}

/* Общая оболочка секций ведущего (участники / пары) */
.host-participants,
.host-pairs-panel {
  border: 1px solid rgba(189, 208, 111, 0.22);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  background: rgba(0, 0, 0, 0.2);
}

.host-participants__title {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
  color: #c2d280;
}

.host-participant-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.host-participant-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  padding: 0.45rem 0.6rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.host-participant-list__name {
  font-weight: 600;
}

.host-participant-list__tag {
  font-size: 0.85rem;
  opacity: 0.92;
}

.host-empty-msg--soft {
  border-style: solid;
  border-color: rgba(189, 208, 111, 0.22);
}

.host-empty-msg {
  margin: 0;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px dashed rgba(189, 208, 111, 0.28);
  color: var(--muted);
  background: rgba(0, 0, 0, 0.22);
}

.host-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.host-logout-form {
  margin: 0;
}

.host-logout-form button {
  width: auto;
  margin: 0;
  padding: 0.45rem 0.75rem;
  font-size: 0.88rem;
}

.host-matches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 1rem;
  margin-top: 0;
}

.host-match {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  height: 100%;
  margin: 0;
  padding: 0.85rem 1rem;
}

.host-match-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.5rem 0.65rem;
  align-items: center;
  margin-bottom: 0;
}

.host-match-row > span:first-of-type {
  text-align: left;
}

.host-match-row > span:last-of-type {
  text-align: right;
}

.host-vs {
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.host-result-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.host-result-form button {
  width: auto;
  margin: 0;
  font-size: 0.86rem;
  padding: 0.55rem 0.65rem;
}

.admin-subheading--spaced {
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.admin-hosts-empty {
  margin: 0.25rem 0 0;
}

.admin-hosts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.85rem;
  margin-top: 0.65rem;
}

.admin-host-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  background: var(--surface-1);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.admin-host-card__name {
  margin: 0;
  font-weight: 800;
  color: var(--text);
}

.admin-host-card__meta {
  margin: 0.25rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.admin-host-delete-form {
  margin: 0;
}

.admin-host-delete-form button {
  margin-top: 0;
  width: 100%;
  font-size: 0.88rem;
  padding: 0.55rem 0.75rem;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .team-mode-picker:not(.team-size-picker) {
    grid-template-columns: 1fr;
  }

  .bsru-hero {
    grid-template-columns: 1fr;
  }

  .bsru-hero-mascot {
    justify-self: start;
  }

  .stream-grid {
    grid-template-columns: 1fr;
  }

  .admin-stream-grid {
    grid-template-columns: 1fr;
  }

  .host-top-grid {
    grid-template-columns: 1fr;
  }

  .admin-stream-two {
    grid-template-columns: 1fr;
  }

  .bracket .match {
    grid-template-columns: 1fr;
  }

  .bracket .match div + div {
    border-left: none;
    border-top: 1px dashed rgba(189, 208, 111, 0.22);
    padding-left: 0;
    padding-top: 0.45rem;
    margin-top: 0.15rem;
  }
}

@media (max-width: 520px) {
  .host-result-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(1100px, 94%);
    margin: 22px auto 44px;
  }

  .page-stack {
    gap: 1.35rem;
  }

  .admin-page {
    gap: 1.35rem;
  }

  .bsru-hero {
    padding: 1rem 0.85rem;
    gap: 1rem;
  }

  .bsru-hero-mascot {
    width: min(100%, 360px);
    justify-self: center;
  }

  .hero-video {
    max-width: 100%;
    max-height: min(50vh, 420px);
    object-fit: contain;
  }

  .form-card,
  .info-card,
  .participants,
  .bracket-card {
    padding: 1rem 0.95rem;
  }

  .theme-toolbar-floating {
    top: auto;
    bottom: max(0.65rem, env(safe-area-inset-bottom, 0px));
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    max-width: calc(100vw - 1rem);
  }

  body:has(.theme-toolbar-floating) main {
    padding-bottom: 4.5rem;
  }
}