/* ============================================================
   LUMEN — a dark, engineering-flavored Bootstrap 5.3 theme.
   Original design, inspired by modern developer-tool aesthetics.
   ============================================================ */

:root,
[data-bs-theme="dark"] {
  /* Layout sizing (used by sticky nav calculations) */
  --navbar-height: 60px;

  /* Surfaces */
  --lm-bg:           #0a0d0c;   /* page background, near-black w/ slight green cast */
  --lm-surface:      #11161a;   /* cards, navbar */
  --lm-surface-2:    #161c20;   /* hover / elevated */
  --lm-surface-3:    #1c2429;   /* inputs */
  --lm-border:       #232b30;
  --lm-border-soft:  #1a2125;

  /* Text */
  --lm-text:         #e6ebe9;
  --lm-text-muted:   #8a948f;
  --lm-text-dim:     #5d6661;

  /* Brand — crimson */
  --lm-accent:        #cc0000;
  --lm-accent-hover:  #e60000;
  --lm-accent-active: #a30000;
  --lm-accent-fg:     #ffffff;
  --lm-accent-text:   #ff6363;
  --lm-accent-soft:   rgba(204, 0, 0, 0.14);
  --lm-accent-ring:   rgba(204, 0, 0, 0.38);

  /* Bootstrap overrides */
  --bs-body-bg: var(--lm-bg);
  --bs-body-color: var(--lm-text);
  --bs-body-color-rgb: 230, 235, 233;
  --bs-body-bg-rgb: 10, 13, 12;
  --bs-secondary-color: var(--lm-text-muted);
  --bs-tertiary-color: var(--lm-text-dim);
  --bs-tertiary-bg: var(--lm-surface-2);
  --bs-secondary-bg: var(--lm-surface);
  --bs-emphasis-color: #ffffff;
  --bs-border-color: var(--lm-border);
  --bs-border-color-translucent: rgba(255,255,255,0.08);
  --bs-link-color: var(--lm-accent-text);
  --bs-link-hover-color: var(--lm-accent);
  --bs-code-color: var(--lm-accent-text);

  --bs-primary: var(--lm-accent);
  --bs-primary-bg-subtle: var(--lm-accent-soft);
  --bs-primary-border-subtle: var(--lm-accent-ring);
  --bs-primary-text-emphasis: var(--lm-accent-text);

  --bs-success: #3ecf8e;
  --bs-success-rgb: 62, 207, 142;
  --bs-info: #4ab8ff;
  --bs-info-rgb: 74, 184, 255;
  --bs-warning: #f5a524;
  --bs-warning-rgb: 245, 165, 36;
  --bs-danger: #ff6b6b;
  --bs-danger-rgb: 255, 107, 107;

  --bs-font-sans-serif: "Sora", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --bs-font-monospace: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --bs-body-font-family: var(--bs-font-sans-serif);
  --bs-body-font-size: 0.9375rem;
  --bs-body-font-weight: 400;
  --bs-body-line-height: 1.55;

  --bs-border-radius: 0.375rem;
  --bs-border-radius-sm: 0.25rem;
  --bs-border-radius-lg: 0.5rem;
  --bs-border-radius-xl: 0.75rem;
}

* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  background:
    radial-gradient(900px 500px at 85% -10%, var(--lm-accent-soft), transparent 60%),
    radial-gradient(700px 400px at -10% 20%, rgba(74,184,255,0.04), transparent 60%),
    var(--lm-bg);
  background-attachment: fixed;
}

/* --- Typography -------------------------------------------- */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--bs-font-sans-serif);
  font-weight: 600;
  letter-spacing: -0.018em;
  color: #ffffff;
}
.display-1, .display-2, .display-3, .display-4, .display-5 {
  font-weight: 600;
  letter-spacing: -0.035em;
}
.text-muted { color: var(--lm-text-muted) !important; }
.text-dim { color: var(--lm-text-dim) !important; }
.text-mono { font-family: var(--bs-font-monospace); }
code, kbd, pre, samp { color: var(--lm-accent); }
pre {
  background: var(--lm-surface);
  border: 1px solid var(--lm-border);
  border-radius: var(--bs-border-radius);
  padding: 1rem 1.125rem;
  color: var(--lm-text);
  font-size: 0.825rem;
  line-height: 1.65;
}
pre code { color: inherit; }
hr { border-color: var(--lm-border); opacity: 1; }

