/* =====================================================================
   Pack & Go — Unified Design System
   Modern blue palette, Sora display + DM Sans body.
   Apps include this BEFORE their app-specific styles so they can override.
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800&family=DM+Sans:wght@300;400;500;700&display=swap');

:root {
  /* Surfaces */
  --pg-bg:        #F0F7FF;
  --pg-surface:   #FFFFFF;
  --pg-surface2:  #E8F2FF;
  --pg-surface3:  #F8FBFF;
  --pg-border:    #D0E4F7;
  --pg-border-2:  #E0EDFF;

  /* Text */
  --pg-ink:       #0A1929;
  --pg-ink-soft:  #1E3A5F;
  --pg-muted:     #5B7A99;
  --pg-faint:     #94A3B8;

  /* Brand */
  --pg-accent:        #0066FF;
  --pg-accent-dark:   #0052CC;
  --pg-accent-light:  #E0EDFF;
  --pg-accent-bg:     #F0F7FF;

  /* Semantic */
  --pg-success:       #16A34A;
  --pg-success-light: #DCFCE7;
  --pg-warn:          #D97706;
  --pg-warn-light:    #FEF3C7;
  --pg-danger:        #DC2626;
  --pg-danger-light:  #FEE2E2;

  /* Typography */
  --pg-font-display: 'Sora', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --pg-font-body:    'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing scale */
  --pg-r-sm: 8px;
  --pg-r-md: 12px;
  --pg-r-lg: 16px;
  --pg-r-xl: 22px;
  --pg-r-pill: 999px;

  /* Shadows */
  --pg-shadow-sm: 0 1px 4px rgba(10,25,41,0.04);
  --pg-shadow-md: 0 4px 14px rgba(0,102,255,0.10);
  --pg-shadow-lg: 0 8px 28px rgba(0,102,255,0.18);
}

/* =====================================================================
   Reset / base
   ===================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--pg-bg); color: var(--pg-ink); min-height: 100vh; }
body { font-family: var(--pg-font-body); line-height: 1.5; -webkit-font-smoothing: antialiased; }

/* =====================================================================
   Layout utilities
   ===================================================================== */
.pg-app { max-width: 880px; margin: 0 auto; padding: 32px 20px 80px; }

.pg-header { text-align: center; margin-bottom: 32px; }
.pg-header .pg-logo { font-size: 2.6rem; display: block; margin-bottom: 6px; }
.pg-header h1 {
  font-family: var(--pg-font-display); font-weight: 800;
  font-size: clamp(1.6rem, 4.5vw, 2.4rem); line-height: 1.1; letter-spacing: -0.02em;
}
.pg-header h1 em, .pg-header h1 .accent { font-style: normal; color: var(--pg-accent); }
.pg-header .pg-tagline { color: var(--pg-muted); margin-top: 6px; font-size: 0.9rem; }

/* =====================================================================
   Card
   ===================================================================== */
.pg-card {
  background: var(--pg-surface);
  border: 1px solid var(--pg-border);
  border-radius: var(--pg-r-lg);
  padding: 22px;
  margin-bottom: 14px;
  box-shadow: var(--pg-shadow-sm);
}
.pg-card-title {
  font-family: var(--pg-font-display);
  font-size: 0.78rem; font-weight: 700;
  color: var(--pg-muted); text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 14px;
}

/* =====================================================================
   Buttons
   ===================================================================== */
.pg-btn {
  font-family: var(--pg-font-display); font-weight: 700; font-size: 0.9rem;
  padding: 11px 20px; border-radius: var(--pg-r-md);
  cursor: pointer; transition: all 0.15s ease; border: none;
  display: inline-flex; align-items: center; gap: 7px;
  line-height: 1.2;
}
.pg-btn-primary { background: var(--pg-accent); color: white; }
.pg-btn-primary:hover { background: var(--pg-accent-dark); transform: translateY(-1px); box-shadow: var(--pg-shadow-md); }
.pg-btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.pg-btn-secondary { background: var(--pg-surface); color: var(--pg-ink); border: 1.5px solid var(--pg-border); }
.pg-btn-secondary:hover { border-color: var(--pg-accent); color: var(--pg-accent); }

