:root {
  --bg: #07070b;
  --bg-2: #0c0c14;
  --surface: rgba(255,255,255,0.025);
  --surface-2: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.06);
  --border-2: rgba(255,255,255,0.10);
  --text: #e7e7ea;
  --text-2: #a1a1aa;
  --text-3: #71717a;
  --accent: #818cf8;
  --accent-2: #c084fc;
  --accent-3: #34d399;
  --warn: #fbbf24;
  --error: #f87171;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 1200px 800px at 10% -10%, rgba(99,102,241,0.10), transparent 50%),
    radial-gradient(ellipse 1000px 600px at 90% 5%, rgba(192,132,252,0.08), transparent 50%),
    radial-gradient(ellipse 800px 600px at 50% 100%, rgba(52,211,153,0.05), transparent 50%);
  background-attachment: fixed;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.005em;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); border-radius: 10px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); background-clip: padding-box; border: 2px solid transparent; }

.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }

.gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, #c084fc 50%, #f472b6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.grid-bg {
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  background-position: -1px -1px;
}

.dot-bg {
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 22px 22px;
}

.glass {
  background: rgba(15,15,22,0.55);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid var(--border);
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: 16px;
  position: relative;
}
.card-hover { transition: all .2s ease; }
.card-hover:hover { border-color: var(--border-2); transform: translateY(-1px); }

.divider { height: 1px; background: var(--border); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .55rem 1rem;
  border-radius: 10px;
  font-weight: 500;
  font-size: .875rem;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  white-space: nowrap;
  user-select: none;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-sm { padding: .4rem .75rem; font-size: .8125rem; }
.btn-lg { padding: .75rem 1.25rem; font-size: .9375rem; }
.btn-icon { padding: .55rem; }
.btn-primary {
  background: linear-gradient(135deg, #6366f1, #8b5cf6 55%, #a855f7);
  color: white;
  box-shadow: 0 8px 24px -6px rgba(99,102,241,.45), inset 0 1px 0 rgba(255,255,255,.18);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 12px 32px -6px rgba(99,102,241,.6), inset 0 1px 0 rgba(255,255,255,.2); }
.btn-secondary {
  background: rgba(255,255,255,0.04);
  border-color: var(--border-2);
  color: var(--text);
}
.btn-secondary:hover:not(:disabled) { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,.16); }
.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover:not(:disabled) { background: rgba(255,255,255,0.05); color: var(--text); }
.btn-danger { background: rgba(248,113,113,.1); color: #fca5a5; border-color: rgba(248,113,113,.2); }
.btn-danger:hover:not(:disabled) { background: rgba(248,113,113,.18); }
.btn-success { background: rgba(52,211,153,.12); color: #6ee7b7; border-color: rgba(52,211,153,.22); }
.btn-success:hover:not(:disabled) { background: rgba(52,211,153,.2); }

/* Inputs */
.input, .select, .textarea {
  width: 100%;
  padding: .625rem .875rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: .875rem;
  font-family: inherit;
  transition: all .15s ease;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: rgba(129,140,248,.5);
  background: rgba(255,255,255,0.05);
  box-shadow: 0 0 0 4px rgba(129,140,248,.08);
}
.input::placeholder, .textarea::placeholder { color: var(--text-3); }
.textarea { min-height: 100px; resize: vertical; line-height: 1.5; }
.label { display: block; font-size: .75rem; color: var(--text-2); margin-bottom: .375rem; font-weight: 500; letter-spacing: .02em; text-transform: uppercase; }
.select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  padding-right: 2.25rem;
}

/* Nav */
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .55rem .75rem;
  border-radius: 10px;
  font-size: .875rem;
  color: var(--text-2);
  cursor: pointer;
  transition: all .15s ease;
  font-weight: 500;
}
.nav-item:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.nav-item.active { background: rgba(129,140,248,0.10); color: #c7d2fe; }
.nav-item.active::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  background: linear-gradient(180deg, #818cf8, #c084fc);
  border-radius: 0 3px 3px 0;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .2rem .55rem;
  border-radius: 999px;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .02em;
  text-transform: uppercase;
  border: 1px solid transparent;
}
.badge-success { background: rgba(52,211,153,.12); color: #6ee7b7; border-color: rgba(52,211,153,.22); }
.badge-warn { background: rgba(251,191,36,.12); color: #fcd34d; border-color: rgba(251,191,36,.22); }
.badge-error { background: rgba(248,113,113,.12); color: #fca5a5; border-color: rgba(248,113,113,.22); }
.badge-info { background: rgba(129,140,248,.12); color: #c7d2fe; border-color: rgba(129,140,248,.22); }
.badge-purple { background: rgba(192,132,252,.12); color: #e9d5ff; border-color: rgba(192,132,252,.22); }
.badge-neutral { background: rgba(255,255,255,.05); color: var(--text-2); border-color: var(--border); }

.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  display: inline-block;
}
.dot-pulse {
  position: relative;
}
.dot-pulse::after {
  content: '';
  position: absolute;
  inset: -3px;
  background: currentColor;
  border-radius: 50%;
  opacity: .3;
  animation: pulse 1.6s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(.7); opacity: .5; }
  100% { transform: scale(2.4); opacity: 0; }
}

/* Tabs */
.tab {
  padding: .75rem .25rem;
  margin-right: 1.5rem;
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all .15s ease;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-color: #818cf8; }

/* Tables */
.table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.table thead th {
  text-align: left;
  font-size: .6875rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-3);
  font-weight: 600;
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--border);
}
.table tbody td {
  padding: .9rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,.035);
  vertical-align: middle;
}
.table tbody tr { transition: background .15s ease; }
.table tbody tr:hover { background: rgba(255,255,255,0.015); }
.table tbody tr:last-child td { border-bottom: none; }