/* --- Eyebrow / section labels ----------------------------- */
.eyebrow {
  font-family: var(--bs-font-monospace);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lm-text-dim);
}
.eyebrow .dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--lm-accent);
  margin-right: 0.5rem;
  vertical-align: middle;
  box-shadow: 0 0 12px var(--lm-accent-ring);
}

/* --- Navbar ----------------------------------------------- */
.navbar {
  background: rgba(10, 13, 12, 0.72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--lm-border-soft);
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}
.navbar-brand {
  font-weight: 600;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.brand-mark {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--lm-accent), var(--lm-accent-active));
  display: inline-grid;
  place-items: center;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.04), 0 6px 18px var(--lm-accent-soft);
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 3px;
  background: rgba(10,13,12,0.7);
  border: 1px solid rgba(255,255,255,0.1);
}
.navbar-nav .nav-link {
  color: var(--lm-text-muted);
  font-size: 0.875rem;
  padding: 0.4rem 0.85rem !important;
  border-radius: 6px;
  transition: color .15s ease, background-color .15s ease;
}
.navbar-nav .nav-link:hover { color: var(--lm-text); background: var(--lm-surface-2); }
.navbar-nav .nav-link.active { color: var(--lm-text); background: var(--lm-surface-2); }

/* --- Buttons ---------------------------------------------- */
.btn {
  --bs-btn-padding-y: 0.45rem;
  --bs-btn-padding-x: 0.9rem;
  --bs-btn-font-size: 0.875rem;
  --bs-btn-font-weight: 500;
  --bs-btn-border-radius: 0.375rem;
  letter-spacing: -0.005em;
  transition: transform .04s ease, background-color .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-lg { --bs-btn-padding-y: 0.6rem; --bs-btn-padding-x: 1.1rem; --bs-btn-font-size: 0.95rem; }
.btn-sm { --bs-btn-padding-y: 0.3rem; --bs-btn-padding-x: 0.65rem; --bs-btn-font-size: 0.8rem; }

.btn-primary {
  --bs-btn-color: var(--lm-accent-fg);
  --bs-btn-bg: var(--lm-accent);
  --bs-btn-border-color: var(--lm-accent);
  --bs-btn-hover-bg: var(--lm-accent-hover);
  --bs-btn-hover-border-color: var(--lm-accent-hover);
  --bs-btn-hover-color: var(--lm-accent-fg);
  --bs-btn-active-bg: var(--lm-accent-active);
  --bs-btn-active-border-color: var(--lm-accent-active);
  --bs-btn-active-color: var(--lm-accent-fg);
  --bs-btn-disabled-color: var(--lm-accent-fg);
  --bs-btn-disabled-bg: var(--lm-accent);
  --bs-btn-disabled-border-color: var(--lm-accent);
  font-weight: 600;
  box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, 0 1px 2px rgba(0,0,0,0.4);
}
.btn-primary:hover { box-shadow: 0 0 0 4px var(--lm-accent-soft), 0 1px 0 rgba(255,255,255,0.18) inset; }

.btn-secondary {
  --bs-btn-color: var(--lm-text);
  --bs-btn-bg: var(--lm-surface-2);
  --bs-btn-border-color: var(--lm-border);
  --bs-btn-hover-bg: var(--lm-surface-3);
  --bs-btn-hover-border-color: #2e3941;
  --bs-btn-hover-color: #ffffff;
  --bs-btn-active-bg: var(--lm-surface-3);
}

