/* ==========================================================================
   DryvMe Design System — v1.0
   Source of truth: Documents/DesignSystem.md
   Shared by: Manager app (Phase 1); mirror tokens in mobile theme (Phases 2-3)
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Color */
  --dm-primary:      #2563EB;  /* brand blue: CTAs, links, active states */
  --dm-primary-dark: #1D4FD7;  /* hover: blue darkened ~8% */
  --dm-navy:         #0F172A;  /* headers, dark backgrounds, footer */
  --dm-coral:        #FF6B57;  /* accent only: highlights, badges, secondary CTA */
  --dm-sky:          #EFF6FF;  /* section backgrounds, soft cards, info panels */
  --dm-border:       #E5E7EB;  /* dividers, input borders */
  --dm-text:         #0F172A;  /* headings & strong text */
  --dm-text-muted:   #475569;  /* body, metadata, helper text */
  --dm-success:      #16A34A;
  --dm-warning:      #F59E0B;
  --dm-error:        #DC2626;
  --dm-white:        #FFFFFF;

  /* Tints (backgrounds for badges/alerts) */
  --dm-primary-tint: #DBEAFE;
  --dm-coral-tint:   #FFE8E4;
  --dm-success-tint: #DCFCE7;
  --dm-warning-tint: #FEF3C7;
  --dm-error-tint:   #FEE2E2;

  /* Typography — Inter everywhere */
  --dm-font: 'Inter', -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;

  /* Spacing — 8px system */
  --sp-1: 8px;  --sp-2: 16px; --sp-3: 24px; --sp-4: 32px;
  --sp-5: 40px; --sp-6: 48px; --sp-8: 64px; --sp-10: 80px;

  /* Radii */
  --dm-radius-control: 12px;   /* buttons, inputs */
  --dm-radius-card:    16px;   /* cards, panels */
  --dm-radius-pill:    999px;  /* badges */

  /* Elevation */
  --dm-shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 4px 12px rgba(15, 23, 42, 0.05);
  --dm-shadow-pop:  0 8px 24px rgba(15, 23, 42, 0.12);

  /* Motion — short & functional */
  --dm-fast: 150ms ease;
  --dm-med:  250ms ease;

  /* Layout */
  --dm-content-max: 1240px;   /* 1200-1280 desktop max content width */
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--dm-font);
  font-size: 16px;
  line-height: 24px;
  color: var(--dm-text-muted);
  background: var(--dm-white);
  -webkit-font-smoothing: antialiased;
}

.dm-container { max-width: var(--dm-content-max); margin: 0 auto; padding: 0 var(--sp-3); }
.dm-section-sky { background: var(--dm-sky); }

/* ---------- Typography scale ---------- */
.dm-display { font-size: 48px; line-height: 56px; font-weight: 700; color: var(--dm-text); margin: 0; }
h1, .dm-h1  { font-size: 40px; line-height: 48px; font-weight: 700; color: var(--dm-text); margin: 0 0 var(--sp-2); }
h2, .dm-h2  { font-size: 32px; line-height: 40px; font-weight: 600; color: var(--dm-text); margin: 0 0 var(--sp-2); }
h3, .dm-h3  { font-size: 24px; line-height: 32px; font-weight: 600; color: var(--dm-text); margin: 0 0 var(--sp-1); }
p           { margin: 0 0 var(--sp-2); }
.dm-body-sm { font-size: 14px; line-height: 20px; }
.dm-label   { font-size: 12px; line-height: 16px; font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase; }

a { color: var(--dm-primary); text-decoration: none; transition: color var(--dm-fast); }
a:hover { color: var(--dm-primary-dark); text-decoration: underline; }

