:root {
  --bg: #0a0f0d;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(52, 211, 153, 0.3);
  --primary: #34d399;
  --primary-dark: #059669;
  --primary-glow: rgba(52, 211, 153, 0.2);
  --secondary: #6ee7b7;
  --accent: #a78bfa;
  --danger: #f87171;
  --text: #f0fdf4;
  --text-muted: rgba(240, 253, 244, 0.5);
  --text-dim: rgba(240, 253, 244, 0.3);
  --sidebar-w: 240px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --transition: 0.2s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  overflow: hidden;
}

/* Background orbs */
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
  animation: drift 20s ease-in-out infinite;
}
.orb-1 {
  width: 500px;
  height: 500px;
  background: var(--primary);
  top: -150px;
  left: -100px;
  animation-delay: 0s;
}
.orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent);
  bottom: -100px;
  right: 0;
  animation-delay: -8s;
}
.orb-3 {
  width: 300px;
  height: 300px;
  background: #38bdf8;
  top: 50%;
  left: 50%;
  animation-delay: -4s;
}

@keyframes drift {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.05);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.95);
  }
}

/* Layout */
.app-wrapper {
  display: flex;
  height: 100vh;
  position: relative;
  z-index: 1;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.03);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  gap: 8px;
  backdrop-filter: blur(20px);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.logo-icon {
  font-size: 24px;
  filter: drop-shadow(0 0 8px var(--primary));
}
.logo-text {
  font-weight: 800;
  font-size: 17px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-muted);
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
  border: 1px solid transparent;
}
.nav-item:hover {
  background: var(--bg-card-hover);
  color: var(--text);
  border-color: var(--border);
}
.nav-item.active {
  background: var(--primary-glow);
  color: var(--primary);
  border-color: var(--border-accent);
  font-weight: 600;
}
.nav-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-icon {
  font-size: 16px;
}

.export-btn {
  margin-top: auto;
  padding: 11px 14px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: "Inter", sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}
.export-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-glow);
}

.sidebar-user {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  margin-top: 8px;
}
.user-info { display: flex; align-items: center; gap: 8px; min-width: 0; }
.user-avatar { font-size: 15px; flex-shrink: 0; }
.user-name { font-size: 13px; font-weight: 600; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 120px; }
.logout-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 16px;
  padding: 4px 6px;
  border-radius: 6px;
  transition: all var(--transition);
  flex-shrink: 0;
  line-height: 1;
}
.logout-btn:hover { color: var(--danger); background: rgba(248,113,113,0.1); }

/* Main Content */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 32px 36px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.tab-section {
  display: none;
  animation: fadeIn 0.3s ease;
}
.tab-section.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-header {
  margin-bottom: 28px;
}
.page-header h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.page-subtitle {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 4px;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
}
.stat-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.stat-card.primary {
  border-color: var(--border-accent);
  background: rgba(52, 211, 153, 0.07);
}
.stat-icon {
  font-size: 22px;
  margin-top: 2px;
  flex-shrink: 0;
}
.stat-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.stat-label {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.stat-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.stat-card.primary .stat-value {
  color: var(--primary);
}
.stat-sub {
  font-size: 12px;
  color: var(--text-muted);
}

/* Chart Card */
.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}
.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.chart-header h2 {
  font-size: 17px;
  font-weight: 700;
}
.chart-range-btns {
  display: flex;
  gap: 6px;
}
.range-btn {
  padding: 5px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-family: "Inter", sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.range-btn:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
}
.range-btn.active {
  background: var(--primary-glow);
  border-color: var(--border-accent);
  color: var(--primary);
  font-weight: 600;
}
.chart-container {
  height: 260px;
  position: relative;
}
.chart-empty {
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
  padding: 40px;
  display: none;
}

/* Form Card */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 680px;
  backdrop-filter: blur(10px);
}
.form-section-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--primary);
  margin: 20px 0 14px;
}
.form-section-title:first-child {
  margin-top: 0;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}
.optional {
  font-weight: 400;
  color: var(--text-dim);
}

input[type="text"],
input[type="number"],
input[type="date"] {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: 14px;
  width: 100%;
  transition: all var(--transition);
  outline: none;
  color-scheme: dark;
}
input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus {
  border-color: var(--primary);
  background: rgba(52, 211, 153, 0.06);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
input::placeholder {
  color: var(--text-dim);
}

.btn-primary {
  margin-top: 8px;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border: none;
  border-radius: var(--radius-sm);
  color: #0a0f0d;
  font-family: "Inter", sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition);
  letter-spacing: 0.3px;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(52, 211, 153, 0.4);
  filter: brightness(1.05);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-icon {
  font-size: 14px;
}

.form-toast {
  margin-top: 12px;
  font-size: 13px;
  font-weight: 500;
  min-height: 20px;
  transition: all var(--transition);
}
.form-toast.success {
  color: var(--primary);
}
.form-toast.error {
  color: var(--danger);
}

/* Unit Toggle */
.unit-toggle {
  display: flex;
  gap: 8px;
}
.unit-btn {
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-family: "Inter", sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.unit-btn:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
}
.unit-btn.active {
  background: var(--primary-glow);
  border-color: var(--border-accent);
  color: var(--primary);
}

/* Table Card */
.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(10px);
}
.table-toolbar {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.search-input {
  width: 100%;
  max-width: 360px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 14px;
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: 14px;
  outline: none;
  transition: all var(--transition);
}
.search-input:focus {
  border-color: var(--primary);
  background: rgba(52, 211, 153, 0.05);
}
.table-wrapper {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
}
thead th {
  padding: 12px 20px;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
tbody tr:last-child {
  border-bottom: none;
}
tbody tr:hover {
  background: var(--bg-card-hover);
}
tbody td {
  padding: 13px 20px;
  font-size: 14px;
  color: var(--text);
}
tbody td:first-child {
  font-weight: 600;
  color: var(--text-muted);
}
.empty-row td {
  text-align: center;
  color: var(--text-dim);
  padding: 40px;
  font-size: 14px;
}

.delete-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 14px;
  padding: 4px 8px;
  transition: all var(--transition);
}
.delete-btn:hover {
  color: var(--danger);
  border-color: rgba(248, 113, 113, 0.3);
  background: rgba(248, 113, 113, 0.08);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    width: 64px;
    padding: 16px 8px;
  }
  .logo-text,
  .nav-item span:not(.nav-icon),
  .export-btn span:not(:first-child) {
    display: none;
  }
  .nav-item {
    justify-content: center;
  }
  .export-btn {
    justify-content: center;
  }
  .main-content {
    padding: 20px 16px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}