.btn-outline-primary {
  --bs-btn-color: var(--lm-accent-text);
  --bs-btn-border-color: var(--lm-accent-ring);
  --bs-btn-hover-bg: var(--lm-accent-soft);
  --bs-btn-hover-border-color: var(--lm-accent);
  --bs-btn-hover-color: var(--lm-accent-text);
  --bs-btn-active-bg: var(--lm-accent);
  --bs-btn-active-color: var(--lm-accent-fg);
}
.btn-outline-secondary {
  --bs-btn-color: var(--lm-text);
  --bs-btn-border-color: var(--lm-border);
  --bs-btn-hover-bg: var(--lm-surface-2);
  --bs-btn-hover-border-color: #2e3941;
  --bs-btn-hover-color: #ffffff;
}
.btn-outline-spotify {
  --bs-btn-color: #1DB954;
  --bs-btn-border-color: #1DB954;
  --bs-btn-hover-bg: #1DB954;
  --bs-btn-hover-border-color: #1DB954;
  --bs-btn-hover-color: #fff;
  --bs-btn-active-bg: #17a349;
  --bs-btn-active-color: #fff;
}
.btn-success { --bs-btn-color: #08130d; --bs-btn-bg: #3ecf8e; --bs-btn-border-color: #3ecf8e; --bs-btn-hover-bg: #4ee19e; --bs-btn-hover-border-color: #4ee19e; --bs-btn-hover-color: #08130d; }
.btn-danger  { --bs-btn-color: #fff; --bs-btn-bg: #ff6b6b; --bs-btn-border-color: #ff6b6b; --bs-btn-hover-bg: #ff8585; --bs-btn-hover-border-color: #ff8585; }
.btn-warning { --bs-btn-color: #1b1305; --bs-btn-bg: #f5a524; --bs-btn-border-color: #f5a524; --bs-btn-hover-bg: #ffb83a; --bs-btn-hover-border-color: #ffb83a; }
.btn-info    { --bs-btn-color: #06182a; --bs-btn-bg: #4ab8ff; --bs-btn-border-color: #4ab8ff; --bs-btn-hover-bg: #67c4ff; --bs-btn-hover-border-color: #67c4ff; }
.btn-light   { --bs-btn-color: #0a0d0c; --bs-btn-bg: #e6ebe9; --bs-btn-border-color: #e6ebe9; --bs-btn-hover-bg: #fff; --bs-btn-hover-border-color: #fff; }
.btn-dark    { --bs-btn-color: var(--lm-text); --bs-btn-bg: #050706; --bs-btn-border-color: #050706; --bs-btn-hover-bg: #11161a; --bs-btn-hover-border-color: #11161a; --bs-btn-hover-color: #fff; }

.btn-link {
  --bs-btn-color: var(--lm-accent-text);
  --bs-btn-hover-color: var(--lm-accent);
  text-decoration: none;
}
.btn-link:hover { text-decoration: underline; text-underline-offset: 3px; }

.btn:focus-visible, .form-control:focus, .form-select:focus, .form-check-input:focus {
  box-shadow: 0 0 0 3px var(--lm-accent-ring) !important;
  border-color: var(--lm-accent) !important;
  outline: none;
}

/* --- Forms ------------------------------------------------ */
.form-control, .form-select {
  background-color: var(--lm-surface-3);
  border-color: var(--lm-border);
  color: var(--lm-text);
  font-size: 0.875rem;
  border-radius: 0.375rem;
  padding: 0.5rem 0.75rem;
}
.form-control::placeholder { color: var(--lm-text-dim); }
.form-control:focus, .form-select:focus {
  background-color: var(--lm-surface-3);
  color: var(--lm-text);
}
.form-control:disabled { background-color: #0e1316; color: var(--lm-text-dim); }
.form-label { font-size: 0.8125rem; font-weight: 500; margin-bottom: 0.4rem; color: var(--lm-text); }
.form-text { color: var(--lm-text-muted); font-size: 0.78rem; }

