:root {
  --background: #ffffff;
  --foreground: #0f172a;
  --muted: #f1f5f9;
  --muted-foreground: #64748b;
  --primary: #4f46e5;
  --primary-foreground: #ffffff;
  --border: #e2e8f0;
  --input: #e2e8f0;
  --ring: #6366f1;
  --radius: 10px;
  --space: 16px;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

html[data-theme="dark"] {
  --background: #020617;
  --foreground: #f8fafc;
  --muted: #1e293b;
  --muted-foreground: #94a3b8;
  --primary: #6366f1;
  --primary-foreground: #ffffff;
  --border: #1e293b;
  --input: #1e293b;
  --ring: #818cf8;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.5), 0 2px 4px -1px rgb(0 0 0 / 0.5);
  --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--foreground);
  background: var(--background);
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica Neue, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 960px; margin: 0 auto; padding: var(--space); }
.hero { display: none; }

/* Navbar */
.nav {
  display: flex;
  gap: var(--space);
  padding: var(--space);
  border-bottom: 1px solid var(--border);
  flex-wrap: nowrap;
  overflow-x: auto;
  align-items: center;
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--background) 90%, transparent);
  backdrop-filter: blur(8px);
  z-index: 100;
  margin: 0 calc(var(--space) * -1); /* Full width on mobile */
  padding-left: var(--space);
  padding-right: var(--space);
}
@media(min-width: 960px) {
  .nav { margin: 0; width: 100%; border-bottom: none; background: transparent; backdrop-filter: none; padding: var(--space) 0; }
}

.nav-main { display: flex; gap: 8px; margin: 0; }
.nav-actions { display: flex; gap: 8px; margin-left: auto; }
.nav > * { flex-shrink: 0; }
.nav a {
  display: inline-flex;
  align-items: center;
  color: var(--muted-foreground);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--radius);
  font-weight: 500;
  transition: all 0.2s;
}
.nav a:hover { color: var(--foreground); background: var(--muted); }
.nav a.active { color: var(--primary); background: color-mix(in srgb, var(--primary) 10%, transparent); }

/* Footer */
.footer {
  margin-top: 40px;
  padding: 24px;
  color: var(--muted-foreground);
  text-align: center;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
}

/* Card */
.card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card.auth { max-width: 480px; margin: 40px auto; }
.divider { height: 1px; background: var(--border); margin: 24px 0; }

/* Stats */
.stat-grid {
  display: none;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}
@media(min-width: 768px) { .stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); } }
.stat-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-card .label { font-size: 13px; font-weight: 500; color: var(--muted-foreground); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card .value { font-size: 28px; font-weight: 700; color: var(--foreground); line-height: 1; }

/* Form Elements */
.input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--input);
  border-radius: var(--radius);
  background: var(--background);
  color: var(--foreground);
  outline: none;
  transition: all 0.2s;
  font-size: 14px;
}
.input:focus {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ring) 20%, transparent);
}
.textarea {
  width: 100%;
  min-height: 180px;
  padding: 12px 14px;
  border: 1px solid var(--input);
  border-radius: var(--radius);
  resize: vertical;
  background: var(--background);
  color: var(--foreground);
  outline: none;
  font-family: inherit;
  transition: all 0.2s;
  line-height: 1.6;
}
.textarea:focus {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ring) 20%, transparent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--background);
  color: var(--foreground);
  cursor: pointer;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.2s;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}
.btn:hover { background: var(--muted); border-color: color-mix(in srgb, var(--border) 80%, black); }
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: transparent;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.1), 0 0 0 1px color-mix(in srgb, var(--primary) 90%, black);
}
.btn-primary:hover { background: color-mix(in srgb, var(--primary) 90%, black); box-shadow: 0 4px 6px -1px rgba(0,0,0,0.2); }
.btn-outline { background: transparent; border-color: var(--input); }
.btn-ghost { background: transparent; border-color: transparent; box-shadow: none; color: var(--muted-foreground); }
.btn-ghost:hover { background: var(--muted); color: var(--foreground); }
.btn-danger { background: var(--danger); color: #fff; border-color: transparent; }
.btn-sm { height: 32px; padding: 0 12px; font-size: 13px; }

