:root {
  --bg: #121212;
  --panel: #1e1e1e;
  --panel-dark: #181818;
  --text: #e0e0e0;
  --text-dark: #b0b0b0;
  --accent: #cc3d3d;
  --accent-light: #ff6666;
  --accent-blue: #3d85cc;
  --accent-green: #3dcc6a;
  --accent-yellow: #ffcf3d;
  --radius: 12px;
  --shadow: 0 0 15px rgba(0, 0, 0, 0.25);
  --transition: 0.25s ease;
  --font-main: 'Segoe UI', sans-serif;
  --ring: 0 0 0 3px rgba(204, 61, 61, .25);
  --ring-blue: 0 0 0 3px rgba(61, 133, 204, .25);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}
h1, h2, h3, h4 {
  color: var(--accent);
  margin-bottom: 0.75rem;
}
p { margin-bottom: 0.75rem; }
a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--transition), box-shadow var(--transition);
}
a:hover { color: var(--accent-light); }
a:focus-visible {
  outline: none;
  box-shadow: var(--ring-blue);
  border-radius: 8px;
}
.container {
  max-width: 1200px;
  margin: 6rem auto 3rem auto;
  padding: 2rem;
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  z-index: 1;
}
.card, .loacard, .application-box, .account-section, .welcome-card {
  background: var(--panel-dark);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  border: 1px solid #2a2a2a;
}
.card h2, .loacard h2, .welcome-card h2 { margin-top: 0; }
.welcome-card {
  border-top: 3px solid var(--accent);
}
header.portal-header {
  background: var(--panel);
  padding: 1rem 2rem;
  display: flex; align-items: center; justify-content: space-between;
  position: fixed; width: 100%; top: 0; z-index: 1000;
  box-shadow: var(--shadow);
  border-bottom: 1px solid #2a2a2a;
}
.logo-area { display: flex; align-items: center; }
.logo-img { height: 40px; margin-right: 10px; }
.portal-title { font-size: 1.5rem; font-weight: bold; color: var(--text); }
.nav-links a {
  position: relative;
  padding: 0.4rem 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text);
  background: linear-gradient(145deg, #1d1d1d, #131313);
  border-radius: var(--radius);
  transition: all var(--transition);
  box-shadow: inset 0 0 0 1px #2a2a2a;
  z-index: 0; overflow: hidden;
}
.nav-links a::before {
  content: ""; position: absolute; top: -40%; left: -40%;
  width: 180%; height: 180%;
  background: radial-gradient(circle at center, var(--accent), transparent 70%);
  transform: scale(0); opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
  z-index: -1;
}
.nav-links a:hover::before { transform: scale(1.2); opacity: 0.15; }
.nav-links a:hover {
  color: var(--accent-light);
  border: 1px solid var(--accent);
  box-shadow: 0 0 10px var(--accent), inset 0 0 4px var(--accent);
  background: linear-gradient(145deg, #1f1f1f, #101010);
  transform: translateY(-1px);
}
.nav-links a:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}
footer {
  background: var(--panel-dark);
  color: var(--text-dark);
  text-align: center;
  padding: 1rem;
  width: 100%;
  position: fixed; bottom: 0;
  border-top: 1px solid #2a2a2a;
}
button, .btn {
  padding: 0.5rem 1rem;
  border: none; border-radius: var(--radius);
  font-size: 1rem; cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.btn-red, .delete { background: var(--accent); color: #fff; }
.btn-blue, .update { background: var(--accent-blue); color: #fff; }
.btn-green, .save { background: var(--accent-green); color: #fff; }
.btn-yellow { background: var(--accent-yellow); color: #000; }
.btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn:focus-visible { outline: none; box-shadow: var(--ring); }
a.dash-button {
  display: block;
  background: linear-gradient(145deg, #1b1b1b, #141414);
  color: var(--text);
  padding: 1.25rem;
  border-radius: var(--radius);
  text-align: center;
  font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase;
  box-shadow: inset 0 0 0 1px #2a2a2a, 0 0 15px rgba(0, 0, 0, 0.4);
  transition: all 0.3s ease;
  position: relative; overflow: hidden; z-index: 0;
  border: 1px solid #262626;
}
a.dash-button::before {
  content: ""; position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, var(--accent-blue), transparent 70%);
  transform: scale(0); opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease; z-index: -1;
}
a.dash-button:hover::before { transform: scale(1.2); opacity: 0.1; }
a.dash-button:hover {
  color: var(--accent-light);
  border: 1px solid var(--accent-blue);
  box-shadow: 0 0 15px var(--accent-blue), inset 0 0 5px var(--accent-blue);
  background: linear-gradient(145deg, #1e1e1e, #111);
  transform: translateY(-2px);
}
