/* ===== Result Platform Demo — Design System ===== */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&display=swap');

:root {
  --brand: #0A3D2E;
  --brand-light: #127348;
  --brand-50: #ecfdf5;
  --brand-100: #d1fae5;
  --gold: #C8820A;
  --gold-50: #fffbeb;
  --gold-100: #fef3c7;

  --ink-0: #ffffff;
  --ink-50: #faf8f5;
  --ink-100: #f2efe9;
  --ink-200: #e5e0d6;
  --ink-300: #d1cabb;
  --ink-400: #a89f8e;
  --ink-500: #7d7567;
  --ink-600: #5c5548;
  --ink-700: #3d382f;
  --ink-800: #2a261f;
  --ink-900: #1a1208;

  --success: #16a34a;
  --success-50: #f0fdf4;
  --warning: #eab308;
  --warning-50: #fefce8;
  --error: #dc2626;
  --error-50: #fef2f2;
  --info: #2563eb;
  --info-50: #eff6ff;

  --sidebar-w: 240px;
  --sidebar-collapsed: 72px;
  --header-h: 64px;
  --radius: 12px;
  --radius-lg: 16px;
}

/* Dark mode */
html.dark {
  --ink-0: #1a1208;
  --ink-50: #2a261f;
  --ink-100: #3d382f;
  --ink-200: #4a453b;
  --ink-300: #5c5548;
  --ink-400: #7d7567;
  --ink-500: #a89f8e;
  --ink-600: #d1cabb;
  --ink-700: #e5e0d6;
  --ink-800: #f2efe9;
  --ink-900: #faf8f5;
  --brand-50: #0d2e1f;
  --brand-100: #143d2a;
  --success-50: #052e16;
  --warning-50: #422006;
  --error-50: #450a0a;
  --info-50: #1e3a5f;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-family: 'DM Sans', sans-serif; background: var(--ink-50); color: var(--ink-900); }
body { min-height: 100vh; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

/* ===== Layout ===== */
.app-layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-w); background: var(--ink-0); border-right: 1px solid var(--ink-200);
  display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; z-index: 40;
  transition: width 0.2s ease;
}
.sidebar.collapsed { width: var(--sidebar-collapsed); }
.sidebar-logo { padding: 16px 20px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid var(--ink-200); }
.sidebar-logo span { font-weight: 700; font-size: 18px; color: var(--ink-900); white-space: nowrap; }
.sidebar.collapsed .sidebar-logo span { display: none; }

.sidebar-nav { flex: 1; padding: 12px 8px; overflow-y: auto; }
.nav-group { margin-bottom: 16px; }
.nav-group-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-400); padding: 4px 12px 8px; }
.sidebar.collapsed .nav-group-label { display: none; }

.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px;
  font-size: 14px; font-weight: 500; color: var(--ink-600); transition: all 0.15s;
}
.nav-item:hover { background: var(--ink-100); color: var(--ink-900); }
.nav-item.active { background: var(--brand-50); color: var(--brand); font-weight: 600; }
.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; }
.sidebar.collapsed .nav-item span { display: none; }

.sidebar-footer { padding: 12px 8px; border-top: 1px solid var(--ink-200); }

/* Main content */
.main-content {
  flex: 1; margin-left: var(--sidebar-w); transition: margin-left 0.2s ease;
}
.sidebar.collapsed ~ .main-content { margin-left: var(--sidebar-collapsed); }

/* Header */
.header {
  height: var(--header-h); background: var(--ink-0); border-bottom: 1px solid var(--ink-200);
  display: flex; align-items: center; justify-content: space-between; padding: 0 24px;
  position: sticky; top: 0; z-index: 30;
}
.header-title { font-size: 18px; font-weight: 700; color: var(--ink-900); }
.header-actions { display: flex; align-items: center; gap: 12px; }

/* Page content */
.page-content { padding: 24px; max-width: 1280px; }

/* ===== Components ===== */

/* Cards */
.card {
  background: var(--ink-0); border: 1px solid var(--ink-200); border-radius: var(--radius-lg);
  padding: 20px; transition: box-shadow 0.2s;
}
.card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.06); }

.stat-card {
  background: var(--ink-0); border: 1px solid var(--ink-200); border-radius: var(--radius-lg);
  padding: 20px; transition: all 0.2s;
}
.stat-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); transform: translateY(-2px); }
.stat-label { font-size: 13px; color: var(--ink-500); margin-bottom: 4px; }
.stat-value { font-size: 24px; font-weight: 700; color: var(--ink-900); }
.stat-badge {
  font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 99px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px;
  border-radius: 10px; font-size: 14px; font-weight: 600; border: none; transition: all 0.15s;
}
.btn-primary { background: var(--brand); color: white; }
.btn-primary:hover { background: var(--brand-light); }
.btn-secondary { background: var(--ink-100); color: var(--ink-700); border: 1px solid var(--ink-200); }
.btn-secondary:hover { background: var(--ink-200); }
.btn-gold { background: var(--gold); color: white; }
.btn-gold:hover { opacity: 0.9; }
.btn-sm { padding: 6px 14px; font-size: 13px; }

/* Inputs */
.input-field {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--ink-200); border-radius: 10px;
  font-size: 14px; background: var(--ink-0); color: var(--ink-900); transition: border-color 0.15s;
}
.input-field:focus { outline: none; border-color: var(--brand); }
.input-label { font-size: 13px; font-weight: 600; color: var(--ink-700); margin-bottom: 6px; display: block; }