.input-group-text {
  background: var(--lm-surface-2);
  border-color: var(--lm-border);
  color: var(--lm-text-muted);
  font-family: var(--bs-font-monospace);
  font-size: 0.8rem;
}

.form-check-input {
  background-color: var(--lm-surface-3);
  border-color: #364048;
}
.form-check-input:checked {
  background-color: var(--lm-accent);
  border-color: var(--lm-accent);
}
.form-switch .form-check-input { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%238a948f'/%3e%3c/svg%3e"); }
.form-switch .form-check-input:checked { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23ffffff'/%3e%3c/svg%3e"); }

.form-range::-webkit-slider-thumb { background: var(--lm-accent); }
.form-range::-moz-range-thumb { background: var(--lm-accent); }
.form-range::-webkit-slider-runnable-track { background: var(--lm-surface-3); }

/* --- Cards ------------------------------------------------ */
.card {
  --bs-card-bg: var(--lm-surface);
  --bs-card-border-color: var(--lm-border);
  --bs-card-border-radius: 0.625rem;
  --bs-card-inner-border-radius: 0.55rem;
  --bs-card-cap-bg: transparent;
  --bs-card-cap-padding-y: 0.875rem;
  --bs-card-cap-padding-x: 1.125rem;
  --bs-card-spacer-y: 1.125rem;
  --bs-card-spacer-x: 1.125rem;
  box-shadow: 0 1px 0 rgba(255,255,255,0.02) inset, 0 1px 2px rgba(0,0,0,0.3);
  transition: border-color .15s ease;
}
.card:hover { border-color: color-mix(in srgb, var(--bs-danger) 45%, transparent) !important; }
.card-header {
  border-bottom-color: var(--lm-border-soft);
  font-weight: 500;
  color: var(--lm-text);
}
.card-title { font-weight: 600; letter-spacing: -0.01em; }
.card-subtitle { color: var(--lm-text-muted) !important; font-size: 0.85rem; }
.card-footer { background: transparent; border-top-color: var(--lm-border-soft); color: var(--lm-text-muted); font-size: 0.825rem; }

/* --- Tables ----------------------------------------------- */
.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--lm-text);
  --bs-table-border-color: var(--lm-border-soft);
  --bs-table-striped-bg: rgba(255,255,255,0.02);
  --bs-table-striped-color: var(--lm-text);
  --bs-table-hover-bg: var(--lm-surface-2);
  --bs-table-hover-color: var(--lm-text);
  font-size: 0.875rem;
}
.table > :not(caption) > * > * { padding: 0.7rem 0.875rem; vertical-align: middle; }
.table > thead {
  font-family: var(--bs-font-monospace);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lm-text-dim);
}
.table > thead th { font-weight: 500; border-bottom-color: var(--lm-border); }

/* --- Badges & pills --------------------------------------- */
.badge {
  font-weight: 500;
  font-size: 0.7rem;
  padding: 0.3em 0.55em;
  letter-spacing: 0.02em;
  border-radius: 4px;
}
.badge.bg-primary { background-color: var(--lm-accent-soft) !important; color: var(--lm-accent-text) !important; border: 1px solid var(--lm-accent-ring); }
.badge.bg-secondary { background-color: var(--lm-surface-2) !important; color: var(--lm-text-muted) !important; border: 1px solid var(--lm-border); }
.badge.bg-success { background-color: rgba(62,207,142,0.12) !important; color: #6fe0a8 !important; border: 1px solid rgba(62,207,142,0.25); }
.badge.bg-info    { background-color: rgba(74,184,255,0.12) !important; color: #8ccdff !important; border: 1px solid rgba(74,184,255,0.25); }
.badge.bg-warning { background-color: rgba(245,165,36,0.12) !important; color: #f5c275 !important; border: 1px solid rgba(245,165,36,0.25); }
.badge.bg-danger  { background-color: rgba(255,107,107,0.12) !important; color: #ff9a9a !important; border: 1px solid rgba(255,107,107,0.3); }
.badge.bg-light   { background-color: var(--lm-surface-2) !important; color: var(--lm-text) !important; }
.badge.bg-dark    { background-color: #050706 !important; color: var(--lm-text) !important; border: 1px solid var(--lm-border); }