/* Avatars */
.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: .75rem;
  color: white;
  flex-shrink: 0;
}
.avatar-sm { width: 28px; height: 28px; font-size: .6875rem; }
.avatar-lg { width: 52px; height: 52px; font-size: 1rem; }

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn .2s ease;
}
.modal {
  background: #0e0e16;
  border: 1px solid var(--border-2);
  border-radius: 16px;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  animation: modalIn .25s cubic-bezier(.2,.9,.3,1.1);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.7);
}
.modal-lg { max-width: 820px; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn { from { opacity: 0; transform: translateY(12px) scale(.97); } to { opacity: 1; transform: translateY(0) scale(1); } }

/* Toast */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  pointer-events: none;
}
.toast {
  background: #0f0f18;
  border: 1px solid var(--border-2);
  border-radius: 12px;
  padding: .75rem 1rem;
  min-width: 260px;
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .875rem;
  box-shadow: 0 12px 36px -8px rgba(0,0,0,.5);
  animation: toastIn .25s ease forwards;
  pointer-events: auto;
}
@keyframes toastIn { from { opacity: 0; transform: translateX(12px); } to { opacity: 1; transform: translateX(0); } }
.toast.success { border-left: 3px solid #34d399; }
.toast.error { border-left: 3px solid #f87171; }
.toast.info { border-left: 3px solid #818cf8; }

/* Signature canvas */
.sig-pad {
  background: white;
  border-radius: 12px;
  touch-action: none;
  display: block;
  width: 100%;
  cursor: crosshair;
}

/* QR */
.qr-card {
  background: white;
  padding: 1.25rem;
  border-radius: 16px;
  display: inline-block;
  box-shadow: 0 20px 60px -10px rgba(99,102,241,.3);
}
.qr-card img, .qr-card canvas { display: block; }

/* Stat number animation */
.stat-num {
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}

/* Fade in animations */
.fade-in { animation: fadeUp .4s cubic-bezier(.2,.8,.3,1) forwards; opacity: 0; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.fade-in-1 { animation-delay: .05s; }
.fade-in-2 { animation-delay: .1s; }
.fade-in-3 { animation-delay: .15s; }
.fade-in-4 { animation-delay: .2s; }

/* Skeletons */
.skeleton { background: linear-gradient(90deg, rgba(255,255,255,.04), rgba(255,255,255,.08), rgba(255,255,255,.04)); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 6px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* Login cards (role select) */
.role-card {
  position: relative;
  padding: 2rem 1.75rem;
  border-radius: 20px;
  background: rgba(255,255,255,.025);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all .25s cubic-bezier(.2,.8,.3,1);
  overflow: hidden;
}
.role-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(129,140,248,.08), rgba(192,132,252,.08));
  opacity: 0;
  transition: opacity .25s ease;
}
.role-card:hover { transform: translateY(-3px); border-color: var(--border-2); box-shadow: 0 20px 60px -10px rgba(0,0,0,.3); }
.role-card:hover::before { opacity: 1; }
.role-card > * { position: relative; z-index: 1; }

/* Icons sizing */
[data-lucide] { width: 1em; height: 1em; }
.icon { width: 1em; height: 1em; }

/* Lightning bolt accent for buttons */
.shine {
  position: relative;
  overflow: hidden;
}
.shine::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: -50%;
  width: 30%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.15), transparent);
  transform: skewX(-20deg);
  transition: left .8s ease;
}
.shine:hover::after { left: 130%; }

/* Stat card */
.stat-card {
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.005));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-color, #818cf8), transparent);
  opacity: .4;
}

/* Live indicator */
.live-pulse {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .15rem .55rem;
  background: rgba(248,113,113,.15);
  border: 1px solid rgba(248,113,113,.3);
  border-radius: 999px;
  font-size: .6875rem;
  font-weight: 700;
  color: #fca5a5;
  letter-spacing: .05em;
}
.live-pulse::before {
  content: '';
  width: 6px; height: 6px;
  background: #f87171;
  border-radius: 50%;
  animation: pulse-live 1.2s ease-in-out infinite;
  box-shadow: 0 0 0 0 #f87171;
}
@keyframes pulse-live {
  0%, 100% { box-shadow: 0 0 0 0 rgba(248,113,113,.6); }
  50% { box-shadow: 0 0 0 6px rgba(248,113,113,0); }
}

/* Checkbox */
.checkbox {
  width: 18px; height: 18px;
  border-radius: 5px;
  border: 1.5px solid var(--border-2);
  background: rgba(255,255,255,.04);
  appearance: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .15s ease;
}
.checkbox:checked {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-color: #818cf8;
  background-image: linear-gradient(135deg, #6366f1, #8b5cf6), url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'><polyline points='20 6 9 17 4 12'/></svg>");
}
.checkbox:checked {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-color: #818cf8;
}
.checkbox:checked::after {
  content: '';
  width: 10px; height: 10px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-size: contain;
  background-repeat: no-repeat;
}

/* Progress */
.progress {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,.05);
  border-radius: 999px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #818cf8, #c084fc);
  border-radius: 999px;
  transition: width .5s cubic-bezier(.2,.8,.3,1);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-3);
}

/* Spinner */
.spinner {
  width: 22px; height: 22px;
  border: 2px solid rgba(255,255,255,.1);
  border-top-color: #818cf8;
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Mobile sign page */
.sign-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
  .sidebar { transform: translateX(-100%); transition: transform .25s ease; }
  .sidebar.open { transform: translateX(0); }
}