/* ── Variables ───────────────────────────────────────────── */

:root {
  /* Backgrounds */
  --bg-primary:              #ffffff;
  --bg-secondary:            #f4f4f5;
  --bg-card:                 #ffffff;
  --input-bg:                #ffffff;

  /* Borders */
  --border-color:            #e4e4e7;

  /* Text */
  --text-primary:            #18181b;
  --text-secondary:          #71717a;
  --text-muted:              #a1a1aa;

  /* Accent (blue — links, info) */
  --accent:                  #2563eb;
  --accent-hover:            #1d4ed8;
  --accent-text:             #ffffff;

  /* Success / primary green */
  --success:                 #16a34a;
  --success-dark:            #15803d;
  --success-bg:              #dcfce7;
  --success-text:            #166534;

  /* Warning */
  --warning:                 #d97706;
  --warning-bg:              #fef3c7;
  --warning-text:            #92400e;

  /* Danger */
  --danger:                  #dc2626;
  --danger-dark:             #b91c1c;
  --danger-bg:               #fee2e2;
  --danger-border:           #fecaca;

  /* Info */
  --info:                    #2563eb;
  --info-bg:                 #dbeafe;
  --info-text:               #1e40af;

  /* Challenge row badges */
  --badge-challenged-you-bg:   #fef3c7;
  --badge-challenged-you-text: #92400e;
  --badge-challenged-bg:       #dbeafe;
  --badge-challenged-text:     #1e40af;
  --badge-active-bg:           #dcfce7;
  --badge-active-text:         #166534;

  /* Rank top-3 badge */
  --rank-top-bg:             #fef9c3;
  --rank-top-text:           #92400e;
  --rank-top-border:         #fde68a;

  /* Role badge */
  --role-admin-bg:           #faf5ff;
  --role-admin-text:         #7e22ce;

  /* Navigation */
  --nav-bg:                  #18181b;
  --nav-text:                #f4f4f5;
  --nav-text-muted:          #a1a1aa;
  --nav-item-hover:          rgba(255, 255, 255, 0.08);
  --nav-item-active:         rgba(255, 255, 255, 0.12);

  /* Position card */
  --card-primary-bg:         #16a34a;
  --card-primary-text:       #ffffff;

  /* Toast */
  --toast-bg:                #18181b;
  --toast-text:              #fafafa;

  /* Shadows & overlays */
  --shadow:                  rgba(0, 0, 0, 0.08);
  --modal-shadow:            rgba(0, 0, 0, 0.2);
  --modal-overlay:           rgba(0, 0, 0, 0.45);
  --focus-ring:              rgba(22, 163, 74, 0.2);

  --radius:                  8px;
}

[data-theme="dark"] {
  --bg-primary:              #09090b;
  --bg-secondary:            #18181b;
  --bg-card:                 #27272a;
  --input-bg:                #18181b;

  --border-color:            #3f3f46;

  --text-primary:            #fafafa;
  --text-secondary:          #a1a1aa;
  --text-muted:              #71717a;

  --accent:                  #3b82f6;
  --accent-hover:            #60a5fa;
  --accent-text:             #ffffff;

  --success:                 #4ade80;
  --success-dark:            #22c55e;
  --success-bg:              #14532d;
  --success-text:            #86efac;

  --warning:                 #fbbf24;
  --warning-bg:              #78350f;
  --warning-text:            #fde68a;

  --danger:                  #f87171;
  --danger-dark:             #ef4444;
  --danger-bg:               #7f1d1d;
  --danger-border:           #991b1b;

  --info:                    #60a5fa;
  --info-bg:                 #1e3a5f;
  --info-text:               #93c5fd;

  --badge-challenged-you-bg:   #78350f;
  --badge-challenged-you-text: #fde68a;
  --badge-challenged-bg:       #1e3a5f;
  --badge-challenged-text:     #93c5fd;
  --badge-active-bg:           #14532d;
  --badge-active-text:         #86efac;

  --rank-top-bg:             #78350f;
  --rank-top-text:           #fde68a;
  --rank-top-border:         #92400e;

  --role-admin-bg:           #3b0764;
  --role-admin-text:         #d8b4fe;

  --nav-bg:                  #09090b;
  --nav-text:                #fafafa;
  --nav-text-muted:          #71717a;

  --card-primary-bg:         #14532d;
  --card-primary-text:       #86efac;

  --toast-bg:                #3f3f46;
  --toast-text:              #fafafa;

