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

:root {
  --green: #22c55e;
  --green-dark: #16a34a;
  --green-light: #dcfce7;
  --red: #ef4444;
  --red-light: #fef2f2;
  --amber: #f59e0b;
  --amber-light: #fffbeb;
  --blue: #3b82f6;
  --blue-light: #eff6ff;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-500: #64748b;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --white: #ffffff;
  --radius: 10px;
  --sidebar-w: 240px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body { font-family: var(--font); color: var(--slate-900); background: var(--slate-50); line-height: 1.5; -webkit-font-smoothing: antialiased; }

/* LOGIN */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--slate-100);
}
.login-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}
.login-logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--green-dark);
  text-align: center;
  margin-bottom: 4px;
}
.login-logo span { color: var(--slate-900); }
.login-back {
  display: block; text-align: center; margin-bottom: 20px; color: var(--slate-500);
  text-decoration: none; font-size: .85rem; font-weight: 500; transition: color .15s;
}
.login-back:hover { color: var(--green-dark); }
.login-sub { text-align: center; color: var(--slate-500); margin-bottom: 28px; font-size: .9rem; }
label { display: block; font-size: .8rem; font-weight: 600; color: var(--slate-700); margin-bottom: 4px; margin-top: 14px; }
input[type="email"], input[type="password"], input[type="text"], select {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--slate-200);
  border-radius: 8px;
  font-size: .95rem;
  font-family: var(--font);
  transition: border-color .15s;
}
input:focus, select:focus { outline: none; border-color: var(--green); }
.error { color: var(--red); font-size: .85rem; margin-top: 12px; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 20px; border-radius: 8px; font-size: .9rem; font-weight: 600;
  cursor: pointer; border: none; font-family: var(--font); transition: all .15s;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 2px 8px rgba(0,0,0,.1); }
.btn-primary { background: var(--green); color: var(--white); }
.btn-danger { background: var(--red); color: var(--white); }
.btn-outline { background: var(--white); color: var(--slate-700); border: 1.5px solid var(--slate-200); }
.btn-sm { padding: 6px 14px; font-size: .8rem; }
.btn-full { width: 100%; margin-top: 20px; }
.btn-icon { padding: 6px 10px; font-size: .85rem; }

/* LAYOUT */
.dashboard { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w);
  background: var(--slate-900);
  color: var(--white);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 10;
}
.sidebar-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--green);
  text-decoration: none;
  margin-bottom: 32px;
  display: block;
}
.sidebar-logo span { color: var(--white); }
.sidebar nav { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.nav-btn {
  background: none; border: none; color: var(--slate-300); padding: 10px 14px;
  border-radius: 8px; text-align: left; font-size: .9rem; font-weight: 500;
  cursor: pointer; font-family: var(--font); transition: all .15s;
}
.nav-btn:hover { background: var(--slate-800); color: var(--white); }
.nav-btn.active { background: var(--green); color: var(--white); font-weight: 600; }
.sidebar-footer { border-top: 1px solid var(--slate-800); padding-top: 16px; }
.user-info { font-size: .8rem; color: var(--slate-300); margin-bottom: 10px; overflow: hidden; text-overflow: ellipsis; }

.main { margin-left: var(--sidebar-w); flex: 1; padding: 32px 40px; max-width: 1200px; }

/* VIEWS */
.view-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; }
.view h1 { font-size: 1.6rem; font-weight: 800; margin-bottom: 24px; }
.view h2 { font-size: 1.15rem; font-weight: 700; margin: 28px 0 12px; }
.view-header h1 { margin-bottom: 0; }

.search-bar { display: flex; gap: 10px; }
.search-bar input { width: 260px; }
.search-bar select { width: 140px; }

/* STATS */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card {
  background: var(--white); border-radius: var(--radius); padding: 20px 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,.05);
}
.stat-label { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--slate-500); margin-bottom: 4px; }
.stat-value { font-size: 1.8rem; font-weight: 800; }

/* TABLES */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,.05); }
th { text-align: left; padding: 12px 16px; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--slate-500); background: var(--slate-50); border-bottom: 1.5px solid var(--slate-200); }
td { padding: 12px 16px; font-size: .9rem; border-bottom: 1px solid var(--slate-100); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--slate-50); }

/* BADGES */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
}
.badge-green { background: var(--green-light); color: var(--green-dark); }
.badge-amber { background: var(--amber-light); color: #92400e; }
.badge-blue { background: var(--blue-light); color: #1e40af; }
.badge-red { background: var(--red-light); color: #991b1b; }
.badge-gray { background: var(--slate-100); color: var(--slate-700); }

/* INFO CARD */
.info-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,.05);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.info-item .info-label { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; color: var(--slate-500); }
.info-item .info-value { font-size: 1.1rem; font-weight: 700; }

/* TOGGLE */
.toggle-label { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--slate-700); cursor: pointer; }
.toggle-label input { accent-color: var(--green); }

/* MODAL */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(15,23,42,.5); display: flex;
  align-items: center; justify-content: center; z-index: 100;
}
.modal {
  background: var(--white); border-radius: var(--radius); width: 100%;
  max-width: 440px; box-shadow: 0 20px 60px rgba(0,0,0,.15);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--slate-100);
}
.modal-header h3 { font-size: 1.05rem; }
.modal-close { background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--slate-500); }
.modal-body { padding: 20px 24px; }
.modal-body label { margin-top: 12px; }
.modal-body label:first-child { margin-top: 0; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 24px; border-top: 1px solid var(--slate-100); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .sidebar { width: 100%; position: relative; flex-direction: row; padding: 12px 16px; align-items: center; }
  .sidebar nav { flex-direction: row; gap: 2px; flex: 1; overflow-x: auto; }
  .sidebar-footer { border-top: none; padding-top: 0; display: flex; align-items: center; gap: 8px; }
  .sidebar-logo { margin-bottom: 0; margin-right: 16px; }
  .user-info { display: none; }
  .main { margin-left: 0; padding: 20px 16px; }
  .dashboard { flex-direction: column; }
}