/* ============================================
   SV PRO — Professional Portal Design System
   Personal Workspace Feel
   Think: Linear + Notion + Stripe + Google Calendar
   NOT ERP. Personal productivity workspace.
   ============================================ */

:root {
  --white: #ffffff;
  --gray-25: #fcfcfd;
  --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;
  --gray-950: #0a0e17;

  --font: -apple-system, BlinkMacSystemFont, 'Inter', 'SF Pro Display', sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 2px 6px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);

  --sidebar-w: 240px;
  --header-h: 56px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); color: var(--gray-800); background: var(--gray-50); min-height: 100vh; display: flex; }
a { color: inherit; text-decoration: none; }

/* === SIDEBAR === */
.sidebar {
  width: var(--sidebar-w); height: 100vh; position: fixed; top: 0; left: 0;
  background: var(--gray-950); color: var(--gray-400);
  display: flex; flex-direction: column; z-index: 100;
  padding: 16px 12px;
}
.sidebar-logo { font-size: 16px; font-weight: 700; color: var(--white); padding: 8px 12px; margin-bottom: 8px; letter-spacing: -0.3px; }
.sidebar-section { margin-top: 20px; }
.sidebar-label { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px; color: var(--gray-600); padding: 4px 12px; margin-bottom: 4px; }
.sidebar-item { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; color: var(--gray-400); cursor: pointer; transition: all 100ms; }
.sidebar-item:hover { background: rgba(255,255,255,0.06); color: var(--gray-200); }
.sidebar-item.active { background: rgba(255,255,255,0.1); color: var(--white); font-weight: 600; }
.sidebar-icon { width: 18px; text-align: center; font-size: 14px; }
.sidebar-badge { margin-left: auto; background: rgba(255,255,255,0.15); color: var(--white); font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: var(--radius-full); }
.sidebar-footer { margin-top: auto; padding: 12px; border-top: 1px solid rgba(255,255,255,0.08); display: flex; align-items: center; gap: 10px; }
.sidebar-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--gray-700); }
.sidebar-user { font-size: 12px; color: var(--gray-300); font-weight: 500; }
.sidebar-user-role { font-size: 10px; color: var(--gray-500); }

/* === MAIN AREA === */
.main { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; min-height: 100vh; }

/* === HEADER === */
.header {
  height: var(--header-h); background: var(--white); border-bottom: 1px solid var(--gray-100);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; position: sticky; top: 0; z-index: 50;
}
.header-left { display: flex; align-items: center; gap: 16px; }
.header-title { font-size: 15px; font-weight: 600; }
.header-breadcrumb { font-size: 12px; color: var(--gray-400); }
.header-right { display: flex; align-items: center; gap: 12px; }
.header-search { display: flex; align-items: center; gap: 6px; padding: 6px 14px; background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius-full); font-size: 12px; color: var(--gray-400); min-width: 180px; cursor: pointer; }
.header-icon { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 14px; }
.header-icon:hover { background: var(--gray-100); }

/* === PAGE === */
.page { padding: 24px; flex: 1; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.page-title { font-size: 22px; font-weight: 700; letter-spacing: -0.3px; }
.page-subtitle { font-size: 13px; color: var(--gray-500); margin-top: 2px; }
.page-actions { display: flex; gap: 8px; }

/* === CARDS === */
.card { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); padding: 20px; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-size: 14px; font-weight: 600; }
.card-subtitle { font-size: 11px; color: var(--gray-400); }

/* === KPI CARDS === */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.kpi { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); padding: 20px; }
.kpi-label { font-size: 12px; color: var(--gray-500); font-weight: 500; }
.kpi-value { font-size: 28px; font-weight: 700; margin-top: 4px; letter-spacing: -0.5px; }
.kpi-change { font-size: 11px; color: var(--gray-400); margin-top: 4px; }

/* === GRID === */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-sidebar { grid-template-columns: 1fr 320px; gap: 24px; }

