:root {
  --bg-dark: #0b1c33;
  --bg-panel: #12243f;
  --bg-soft: #0f1f37;
  --text: #e8eef7;
  --muted: #b8c4d6;
  --accent: #2f80ed;
  --accent-2: #7f5af0;
  --success: #29a37e;
  --warning: #f2b827;
  --danger: #ef476f;
  --glass: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.15);
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius: 18px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 800px at 80% -10%, #19375f 0%, transparent 60%),
              radial-gradient(900px 700px at -10% 20%, #1e2857 0%, transparent 60%),
              linear-gradient(180deg, #09172b 0%, #0b1c33 60%, #0a1830 100%);
  letter-spacing: 0.2px;
}

/* Links */
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--accent); }

/* NAV */
.site-header nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(8px);
  background: linear-gradient(to bottom, rgba(11,28,51,0.9), rgba(11,28,51,0.35));
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 30px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}
.nav-links {
  display: flex;
  gap: 22px;
  font-weight: 600;
}
.nav-links li { list-style: none; }
.nav-links a { color: var(--text); }
.nav-links a:hover { color: var(--accent); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--text);
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
  justify-content: center;
}
.btn-delicate-red {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #f94449;
    color: var(--text);
    cursor: pointer;
    transition: transform .15s ease, background .2s ease, border-color .2s ease;
    justify-content: center;
  }
.btn-green {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #0F9D58;
    color: var(--text);
    cursor: pointer;
    transition: transform .15s ease, background .2s ease, border-color .2s ease;
    justify-content: center;
  }

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.35);
}
.btn.primary {
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
  border-color: transparent;
  box-shadow: var(--shadow);
}

/* Sidebar */
.sidebar {
    
  width: 220px;
  
  border-right: 1px solid var(--border);
  padding: 20px;
  transition: width 0.3s ease;
  min-height: 100vh;
  /*position:fixed;
  left:0;*/
}
.sidebar.collapsed { width: 60px; display: none;}
.sidebar h3 { margin-top: 20px; font-size: 1rem; color: var(--accent-2); }
.sidebar a {
  display: block;
  margin: 6px 0;
  padding: 6px 8px;
  border-radius: 6px;
  color: var(--text);
}
.sidebar a:hover {
  background: var(--glass);
  color: var(--accent);
}

/* Sidebar */
.sidebar {
    
  width: 220px;
  
  border-right: 1px solid var(--border);
  padding: 20px;
  transition: width 0.3s ease;
  min-height: 100vh;
  /*position:fixed;
  left:0;*/
}
.sidebar.collapsed { width: 60px; display: none;}
.sidebar h3 { margin-top: 20px; font-size: 1rem; color: var(--accent-2); }
.sidebar a {
  display: block;
  margin: 6px 0;
  padding: 6px 8px;
  border-radius: 6px;
  color: var(--text);
}
.sidebar a:hover {
  background: var(--glass);
  color: var(--accent);
}

/* Toggle */
.menu-toggle {
  
  cursor: pointer;
  font-size: 1.4rem;
  padding: 10px;
}
@media (max-width: 768px) {
  .sidebar { position: fixed; left: 0; top: 0; height: 100%; transform: translateX(-100%); }
  .sidebar.collapsed { transform: translateX(0); width: 200px; }
  .menu-toggle { display: block; margin: 10px; color: var(--text); }
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,0.3);
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
  padding: 20px;
}

/* Layout */
main {
  padding: 20px;
  padding-bottom: 60px;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 20px;
  margin: 20px auto;
  max-width: 800px;
}
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 20px;
  margin: 20px auto;          /* removes auto-centering */
  width: 100%;           /* take all available space */
  max-width: 1200px;     /* adjust this number to control how wide */
  box-sizing: border-box; /* makes padding/border count inside width */
}
/* Forms */
form input, form select {
  width: 98%;
  padding: 8px;
  margin: 6px 0;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: #1a1a2e;
  color: var(--text-light);
}

.group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.group-card {
  background: #1a1a2e;
  border: 2px solid var(--accent);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.3s;
}

.group-card h3 {
  margin: 0 0 12px 0;
  color: var(--text-light);
  font-size: 1.2rem;
}

.group-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 12px rgba(138, 43, 226, 0.5);
}

.group-card p.meta {
  font-size: 0.85rem;
  color: #a0aec0;
  margin: 4px 0;
}

.group-card {
  background: #1a1a2e;
  border: 2px solid var(--accent);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  display: flex;
  flex-direction: column;   /* stack items vertically */
  justify-content: space-between;
  min-height: 150px;        /* keep cards tall enough */
  transition: transform 0.2s, box-shadow 0.3s;
}