/* Badges */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 99px; font-size: 12px; font-weight: 600;
}
.badge-success { background: var(--success-50); color: var(--success); }
.badge-warning { background: var(--warning-50); color: var(--warning); }
.badge-error { background: var(--error-50); color: var(--error); }
.badge-info { background: var(--info-50); color: var(--info); }
.badge-neutral { background: var(--ink-100); color: var(--ink-600); }

/* Tables */
.table { width: 100%; border-collapse: collapse; }
.table th {
  text-align: left; padding: 12px 16px; font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-500);
  border-bottom: 1px solid var(--ink-200);
}
.table td {
  padding: 12px 16px; font-size: 14px; color: var(--ink-800);
  border-bottom: 1px solid var(--ink-100);
}
.table tr:hover td { background: var(--ink-50); }

/* Grid helpers */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* Icon containers */
.icon-box {
  width: 44px; height: 44px; border-radius: var(--radius); display: flex;
  align-items: center; justify-content: center; flex-shrink: 0;
}
.icon-box svg { width: 22px; height: 22px; }
.icon-success { background: var(--success-50); color: var(--success); }
.icon-warning { background: var(--warning-50); color: var(--warning); }
.icon-error { background: var(--error-50); color: var(--error); }
.icon-info { background: var(--info-50); color: var(--info); }
.icon-brand { background: var(--brand-50); color: var(--brand); }

/* Avatar */
.avatar {
  width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 16px; flex-shrink: 0;
  background: var(--brand-50); color: var(--brand);
}
.avatar-lg { width: 56px; height: 56px; font-size: 20px; }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 50;
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.modal-overlay.hidden { display: none; }
.modal-content {
  background: var(--ink-0); border-radius: var(--radius-lg); padding: 24px;
  max-width: 560px; width: 100%; max-height: 85vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

/* Section headers */
.page-title { font-size: 22px; font-weight: 700; color: var(--ink-900); }
.page-subtitle { font-size: 14px; color: var(--ink-500); margin-top: 2px; }
.section-title { font-size: 16px; font-weight: 600; color: var(--ink-900); margin-bottom: 12px; }

/* Empty state */
.empty-state {
  text-align: center; padding: 48px 24px; color: var(--ink-500);
}
.empty-state svg { width: 48px; height: 48px; margin: 0 auto 16px; opacity: 0.4; }

/* Quick action cards */
.action-card {
  padding: 16px; border: 2px solid var(--ink-200); border-radius: var(--radius);
  display: flex; align-items: flex-start; gap: 12px; transition: all 0.2s; cursor: pointer;
}
.action-card:hover { border-color: var(--brand-light); background: var(--brand-50); }
.action-card h4 { font-size: 14px; font-weight: 600; color: var(--ink-900); }
.action-card p { font-size: 12px; color: var(--ink-500); margin-top: 2px; }

/* ===== Login Page ===== */
.login-layout { display: flex; min-height: 100vh; }
.login-brand {
  flex: 1; background: var(--brand); color: white; display: flex; flex-direction: column;
  justify-content: center; padding: 48px; position: relative; overflow: hidden;
}
.login-brand h1 { font-size: 42px; font-weight: 700; line-height: 1.15; margin-bottom: 16px; }
.login-brand h1 .gold { color: var(--gold); }
.login-brand p { font-size: 16px; opacity: 0.8; line-height: 1.6; }
.login-form-side {
  flex: 1; display: flex; align-items: center; justify-content: center; padding: 48px;
  background: var(--ink-50);
}
.login-form { max-width: 400px; width: 100%; }
.login-form h2 { font-size: 28px; font-weight: 700; color: var(--ink-900); margin-bottom: 6px; }
.login-form .subtitle { font-size: 14px; color: var(--ink-500); margin-bottom: 32px; }

/* ===== Parent Portal ===== */
.parent-layout { min-height: 100vh; background: var(--ink-50); }
.parent-header {
  background: var(--brand); color: white; padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.parent-header h1 { font-size: 18px; font-weight: 700; }
.parent-content { padding: 24px; max-width: 960px; margin: 0 auto; }

/* ===== Report Card Print ===== */
.report-card {
  background: white; border: 2px solid var(--ink-200); border-radius: var(--radius-lg);
  padding: 32px; max-width: 800px; margin: 0 auto;
}
.report-card-header {
  text-align: center; border-bottom: 2px solid var(--brand); padding-bottom: 16px; margin-bottom: 24px;
}
.report-card-header h1 { font-size: 20px; font-weight: 700; color: var(--brand); }
.report-card-header p { font-size: 13px; color: var(--ink-500); }

/* ===== Chart containers ===== */
.donut-chart { position: relative; width: 160px; height: 160px; flex-shrink: 0; }
.donut-center {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
.donut-center .pct { font-size: 28px; font-weight: 700; color: var(--ink-900); }
.donut-center .label { font-size: 12px; color: var(--ink-500); }

.bar-chart { display: flex; align-items: flex-end; gap: 4px; height: 180px; }
.bar-group { flex: 1; display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; }
.bar { width: 100%; border-radius: 4px 4px 0 0; transition: height 0.5s; min-width: 8px; }
.bar-label { font-size: 10px; color: var(--ink-500); margin-top: 6px; text-align: center; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0 !important; }
  .login-brand { display: none; }
  .login-form-side { flex: 1; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

@media print {
  .sidebar, .header, .btn, .nav-item { display: none !important; }
  .main-content { margin-left: 0 !important; }
  .page-content { padding: 0; }
}