/* === BUTTONS === */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-family: var(--font); font-weight: 600; border: none; cursor: pointer; transition: all 100ms; }
.btn-primary { background: var(--gray-900); color: var(--white); padding: 9px 18px; border-radius: var(--radius-sm); font-size: 13px; }
.btn-primary:hover { background: var(--gray-700); }
.btn-secondary { background: var(--white); color: var(--gray-700); border: 1px solid var(--gray-200); padding: 8px 16px; border-radius: var(--radius-sm); font-size: 13px; }
.btn-secondary:hover { border-color: var(--gray-300); background: var(--gray-50); }
.btn-ghost { background: transparent; color: var(--gray-500); padding: 8px 12px; border-radius: var(--radius-sm); font-size: 13px; }
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-800); }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* === BADGE === */
.badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: var(--radius-full); font-size: 11px; font-weight: 600; }
.badge-dark { background: var(--gray-900); color: var(--white); }
.badge-light { background: var(--gray-100); color: var(--gray-600); }
.badge-outline { border: 1px solid var(--gray-200); color: var(--gray-500); }
.badge-warning { background: #fef3c7; color: #92400e; }

/* === SCHEDULE ITEM === */
.schedule-item { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--gray-50); }
.schedule-time { width: 56px; font-size: 12px; font-weight: 600; color: var(--gray-500); padding-top: 2px; }
.schedule-content { flex: 1; }
.schedule-title { font-size: 13px; font-weight: 600; }
.schedule-meta { font-size: 11px; color: var(--gray-400); margin-top: 2px; }
.schedule-bar { width: 3px; border-radius: 2px; background: var(--gray-300); flex-shrink: 0; }
.schedule-bar.active { background: var(--gray-900); }

/* === ACTIVITY CARD === */
.activity-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border: 1px solid var(--gray-100); border-radius: var(--radius-md); margin-bottom: 8px; transition: background 100ms; cursor: pointer; }
.activity-item:hover { background: var(--gray-50); }
.activity-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--gray-200); flex-shrink: 0; }
.activity-info { flex: 1; }
.activity-title { font-size: 13px; font-weight: 600; }
.activity-detail { font-size: 11px; color: var(--gray-400); }

/* === CALENDAR WIDGET === */
.cal-mini { background: var(--gray-50); border-radius: var(--radius-md); padding: 16px; }
.cal-mini-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; text-align: center; }
.cal-mini-header { font-size: 9px; font-weight: 600; color: var(--gray-400); padding: 4px 0; text-transform: uppercase; }
.cal-mini-day { font-size: 12px; padding: 6px 0; border-radius: 4px; cursor: pointer; }
.cal-mini-day:hover { background: var(--gray-200); }
.cal-mini-day.today { background: var(--gray-900); color: var(--white); font-weight: 600; }
.cal-mini-day.has-event { font-weight: 600; }
.cal-mini-day.disabled { color: var(--gray-300); }

/* === REVIEW CARD === */
.review-item { padding: 14px 0; border-bottom: 1px solid var(--gray-50); }
.review-item:last-child { border-bottom: none; }
.review-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.review-author { font-size: 12px; font-weight: 600; }
.review-date { font-size: 11px; color: var(--gray-400); }
.review-stars { font-size: 12px; margin-left: auto; }
.review-text { font-size: 12px; color: var(--gray-500); line-height: 1.6; }

/* === TABS === */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--gray-200); margin-bottom: 20px; }
.tab { padding: 10px 16px; font-size: 13px; font-weight: 500; color: var(--gray-400); border-bottom: 2px solid transparent; cursor: pointer; }
.tab:hover { color: var(--gray-700); }
.tab.active { color: var(--gray-900); border-bottom-color: var(--gray-900); }

/* === TABLE === */
.table { width: 100%; border-collapse: collapse; }
.table th { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; color: var(--gray-400); text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--gray-100); }
.table td { font-size: 13px; padding: 12px; border-bottom: 1px solid var(--gray-50); }
.table tr:hover td { background: var(--gray-25); }

/* === UTILITY === */
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.text-muted { color: var(--gray-500); }
.text-bold { font-weight: 600; }
.mt-2 { margin-top: 8px; } .mt-4 { margin-top: 16px; } .mt-6 { margin-top: 24px; }
.mb-2 { margin-bottom: 8px; } .mb-4 { margin-bottom: 16px; }
.flex { display: flex; } .items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; } .gap-3 { gap: 12px; } .gap-4 { gap: 16px; }

@media (max-width: 1200px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } .grid-sidebar { grid-template-columns: 1fr; } }
@media (max-width: 768px) { .sidebar { display: none; } .main { margin-left: 0; } .kpi-grid { grid-template-columns: 1fr; } }