/* ============================================================
   Backend UI — Design System
   Tri-style system:
     • Skeuomorphism  → functional controls (.sk-*): buttons, toggles, sliders
     • Neumorphism    → background elements (.neu-*): cards, containers, inputs
     • Glassmorphism  → layers & overlays (.glass-*): modals, toolbar, sidebar, headers
   Base: dark OLED · accent #22C55E · Fira Sans / Fira Code
   ============================================================ */

:root {
  /* Palette */
  --bg: #05070f;
  --bg-raised: #0b101e;          /* neumorphic surface tone */
  --bg-sunken: #070b16;
  --fg: #f1f5f9;
  --fg-muted: #94a3b8;
  --fg-faint: #64748b;
  --accent: #22c55e;
  --accent-strong: #16a34a;
  --accent-soft: rgba(34, 197, 94, 0.14);
  --danger: #ef4444;
  --danger-strong: #b91c1c;
  --warning: #f59e0b;
  --info: #38bdf8;
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.28);

  /* Neumorphic shadow pair (dark theme: dark drop + faint light lift) */
  --neu-dark: rgba(0, 0, 0, 0.65);
  --neu-light: rgba(148, 163, 184, 0.07);
  --neu-out: 6px 6px 14px var(--neu-dark), -4px -4px 10px var(--neu-light);
  --neu-out-sm: 3px 3px 8px var(--neu-dark), -2px -2px 6px var(--neu-light);
  --neu-in: inset 4px 4px 10px rgba(0, 0, 0, 0.6), inset -3px -3px 8px var(--neu-light);
  --neu-in-sm: inset 2px 2px 6px rgba(0, 0, 0, 0.55), inset -2px -2px 5px var(--neu-light);

  /* Glass */
  --glass-bg: rgba(13, 19, 35, 0.62);
  --glass-bg-heavy: rgba(10, 15, 28, 0.78);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-blur: saturate(150%) blur(18px);

  /* Type */
  --font-ui: "Fira Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Fira Code", ui-monospace, "Cascadia Code", monospace;

  /* Rhythm */
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --space-1: 4px; --space-2: 8px; --space-3: 16px; --space-4: 24px; --space-5: 32px; --space-6: 48px;

  /* Z scale */
  --z-nav: 40; --z-toolbar: 50; --z-overlay: 100; --z-modal: 110; --z-toast: 1000;

  --transition: 200ms cubic-bezier(0.3, 0.7, 0.4, 1);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  /* Subtle depth: radial glow top-left so neumorphic light direction reads */
  background-image:
    radial-gradient(1200px 800px at 15% -10%, rgba(34, 197, 94, 0.05), transparent 60%),
    radial-gradient(1000px 700px at 110% 110%, rgba(56, 189, 248, 0.04), transparent 60%);
  background-attachment: fixed;
  color: var(--fg);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100dvh;
}
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 var(--space-3); font-weight: 600; }
h1 { font-size: 1.7rem; } h2 { font-size: 1.35rem; } h3 { font-size: 1.1rem; }
p { margin: 0 0 var(--space-3); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; vertical-align: middle; }
code, .mono, .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
::selection { background: rgba(34, 197, 94, 0.35); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ============================================================
   SKEUOMORPHISM — functional controls
   Physical, pressable, machined. Gradients + bevels + travel.
   ============================================================ */