  --shadow:                  rgba(0, 0, 0, 0.4);
  --modal-shadow:            rgba(0, 0, 0, 0.6);
  --modal-overlay:           rgba(0, 0, 0, 0.65);
  --focus-ring:              rgba(74, 222, 128, 0.2);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background: var(--bg-secondary);
  color: var(--text-primary);
  min-height: 100vh;
}
a { text-decoration: none; color: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ── Utility ─────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Navbar ──────────────────────────────────────────────── */
#navbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 1.5rem;
  height: 56px;
  background: var(--nav-bg);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px var(--shadow);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--nav-text);
  white-space: nowrap;
}
.nav-logo-img {
  height: 32px;
  width: auto;
}
.nav-brand-text {
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.nav-links {
  display: flex;
  gap: .25rem;
  flex: 1;
}
.nav-links a {
  color: var(--nav-text-muted);
  padding: .35rem .75rem;
  border-radius: 6px;
  font-size: .9rem;
  transition: background .15s, color .15s;
}
.nav-links a:hover  { background: var(--nav-item-hover);  color: var(--nav-text); }
.nav-links a.active { background: var(--nav-item-active); color: var(--nav-text); font-weight: 600; }

/* ── Theme toggle (icon-only) ────────────────────────────── */
.nav-theme-btn {
  padding: 0.5rem;
  font-size: 1.1rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--nav-text);
  min-width: 36px;
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background .15s;
}
.nav-theme-btn:hover { background: var(--nav-item-hover); }

/* ── Nav avatar + dropdown ───────────────────────────────── */
.nav-profile-menu { position: relative; }
.nav-avatar-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.8rem;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nav-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  min-width: 200px;
  box-shadow: 0 8px 24px var(--modal-shadow);
  z-index: 1000;
  overflow: hidden;
}
.nav-dropdown.open { display: block; }
.nav-dropdown-header {
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-dropdown-item {
  display: block;
  padding: 0.625rem 1rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: background .15s;
  white-space: nowrap;
}
.nav-dropdown-item:hover    { background: var(--bg-secondary); }
.nav-dropdown-danger        { color: var(--danger); }
.nav-dropdown-divider       { border: none; border-top: 1px solid var(--border-color); margin: 0.25rem 0; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .5rem 1rem;
  border-radius: var(--radius);
  font-size: .875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .15s, border-color .15s, opacity .15s ease, transform .15s ease;
  white-space: nowrap;
}
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn:not(:disabled):active { transform: translateY(0) !important; }
.btn-primary   { background: var(--success); color: var(--accent-text); }
.btn-primary:not(:disabled):hover { background: var(--success-dark); opacity: .9; transform: translateY(-1px); }
.btn-secondary { background: var(--bg-secondary); color: var(--text-primary); border-color: var(--border-color); }
.btn-secondary:hover { background: var(--border-color); }
.btn-success   { background: var(--success);    color: var(--accent-text); }
.btn-success:hover   { background: var(--success-dark); }
.btn-danger    { background: var(--danger);     color: var(--accent-text); }
.btn-danger:hover    { background: var(--danger-dark); }
.btn-outline   { background: transparent; color: var(--text-secondary); border-color: var(--border-color); }
.btn-outline:hover   { border-color: var(--text-secondary); color: var(--text-primary); }
.btn-ghost     { background: transparent; color: var(--nav-text-muted); border-color: transparent; }
.btn-ghost:hover     { background: var(--nav-item-hover); color: var(--nav-text); }
.btn-sm   { padding: .3rem .65rem; font-size: .8rem; }
.btn-full { width: 100%; }

/* Dark mode: bright action-color backgrounds need dark text */
[data-theme="dark"] .btn-primary,
[data-theme="dark"] .btn-success,
[data-theme="dark"] .btn-danger { color: var(--bg-primary); }

/* ── Forms ───────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.form-group input,
.form-group select {
  height: 44px;
  padding: 0 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--input-bg);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ── Login ───────────────────────────────────────────────── */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}
.login-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: clamp(1.75rem, 5vw, 2.5rem);
  width: calc(100% - 2rem);
  max-width: 420px;
  margin: auto;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 32px var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.login-card h1 {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.login-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-top: 0.25rem;
  margin-bottom: 1.5rem;
}
#loginPage .login-card h1,
#loginPage .login-card .login-subtitle { display: none; }
.login-card form { display: flex; flex-direction: column; gap: 1rem; }
.login-card .btn-primary { height: 44px; border-radius: 8px; font-size: 1rem; font-weight: 600; }

/* ── SSO button shared baseline ─────────────────────────── */
.btn-google, .btn-apple, .btn-facebook {
  height: 44px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  width: 100%;
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  cursor: pointer;
}
.btn-google:not(:disabled):hover,
.btn-apple:not(:disabled):hover,
.btn-facebook:not(:disabled):hover { opacity: .92; transform: translateY(-1px); }