a.dash-button:focus-visible {
  outline: none;
  box-shadow: var(--ring-blue), 0 0 10px rgba(61,133,204,.25);
}
input, select, textarea {
  background: var(--panel-dark);
  color: var(--text);
  border: 1px solid #444;
  padding: 0.5rem;
  border-radius: var(--radius);
  width: 100%;
  margin-bottom: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
input[type="checkbox"] { width: auto; accent-color: var(--accent); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: var(--ring-blue);
  background: #1a1a1a;
}
table {
  width: 100%;
  border-collapse: separate; border-spacing: 0;
  margin-top: 1rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.3);
  background: var(--panel);
  border: 1px solid #2a2a2a;
}
th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid #333;
}
th {
  background: var(--panel-dark);
  color: var(--accent-yellow);
  font-weight: 600; text-transform: uppercase;
  font-size: 0.9rem;
}
tr:last-child td { border-bottom: none; }
tr:nth-child(even) { background: #181818; }
tr:nth-child(odd) { background: #151515; }
tr.status-pending   { border-left: 5px solid var(--accent-yellow); }
tr.status-approved  { border-left: 5px solid var(--accent-blue); }
tr.status-completed { border-left: 5px solid var(--accent-green); }
.switch { position: relative; display: inline-block; width: 50px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; cursor: pointer; inset: 0;
  background-color: #3a3a3a;
  transition: .4s; border-radius: 24px;
  box-shadow: inset 0 0 0 1px #2a2a2a;
}
.slider:before {
  position: absolute; content: "";
  height: 18px; width: 18px; left: 3px; bottom: 3px;
  background-color: #fff; transition: .4s; border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0,0,0,.35);
}
input:checked + .slider { background-color: var(--accent-blue); }
input:checked + .slider:before { transform: translateX(26px); }
.dashbutton-grid, .loacard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem; margin-top: 2rem;
}
.quick-links.dashbutton-grid { margin-top: 1.25rem; }
.loacard {
  background: linear-gradient(145deg, #1c1c1c, #111);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.35), inset 0 0 0 1px #2a2a2a;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #232323;
}
.loacard h3 { color: var(--accent-yellow); margin-bottom: 0.5rem; }
.loacard p  { color: var(--text-dark); margin-bottom: 1rem; line-height: 1.4; }
.loacard:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 25px var(--accent-blue), inset 0 0 2px var(--accent-blue);
}
.loabutton {
  display: inline-block;
  background: var(--accent-blue); color: #fff; font-weight: 600;
  padding: 0.65rem 1.5rem; border-radius: var(--radius);
  text-transform: uppercase; letter-spacing: 0.5px;
  transition: all 0.3s ease;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.3);
}
.loabutton:hover {
  background: var(--accent-light);
  box-shadow: 0 0 14px var(--accent-light), inset 0 0 4px var(--accent-light);
  transform: scale(1.05);
}
.question-editor, .form-selector, .grade-form {
  display: flex; flex-direction: column; gap: 1rem;
}
.action-cell, .question-actions {
  display: flex; gap: 1rem; justify-content: flex-end; flex-wrap: wrap;
}
.success-box, .error-box {
  color: #fff; padding: 1rem; border-radius: var(--radius); margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.success-box { background: var(--accent-green); }
.error-box   { background: var(--accent); }
.lockout-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.85);
  z-index: 9999; display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.5rem; text-align: center; padding: 1.5rem;
}
.lockout-msg {
  background: var(--panel);
  border: 1px solid #2a2a2a;
  border-radius: calc(var(--radius) + 4px);
  box-shadow: 0 18px 40px rgba(0,0,0,.45);
  width: min(680px, 92vw);
  padding: 1.5rem 1.25rem;
}
.lockout-msg h1 { color: var(--accent-yellow); margin-bottom: 0.5rem; }
.lockout-msg p  { color: var(--text); font-size: 1.1rem; }
#snow-canvas {
  position: fixed; top: 0; left: 0; pointer-events: none; z-index: 0;
  width: 100%; height: 100%;
}
.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,1px,1px); white-space: nowrap; border: 0;
}
@media (max-width: 768px) {
  .nav-links { flex-direction: column; gap: 0.5rem; align-items: flex-end; }
  .container { padding: 1rem; margin: 5.5rem auto 4rem; }
  .logo-area .portal-title { font-size: 1.25rem; }
  .dashbutton-grid { grid-template-columns: 1fr; gap: 1rem; }
}