.tool-hero {
  background: linear-gradient(135deg, #0891b2 0%, #0284c7 50%, #2563eb 100%);
  padding: 5rem 1.5rem 3rem;
  margin-top: 68px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.tool-hero::before {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  top: -150px; right: -100px;
}

.tool-hero::after {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  bottom: -100px; left: -50px;
}

.tool-hero-content { position: relative; z-index: 1; }

.tool-hero-icon {
  width: 72px; height: 72px;
  border-radius: 20px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.25rem;
  border: 1px solid rgba(255,255,255,0.2);
}

.tool-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800; color: white;
  letter-spacing: -1px; margin-bottom: 0.75rem;
}

.tool-hero p {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  max-width: 480px; margin: 0 auto;
}

.tool-main {
  max-width: 820px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

.attendance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.form-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.form-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-card-title-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: rgba(8,145,178,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-row:last-child { margin-bottom: 0; }

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  outline: none;
  transition: var(--transition);
  background: var(--bg);
  width: 100%;
}

.form-input:focus {
  border-color: #0891b2;
  background: white;
  box-shadow: 0 0 0 3px rgba(8,145,178,0.08);
}

.form-input::placeholder { color: var(--text-light); }

.form-input-row {
  display: flex; gap: 0.75rem;
}

/* Progress Donut */
.progress-donut-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.donut-container {
  position: relative;
  width: 180px; height: 180px;
  margin-bottom: 1.25rem;
}

.donut-svg {
  transform: rotate(-90deg);
  width: 180px; height: 180px;
}

.donut-track {
  fill: none;
  stroke: var(--border);
  stroke-width: 12;
}

.donut-fill {
  fill: none;
  stroke: #0891b2;
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 440;
  stroke-dashoffset: 440;
  transition: stroke-dashoffset 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.donut-fill.danger { stroke: var(--danger); }
.donut-fill.warning { stroke: var(--warning); }
.donut-fill.success { stroke: var(--success); }

.donut-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.donut-percent {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--text);
  letter-spacing: -2px;
  line-height: 1;
}

.donut-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Results */
.att-results {
  display: none;
}

.att-results.show { display: block; }

.results-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.result-stat {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.result-stat.highlight {
  background: linear-gradient(135deg, #0891b2, #2563eb);
  border: none;
}

.result-stat.highlight .stat-value { color: white; }
.result-stat.highlight .stat-label { color: rgba(255,255,255,0.75); }
.result-stat.safe { border-color: rgba(16,185,129,0.3); }
.result-stat.warn { border-color: rgba(245,158,11,0.3); }
.result-stat.danger { border-color: rgba(239,68,68,0.3); }

.stat-value {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--text);
  letter-spacing: -1px;
  display: block;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.bunk-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

.bunk-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.bunk-indicator {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--bg);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
}

.bunk-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.bunk-icon.safe { background: rgba(16,185,129,0.1); }
.bunk-icon.warn { background: rgba(245,158,11,0.1); }
.bunk-icon.danger { background: rgba(239,68,68,0.1); }

.bunk-text {
  flex: 1;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
  line-height: 1.5;
}

.bunk-text strong { color: var(--text); font-weight: 700; }

.att-progress-track {
  height: 10px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.att-progress-fill {
  height: 100%;
  border-radius: 100px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  background: linear-gradient(90deg, #0891b2, #2563eb);
}

.att-progress-fill.danger { background: linear-gradient(90deg, #ef4444, #dc2626); }
.att-progress-fill.warning { background: linear-gradient(90deg, #f59e0b, #d97706); }
.att-progress-fill.success { background: linear-gradient(90deg, #10b981, #059669); }

.att-progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

@media (max-width: 768px) {
  .attendance-grid { grid-template-columns: 1fr; }
  .results-row { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .results-row { grid-template-columns: 1fr; }
}