/* ── Google SSO button ───────────────────────────────────── */
.btn-google {
  background: #ffffff;
  color: #3c4043;
  border: 1px solid #dadce0;
}
.btn-google:not(:disabled):hover { background: #f8f9fa; border-color: #c0c0c0; }
[data-theme="dark"] .btn-google              { background: #131314; color: #e3e3e3; border-color: #3c4043; }
[data-theme="dark"] .btn-google:not(:disabled):hover { background: #1e1e1e; border-color: #5f6368; }

/* ── Apple SSO button ────────────────────────────────────── */
.btn-apple {
  background: #000000;
  color: #ffffff;
  border-color: #000000;
}
.btn-apple:not(:disabled):hover { background: #1a1a1a; border-color: #1a1a1a; }
/* Dark mode: inverted — white button with black text (Apple brand guideline) */
[data-theme="dark"] .btn-apple              { background: #f5f5f7; color: #000000; border-color: #f5f5f7; }
[data-theme="dark"] .btn-apple:not(:disabled):hover { background: #e5e5e7; border-color: #e5e5e7; }

/* ── Facebook SSO button ─────────────────────────────────── */
.btn-facebook {
  background: #1877F2;
  color: #ffffff;
  border-color: #1877F2;
}
.btn-facebook:not(:disabled):hover              { background: #166fe5; border-color: #166fe5; }
[data-theme="dark"] .btn-facebook               { background: #1877F2; border-color: #1877F2; }
[data-theme="dark"] .btn-facebook:not(:disabled):hover { background: #166fe5; border-color: #166fe5; }

/* ── Login divider ("or") ────────────────────────────────── */
.login-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0.25rem 0;
}
.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

/* ── Page layout ─────────────────────────────────────────── */
#app { max-width: 960px; margin: 0 auto; padding: 1.5rem 1rem; }
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
}
.page-header h2 { font-size: 1.35rem; font-weight: 700; }
.member-count { font-size: .85rem; color: var(--text-secondary); }

/* ── Card ────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px var(--shadow), 0 1px 2px var(--shadow);
  overflow: hidden;
}

/* ── Table scroll wrapper ────────────────────────────────── */
.table-scroll-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
  border-radius: 8px;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
}

/* ── Ladder table ────────────────────────────────────────── */
.ladder-table th,
.ladder-table td {
  padding: .75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}
.ladder-table th {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .05em;
  background: var(--bg-secondary);
}
.ladder-table tbody tr:last-child td { border-bottom: none; }
.ladder-table tbody tr:hover         { background: var(--bg-secondary); }
.ladder-table tbody tr.my-row        { background: var(--success-bg); }
.ladder-table tbody tr.my-row:hover  { background: var(--success-bg); }
.col-rank    { width: 70px; }
.col-status  { width: 110px; }
.col-actions { width: 130px; text-align: right; }
.col-action  { width: 120px; text-align: right; }
.actions-cell { text-align: right; }
.rank-cell    { text-align: center; }
.member-name, .col-name { white-space: nowrap; min-width: 130px; }
.row-actions { white-space: nowrap; }

/* ── Challenge button ────────────────────────────────────── */
.btn-challenge {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.35rem 0.875rem;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity .15s;
}
.btn-challenge:hover { opacity: 0.85; }

/* ── Withdraw button ─────────────────────────────────────── */
.btn-withdraw {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-withdraw:hover { border-color: var(--danger); color: var(--danger); }

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: .85rem;
  font-weight: 700;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}
.rank-badge.rank-top {
  background: var(--rank-top-bg);
  color: var(--rank-top-text);
  border-color: var(--rank-top-border);
}
.player-name { font-weight: 500; }
.you-badge {
  display: inline-block;
  margin-left: .4rem;
  font-size: .7rem;
  font-weight: 600;
  background: var(--success-bg);
  color: var(--success-text);
  padding: .1rem .4rem;
  border-radius: 999px;
  vertical-align: middle;
}

/* ── Status & Role badges ────────────────────────────────── */
.status-badge, .role-badge {
  display: inline-block;
  padding: .2rem .6rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
}
.status-active    { background: var(--success-bg);    color: var(--success-text); }
.status-frozen    { background: var(--warning-bg);    color: var(--warning); }
.status-inactive  { background: var(--bg-secondary);  color: var(--text-secondary); border: 1px solid var(--border-color); }
.status-pending   { background: var(--info-bg);       color: var(--info); }
.status-accepted  { background: var(--success-bg);    color: var(--success-text); }
.status-declined  { background: var(--danger-bg);     color: var(--danger); }
.status-completed  { background: var(--bg-secondary);  color: var(--text-secondary); }
.status-expired    { background: var(--warning-bg);    color: var(--warning); }
.status-cancelled  { background: var(--bg-secondary);  color: var(--text-muted); text-decoration: line-through; }
.role-admin  { background: var(--role-admin-bg);   color: var(--role-admin-text); }
.role-player { background: var(--bg-secondary);    color: var(--text-secondary); }