/* --- Buttons: raised keycaps with bevel, highlight and press travel --- */
.sk-btn {
  --btn-top: #1e293b; --btn-bottom: #0f172a; --btn-text: var(--fg);
  --btn-edge: rgba(0, 0, 0, 0.8); --btn-glow: transparent;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 20px;
  font: 600 0.95rem var(--font-ui);
  letter-spacing: 0.01em;
  color: var(--btn-text);
  cursor: pointer;
  user-select: none;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.75);
  background:
    linear-gradient(180deg, var(--btn-top), var(--btn-bottom));
  /* keycap: top inner highlight, bottom inner shade, drop shadow = raised */
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    inset 0 -2px 3px rgba(0, 0, 0, 0.45),
    0 3px 6px rgba(0, 0, 0, 0.55),
    0 0 18px var(--btn-glow);
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.4);
  transition: box-shadow var(--transition), transform var(--transition), filter var(--transition);
  touch-action: manipulation;
}
.sk-btn:hover { filter: brightness(1.12); }
.sk-btn:active {
  transform: translateY(1.5px);
  box-shadow:
    inset 0 2px 6px rgba(0, 0, 0, 0.6),
    inset 0 -1px 0 rgba(255, 255, 255, 0.06),
    0 1px 2px rgba(0, 0, 0, 0.5);
}
.sk-btn:disabled, .sk-btn[aria-busy="true"] {
  opacity: 0.45; cursor: not-allowed; transform: none; filter: none;
}
.sk-btn--primary {
  --btn-top: #2ee06f; --btn-bottom: #15803d; --btn-text: #04120a;
  --btn-glow: rgba(34, 197, 94, 0.25);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.25);
}
.sk-btn--danger {
  --btn-top: #f87171; --btn-bottom: #b91c1c; --btn-text: #1c0505;
  --btn-glow: rgba(239, 68, 68, 0.2);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.2);
}
.sk-btn--sm { min-height: 36px; padding: 6px 14px; font-size: 0.85rem; border-radius: 10px; }
.sk-btn--icon { padding: 10px; width: 44px; }
.sk-btn .spinner { display: none; }
.sk-btn[aria-busy="true"] .spinner { display: inline-block; }

/* --- Toggle: physical rocker switch --- */
.sk-toggle {
  position: relative;
  display: inline-block;
  width: 58px; height: 32px;
  flex: none;
  cursor: pointer;
}
.sk-toggle input {
  position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer;
}
.sk-toggle .track {
  position: absolute; inset: 0;
  border-radius: 999px;
  background: linear-gradient(180deg, #05080f, #111827);
  border: 1px solid rgba(0, 0, 0, 0.85);
  box-shadow:
    inset 0 2px 6px rgba(0, 0, 0, 0.8),
    inset 0 -1px 0 rgba(255, 255, 255, 0.05),
    0 1px 0 rgba(255, 255, 255, 0.05);
  transition: background var(--transition), box-shadow var(--transition);
}
.sk-toggle .thumb {
  position: absolute; top: 3px; left: 3px;
  width: 26px; height: 26px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, #f8fafc, #cbd5e1 55%, #64748b);
  border: 1px solid rgba(0, 0, 0, 0.6);
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.9),
    0 2px 4px rgba(0, 0, 0, 0.7);
  transition: transform var(--transition);
}
.sk-toggle input:checked ~ .track {
  background: linear-gradient(180deg, #14532d, #16a34a);
  box-shadow:
    inset 0 2px 6px rgba(0, 0, 0, 0.55),
    inset 0 -1px 0 rgba(255, 255, 255, 0.12),
    0 0 14px rgba(34, 197, 94, 0.35);
}
.sk-toggle input:checked ~ .thumb { transform: translateX(26px); }
.sk-toggle input:focus-visible ~ .track { outline: 2px solid var(--accent); outline-offset: 2px; }

/* --- Slider: grooved rail + machined knob --- */
.sk-slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 32px;
  background: transparent; cursor: pointer;
}
.sk-slider::-webkit-slider-runnable-track {
  height: 10px; border-radius: 999px;
  background: linear-gradient(180deg, #04060c, #101827);
  border: 1px solid rgba(0, 0, 0, 0.85);
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.8), 0 1px 0 rgba(255, 255, 255, 0.05);
}
.sk-slider::-moz-range-track {
  height: 10px; border-radius: 999px;
  background: linear-gradient(180deg, #04060c, #101827);
  border: 1px solid rgba(0, 0, 0, 0.85);
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.8);
}
.sk-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 26px; height: 26px; margin-top: -9px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #f8fafc, #cbd5e1 55%, #64748b);
  border: 1px solid rgba(0, 0, 0, 0.6);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.9), 0 2px 5px rgba(0, 0, 0, 0.7);
}
.sk-slider::-moz-range-thumb {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #f8fafc, #cbd5e1 55%, #64748b);
  border: 1px solid rgba(0, 0, 0, 0.6);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.9), 0 2px 5px rgba(0, 0, 0, 0.7);
}
.sk-slider::-moz-range-progress { background: var(--accent-strong); height: 10px; border-radius: 999px; }