/* ---------- Icons (Lineicons Pro sprite: Public/icons/) ---------- */
.icon {
  width: 20px; height: 20px;
  vertical-align: -4px;
  fill: currentColor;
  flex-shrink: 0;
}
.icon-sm { width: 16px; height: 16px; vertical-align: -3px; }
.icon-lg { width: 24px; height: 24px; vertical-align: -5px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-1);
  height: 44px; padding: 0 var(--sp-3);
  border-radius: var(--dm-radius-control);
  font-family: var(--dm-font); font-size: 14px; line-height: 20px; font-weight: 600;
  border: 1.5px solid transparent; cursor: pointer;
  transition: background var(--dm-fast), border-color var(--dm-fast), color var(--dm-fast), box-shadow var(--dm-fast);
  white-space: nowrap;
}
.btn:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--dm-white), 0 0 0 4px var(--dm-primary); }
.btn:disabled { opacity: 0.4; pointer-events: none; }

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

.btn-secondary { background: var(--dm-white); color: var(--dm-primary); border-color: var(--dm-primary); }
.btn-secondary:hover { background: var(--dm-sky); }

.btn-tertiary  { background: transparent; color: var(--dm-primary); padding: 0 var(--sp-1); height: auto; }
.btn-tertiary:hover { text-decoration: underline; }

.btn-coral     { background: var(--dm-coral); color: var(--dm-white); }
.btn-coral:hover { filter: brightness(0.92); }

.btn-danger    { background: var(--dm-error); color: var(--dm-white); }
.btn-danger:hover { filter: brightness(0.9); }

.btn-sm { height: 36px; padding: 0 var(--sp-2); font-size: 13px; }

/* ---------- Forms ---------- */
.form-field { margin-bottom: var(--sp-2); }
.form-label {
  display: block; margin-bottom: 6px;
  font-size: 12px; line-height: 16px; font-weight: 600; color: var(--dm-text);
}
.form-input, .form-select, .form-textarea {
  width: 100%; height: 44px; padding: 0 var(--sp-2);
  background: var(--dm-white);
  border: 1.5px solid var(--dm-border); border-radius: var(--dm-radius-control);
  font-family: var(--dm-font); font-size: 15px; color: var(--dm-text);
  transition: border-color var(--dm-fast), box-shadow var(--dm-fast);
}
.form-textarea { height: auto; padding: 12px var(--sp-2); resize: vertical; }
.form-input::placeholder { color: #94A3B8; }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--dm-primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.25);
}
.form-input:disabled { opacity: 0.4; }
.form-input.is-error { border-color: var(--dm-error); }
.form-help  { margin-top: 4px; font-size: 13px; color: var(--dm-text-muted); }
.form-error { margin-top: 4px; font-size: 13px; color: var(--dm-error); }

/* ---------- Cards ---------- */
.card {
  background: var(--dm-white);
  border: 1px solid var(--dm-border);
  border-radius: var(--dm-radius-card);
  box-shadow: var(--dm-shadow-card);
  padding: var(--sp-3);
  transition: box-shadow var(--dm-med);
}
.card-sky { background: var(--dm-sky); border-color: transparent; box-shadow: none; }
.card-title { display: flex; align-items: center; gap: var(--sp-1); font-size: 16px; font-weight: 600; color: var(--dm-text); margin: 0 0 var(--sp-2); }

/* KPI stat card (dashboard) */
.kpi { display: flex; flex-direction: column; gap: 4px; }
.kpi .kpi-label { font-size: 12px; line-height: 16px; font-weight: 600; color: var(--dm-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.kpi .kpi-value { font-size: 32px; line-height: 40px; font-weight: 700; color: var(--dm-text); }
.kpi .kpi-delta { font-size: 13px; font-weight: 600; }
.kpi .kpi-delta.up   { color: var(--dm-success); }
.kpi .kpi-delta.down { color: var(--dm-error); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 10px; border-radius: var(--dm-radius-pill);
  font-size: 12px; line-height: 18px; font-weight: 600;
}
.badge-blue    { background: var(--dm-primary-tint); color: var(--dm-primary-dark); }
.badge-coral   { background: var(--dm-coral-tint);   color: #C2402F; }
.badge-success { background: var(--dm-success-tint); color: #15803D; }
.badge-warning { background: var(--dm-warning-tint); color: #B45309; }
.badge-error   { background: var(--dm-error-tint);   color: #B91C1C; }
.badge-gray    { background: #F1F5F9;                color: var(--dm-text-muted); }