/* ── Auth provider badges (admin table) ──────────────────── */
.auth-cell { white-space: nowrap; }
.provider-badge {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 600;
  margin-right: .25rem;
}
.provider-password { background: #e4e4e7; color: #3f3f46; }
.provider-google   { background: #dbeafe; color: #1d4ed8; }
.provider-apple    { background: #18181b; color: #fafafa; }
.provider-facebook { background: #dbeafe; color: #1877F2; }

/* ── Sections ────────────────────────────────────────────── */
.section { margin-bottom: 2rem; }
.section-title { font-size: 1rem; font-weight: 600; margin-bottom: .75rem; color: var(--text-secondary); }

/* ── Challenge cards ─────────────────────────────────────── */
.challenge-list { display: flex; flex-direction: column; gap: .75rem; }
.challenge-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: 0 1px 3px var(--shadow);
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.challenge-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}
.challenge-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: .8rem;
  color: var(--text-secondary);
}
.challenge-tag {
  font-size: .75rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
}
.card-actions { display: flex; gap: .5rem; margin-top: .15rem; }

/* ── Admin table ─────────────────────────────────────────── */
.admin-table th,
.admin-table td {
  padding: .7rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}
.admin-table th {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .05em;
  background: var(--bg-secondary);
}
.admin-table tbody tr:last-child td { border-bottom: none; }
.admin-table tbody tr:hover { background: var(--bg-secondary); }
.row-actions { display: flex; gap: .4rem; }
.email-cell  { font-size: .85rem; color: var(--text-secondary); }
.empty-td    { padding: 1.5rem; text-align: center; color: var(--text-secondary); font-size: .9rem; }

/* ── Modal ───────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--modal-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 200;
}
.modal-box {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1.75rem;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 60px var(--modal-shadow);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  overflow: hidden;
}
.modal-box input,
.modal-box select {
  box-sizing: border-box;
  max-width: 100%;
  padding-right: 2.5rem;
}
.modal-box h3     { font-size: 1.15rem; font-weight: 700; color: var(--text-primary); }
.modal-subtitle   { color: var(--text-secondary); font-size: .875rem; margin-top: -.75rem; }
.modal-box form   { display: flex; flex-direction: column; gap: 1rem; }
.modal-actions    { display: flex; justify-content: flex-end; gap: .6rem; margin-top: .25rem; }

/* ── Toast ───────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  padding: .65rem 1.25rem;
  border-radius: 999px;
  font-size: .875rem;
  font-weight: 500;
  z-index: 999;
  box-shadow: 0 4px 6px var(--shadow);
  animation: slideUp .2s ease;
  white-space: nowrap;
}
.toast-success { background: var(--toast-bg);  color: var(--toast-text); }
.toast-error   { background: var(--danger);    color: var(--accent-text); }
@keyframes slideUp {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── States ──────────────────────────────────────────────── */
.loading     { text-align: center; padding: 3rem 1rem; color: var(--text-secondary); font-size: .95rem; }
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}
.empty-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.empty-text { font-size: 1.1rem; font-weight: 600; color: var(--text-secondary); }
.empty-sub  { font-size: .9rem; margin-top: .25rem; }
.error-msg {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
  border-radius: var(--radius);
  padding: .65rem .9rem;
  font-size: .875rem;
}

/* ── API error banner ────────────────────────────────────── */
.api-error-banner {
  position: fixed;
  inset: 0;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 500;
}
.banner-box {
  text-align: center;
  max-width: 480px;
  background: var(--bg-card);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  box-shadow: 0 4px 6px var(--shadow), 0 2px 4px var(--shadow);
  border-top: 4px solid var(--danger);
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.banner-box h2 { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); }
.banner-box p  { color: var(--text-secondary); font-size: .9rem; line-height: 1.6; }
.banner-box code {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: .1rem .45rem;
  border-radius: 4px;
  font-family: monospace;
  font-size: .85em;
}

/* ── Stats bar ───────────────────────────────────────────── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .75rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: 0 1px 3px var(--shadow);
  text-align: center;
}
.stat-value { font-size: 1.75rem; font-weight: 700; color: var(--success); line-height: 1; }
.stat-label { font-size: .78rem; color: var(--text-secondary); margin-top: .3rem; font-weight: 500; }

/* ── Section header row ──────────────────────────────────── */
.section-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .75rem;
}
.section-header-row .section-title { margin-bottom: 0; }

/* ── Count badge ─────────────────────────────────────────── */
.count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: .1rem .5rem;
  font-size: .72rem;
  font-weight: 600;
  margin-left: .4rem;
  vertical-align: middle;
}

/* ── Match format & score selectors ─────────────────────── */
.format-selector,
.score-selector {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.format-btn,
.score-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.format-btn:hover,
.score-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.format-btn.active,
.score-btn.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