.pg-btn-ghost { background: transparent; color: var(--pg-muted); }
.pg-btn-ghost:hover { background: var(--pg-accent-light); color: var(--pg-accent-dark); }

.pg-btn-danger:hover { border-color: var(--pg-danger); color: var(--pg-danger); }
.pg-btn-success { background: var(--pg-success); color: white; }
.pg-btn-success:hover { background: #15803D; }

.pg-btn-full { width: 100%; padding: 14px; font-size: 0.95rem; justify-content: center; }
.pg-btn-pill { border-radius: var(--pg-r-pill); }

/* =====================================================================
   Form controls
   ===================================================================== */
.pg-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.pg-label {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em;
  font-weight: 700; color: var(--pg-muted);
}
.pg-input, .pg-select, .pg-textarea {
  font-family: var(--pg-font-body); font-size: 0.93rem;
  background: var(--pg-surface3); border: 1.5px solid var(--pg-border);
  border-radius: var(--pg-r-md); padding: 10px 14px; color: var(--pg-ink);
  outline: none; transition: border-color 0.15s, background 0.15s; width: 100%;
}
.pg-input:focus, .pg-select:focus, .pg-textarea:focus { border-color: var(--pg-accent); background: var(--pg-surface); }
.pg-textarea { resize: vertical; min-height: 80px; }

/* Chip / tag */
.pg-chip {
  padding: 6px 13px; border: 1.5px solid var(--pg-border); border-radius: var(--pg-r-pill);
  font-size: 0.82rem; cursor: pointer; background: var(--pg-surface); color: var(--pg-ink);
  transition: all 0.15s; user-select: none; font-family: inherit;
}
.pg-chip:hover:not(.selected) { border-color: var(--pg-accent); color: var(--pg-accent); }
.pg-chip.selected { background: var(--pg-accent); border-color: var(--pg-accent); color: white; font-weight: 600; }

/* Tabs */
.pg-tabs { display: flex; gap: 4px; background: var(--pg-surface2); border-radius: var(--pg-r-md); padding: 4px; margin-bottom: 18px; }
.pg-tab {
  flex: 1; padding: 9px; text-align: center; border-radius: 9px;
  font-size: 0.85rem; font-weight: 600; cursor: pointer; border: none;
  background: transparent; color: var(--pg-muted); transition: all 0.15s;
  font-family: var(--pg-font-display);
}
.pg-tab.active { background: var(--pg-surface); color: var(--pg-ink); box-shadow: 0 1px 4px rgba(0,102,255,0.1); }

/* Stat cards */
.pg-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin-bottom: 18px; }
.pg-stat { background: var(--pg-surface); border: 1px solid var(--pg-border); border-radius: var(--pg-r-md); padding: 14px; text-align: center; }
.pg-stat-num { font-family: var(--pg-font-display); font-size: 1.4rem; font-weight: 800; color: var(--pg-accent); }
.pg-stat-label { font-size: 0.7rem; color: var(--pg-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 3px; }

/* Toast (global) */
#pg-save-toast { font-family: var(--pg-font-body) !important; }

/* Active-trip banner injected by auth.js — already inline-styled, but allow
   apps to push content below it without manual padding. */
body:has(#pg-trip-banner) { padding-top: 0; }

/* =====================================================================
   Animations
   ===================================================================== */
@keyframes pg-fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.pg-fade-in { animation: pg-fade-up 0.3s ease; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* =====================================================================
   Mobile
   ===================================================================== */
@media (max-width: 560px) {
  .pg-app { padding: 24px 14px 60px; }
  .pg-stats { grid-template-columns: 1fr 1fr; }
}