/* ---------- Alerts / toasts ---------- */
.alert {
  display: flex; gap: var(--sp-1); align-items: flex-start;
  padding: 12px var(--sp-2); border-radius: var(--dm-radius-control);
  font-size: 14px; line-height: 20px; border: 1px solid transparent;
}
.alert-info    { background: var(--dm-sky);          color: var(--dm-primary-dark); border-color: #BFDBFE; }
.alert-success { background: var(--dm-success-tint); color: #15803D; border-color: #BBF7D0; }
.alert-warning { background: var(--dm-warning-tint); color: #B45309; border-color: #FDE68A; }
.alert-error   { background: var(--dm-error-tint);   color: #B91C1C; border-color: #FECACA; }

/* ---------- App shell: navbar / sidebar / footer ---------- */
.navbar {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; padding: 0 var(--sp-3);
  background: var(--dm-white); border-bottom: 1px solid var(--dm-border);
}
.navbar-dark { background: var(--dm-navy); border-bottom: none; }
.navbar-dark a { color: #CBD5E1; } .navbar-dark a:hover { color: var(--dm-white); }
.navbar .brand { display: flex; align-items: center; gap: var(--sp-1); font-weight: 700; font-size: 18px; color: var(--dm-navy); }

.sidebar {
  width: 240px; min-height: 100%;
  background: var(--dm-navy); color: #CBD5E1;
  padding: var(--sp-2) 0;
}
.sidebar-link {
  display: flex; align-items: center; gap: 12px;
  padding: 10px var(--sp-3); margin: 2px var(--sp-1);
  border-radius: var(--dm-radius-control);
  color: #CBD5E1; font-size: 14px; font-weight: 500;
  transition: background var(--dm-fast), color var(--dm-fast);
}
.sidebar-link:hover { background: rgba(255,255,255,0.06); color: var(--dm-white); text-decoration: none; }
.sidebar-link.active { background: var(--dm-primary); color: var(--dm-white); }
.sidebar-link .icon { width: 18px; height: 18px; }

.footer { background: var(--dm-navy); color: #94A3B8; padding: var(--sp-5) 0; font-size: 14px; }
.footer a { color: #CBD5E1; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--dm-border); border-radius: var(--dm-radius-card); background: var(--dm-white); }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; padding: 12px var(--sp-2);
  font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--dm-text-muted); background: #F8FAFC; border-bottom: 1px solid var(--dm-border);
}
.table td { padding: 12px var(--sp-2); border-bottom: 1px solid var(--dm-border); color: var(--dm-text); }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr { transition: background var(--dm-fast); }
.table tbody tr:hover { background: var(--dm-sky); }

/* ---------- Utilities ---------- */
.text-muted   { color: var(--dm-text-muted); }
.text-navy    { color: var(--dm-navy); }
.text-success { color: var(--dm-success); }
.text-error   { color: var(--dm-error); }
.flex   { display: flex; } .flex-col { flex-direction: column; }
.items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-1 { gap: var(--sp-1); } .gap-2 { gap: var(--sp-2); } .gap-3 { gap: var(--sp-3); }
.grid  { display: grid; gap: var(--sp-2); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; } }
.mt-1 { margin-top: var(--sp-1); } .mt-2 { margin-top: var(--sp-2); } .mt-3 { margin-top: var(--sp-3); } .mt-4 { margin-top: var(--sp-4); }
.mb-1 { margin-bottom: var(--sp-1); } .mb-2 { margin-bottom: var(--sp-2); } .mb-3 { margin-bottom: var(--sp-3); } .mb-4 { margin-bottom: var(--sp-4); }