/* ── Clickable player name ───────────────────────────────── */
.player-name-link {
  cursor: pointer;
  transition: color 0.15s;
}
.player-name-link:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* ── Player profile modal ────────────────────────────────── */
.profile-modal {
  max-width: 680px;
  width: calc(100% - 2rem);
  max-height: 85vh;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}
.profile-modal .profile-section:last-child {
  min-height: 0; /* allow flex child to shrink */
}

/* ── Profile header banner (matches position card style) ─── */
.profile-header-card {
  background: var(--card-primary-bg);
  color: var(--card-primary-text);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.profile-header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}
.profile-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 2px solid rgba(255,255,255,0.3);
}
.profile-info  { min-width: 0; }
.profile-name  { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: .3rem; }
.profile-meta {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.profile-status-badge {
  font-size: .72rem;
  background: rgba(255,255,255,0.2);
  color: #fff;
  border-radius: 4px;
  padding: .1rem .45rem;
  font-weight: 500;
}
.profile-since { font-size: .78rem; color: rgba(255,255,255,0.7); }
.profile-header-right {
  text-align: right;
  flex-shrink: 0;
  padding-right: 1rem;
}
.profile-rank-label {
  font-size: .65rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: .1rem;
}
.profile-rank-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--card-primary-text);
  line-height: 1;
  opacity: .95;
}
.profile-close {
  position: absolute;
  top: .75rem;
  right: .75rem;
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: .8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s;
}
.profile-close:hover { background: rgba(255,255,255,0.28); }

.profile-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
/* Override admin stat-value green tint inside the profile modal */
.profile-stats .stat-value {
  font-size: 1.4rem;
  color: var(--text-primary);
}
.profile-stats .stat-card {
  background: var(--bg-secondary);
  padding: 0.75rem;
}

.profile-section { margin-top: 1.5rem; }
.profile-section h3 {
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .75rem;
}

.rank-chart-container {
  height: 200px;
  position: relative;
}
.chart-empty-msg {
  color: var(--text-muted);
  font-size: .875rem;
  padding: 1rem 0;
}

/* ── Match result badges ─────────────────────────────────── */
.result-badge {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  padding: .15rem .5rem;
  border-radius: 4px;
}
.result-win  { background: var(--success-bg); color: var(--success-text); }
.result-loss { background: var(--danger-bg);  color: var(--danger);  }

/* ── Streak badges ───────────────────────────────────────── */
.streak-badge {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  padding: .1rem .4rem;
  border-radius: 4px;
  vertical-align: middle;
}
.streak-win  { background: var(--success-bg); color: var(--success-text); }
.streak-loss { background: var(--danger-bg);  color: var(--danger);  }

/* ── Rank change indicator ───────────────────────────────── */
.rank-change {
  font-size: .8rem;
  font-weight: 600;
  white-space: nowrap;
}
.rank-up   { color: var(--success); }
.rank-down { color: var(--danger);  }

/* ── Profile modal — compact table ──────────────────────── */
.profile-modal .data-table { font-size: 0.8rem; }
.profile-modal .data-table th {
  font-size: 0.7rem;
  padding: 0.4rem 0.5rem;
  letter-spacing: 0.04em;
}
.profile-modal .data-table td { padding: 0.4rem 0.5rem; }

/* Centered columns in match history */
.col-result,
.col-score,
.col-format,
.col-rank-change { text-align: center; }

@media (max-width: 480px) {
  .profile-stats { grid-template-columns: repeat(3, 1fr); }
  .profile-modal { max-height: 90vh; }
}

/* ── History page ────────────────────────────────────────── */
.history-page {
  max-width: 860px;
  margin: 0 auto;
}

.history-table-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.history-table-card .table-scroll-wrap { padding: 0; }

.history-page .data-table thead tr,
.profile-modal .data-table thead tr {
  background: var(--bg-secondary);
  border-bottom: 2px solid var(--border-color);
}
.history-page .data-table th,
.profile-modal .data-table th {
  padding: .625rem 1rem;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.history-page .data-table td,
.profile-modal .data-table td {
  padding: .625rem 1rem;
  border-bottom: 1px solid var(--border-color);
}
.history-page .data-table tbody tr:last-child td,
.profile-modal .data-table tbody tr:last-child td { border-bottom: none; }

.history-my-stats {
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-color);
}
.history-my-stats h2,
.history-club-feed h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}
.history-chart-wrap { margin-top: 1.25rem; margin-bottom: 1.5rem; }
.history-chart-wrap h3,
.history-my-matches h3 {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: .75rem;
}
.history-rank-chart-container {
  height: 280px;
  position: relative;
}
.history-my-matches { margin-top: 1.5rem; }

.history-feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: .75rem;
}
.history-filter {
  padding: .4rem .75rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: .9rem;
  cursor: pointer;
}

