:root {
  --bg: #0d0b0b;
  --panel: #191514;
  --ink: #f2eee7;
  --muted: #a99c90;
  --line: #3a302d;
  --accent: #b51f24;
  --accent-dark: #ff4a39;
  --green: #0f7a59;
  --amber: #b8872d;
  --blue: #536da8;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 12%, rgba(181, 31, 36, 0.34), transparent 26%),
    radial-gradient(circle at 86% 18%, rgba(184, 135, 45, 0.18), transparent 24%),
    linear-gradient(135deg, rgba(7, 6, 6, 0.96), rgba(33, 21, 18, 0.92)),
    repeating-linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.045) 0,
      rgba(255, 255, 255, 0.045) 1px,
      transparent 1px,
      transparent 22px
    );
  background-color: var(--bg);
  color: var(--ink);
  font-family: "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
}

.app-shell {
  display: grid;
  grid-template-columns: 272px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 26px;
  padding: 28px 18px;
  background: rgba(14, 12, 12, 0.94);
  border-right: 1px solid rgba(255, 74, 57, 0.14);
  backdrop-filter: blur(12px);
}

.brand,
.user-chip,
.player-row,
.table-row,
.metric,
.ops-card,
.event-log {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  padding: 0 8px;
}

.brand-mark,
.avatar {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: linear-gradient(135deg, #050505, #7a171b);
  color: #f8eee1;
  font-weight: 800;
}

.brand strong,
.user-chip strong {
  display: block;
  font-size: 16px;
}

.brand span,
.user-chip span,
.side-note,
.section-head p,
.apply-panel p,
.notice-main p,
.game-detail p,
.metric span,
.ops-card p,
.event-log li {
  color: var(--muted);
}

.brand span,
.user-chip span {
  font-size: 12px;
}

.nav-list {
  display: grid;
  gap: 8px;
}

button {
  border: 0;
  font: inherit;
  cursor: pointer;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border-radius: 8px;
  background: transparent;
  color: #c5b8aa;
  font-weight: 700;
  text-align: left;
}

.nav-item.active,
.nav-item:hover {
  background: linear-gradient(135deg, #8f171d, #171010);
  color: #fff8ef;
  box-shadow: inset 0 0 0 1px rgba(255, 204, 122, 0.18);
}

[data-icon] {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
}

.side-note {
  margin-top: auto;
  padding: 14px;
  border: 1px solid rgba(255, 74, 57, 0.22);
  border-radius: 8px;
  background: #151110;
  font-size: 13px;
  font-weight: 700;
}

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--green);
}

.main {
  min-width: 0;
  padding: 34px;
  background:
    linear-gradient(180deg, rgba(15, 12, 12, 0.86), rgba(24, 17, 15, 0.9)),
    radial-gradient(circle at 50% 0, rgba(181, 31, 36, 0.15), transparent 42%);
  backdrop-filter: blur(4px);
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 6px;
  font-size: 26px;
}

h3 {
  margin-bottom: 8px;
}

.user-chip {
  gap: 10px;
  min-width: 178px;
  padding: 10px;
  border: 1px solid rgba(255, 74, 57, 0.2);
  border-radius: 8px;
  background: linear-gradient(135deg, #1c1715, #120f0f);
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.segmented {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #120f0f;
}

.segmented button {
  min-width: 62px;
  height: 34px;
  border-radius: 6px;
  background: transparent;
  font-weight: 800;
  color: var(--muted);
}

.segmented .selected {
  background: var(--accent);
  color: #fff;
}

.match-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.match-card,
.apply-panel,
.auth-panel,
.my-applications,
.admin-login-panel,
.admin-create-form,
.notice-main,
.ranking-table,
.game-detail,
.metric,
.ops-card {
  border: 1px solid rgba(255, 74, 57, 0.13);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(35, 29, 27, 0.98), rgba(20, 16, 15, 0.98));
  box-shadow: var(--shadow);
}

.match-card {
  min-height: 152px;
  padding: 16px;
}

.match-card.empty-state {
  display: grid;
  align-content: center;
  grid-column: 1 / -1;
}

.match-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.slots {
  display: flex;
  gap: 6px;
  margin: 14px 0;
}

.slot {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px dashed #6b5a52;
  background: #100d0d;
}