/* text-bg-* badges (Bootstrap 5.3 utility) */
.text-bg-dark   { background-color: #050706 !important; color: var(--lm-text) !important; }
.text-bg-danger { background-color: rgba(255,107,107,0.12) !important; color: #ff9a9a !important; border: 1px solid rgba(255,107,107,0.3); }

/* --- Alerts ----------------------------------------------- */
.alert {
  border-radius: 0.5rem;
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
}
.alert-primary { background: var(--lm-accent-soft); border-color: var(--lm-accent-ring); color: var(--lm-accent-text); }
.alert-success { background: rgba(62,207,142,0.08); border-color: rgba(62,207,142,0.25); color: #8ee5b6; }
.alert-info    { background: rgba(74,184,255,0.08); border-color: rgba(74,184,255,0.25); color: #a3d4ff; }
.alert-warning { background: rgba(245,165,36,0.08); border-color: rgba(245,165,36,0.25); color: #f5cf8f; }
.alert-danger  { background: rgba(255,107,107,0.08); border-color: rgba(255,107,107,0.3); color: #ffabab; }
.alert-secondary { background: var(--lm-surface-2); border-color: var(--lm-border); color: var(--lm-text); }
.alert-light   { background: var(--lm-surface-2); border-color: var(--lm-border); color: var(--lm-text); }
.alert-dark    { background: #050706; border-color: var(--lm-border); color: var(--lm-text); }
.alert-link { font-weight: 600; }

/* --- Progress --------------------------------------------- */
.progress {
  background-color: var(--lm-surface-3);
  border-radius: 999px;
  height: 0.5rem;
}
.progress-bar { background-color: var(--lm-accent); }

/* --- List groups ------------------------------------------ */
.list-group {
  --bs-list-group-bg: var(--lm-surface);
  --bs-list-group-color: var(--lm-text);
  --bs-list-group-border-color: var(--lm-border);
  --bs-list-group-action-color: var(--lm-text);
  --bs-list-group-action-hover-bg: var(--lm-surface-2);
  --bs-list-group-action-hover-color: #fff;
  --bs-list-group-action-active-bg: var(--lm-surface-2);
  --bs-list-group-action-active-color: #fff;
  --bs-list-group-active-bg: var(--lm-accent-soft);
  --bs-list-group-active-border-color: var(--lm-accent-ring);
  --bs-list-group-active-color: var(--lm-accent-text);
  border-radius: 0.5rem;
  overflow: hidden;
}
.list-group-item { background: var(--lm-surface); border-color: var(--lm-border-soft); font-size: 0.875rem; }

/* --- Dropdowns -------------------------------------------- */
.dropdown-menu {
  --bs-dropdown-bg: var(--lm-surface);
  --bs-dropdown-border-color: var(--lm-border);
  --bs-dropdown-link-color: var(--lm-text);
  --bs-dropdown-link-hover-bg: var(--lm-surface-2);
  --bs-dropdown-link-hover-color: #fff;
  --bs-dropdown-link-active-bg: var(--lm-accent-soft);
  --bs-dropdown-link-active-color: var(--lm-accent-text);
  --bs-dropdown-header-color: var(--lm-text-dim);
  --bs-dropdown-divider-bg: var(--lm-border-soft);
  --bs-dropdown-border-radius: 0.5rem;
  box-shadow: 0 12px 28px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.03);
  padding: 0.4rem;
  font-size: 0.875rem;
}
.dropdown-item { border-radius: 4px; padding: 0.4rem 0.6rem; }
.dropdown-header { font-family: var(--bs-font-monospace); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; }