/* ── Match feed cards ────────────────────────────────────── */
.match-feed-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--success);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: .75rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
}
.match-feed-date {
  font-size: .78rem;
  color: var(--text-secondary);
  font-weight: 500;
  min-width: 70px;
}
.match-feed-players {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.match-feed-winner {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  min-width: 0;
}
.match-feed-loser {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}
.match-feed-name { white-space: nowrap; }
.winner-name     { font-weight: 700; color: var(--text-primary); }
.loser-name      { color: var(--text-secondary); }
.match-feed-score {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  padding: .2rem .65rem;
  background: var(--bg-secondary);
  border-radius: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}
.match-feed-rank-change       { font-size: .72rem; font-weight: 500; color: var(--text-muted); }
.match-feed-rank-change.up    { color: var(--success); }
.match-feed-rank-change.down  { color: var(--danger);  }
.match-feed-meta {
  font-size: .75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

@media (max-width: 600px) {
  .match-feed-card {
    grid-template-columns: 1fr;
    gap: .5rem;
  }
  .match-feed-players { justify-content: space-between; }
  .match-feed-date    { min-width: unset; }
}

/* ── Score pill ──────────────────────────────────────────── */
.score-pill {
  display: inline-block;
  background: var(--success-bg);
  color: var(--success-text);
  border-radius: 6px;
  padding: .15rem .55rem;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .03em;
}

/* ── Admin form ──────────────────────────────────────────── */
.admin-form { padding: 1.5rem; }
.admin-form form { display: flex; flex-direction: column; gap: 1rem; }
.form-actions { display: flex; justify-content: flex-end; }

/* ── Small modal variant ─────────────────────────────────── */
.modal-sm { max-width: 320px; }

/* ── Admin welcome banner ────────────────────────────────── */
.admin-welcome {
  background: var(--info-bg);
  border-left: 3px solid var(--info);
  border-radius: var(--radius);
  padding: .75rem 1.25rem;
  font-size: .95rem;
  font-weight: 500;
  color: var(--info-text);
  margin-bottom: 1.25rem;
}

/* ── Position card ───────────────────────────────────────── */
.position-section {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  margin-bottom: 1.25rem;
}
.position-card {
  background: var(--card-primary-bg);
  color: var(--card-primary-text);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 3px var(--shadow);
}
.position-label {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  opacity: .8;
  margin-bottom: .2rem;
}
.position-name { font-size: 1.05rem; font-weight: 700; }
.position-rank { font-size: 2.25rem; font-weight: 800; line-height: 1; opacity: .9; }

/* ── Position alert banners ──────────────────────────────── */
.position-alert {
  background: var(--warning-bg);
  border-left: 3px solid var(--warning);
  border-radius: var(--radius);
  padding: .55rem 1rem;
  font-size: .84rem;
  font-weight: 500;
  color: var(--warning-text);
}
.position-alert a { color: var(--warning-text); font-weight: 600; text-decoration: underline; }

.position-outgoing-alert {
  background: var(--info-bg);
  border-left: 3px solid var(--info);
  border-radius: var(--radius);
  padding: .55rem 1rem;
  font-size: .84rem;
  font-weight: 500;
  color: var(--info-text);
}
.position-outgoing-alert a { color: var(--accent-hover); font-weight: 600; text-decoration: underline; }

.position-active-alert {
  background: var(--success-bg);
  border-left: 3px solid var(--success);
  border-radius: var(--radius);
  padding: .55rem 1rem;
  font-size: .84rem;
  font-weight: 500;
  color: var(--success-text);
}
.position-active-alert a { color: var(--success-text); font-weight: 600; text-decoration: underline; }

/* ── Challenge indicators on ladder rows ─────────────────── */
.challenge-indicator {
  display: inline-flex;
  align-items: center;
  gap: .2rem;
  font-size: .7rem;
  font-weight: 600;
  padding: .1rem .45rem;
  border-radius: 999px;
  margin-left: .4rem;
  white-space: nowrap;
  vertical-align: middle;
  background: var(--badge-challenged-you-bg);
  color: var(--badge-challenged-you-text);
}
.challenge-indicator-outgoing {
  background: var(--badge-challenged-bg);
  color: var(--badge-challenged-text);
}
a.challenge-indicator-link {
  text-decoration: none;
  cursor: pointer;
}
a.challenge-indicator-link:hover { text-decoration: underline; }
.challenge-indicator-active {
  background: var(--badge-active-bg);
  color: var(--badge-active-text);
}

/* ── In-a-match badge (action column) ───────────────────── */
.in-match-badge {
  display: inline-flex;
  align-items: center;
  gap: .2rem;
  font-size: .75rem;
  font-weight: 600;
  padding: .2rem .55rem;
  border-radius: 6px;
  white-space: nowrap;
  background: var(--warning-bg);
  color: var(--warning);
}