.slot.filled {
  border-style: solid;
  background: linear-gradient(135deg, #b8872d, #7b171c);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.waiting {
  background: var(--amber);
}

.confirmed {
  background: var(--green);
}

.refunding {
  background: #717171;
}

.revealed-pill {
  background: var(--blue);
}

.auth-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.auth-panel,
.member-card {
  padding: 16px;
}

.auth-tabs {
  display: inline-flex;
  padding: 4px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #100d0d;
}

.auth-tabs button {
  min-width: 92px;
  height: 34px;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
}

.auth-tabs .selected {
  background: var(--ink);
  color: #fff;
}

.auth-form {
  display: none;
}

.auth-form.active {
  display: grid;
  gap: 12px;
}

.member-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 100%;
  border-radius: 8px;
  background: linear-gradient(135deg, #1a1413, #251b18);
}

.member-card h3 {
  margin-top: 10px;
}

.member-card p {
  margin-bottom: 0;
}

.apply-panel {
  display: grid;
  grid-template-columns: 1.3fr repeat(4, minmax(130px, 1fr)) auto;
  gap: 12px;
  align-items: end;
  padding: 16px;
}

.apply-panel.compact {
  grid-template-columns: 1fr;
}

.my-applications {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
  padding: 16px;
}

.my-applications-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.my-applications-head p {
  margin-bottom: 0;
}

.my-application-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.my-application-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 14px;
  border-radius: 8px;
  background: #120f0f;
}

.my-application-item div {
  display: grid;
  gap: 6px;
}

.my-application-item button {
  flex: 0 0 auto;
}

.my-application-item span {
  color: var(--muted);
  font-size: 13px;
}

label {
  display: grid;
  gap: 7px;
  color: #4b4740;
  font-size: 13px;
  font-weight: 800;
}

input,
select {
  width: 100%;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: #120f0f;
  color: var(--ink);
  font: inherit;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  border-radius: 8px;
  font-weight: 800;
}

.primary-button {
  padding: 0 18px;
  background: linear-gradient(135deg, #cf2a2f, #761317);
  color: #fff;
  box-shadow: 0 10px 24px rgba(181, 31, 36, 0.22);
}

.secondary-button {
  padding: 0 14px;
  border: 1px solid var(--line);
  background: #14100f;
  color: var(--ink);
}

.bank-guide {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  border: 1px solid rgba(231, 185, 87, 0.35);
  border-radius: 8px;
  background: rgba(231, 185, 87, 0.08);
}

.bank-guide strong {
  color: var(--ink);
  font-size: 0.95rem;
}

.bank-guide span {
  color: var(--gold);
  font-weight: 800;
}

.bank-guide small {
  color: var(--muted);
  line-height: 1.5;
}

.inline-action {
  margin-left: 8px;
  padding: 5px 8px;
  border: 1px solid rgba(231, 185, 87, 0.42);
  border-radius: 6px;
  background: rgba(231, 185, 87, 0.12);
  color: var(--gold);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  cursor: pointer;
}

button:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.notice-board,
.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.notice-main {
  padding: 20px;
}

.notice-main h3 {
  margin-top: 14px;
  font-size: 24px;
}

.player-row {
  justify-content: space-between;
  margin-top: 18px;
  padding: 14px;
  border-radius: 8px;
  background: #120f0f;
  font-weight: 800;
}

.notice-action {
  margin-top: 14px;
}

.ranking-table {
  overflow: hidden;
}

.table-row {
  display: grid;
  grid-template-columns: 70px minmax(140px, 1fr) 120px 90px 100px;
  gap: 12px;
  min-height: 58px;
  padding: 0 18px;
  border-top: 1px solid var(--line);
}

.table-head {
  min-height: 48px;
  border-top: 0;
  background: linear-gradient(135deg, #070606, #531216);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.rank-badge {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: #2d211d;
  font-weight: 800;
}

.game-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 16px;
}

.game-list {
  display: grid;
  gap: 10px;
}

.game-card {
  display: block;
  width: 100%;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #181312;
  color: var(--ink);
  text-align: left;
}

.game-card.active {
  border-color: var(--ink);
  box-shadow: inset 4px 0 0 var(--accent);
}

.game-card strong {
  display: block;
  margin-bottom: 6px;
}

.game-card span {
  color: var(--muted);
  font-size: 13px;
}

.game-detail {
  min-height: 390px;
  padding: 24px;
}

.rule-list {
  display: grid;
  gap: 10px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.rule-list li {
  padding: 12px 14px;
  border-radius: 8px;
  background: #120f0f;
}