/* --- Tabs ------------------------------------------------- */
.nav-tabs {
  border-bottom-color: var(--lm-border);
  gap: 0.25rem;
}
.nav-tabs .nav-link {
  border: none;
  color: var(--lm-text-muted);
  border-radius: 6px 6px 0 0;
  padding: 0.55rem 0.9rem;
  font-size: 0.875rem;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.nav-tabs .nav-link:hover { color: var(--lm-text); background: var(--lm-surface-2); }
.nav-tabs .nav-link.active {
  background: transparent;
  color: var(--lm-text);
  border-bottom-color: var(--lm-accent);
}
.nav-pills .nav-link {
  color: var(--lm-text-muted);
  font-size: 0.875rem;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
}
.nav-pills .nav-link:hover { color: var(--lm-text); background: var(--lm-surface-2); }
.nav-pills .nav-link.active { background: var(--lm-accent-soft); color: var(--lm-accent-text); }

/* --- Pagination ------------------------------------------- */
.pagination {
  --bs-pagination-bg: var(--lm-surface);
  --bs-pagination-color: var(--lm-text);
  --bs-pagination-border-color: var(--lm-border);
  --bs-pagination-hover-bg: var(--lm-surface-2);
  --bs-pagination-hover-color: #fff;
  --bs-pagination-hover-border-color: var(--lm-border);
  --bs-pagination-active-bg: var(--lm-accent);
  --bs-pagination-active-color: var(--lm-accent-fg);
  --bs-pagination-active-border-color: var(--lm-accent);
  --bs-pagination-disabled-bg: var(--lm-surface);
  --bs-pagination-disabled-color: var(--lm-text-dim);
  --bs-pagination-disabled-border-color: var(--lm-border);
  font-size: 0.875rem;
}

/* --- Breadcrumbs ------------------------------------------ */
.breadcrumb { font-size: 0.875rem; }
.breadcrumb-item a { color: var(--lm-text-muted); text-decoration: none; }
.breadcrumb-item a:hover { color: var(--lm-text); }
.breadcrumb-item.active { color: var(--lm-text); }
.breadcrumb-item + .breadcrumb-item::before { color: var(--lm-text-dim); }

/* --- Modal & toast ---------------------------------------- */
.modal-content {
  background: var(--lm-surface);
  border: 1px solid var(--lm-border);
  border-radius: 0.625rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.modal-header { border-bottom-color: var(--lm-border-soft); }
.modal-footer { border-top-color: var(--lm-border-soft); }
.toast {
  background: var(--lm-surface);
  border-color: var(--lm-border);
  color: var(--lm-text);
}
.toast-header {
  background: transparent;
  color: var(--lm-text);
  border-bottom-color: var(--lm-border-soft);
}

/* --- Accordion -------------------------------------------- */
.accordion {
  --bs-accordion-bg: var(--lm-surface);
  --bs-accordion-color: var(--lm-text);
  --bs-accordion-border-color: var(--lm-border);
  --bs-accordion-btn-color: var(--lm-text);
  --bs-accordion-btn-bg: var(--lm-surface);
  --bs-accordion-active-bg: var(--lm-surface-2);
  --bs-accordion-active-color: #fff;
  --bs-accordion-btn-focus-border-color: var(--lm-accent);
  --bs-accordion-btn-focus-box-shadow: 0 0 0 3px var(--lm-accent-ring);
  --bs-accordion-border-radius: 0.5rem;
}
.accordion-button { font-weight: 500; }
.accordion-button::after { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%238a948f'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e"); }
.accordion-button:not(.collapsed)::after { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ff6b6b'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e"); }

/* --- Tooltip & popover ------------------------------------ */
.tooltip-inner { background: #050706; color: var(--lm-text); font-size: 0.78rem; padding: 0.4rem 0.6rem; border-radius: 5px; }
.tooltip .tooltip-arrow::before { border-top-color: #050706; }
.popover {
  --bs-popover-bg: var(--lm-surface);
  --bs-popover-border-color: var(--lm-border);
  --bs-popover-header-bg: var(--lm-surface-2);
  --bs-popover-body-color: var(--lm-text);
  --bs-popover-header-color: #fff;
}

