:root {
  color-scheme: dark;
  --bg: #060816;
  --panel: rgba(15, 23, 42, 0.78);
  --panel-strong: rgba(17, 24, 39, 0.95);
  --text: #f8fafc;
  --muted: #94a3b8;
  --purple: #8b5cf6;
  --cyan: #22d3ee;
  --pink: #ec4899;
  --gold: #fbbf24;
  --border: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, rgba(139, 92, 246, 0.28), transparent 28%),
    radial-gradient(circle at bottom right, rgba(34, 211, 238, 0.25), transparent 25%), var(--bg);
  min-height: 100vh;
}

.bg-glow {
  position: fixed;
  inset: auto;
  width: 260px;
  height: 260px;
  filter: blur(100px);
  opacity: 0.45;
  pointer-events: none;
}

.glow-one {
  top: -50px;
  left: -20px;
  background: var(--purple);
}

.glow-two {
  bottom: -50px;
  right: -20px;
  background: var(--cyan);
}

.app-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

.hero-card,
.upload-card,
.panel-card,
.summary-card {
  backdrop-filter: blur(18px);
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.28);
}

.hero-card {
  border-radius: 28px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 18px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.72rem;
  margin-bottom: 10px;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.hero-text {
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.8;
  margin-bottom: 18px;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.primary-btn,
.secondary-btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  color: white;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-btn {
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.08);
}

.primary-btn:hover,
.secondary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(34, 211, 238, 0.2);
}

input[type="file"] {
  display: none;
}

.hero-panel {
  display: grid;
  gap: 12px;
}

.mini-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.mini-card.active {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(34, 211, 238, 0.18));
}

.mini-label {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 4px;
}

.upload-card {
  margin-top: 20px;
  border-radius: 24px;
  padding: 18px;
}

.drop-zone {
  border: 2px dashed rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 28px;
  text-align: center;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.drop-zone.dragover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.drop-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.drop-zone p {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.drop-zone small {
  color: var(--muted);
}

.results {
  margin-top: 22px;
}

.hidden {
  display: none;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.summary-card {
  border-radius: 22px;
  padding: 18px;
  min-height: 112px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.summary-card strong {
  font-size: 2rem;
}

.summary-label {
  color: var(--muted);
  font-size: 0.95rem;
}

.accent-purple { border-color: rgba(139, 92, 246, 0.45); }
.accent-cyan { border-color: rgba(34, 211, 238, 0.45); }
.accent-pink { border-color: rgba(236, 72, 153, 0.45); }
.accent-gold { border-color: rgba(251, 191, 36, 0.45); }

.info-row {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  margin-top: 16px;
}

.panel-card {
  border-radius: 24px;
  padding: 20px;
}

.employee-panel {
  margin-top: 16px;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 999;
}

.modal-card {
  width: min(900px, 100%);
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 22px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.35);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.details-card {
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 18px;
  padding: 16px;
  background: linear-gradient(135deg, rgba(34,211,238,0.08), rgba(139,92,246,0.08));
  min-height: 220px;
  max-height: 60vh;
  overflow-y: auto;
}

.details-card::-webkit-scrollbar {
  width: 8px;
}

.details-card::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.2);
  border-radius: 999px;
}

.details-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 6px;
}

.details-table th,
.details-table td {
  padding: 10px 8px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}

.details-table th {
  color: var(--muted);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  gap: 12px;
}

.panel-head h2 {
  margin: 0;
  font-size: 1.12rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 10px 8px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

th {
  font-size: 0.85rem;
  color: var(--muted);
}

tr.present {
  background: rgba(34, 211, 238, 0.08);
}

tr.absent {
  background: rgba(236, 72, 153, 0.08);
}

.employee-row {
  cursor: pointer;
  transition: background 0.2s ease;
}

.employee-row:hover {
  background: rgba(255, 255, 255, 0.08);
}

.export-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ghost-btn {
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
}

.ghost-btn:hover {
  background: rgba(255,255,255,0.12);
}

.template-name {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.status-pill {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}

.status-pill.work {
  background: rgba(34, 211, 238, 0.18);
  color: #7dd3fc;
}

.status-pill.absent {
  background: rgba(236, 72, 153, 0.16);
  color: #f9a8d4;
}

.insight-list {
  display: grid;
  gap: 12px;
}

#insightText {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 180px;
  margin-top: 6px;
}

.bar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.bar-fill {
  width: 100%;
  border-radius: 999px 999px 8px 8px;
  min-height: 6px;
  background: linear-gradient(180deg, var(--cyan), var(--purple));
}

.bar-label {
  font-size: 0.72rem;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 900px) {
  .hero-card,
  .info-row {
    grid-template-columns: 1fr;
  }

  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 580px) {
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .hero-card,
  .upload-card,
  .panel-card {
    padding: 16px;
  }
}