/* ============================================================
   NEUMORPHISM — background elements
   Soft-extruded surfaces sharing the page background tone.
   ============================================================ */

.neu-card {
  background: var(--bg-raised);
  border-radius: var(--r-lg);
  border: 1px solid rgba(255, 255, 255, 0.03);
  box-shadow: var(--neu-out);
  padding: var(--space-4);
}
.neu-card--sm { padding: var(--space-3); border-radius: var(--r-md); box-shadow: var(--neu-out-sm); }

.neu-inset {
  background: var(--bg-sunken);
  border-radius: var(--r-md);
  box-shadow: var(--neu-in);
  padding: var(--space-3);
}

/* Inputs: carved-in wells */
.neu-input, .neu-select, .neu-textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  font: 400 0.95rem var(--font-ui);
  color: var(--fg);
  background: var(--bg-sunken);
  border: 1px solid rgba(0, 0, 0, 0.5);
  border-radius: var(--r-sm);
  box-shadow: var(--neu-in-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.neu-textarea { min-height: 96px; resize: vertical; line-height: 1.5; }
.neu-input::placeholder, .neu-textarea::placeholder { color: var(--fg-faint); }
.neu-input:focus, .neu-select:focus, .neu-textarea:focus {
  outline: none;
  border-color: rgba(34, 197, 94, 0.6);
  box-shadow: var(--neu-in-sm), 0 0 0 3px rgba(34, 197, 94, 0.18);
}
.neu-select {
  appearance: none;
  padding-right: 38px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
}
.neu-select option { background: var(--bg-raised); color: var(--fg); }

/* Field scaffolding */
.field { margin-bottom: var(--space-3); }
.field > label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-muted);
}
.field .hint { font-size: 0.78rem; color: var(--fg-faint); margin-top: 5px; }
.field .error { font-size: 0.8rem; color: var(--danger); margin-top: 5px; }
.field.invalid .neu-input, .field.invalid .neu-select, .field.invalid .neu-textarea { border-color: var(--danger); }

/* Stat tiles */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: var(--space-3); }
.stat {
  background: var(--bg-raised);
  border-radius: var(--r-md);
  border: 1px solid rgba(255, 255, 255, 0.03);
  box-shadow: var(--neu-out-sm);
  padding: var(--space-3);
}
.stat .label { font-size: 0.78rem; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.stat .value { font: 600 1.5rem var(--font-mono); margin-top: 4px; }
.stat .value.pos { color: var(--accent); }

/* ============================================================
   GLASSMORPHISM — layers & overlays
   Frosted panes floating above the neumorphic ground.
   ============================================================ */

.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.5);
}

/* App header */
.glass-header {
  position: sticky; top: 0; z-index: var(--z-toolbar);
  display: flex; align-items: center; gap: var(--space-3);
  min-height: 60px;
  padding: 10px var(--space-4);
  background: var(--glass-bg-heavy);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
}
.glass-header .brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 1.05rem; }
.glass-header .spacer { flex: 1; }

/* Side panel */
.glass-sidebar {
  position: fixed; top: 0; bottom: 0; left: 0; z-index: var(--z-nav);
  width: 248px;
  display: flex; flex-direction: column;
  padding: var(--space-3);
  background: var(--glass-bg-heavy);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--glass-border);
  overflow-y: auto;
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  min-height: 42px;
  padding: 8px 12px;
  margin-bottom: 2px;
  border-radius: var(--r-sm);
  color: var(--fg-muted);
  font-weight: 500; font-size: 0.92rem;
  cursor: pointer;
  border: 1px solid transparent;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-ui);
  transition: background var(--transition), color var(--transition);
}
.nav-item:hover { background: rgba(255, 255, 255, 0.05); color: var(--fg); text-decoration: none; }
.nav-item[aria-current="page"], .nav-item.active {
  background: var(--accent-soft);
  border-color: rgba(34, 197, 94, 0.25);
  color: var(--accent);
}
.nav-item svg { width: 20px; height: 20px; flex: none; }
.nav-section { margin: var(--space-3) 0 var(--space-2); padding: 0 12px; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--fg-faint); }