/* --- Spinners --------------------------------------------- */
.spinner-border, .spinner-grow { color: inherit; }
.spinner-accent.spinner-border, .spinner-accent.spinner-grow { color: var(--lm-accent); }

/* --- Offcanvas -------------------------------------------- */
.offcanvas {
  background: var(--lm-surface);
  color: var(--lm-text);
  border-color: var(--lm-border) !important;
  --bs-offcanvas-width: 280px;
}
.offcanvas-header {
  border-color: var(--lm-border) !important;
  padding: 0.7rem 1rem;
}
.mob-chevron { transition: transform .2s ease; flex-shrink: 0; font-size: 0.75rem; color: var(--lm-text-dim); }
[aria-expanded="true"] .mob-chevron { transform: rotate(-180deg); color: var(--lm-text-muted); }

/* Nav links inside the drawer match the desktop navbar style */
#mobileNav .nav-link {
  color: var(--lm-text-muted);
  font-size: 0.875rem;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  transition: color .15s ease, background-color .15s ease;
}
#mobileNav .nav-link:hover,
#mobileNav .nav-link:focus {
  color: var(--lm-text);
  background: var(--lm-surface-2);
}
/* Sub-level items slightly smaller */
#mobileNav .ms-3 .nav-link {
  font-size: 0.8125rem;
  padding: 0.3rem 0.75rem;
  color: var(--lm-text-dim);
}
#mobileNav .ms-3 .nav-link:hover,
#mobileNav .ms-3 .nav-link:focus {
  color: var(--lm-text);
  background: var(--lm-surface-2);
}
#mobileNav hr { border-color: var(--lm-border); opacity: 1; margin: 0.25rem 0; }
#mobileNav .border-top { border-color: var(--lm-border) !important; }

/* --- Scrollbar -------------------------------------------- */
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-thumb { background: #1f262b; border: 3px solid var(--lm-bg); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: #2a3338; }
::-webkit-scrollbar-track { background: var(--lm-bg); }

/* --- Selection -------------------------------------------- */
::selection { background: var(--lm-accent-ring); color: #fff; }

/* ============================================================
   Layout — custom app structure
   ============================================================ */

/* offset anchor scroll targets below the fixed top navigation */
[id] {
  scroll-margin-top: calc(var(--navbar-height) + 8px);
}

/* --- Layout: page-container -------------------------------- */
.page-container {
  width: 100%;
  max-width: 1320px;
  margin-right: auto;
  margin-left: auto;
  padding-right: 1rem;
  padding-left: 1rem;
}

/* Allow page-container to work as a Bootstrap navbar flex container */
.navbar > .page-container {
  display: flex;
  flex-wrap: inherit;
  align-items: center;
  justify-content: space-between;
}

/* --- Submenu flyouts (hover, opens to the right) ----------- */
.dropdown-submenu {
  position: relative;
}
.dropdown-submenu-menu {
  display: none;
  position: absolute;
  top: 0;
  left: 100%;
  min-width: 12rem;
  padding: 0.5rem 0;
  background-color: var(--lm-surface);
  border: 1px solid var(--lm-border);
  border-radius: var(--bs-border-radius);
  z-index: 1050;
  font-size: 0.875rem;
  list-style: none;
  box-shadow: 0 12px 28px rgba(0,0,0,0.45);
}
.dropdown-submenu:hover > .dropdown-submenu-menu {
  display: block;
}
.dropdown-submenu > a:not([href]) {
  cursor: pointer;
}

/* --- Twitch live banner ------------------------------------ */
.twitch-live-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  background-color: #a970ff;
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.twitch-live-banner:hover { background-color: #9b5de5; color: #fff; }
.twitch-live-spacer { height: 2.75rem; }

