/* ============================================================
   CRM Foundation — app.css
   Design: Dark slate sidebar + clean white main area
   ============================================================ */

/* ── Design Tokens ──────────────────────────────────────────*/
:root {
  --crm-sidebar-width: 248px;
  --crm-topbar-height: 56px;

  /* Palette */
  --crm-slate-900: #0f172a;
  --crm-slate-800: #1e293b;
  --crm-slate-700: #334155;
  --crm-slate-400: #94a3b8;
  --crm-slate-200: #e2e8f0;
  --crm-slate-50:  #f8fafc;

  --crm-primary:   #4f46e5;
  --crm-primary-h: #4338ca;
  --crm-primary-l: #eef2ff;

  --crm-accent:    #06b6d4;
  --crm-success:   #10b981;
  --crm-danger:    #ef4444;
  --crm-warning:   #f59e0b;

  /* Typography */
  --crm-font: 'Inter', system-ui, -apple-system, sans-serif;
  --crm-font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Surfaces */
  --crm-bg:       #f1f5f9;
  --crm-surface:  #ffffff;
  --crm-border:   var(--crm-slate-200);

  /* Shadow */
  --crm-shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --crm-shadow:    0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -1px rgba(0,0,0,.04);
  --crm-shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);

  --crm-radius:   10px;
  --crm-radius-sm: 6px;
}

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

body {
  font-family: var(--crm-font);
  background: var(--crm-bg);
  color: var(--crm-slate-800);
  margin: 0;
  font-size: 0.9rem;
  -webkit-font-smoothing: antialiased;
}

/* ── Auth Layout ────────────────────────────────────────────*/
.crm-auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--crm-slate-900) 0%, var(--crm-slate-800) 50%, #1e1b4b 100%);
  padding: 1.5rem;
}

.crm-auth-wrapper {
  width: 100%;
  max-width: 420px;
}

.crm-auth-card {
  background: var(--crm-surface);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--crm-shadow-lg), 0 0 0 1px rgba(255,255,255,.05);
}

.crm-auth-brand {
  text-align: center;
  margin-bottom: 2rem;
}

.crm-auth-logo {
  width: 56px; height: 56px;
  background: var(--crm-primary);
  border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.5rem;
  margin-bottom: .75rem;
  box-shadow: 0 4px 14px rgba(79,70,229,.4);
}

.crm-auth-title {
  font-size: 1.5rem; font-weight: 700;
  color: var(--crm-slate-900);
  margin: 0 0 .25rem;
  letter-spacing: -.02em;
}

.crm-auth-subtitle {
  font-size: .8rem; color: var(--crm-slate-400);
  margin: 0; text-transform: uppercase; letter-spacing: .08em;
}

.crm-auth-note {
  font-size: .8rem; color: var(--crm-slate-400);
  text-align: center; margin: 0;
}

/* Input group styling */
.crm-input-group .input-group-text {
  background: var(--crm-slate-50);
  border-color: var(--crm-border);
  color: var(--crm-slate-400);
}
.crm-input-group .form-control {
  border-color: var(--crm-border);
}
.crm-input-group .form-control:focus {
  border-color: var(--crm-primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
}

/* Primary button */
.crm-btn-primary {
  background: var(--crm-primary);
  border-color: var(--crm-primary);
  color: #fff;
  font-weight: 600;
  padding: .5rem 1.25rem;
  border-radius: var(--crm-radius-sm);
  transition: background .15s, transform .1s;
}
.crm-btn-primary:hover, .crm-btn-primary:focus {
  background: var(--crm-primary-h);
  border-color: var(--crm-primary-h);
  color: #fff;
  transform: translateY(-1px);
}
.crm-btn-primary:active { transform: translateY(0); }

/* PW toggle */
.crm-pw-toggle {
  border-color: var(--crm-border);
  color: var(--crm-slate-400);
}

/* ── App Layout ─────────────────────────────────────────────*/
.crm-app-body { display: flex; min-height: 100vh; }