/* Toolbar (sticky action bar within content) */
.glass-toolbar {
  position: sticky; top: 60px; z-index: var(--z-nav);
  display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-2);
  padding: 10px var(--space-3);
  margin-bottom: var(--space-3);
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
}

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; z-index: var(--z-overlay);
  display: none;
  align-items: center; justify-content: center;
  padding: var(--space-3);
  background: rgba(2, 4, 10, 0.55);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.modal-overlay.open { display: flex; animation: fadeIn 180ms ease-out; }
.glass-modal {
  z-index: var(--z-modal);
  width: 100%; max-width: 560px;
  max-height: min(86dvh, 720px);
  display: flex; flex-direction: column;
  background: var(--glass-bg-heavy);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.65);
  animation: modalIn 220ms cubic-bezier(0.2, 0.9, 0.3, 1.05);
}
.glass-modal--lg { max-width: 780px; }
.glass-modal .modal-head {
  display: flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--glass-border);
}
.glass-modal .modal-head h3 { margin: 0; flex: 1; }
.glass-modal .modal-body { padding: var(--space-4); overflow-y: auto; }
.glass-modal .modal-foot {
  display: flex; justify-content: flex-end; gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--glass-border);
}
@keyframes modalIn { from { opacity: 0; transform: translateY(14px) scale(0.97); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---------- Layout shell ---------- */
.app-shell { min-height: 100dvh; }
.app-main { padding: var(--space-4); }
@media (min-width: 1024px) {
  .app-main { margin-left: 248px; padding: var(--space-4) var(--space-5); }
}
@media (max-width: 1023.98px) {
  .glass-sidebar { transform: translateX(-100%); transition: transform 240ms ease-out; }
  .glass-sidebar.open { transform: none; box-shadow: 24px 0 60px rgba(0,0,0,0.6); }
  .glass-toolbar { top: 60px; }
}
.page-title { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; margin-bottom: var(--space-3); }
.page-title h1 { margin: 0; flex: 1; min-width: 200px; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--r-md); }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 560px; }
.data-table th {
  text-align: left; padding: 10px 14px;
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--fg-muted);
  border-bottom: 1px solid var(--border-strong);
  white-space: nowrap;
}
.data-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tbody tr { transition: background 150ms ease; }
.data-table tbody tr:hover { background: rgba(255, 255, 255, 0.03); }
.data-table .num { text-align: right; }

/* ---------- Bits ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem; font-weight: 600;
  border: 1px solid;
}
.badge--ok { color: var(--accent); border-color: rgba(34,197,94,0.4); background: rgba(34,197,94,0.1); }
.badge--warn { color: var(--warning); border-color: rgba(245,158,11,0.4); background: rgba(245,158,11,0.1); }
.badge--bad { color: #fca5a5; border-color: rgba(239,68,68,0.4); background: rgba(239,68,68,0.12); }
.badge--info { color: var(--info); border-color: rgba(56,189,248,0.4); background: rgba(56,189,248,0.1); }
.badge--muted { color: var(--fg-muted); border-color: var(--border-strong); background: rgba(148,163,184,0.08); }

.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot--ok { background: var(--accent); box-shadow: 0 0 8px rgba(34,197,94,0.8); }
.dot--bad { background: var(--danger); box-shadow: 0 0 8px rgba(239,68,68,0.8); }

.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.25);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.skeleton {
  border-radius: var(--r-sm);
  background: linear-gradient(100deg, var(--bg-raised) 40%, rgba(148,163,184,0.1) 50%, var(--bg-raised) 60%);
  background-size: 200% 100%;
  animation: shimmer 1.3s infinite linear;
  min-height: 18px;
}
@keyframes shimmer { to { background-position: -200% 0; } }

.empty-state { text-align: center; padding: var(--space-6) var(--space-3); color: var(--fg-muted); }
.empty-state svg { width: 44px; height: 44px; opacity: 0.5; margin-bottom: var(--space-2); }

/* Toasts */
.toast-stack {
  position: fixed; bottom: var(--space-3); right: var(--space-3); z-index: var(--z-toast);
  display: flex; flex-direction: column; gap: var(--space-2);
  max-width: min(380px, calc(100vw - 32px));
}
.toast {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 16px;
  background: var(--glass-bg-heavy);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-md);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  font-size: 0.9rem;
  animation: toastIn 220ms cubic-bezier(0.2, 0.9, 0.3, 1.05);
}
.toast--error { border-left-color: var(--danger); }
.toast--warn { border-left-color: var(--warning); }
@keyframes toastIn { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: none; } }