/* ── Pending-count badge (name column) ───────────────────── */
.pending-challenges-badge {
  font-size: .7rem;
  color: var(--text-muted);
  margin-left: .5rem;
  padding: .1rem .4rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  vertical-align: middle;
  white-space: nowrap;
}

/* ── Position card active-match indicator ────────────────── */
.position-active-match {
  font-size: .8rem;
  font-weight: 600;
  color: var(--warning);
  margin-top: .25rem;
}

/* ── Active match card ───────────────────────────────────── */
.active-match-card { border-left: 3px solid var(--success); }
.active-match-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  color: var(--badge-active-text);
  background: var(--badge-active-bg);
  padding: .2rem .55rem;
  border-radius: 999px;
  white-space: nowrap;
}

/* ── Info banner (warning inside incoming section) ───────── */
.info-banner {
  background: var(--warning-bg);
  border-left: 3px solid var(--warning);
  border-radius: var(--radius);
  padding: .55rem 1rem;
  font-size: .84rem;
  font-weight: 500;
  color: var(--warning-text);
  margin-bottom: .5rem;
}

/* ── Lock note ───────────────────────────────────────────── */
.lock-note { font-size: .78rem; color: var(--text-muted); margin-top: .1rem; }

/* ── Nav badges ──────────────────────────────────────────── */
.nav-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  border-radius: 999px;
  font-size: .68rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-text);
  margin-left: .3rem;
  vertical-align: middle;
}
.nav-badge-warning { background: var(--warning); }
.nav-badge-info    { background: var(--info); }

/* ── Header actions ──────────────────────────────────────── */
.header-actions { display: flex; align-items: center; gap: .75rem; }

/* ── Modal note ──────────────────────────────────────────── */
.modal-note { font-size: .875rem; color: var(--text-secondary); margin-top: -.5rem; }

/* ── Danger button variants ──────────────────────────────── */
.btn-danger         { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover   { background: var(--danger-dark); border-color: var(--danger-dark); }
.btn-danger-outline { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-danger-outline:hover { background: var(--danger-bg); }

/* ── Generic text link ───────────────────────────────────── */
.text-link { color: var(--accent); font-size: .875rem; }
.text-link:hover { text-decoration: underline; }

/* ── MFA shield nav icon ─────────────────────────────────── */
.mfa-shield-off { filter: grayscale(1) opacity(.55); font-style: normal; }
.mfa-shield-on  { font-style: normal; }

/* ── Page title / subtitle ───────────────────────────────── */
.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.page-subtitle {
  font-size: .9rem;
  color: var(--text-secondary);
  margin-top: -.75rem;
  margin-bottom: 1.5rem;
}
.settings-page { max-width: 560px; }

/* ── Notification event grid ─────────────────────────────── */
.notif-grid-header,
.notif-grid-row {
  display: grid;
  grid-template-columns: 1fr 60px 60px;
  gap: 1rem;
  align-items: center;
  padding: .75rem 0;
  border-bottom: 1px solid var(--border-color);
}
.notif-grid-header {
  font-size: .72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}
.notif-grid-row:last-of-type { border-bottom: none; }
.notif-event-col  { font-size: .9rem; color: var(--text-primary); }
.notif-channel-col { display: flex; justify-content: center; }

/* ── Toggle switch ───────────────────────────────────────── */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--border-color);
  border-radius: 24px;
  transition: background .2s;
}
.toggle-slider:before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform .2s;
}
input:checked + .toggle-slider { background: var(--accent); }
input:checked + .toggle-slider:before { transform: translateX(20px); }
input:disabled + .toggle-slider { opacity: .4; cursor: not-allowed; }

/* ── Preference rows ─────────────────────────────────────── */
.pref-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .875rem 0;
  border-bottom: 1px solid var(--border-color);
}
.pref-row:last-of-type { border-bottom: none; }
.pref-indent { padding-left: 1.25rem; }
.pref-info { flex: 1; min-width: 0; }
.pref-label { font-size: .95rem; font-weight: 500; color: var(--text-primary); }
.pref-sub   { font-size: .8rem; color: var(--text-muted); margin-top: .2rem; }
.pref-actions { padding-top: 1rem; }

.card-subtitle {
  font-size: .875rem;
  color: var(--text-secondary);
  margin-bottom: .25rem;
}

/* ── Security page ───────────────────────────────────────── */
.security-card,
.mfa-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  max-width: 520px;
}
.security-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.security-success { align-items: center; text-align: center; padding: .5rem 0; }
.security-icon    { font-size: 2.5rem; line-height: 1; }
.mfa-manual-key {
  display: block;
  font-family: ui-monospace, 'Cascadia Code', 'Fira Code', monospace;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: .6rem 1rem;
  letter-spacing: .12em;
  font-size: .9rem;
  color: var(--text-primary);
  word-break: break-all;
}
.mfa-code-input { max-width: 160px; letter-spacing: .15em; font-size: 1.1rem; }
.qr-container   { display: flex; justify-content: center; padding: 1rem 0; }

