:root {
  --bg: #080c15;
  --card: rgba(16, 19, 28, 0.65);
  --surface: rgba(12, 15, 22, 0.75);
  --text: #f7fafc;
  --accent: #f97316;
  --accent-strong: #ff9b3d;
  --muted: #a8b2c5;
  --border: rgba(255, 255, 255, 0.08);
  --danger: #ef4444;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 12% 18%, rgba(249, 115, 22, 0.12), transparent 32%),
    radial-gradient(circle at 78% -6%, rgba(255, 153, 73, 0.12), transparent 32%),
    linear-gradient(135deg, #070a11 0%, #0b0f18 50%, #080c15 100%);
  color: var(--text);
  min-height: 100vh;
}

#app {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.sidebar {
  width: 240px;
  background: linear-gradient(180deg, rgba(12, 14, 22, 0.85), rgba(10, 12, 18, 0.78));
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  backdrop-filter: blur(14px);
  box-shadow: 8px 0 32px rgba(0, 0, 0, 0.45);
}

.brand {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.6px;
  color: var(--text);
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 13px;
  border-radius: 14px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
  transition: background 140ms ease, color 140ms ease, box-shadow 140ms ease, border 140ms ease;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.02);
}

.nav a .icon {
  opacity: 0.85;
  width: 18px;
  display: inline-flex;
  justify-content: center;
}

.nav a.active {
  background: rgba(249, 115, 22, 0.18);
  color: var(--accent-strong);
  border-color: rgba(249, 115, 22, 0.45);
  box-shadow: 0 10px 30px rgba(249, 115, 22, 0.28);
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
}

.nav a.hidden {
  display: none;
}

.content {
  flex: 1;
  padding: 28px 34px 56px;
  background: linear-gradient(145deg, rgba(255, 153, 73, 0.05) 0%, rgba(255, 255, 255, 0) 32%);
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

h1 {
  margin: 0;
  font-size: 26px;
  letter-spacing: 0.6px;
  font-weight: 800;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.select,
select {
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.btn {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(249, 115, 22, 0.4);
  background: linear-gradient(130deg, #ff9b3d, #f97316);
  color: white;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(249, 115, 22, 0.35);
  transition: transform 140ms ease, box-shadow 140ms ease, filter 140ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 18px 40px rgba(249, 115, 22, 0.4);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.24);
}

.btn.danger {
  background: linear-gradient(135deg, #ef4444, #b91c1c);
  box-shadow: 0 12px 28px rgba(239, 68, 68, 0.32);
  border-color: rgba(239, 68, 68, 0.5);
}

main .section {
  margin-top: 22px;
  display: none;
}

main .section.active {
  display: block;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.cards-grid {
  margin-top: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 20px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(14px);
}

.card.clickable {
  cursor: pointer;
  transition: transform 150ms ease, border-color 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.card.clickable:hover {
  transform: translateY(-2px);
  border-color: rgba(249, 115, 22, 0.35);
  box-shadow: 0 22px 40px rgba(0, 0, 0, 0.4);
  background: rgba(255, 255, 255, 0.05);
}

.row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.stat {
  font-size: 34px;
  font-weight: 800;
  margin: 0;
}

.label {
  color: var(--muted);
  margin: 4px 0 0 0;
  letter-spacing: 0.2px;
}

.pill {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(249, 115, 22, 0.16);
  color: var(--text);
  border: 1px solid rgba(249, 115, 22, 0.3);
  box-shadow: 0 8px 18px rgba(249, 115, 22, 0.18);
}

.toast {
  position: fixed;
  top: 20px;
  right: 24px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(249, 115, 22, 0.18);
  border: 1px solid rgba(249, 115, 22, 0.45);
  color: #ffe6d0;
  font-weight: 700;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.34);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 150ms ease, transform 150ms ease;
  z-index: 1100;
  backdrop-filter: blur(10px);
}

.toast.error {
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.4);
  color: #ffe4e6;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1200;
  backdrop-filter: blur(4px);
}

.modal-backdrop.show {
  display: flex;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  width: min(640px, 94vw);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.45);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
}

.form-label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.2px;
  font-weight: 600;
}

input,
textarea {
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  backdrop-filter: blur(8px);
}

input::placeholder,
textarea::placeholder {
  color: rgba(229, 231, 235, 0.65);
}

.section-title {
  margin: 0 0 10px 0;
  font-size: 20px;
  font-weight: 800;
}

.empty-state {
  padding: 20px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
}

.hidden {
  display: none !important;
}