/* Tabs (neumorphic groove w/ raised active pill) */
.tabs {
  display: inline-flex; gap: 4px; padding: 5px;
  background: var(--bg-sunken);
  border-radius: 999px;
  box-shadow: var(--neu-in-sm);
  max-width: 100%; overflow-x: auto;
}
.tab {
  border: none; background: none; cursor: pointer;
  padding: 8px 18px; min-height: 38px;
  border-radius: 999px;
  color: var(--fg-muted); font: 500 0.88rem var(--font-ui);
  white-space: nowrap;
  transition: color var(--transition), background var(--transition), box-shadow var(--transition);
}
.tab:hover { color: var(--fg); }
.tab.active, .tab[aria-selected="true"] {
  color: #04120a;
  background: linear-gradient(180deg, #2ee06f, #16a34a);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.35), 0 2px 6px rgba(0,0,0,0.5);
}

/* Utilities */
.row { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.row--between { justify-content: space-between; }
.grid-2 { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
.grid-3 { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}
.muted { color: var(--fg-muted); }
.faint { color: var(--fg-faint); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-3 { margin-top: var(--space-3); } .mb-3 { margin-bottom: var(--space-3); }
.mt-4 { margin-top: var(--space-4); } .mb-4 { margin-bottom: var(--space-4); }
.w-full { width: 100%; }
.hide-mobile { display: none; }
@media (min-width: 768px) { .hide-mobile { display: initial; } }
.only-mobile { display: initial; }
@media (min-width: 1024px) { .only-mobile { display: none; } }

/* Auth / centered single-card pages */
.auth-wrap {
  min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-3);
}
.auth-card { width: 100%; max-width: 420px; }
.auth-card .logo { display: flex; justify-content: center; margin-bottom: var(--space-4); }

/* Plain selection checkboxes (bulk tables) */
.prod-check {
  width: 18px; height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* QR panel */
.qr-box {
  display: flex; align-items: center; justify-content: center;
  background: #fff; border-radius: var(--r-md); padding: var(--space-3);
  box-shadow: var(--neu-out-sm);
  width: fit-content; margin-inline: auto;
}
.qr-box img { image-rendering: pixelated; width: 240px; height: 240px; }

/* ============================================================
   THEME-SKIN HOOKS (additive) — /admin/skin.css overrides these
   :root variables to recolor the whole admin UI. Defaults below
   reproduce the original hand-tuned emerald values exactly, so
   nothing changes until a skin is applied.
   ============================================================ */
:root {
  --accent-grad-top: #2ee06f;     /* keycap gradient top (lightened accent) */
  --accent-grad-bottom: #15803d;  /* keycap gradient bottom (deepened accent) */
  --on-accent: #04120a;           /* text placed ON the accent gradient */
}
.sk-btn--primary {
  --btn-top: var(--accent-grad-top);
  --btn-bottom: var(--accent-grad-bottom);
  --btn-text: var(--on-accent);
  --btn-glow: color-mix(in srgb, var(--accent) 25%, transparent);
}
.sk-toggle input:checked ~ .track {
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent-strong) 45%, #04120a), var(--accent-strong));
  box-shadow:
    inset 0 2px 6px rgba(0, 0, 0, 0.55),
    inset 0 -1px 0 rgba(255, 255, 255, 0.12),
    0 0 14px color-mix(in srgb, var(--accent) 35%, transparent);
}
.tab.active, .tab[aria-selected="true"] {
  color: var(--on-accent);
  background: linear-gradient(180deg, var(--accent-grad-top), var(--accent-strong));
}
.sk-slider::-moz-range-progress { background: var(--accent-strong); }
.nav-item[aria-current="page"], .nav-item.active {
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
}
::selection { background: color-mix(in srgb, var(--accent) 35%, transparent); }
.neu-input:focus, .neu-select:focus, .neu-textarea:focus {
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
  box-shadow: var(--neu-in-sm), 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.badge--ok {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.dot--ok { background: var(--accent); box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 80%, transparent); }