/* ── Login logo ──────────────────────────────────────────── */
.login-logo-wrap { text-align: center; margin-bottom: 0.25rem; }
.login-logo      { width: 140px; height: auto; display: inline-block; }

/* ── MFA logo ────────────────────────────────────────────── */
.mfa-logo-wrap { text-align: center; margin-bottom: 0.5rem; }
.mfa-logo      { width: 56px; height: auto; }

/* ── Logo light-mode drop-shadow ─────────────────────────── */
[data-theme="light"] .login-logo   { filter: drop-shadow(0 2px 8px rgba(0,0,0,0.15)); }
[data-theme="light"] .nav-logo-img { filter: drop-shadow(0 1px 3px rgba(0,0,0,0.2)); }

/* ── Dark mode backgrounds ───────────────────────────────── */
[data-theme="dark"] body {
  background: radial-gradient(ellipse at top, #1a1a2e 0%, #09090b 60%);
}
[data-theme="dark"] #loginPage,
[data-theme="dark"] #mfaPage {
  background: radial-gradient(ellipse at top, #1a1a2e 0%, #09090b 100%);
  min-height: 100vh;
}

/* ── Touch targets ───────────────────────────────────────── */
.nav-links a { min-height: 44px; display: inline-flex; align-items: center; }
.btn         { min-height: 36px; }
.btn-sm      { min-height: 32px; }

/* ── Nav actions group ───────────────────────────────────── */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* ── Responsive ──────────────────────────────────────────── */

/* Tablet — 2-column stats */
@media (max-width: 1024px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile — two-row nav + general layout */
@media (max-width: 768px) {
  /* Two-row navbar */
  #navbar {
    flex-wrap: wrap;
    height: auto;
    padding: 0 1rem;
    gap: 0;
  }
  .nav-brand {
    flex: 1;
    padding: 0.625rem 0;
  }
  .nav-logo-img { height: 28px; }
  .nav-brand-text { display: inline; font-size: 0.95rem; }
  .nav-actions {
    padding: 0.375rem 0;
    gap: 0.375rem;
  }
  .nav-links {
    order: 10;
    width: 100%;
    flex: unset;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 0;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a {
    flex-shrink: 0;
    padding: 0.625rem 1rem;
    font-size: 0.9rem;
    white-space: nowrap;
    min-height: 40px;
  }

  /* Login */
  .login-card { margin: 1rem auto; }

  /* Tables */
  .admin-table-wrap,
  .table-scroll-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .ladder-table th,
  .ladder-table td,
  .data-table th,
  .data-table td { padding: 0.625rem 0.5rem; font-size: 0.875rem; }
  .rank-badge { width: 28px; height: 28px; font-size: 0.8rem; }
  .btn-challenge,
  .challenge-btn { padding: 0.25rem 0.625rem; font-size: 0.8rem; min-width: unset; }

  /* Position card */
  .position-card {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
    align-items: center;
  }
  .position-rank { font-size: 2.5rem; }

  /* Page content padding */
  #app { padding: 1rem; }

  /* Modals */
  .modal-box {
    width: calc(100% - 2rem);
    max-height: 85vh;
    overflow-y: auto;
    margin: 1rem;
    padding: 1.25rem;
  }
  .modal-actions { flex-direction: column-reverse; }
  .modal-actions .btn { width: 100%; margin-top: 0.25rem; }

  /* Badges */
  .status-badge, .role-badge { font-size: 0.7rem; padding: 0.15rem 0.5rem; }
}

/* Small mobile — hide low-priority columns */
@media (max-width: 600px) {
  .stats-bar         { grid-template-columns: repeat(2, 1fr); }
  .form-row,
  .modal-grid-2col   { grid-template-columns: 1fr; }
  .col-actions       { width: 100px; }
  .email-cell        { display: none; }
  .page-header       { flex-wrap: wrap; }
}

/* Extra-small — hide Status column in all tables */
@media (max-width: 480px) {
  .col-status, th.col-status, thead .col-status { display: none; }
}

/* ── SSO warning banner (login page, not-registered error) ── */
.sso-warning-banner {
  background: var(--warning-bg);
  border: 1px solid var(--warning);
  border-radius: 8px;
  padding: 0.875rem 1rem;
  margin-bottom: 1rem;
  color: var(--warning-text);
}
.sso-warning-banner .sso-warning-text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.5;
}

/* ── Registration note below SSO buttons ─────────────────── */
.sso-registration-note {
  text-align: center;
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}