/* Layout Utils */
.row { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media(min-width: 768px) { .row.cols-2 { grid-template-columns: 1fr 1fr; } }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
  border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent);
}

.list { display: flex; flex-direction: column; gap: 12px; }
.list-item { display: flex; flex-direction: column; gap: 8px; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius); }

.code {
  background: #1e293b;
  color: #e2e8f0;
  border-radius: var(--radius);
  padding: 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
}

/* Utilities */
.hide-sm { display: flex; }
@media(max-width: 600px) { .hide-sm { display: none; } }

/* Toast */
.toast-wrap { position: fixed; left: 0; right: 0; top: 20px; display: flex; justify-content: center; pointer-events: none; z-index: 9999; }
.toast {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--foreground);
  color: var(--background);
  font-weight: 500;
  box-shadow: var(--shadow-md);
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes slideIn { from { transform: translateY(-100%); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.toast.error { background: var(--danger); color: white; }
.toast.success { background: var(--success); color: white; }

/* Modal */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 9998;
  animation: fadeIn 0.2s ease-out;
}
.modal {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  min-width: 320px;
  max-width: 90vw;
  box-shadow: var(--shadow-md);
  animation: scaleIn 0.2s ease-out;
}
.modal .actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* Icons (Modern Outline Style - Feather/Lucide/Heroicons inspired) */
.icon {
  width: 18px;
  height: 18px;
  display: inline-block;
  background-color: currentColor;
  mask-size: contain;
  mask-position: center;
  mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  -webkit-mask-position: center;
  -webkit-mask-repeat: no-repeat;
  vertical-align: middle;
}
.nav a .icon { margin-right: 8px; }
.btn .icon { margin-right: 8px; }