.admin-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 16px;
}

.admin-login-panel {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(220px, 0.8fr) auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 16px;
  padding: 16px;
}

.admin-login-panel p {
  margin-bottom: 0;
}

.admin-session {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 74, 57, 0.13);
  border-radius: 8px;
  background: #120f0f;
}

.admin-create-form {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) repeat(3, minmax(150px, 0.7fr)) auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 16px;
  padding: 16px;
}

.admin-create-form p {
  margin-bottom: 0;
}

.metric {
  justify-content: space-between;
  min-height: 94px;
  padding: 18px;
}

.metric strong {
  font-size: 30px;
}

.ops-list {
  display: grid;
  gap: 12px;
}

.ops-card {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.ops-card h3 {
  margin-bottom: 4px;
}

.ops-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.ops-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.ops-actions select {
  width: 150px;
}

.participant-list {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #100d0d;
}

.participant-head,
.participant-row {
  display: grid;
  grid-template-columns: minmax(90px, 1fr) minmax(120px, 1.2fr) minmax(70px, 0.7fr) minmax(72px, 0.7fr);
  gap: 10px;
  align-items: center;
}

.participant-head {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.participant-row {
  min-height: 34px;
  padding-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.participant-row.cancelled {
  opacity: 0.72;
}

.participant-row.cancelled strong {
  text-decoration: line-through;
}

.participant-row span,
.participant-empty {
  color: var(--muted);
  font-size: 13px;
}

.message-preview {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid rgba(255, 74, 57, 0.16);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(181, 31, 36, 0.12), rgba(16, 13, 13, 0.96));
}

.message-preview > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.message-preview > div > div:first-child {
  display: grid;
  gap: 4px;
}

.message-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.message-actions button {
  height: 36px;
}

.message-preview span {
  color: var(--amber);
  font-size: 12px;
  font-weight: 800;
}

.message-preview p {
  margin-bottom: 0;
  color: var(--ink);
  line-height: 1.55;
}

.event-log {
  display: block;
  margin-top: 16px;
  padding: 18px;
  border: 1px solid rgba(226, 222, 214, 0.9);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.event-log ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  transform: translateY(18px);
  opacity: 0;
  pointer-events: none;
  max-width: min(360px, calc(100vw - 48px));
  padding: 14px 16px;
  border-radius: 8px;
  background: #070606;
  color: #fff;
  box-shadow: var(--shadow);
  transition: 180ms ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 5;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    overflow: hidden;
    padding: 14px;
  }

  .brand {
    min-width: 196px;
  }

  .nav-list {
    display: flex;
    overflow-x: auto;
    min-width: 0;
    padding-bottom: 2px;
  }

  .nav-item {
    flex: 0 0 auto;
    width: auto;
    white-space: nowrap;
  }

  .side-note {
    display: none;
  }

  .match-grid,
  .admin-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .my-application-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .apply-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .apply-panel.compact {
    grid-template-columns: 1fr;
  }

  .admin-create-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 760px) {
  .sidebar {
    grid-template-columns: 1fr;
  }

  .brand {
    min-width: 0;
  }

  .main {
    padding: 22px 14px;
  }

  .topbar,
  .section-head,
  .notice-board,
  .game-layout,
  .ops-main,
  .ops-card,
  .ops-actions {
    display: grid;
  }

  .match-grid,
  .apply-panel,
  .apply-panel.compact,
  .admin-create-form,
  .admin-login-panel,
  .my-application-list,
  .notice-board,
  .admin-grid,
  .game-layout,
  .member-card {
    grid-template-columns: 1fr;
  }

  .my-application-item {
    display: grid;
  }

  .ops-actions {
    justify-content: stretch;
  }

  .ops-actions select,
  .ops-actions button {
    width: 100%;
  }

  .participant-head,
  .participant-row {
    grid-template-columns: 1fr;
  }

  .message-preview > div,
  .message-actions {
    display: grid;
  }

  .message-actions button {
    width: 100%;
  }

  .table-row {
    grid-template-columns: 46px minmax(92px, 1fr) 74px 58px;
    padding: 0 12px;
  }

  .table-row span:last-child {
    display: none;
  }
}