/* --- Layout: Footer ---------------------------------------- */
.footer {
  background-color: #000;
  border-top: 1px solid var(--lm-border);
  padding: 1.5rem 0;
  margin-top: auto;
}

/* --- Social icon colours ----------------------------------- */
.instagram { color: #ff0069; }
.youtube   { color: #ff0000; }
.twitch    { color: #a970ff; }
.discord   { color: #5865f2; }
.spotify   { color: #1DB954; }

/* --- drop-arrow-none --------------------------------------- */
.drop-arrow-none::after { display: none; }

/* ============================================================
   Blazor internals
   ============================================================ */
h1:focus { outline: none; }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}
.blazor-error-boundary::after { content: "An error has occurred." }

/* ============================================================
   Custom components
   ============================================================ */

/* --- Scroll to top button ---------------------------------- */
.scroll-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1040;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50% !important;
  border: none;
  background-color: var(--lm-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, background-color 0.15s;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}
.scroll-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.scroll-to-top:hover {
  background-color: var(--lm-accent-active);
}

/* --- Tournament result banner ------------------------------ */
.tournament-result-logo {
  height: 2rem;
  width: auto;
  max-width: 4rem;
  object-fit: contain;
  flex-shrink: 0;
}

/* --- nav-pills with filled inactive tabs ------------------- */
.nav-pills-filled .nav-link:not(.active) {
  background-color: var(--lm-surface-2);
  color: var(--lm-text-muted) !important;
}
.nav-pills-filled .nav-link:not(.active):hover {
  background-color: var(--lm-surface-3);
  color: var(--lm-text) !important;
}

/* --- Handbook sidebar nav ---------------------------------- */
.handbook-sidebar-nav {
  position: sticky;
  top: var(--navbar-height);
  height: calc(100vh - var(--navbar-height));
  overflow-y: auto;
  padding: 0.75rem 0;
}
.handbook-sidebar-nav .nav-link {
  font-size: 0.875rem;
  padding: 0.35rem 0.75rem !important;
  border-radius: var(--bs-border-radius) !important;
  color: var(--lm-text-muted) !important;
  transition: color 0.12s, background-color 0.12s;
}
.handbook-sidebar-nav .nav-link:hover {
  color: var(--lm-text) !important;
  background-color: var(--lm-surface-2) !important;
}
.handbook-sidebar-nav .nav-link.active {
  color: var(--lm-accent-fg) !important;
  background-color: var(--lm-accent) !important;
}

/* --- Tournament card classes ------------------------------- */
.tournament-logo { border-color: var(--lm-border) !important; }
.tournament-stats .bi { color: #fafafa; }

.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.65rem;
  background: var(--lm-surface-2);
  border: 1px solid var(--lm-border);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--lm-text);
}
.stat-pill .bi { color: #fafafa; }

.tournament-winners {
  border-top: 1px solid var(--lm-border);
  padding-top: 0.65rem;
}
.tournament-winners-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--lm-text-muted);
  margin-bottom: 0.35rem;
}

.tournament-card-header {
  padding: 1.5rem 1rem 1rem;
  border-bottom: 1px solid var(--lm-border);
  background-color: var(--lm-surface-2);
  border-radius: var(--bs-card-inner-border-radius) var(--bs-card-inner-border-radius) 0 0;
}
.tournament-card-logo {
  height: 5rem;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

/* WASM loading stack — spinner behind, content on top */
.wasm-loading-stack {
  display: grid;
  grid-template-areas: "stack";
}
.wasm-loading-stack > * {
  grid-area: stack;
}
.wasm-loading-spinner-layer {
  display: flex;
  justify-content: center;
  padding-top: 60px;
  z-index: 0;
}
.wasm-content-layer {
  z-index: 1;
  background-color: var(--lm-bg);
}
.wasm-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255,255,255,0.15);
  border-top-color: var(--lm-accent);
  border-radius: 50%;
  animation: wasm-spin 0.8s linear infinite;
}
@keyframes wasm-spin {
  to { transform: rotate(360deg); }
}