/* ============================================================
   PHARM'ALPHA FORMATIONS — Design System
   ============================================================ */

:root {
  --orange: #f97316;
  --orange-hover: #ea580c;
  --orange-light: #fff7ed;
  --black: #1a1a1a;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  --green: #22c55e;
  --green-light: #f0fdf4;
  --blue: #3b82f6;
  --blue-light: #eff6ff;
  --red: #ef4444;
  --red-light: #fef2f2;
  --yellow: #eab308;
  --yellow-light: #fefce8;

  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);

  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
}

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

body {
  font-family: var(--font);
  color: var(--gray-800);
  background: var(--gray-50);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--orange); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--orange-hover); }

img { max-width: 100%; display: block; }

/* ---- Layout ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 800px; margin: 0 auto; padding: 0 24px; }

/* ---- Header ---- */
.header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--black);
}

.header-logo img { height: 40px; width: auto; }

.header-logo-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.header-logo-sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.header-nav { display: flex; align-items: center; gap: 24px; }

.header-nav a {
  color: var(--gray-600);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}
.header-nav a:hover, .header-nav a.active { color: var(--orange); }

/* ---- Footer ---- */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 40px 0;
  margin-top: 80px;
  font-size: 13px;
  line-height: 1.8;
  text-align: center;
}

.footer strong { color: var(--white); }
.footer a { color: var(--orange); }

/* ---- Cards ---- */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition);
}

.card:hover { box-shadow: var(--shadow-md); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--black);
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-orange { background: var(--orange-light); color: var(--orange); }
.badge-green { background: var(--green-light); color: var(--green); }
.badge-blue { background: var(--blue-light); color: var(--blue); }
.badge-red { background: var(--red-light); color: var(--red); }
.badge-yellow { background: var(--yellow-light); color: var(--yellow); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
}
.btn-primary:hover { background: var(--orange-hover); color: var(--white); }

.btn-secondary {
  background: var(--white);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}
.btn-secondary:hover { background: var(--gray-50); border-color: var(--gray-400); }

.btn-danger {
  background: var(--red);
  color: var(--white);
}
.btn-danger:hover { background: #dc2626; }

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---- Tables ---- */
.table-wrapper { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead th {
  background: var(--gray-50);
  color: var(--gray-600);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 2px solid var(--gray-200);
  white-space: nowrap;
}

tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}

tbody tr:hover { background: var(--gray-50); }

/* ---- KPI Cards ---- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.kpi-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
}

.kpi-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.kpi-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--black);
}

.kpi-sub {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 4px;
}

/* ---- Page Layout ---- */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--black);
}

.page-subtitle {
  font-size: 14px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* ---- Admin Sidebar Layout ---- */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background: var(--gray-900);
  color: var(--white);
  padding: 24px 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 200;
}

.sidebar-logo {
  padding: 0 24px 24px;
  border-bottom: 1px solid var(--gray-700);
  margin-bottom: 16px;
}

.sidebar-logo-text {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--white);
}

.sidebar-logo-sub {
  font-size: 10px;
  font-weight: 500;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.sidebar-nav { list-style: none; }

.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  color: var(--gray-400);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-nav li a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.05);
}

.sidebar-nav li a.active {
  color: var(--orange);
  background: rgba(249,115,22,0.1);
  border-left-color: var(--orange);
}

.sidebar-nav li a svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.admin-main {
  flex: 1;
  margin-left: 260px;
  padding: 32px;
  min-width: 0;
}

/* ---- Modals ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 600px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* ---- Kanban ---- */
.kanban {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
}

.kanban-column {
  min-width: 240px;
  flex: 1;
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.kanban-column-header {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-600);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kanban-count {
  background: var(--gray-300);
  color: var(--gray-700);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
}

.kanban-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: box-shadow var(--transition);
}

.kanban-card:hover { box-shadow: var(--shadow-md); }

/* ---- Utility ---- */
.text-orange { color: var(--orange); }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-gray { color: var(--gray-500); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.font-bold { font-weight: 700; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-400);
}

.empty-state svg { margin: 0 auto 16px; opacity: 0.3; }
.empty-state p { font-size: 15px; margin-bottom: 16px; }

/* ---- Toast notifications ---- */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 12px 20px;
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s ease;
  max-width: 400px;
}

.toast-success { border-left: 4px solid var(--green); }
.toast-error { border-left: 4px solid var(--red); }
.toast-info { border-left: 4px solid var(--blue); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .admin-main { margin-left: 0; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .kanban { flex-direction: column; }
  .page-header { flex-direction: column; align-items: flex-start; }
}