.group-card h3 {
  margin: 0 0 8px 0;
  color: var(--text-light);
  font-size: 1.2rem;
  word-wrap: break-word;    /* handle long names */
}

.group-card p.meta {
  font-size: 0.85rem;
  color: #a0aec0;
  margin: 4px 0;
  white-space: nowrap;      /* keep date tidy */
  overflow: hidden;         /* prevent cut-off overflow */
  text-overflow: ellipsis;  /* add … if too long */
}

.member-table {
  width: 100%;
  border-collapse: collapse;
  margin: 15px 0;
  font-size: 0.95rem;
}

.member-table th,
.member-table td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid #2f80ed;
}

.member-table th {
  background-color: #111827;
  color: var(--accent);
  font-weight: bold;
}

.member-table tr:hover {
  background-color: #1a1a2e;
}

.btn.small {
  padding: 4px 8px;
  font-size: 0.8rem;
  border-radius: 4px;
}

.member-summary {
  margin: 8px 0;
  font-size: 0.95rem;
  color: var(--accent);
}

.btn.danger {
  background-color: #dc2626; /* red */
  color: white;
}
.btn.danger:hover {
  background-color: #b91c1c;
}
#sketchpad {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 300px;
  background: #fff;
  border: 2px solid var(--accent);
  border-radius: 8px;
  cursor: crosshair;
  touch-action: none;
  user-select: none;
  pointer-events: auto; /* force-enable drawing */
}

.upgrade-note {
  background: rgba(255,255,255,0.06);
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 14px;
  margin-top: 20px;
  text-align: center;
}


.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex; justify-content: center; align-items: center;
}
.modal-content {
  background: #fff; padding: 20px; border-radius: 12px;
  width: 90%; max-width: 400px; text-align: center;
}
.group-card h5 { font-size: 1rem; margin: 0 0 4px; }
.group-card .meta { font-size: 0.85rem; color: var(--muted); margin: 0 0 6px; }
.btn.small { padding: 6px 12px; font-size: 0.85rem; }

.group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.group-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  text-align: center;
}

.group-card h3 {
  margin-top: 0;
}

.group-card .meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 6px 0;
}

.choice-cell label {
  display: inline-flex;     /* keep radio + text together */
  align-items: center;      /* vertically center them */
  margin-right: 15px;       /* spacing between A and B */
  font-weight: 600;         /* optional, to make labels stronger */
}
.choice-cell input[type="radio"] {
  margin-left: 5px;         /* small gap between text and circle */
}
main { flex: 1; display: flex; }

.flash-container {
  max-width: 800px;
  margin: 20px auto;
  padding: 0 15px;
}

.flash {
  padding: 14px 18px;
  border-radius: 10px;
  margin-bottom: 12px;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0,0,0,0.35);
}

/* Categories from flash(category, message) */
.flash.info {
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
  color: white;
}
.flash.success {
  background: #29a37e;
  color: white;
}
.flash.error {
  background: #ef476f;
  color: white;
}
.flash.warning {
  background: #f2b827;
  color: #0b0f1c;
}
.upgrade-banner {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff;
  text-align: center;
  padding: 18px;
  font-weight: 600;
  position: relative;
}
.upgrade-banner a {
  background: #fff;
  color: var(--accent-2);
  padding: 8px 14px;
  border-radius: 999px;
  margin-left: 12px;
  font-weight: 700;
  text-decoration: none;
}
.streak { color: var(--muted); margin-bottom: 20px; }

.xp-bar-container { margin-bottom: 30px; }
.xp-label { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: .9rem; }
.xp-bar { background: rgba(255,255,255,0.1); border-radius: 10px; overflow: hidden; height: 16px; }
.xp-fill { background: linear-gradient(90deg, var(--accent), var(--accent-2)); height: 100%; width: 70%; transition: width 0.5s ease; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; margin-bottom: 40px; }
.card { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); transition: transform .2s; }
.card:hover { transform: translateY(-4px); }
.card h4 { margin: 0 0 10px; font-size: 1.1rem; }
.card p { color: var(--muted); margin: 0; font-size: .9rem; }

.chart-card { grid-column: span 2; }
canvas { max-width: 100%; }

.leaderboard { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.leaderboard h4 { margin-top: 0; }
.lb-item { display: flex; align-items: center; margin: 10px 0; }
.lb-rank { font-weight: 700; width: 24px; }
.lb-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--accent-2); margin: 0 10px; }
.lb-name { flex: 1; }
.lb-score { font-weight: 600; color: var(--success); }

.achievements { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.achievements h4 { margin-top: 0; }
.badge { display: inline-block; background: rgba(127,90,240,0.2); border: 1px solid var(--accent-2); border-radius: 12px; padding: 6px 10px; margin: 6px; font-size: .85rem; }
.contentDashboard { flex: 1; padding: 30px; }