/* SVG Data URIs - Stroke based, mask picks up stroke */
.i-home { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z'/%3E%3Cpolyline points='9 22 9 12 15 12 15 22'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z'/%3E%3Cpolyline points='9 22 9 12 15 12 15 22'/%3E%3C/svg%3E"); }
.i-login { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 3h4a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2h-4'/%3E%3Cpolyline points='10 17 15 12 10 7'/%3E%3Cline x1='15' y1='12' x2='3' y2='12'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 3h4a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2h-4'/%3E%3Cpolyline points='10 17 15 12 10 7'/%3E%3Cline x1='15' y1='12' x2='3' y2='12'/%3E%3C/svg%3E"); }
.i-register { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='8.5' cy='7' r='4'/%3E%3Cline x1='20' y1='8' x2='20' y2='14'/%3E%3Cline x1='23' y1='11' x2='17' y2='11'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='8.5' cy='7' r='4'/%3E%3Cline x1='20' y1='8' x2='20' y2='14'/%3E%3Cline x1='23' y1='11' x2='17' y2='11'/%3E%3C/svg%3E"); }
.i-records { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='8' y1='6' x2='21' y2='6'/%3E%3Cline x1='8' y1='12' x2='21' y2='12'/%3E%3Cline x1='8' y1='18' x2='21' y2='18'/%3E%3Cline x1='3' y1='6' x2='3.01' y2='6'/%3E%3Cline x1='3' y1='12' x2='3.01' y2='12'/%3E%3Cline x1='3' y1='18' x2='3.01' y2='18'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='8' y1='6' x2='21' y2='6'/%3E%3Cline x1='8' y1='12' x2='21' y2='12'/%3E%3Cline x1='8' y1='18' x2='21' y2='18'/%3E%3Cline x1='3' y1='6' x2='3.01' y2='6'/%3E%3Cline x1='3' y1='12' x2='3.01' y2='12'/%3E%3Cline x1='3' y1='18' x2='3.01' y2='18'/%3E%3C/svg%3E"); }
.i-theme { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='5'/%3E%3Cline x1='12' y1='1' x2='12' y2='3'/%3E%3Cline x1='12' y1='21' x2='12' y2='23'/%3E%3Cline x1='4.22' y1='4.22' x2='5.64' y2='5.64'/%3E%3Cline x1='18.36' y1='18.36' x2='19.78' y2='19.78'/%3E%3Cline x1='1' y1='12' x2='3' y2='12'/%3E%3Cline x1='21' y1='12' x2='23' y2='12'/%3E%3Cline x1='4.22' y1='19.78' x2='5.64' y2='18.36'/%3E%3Cline x1='18.36' y1='5.64' x2='19.78' y2='4.22'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='5'/%3E%3Cline x1='12' y1='1' x2='12' y2='3'/%3E%3Cline x1='12' y1='21' x2='12' y2='23'/%3E%3Cline x1='4.22' y1='4.22' x2='5.64' y2='5.64'/%3E%3Cline x1='18.36' y1='18.36' x2='19.78' y2='19.78'/%3E%3Cline x1='1' y1='12' x2='3' y2='12'/%3E%3Cline x1='21' y1='12' x2='23' y2='12'/%3E%3Cline x1='4.22' y1='19.78' x2='5.64' y2='18.36'/%3E%3Cline x1='18.36' y1='5.64' x2='19.78' y2='4.22'/%3E%3C/svg%3E"); }
.i-logout { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4'/%3E%3Cpolyline points='16 17 21 12 16 7'/%3E%3Cline x1='21' y1='12' x2='9' y2='12'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4'/%3E%3Cpolyline points='16 17 21 12 16 7'/%3E%3Cline x1='21' y1='12' x2='9' y2='12'/%3E%3C/svg%3E"); }
.i-check { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E"); }
.i-excel { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='18' rx='2' ry='2'/%3E%3Cline x1='3' y1='9' x2='21' y2='9'/%3E%3Cline x1='3' y1='15' x2='21' y2='15'/%3E%3Cline x1='9' y1='3' x2='9' y2='21'/%3E%3Cline x1='15' y1='3' x2='15' y2='21'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='18' rx='2' ry='2'/%3E%3Cline x1='3' y1='9' x2='21' y2='9'/%3E%3Cline x1='3' y1='15' x2='21' y2='15'/%3E%3Cline x1='9' y1='3' x2='9' y2='21'/%3E%3Cline x1='15' y1='3' x2='15' y2='21'/%3E%3C/svg%3E"); }
.i-download { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4'/%3E%3Cpolyline points='7 10 12 15 17 10'/%3E%3Cline x1='12' y1='15' x2='12' y2='3'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4'/%3E%3Cpolyline points='7 10 12 15 17 10'/%3E%3Cline x1='12' y1='15' x2='12' y2='3'/%3E%3C/svg%3E"); }
.i-paste { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2'/%3E%3Crect x='8' y='2' width='8' height='4' rx='1' ry='1'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2'/%3E%3Crect x='8' y='2' width='8' height='4' rx='1' ry='1'/%3E%3C/svg%3E"); }

/* Review List */
.review { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 16px; }
@media(min-width: 768px) { .review { grid-template-columns: 1fr 1fr; } }
.review .list { gap: 12px; }
.review .pill { margin-bottom: 8px; }

/* Table Improvements */
@media (min-width: 601px) {
    .record-table th { padding: 16px; background: var(--muted); }
    .record-table th:first-child { border-radius: 8px 0 0 8px; }
    .record-table th:last-child { border-radius: 0 8px 8px 0; }
    .record-table td { padding: 16px; border-bottom: 1px solid var(--border); }
    .record-table tr:hover td { background: var(--muted); }
}

/* Loading Spinner */
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.spin { animation: spin 1s linear infinite; }
.i-loading { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 12a9 9 0 1 1-6.219-8.56'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 12a9 9 0 1 1-6.219-8.56'/%3E%3C/svg%3E"); }