/* Sidebar */
.crm-sidebar {
  width: var(--crm-sidebar-width);
  background: var(--crm-slate-900);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0;
  z-index: 200;
  transition: transform .25s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
}

.crm-sidebar-brand {
  display: flex; align-items: center; gap: .75rem;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--crm-slate-700);
}

.crm-logo-icon {
  width: 34px; height: 34px;
  background: var(--crm-primary);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem; flex-shrink: 0;
}

.crm-logo-text {
  font-size: 1rem; font-weight: 700;
  color: #fff; letter-spacing: -.01em;
}

/* Nav */
.crm-nav { flex: 1; padding: 1rem 0; }

.crm-nav-section { margin-bottom: 1.25rem; }

.crm-nav-label {
  display: block;
  font-size: .65rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .1em; color: var(--crm-slate-400);
  padding: 0 1.25rem .5rem;
}

.crm-nav-link {
  display: flex; align-items: center; gap: .65rem;
  padding: .55rem 1.25rem;
  color: var(--crm-slate-400);
  text-decoration: none;
  border-radius: 0;
  font-size: .875rem;
  transition: color .15s, background .15s;
  position: relative;
}
.crm-nav-link i { font-size: 1rem; }
.crm-nav-link:hover {
  color: #fff;
  background: var(--crm-slate-800);
}
.crm-nav-link.active {
  color: #fff;
  background: var(--crm-slate-800);
}
.crm-nav-link.active::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--crm-primary);
  border-radius: 0 2px 2px 0;
}

/* Sidebar footer */
.crm-sidebar-footer {
  padding: 1rem 1rem;
  border-top: 1px solid var(--crm-slate-700);
  display: flex; align-items: center; gap: .5rem;
}

.crm-user-chip {
  flex: 1; display: flex; align-items: center; gap: .6rem; min-width: 0;
}

.crm-avatar {
  width: 32px; height: 32px;
  background: var(--crm-primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: .75rem; font-weight: 700;
  flex-shrink: 0;
}

.crm-user-info {
  min-width: 0; display: flex; flex-direction: column;
}
.crm-user-name {
  font-size: .8rem; font-weight: 600; color: #fff;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.crm-user-role {
  font-size: .7rem; color: var(--crm-slate-400);
}

.crm-logout-btn {
  width: 30px; height: 30px;
  background: none; border: none;
  color: var(--crm-slate-400);
  border-radius: 6px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: color .15s, background .15s;
  padding: 0; flex-shrink: 0;
}
.crm-logout-btn:hover { color: var(--crm-danger); background: rgba(239,68,68,.1); }

/* Main area */
.crm-main {
  margin-left: var(--crm-sidebar-width);
  flex: 1; display: flex; flex-direction: column;
  min-width: 0;
}

/* Topbar */
.crm-topbar {
  height: var(--crm-topbar-height);
  background: var(--crm-surface);
  border-bottom: 1px solid var(--crm-border);
  display: flex; align-items: center; gap: 1rem;
  padding: 0 1.5rem;
  position: sticky; top: 0; z-index: 100;
}

.crm-sidebar-toggle {
  background: none; border: none; cursor: pointer;
  color: var(--crm-slate-700); padding: .25rem; font-size: 1.25rem;
}

.crm-topbar-title { flex: 1; font-weight: 600; color: var(--crm-slate-700); }
.crm-topbar-right { display: flex; align-items: center; gap: .75rem; }

/* Content */
.crm-content { flex: 1; padding: 1.5rem; max-width: 1400px; width: 100%; }

/* ── Page Header ────────────────────────────────────────────*/
.crm-page-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 1.5rem; flex-wrap: wrap; gap: .75rem;
}
.crm-page-title { font-size: 1.4rem; font-weight: 700; margin: 0; color: var(--crm-slate-900); letter-spacing: -.02em; }
.crm-page-subtitle { font-size: .85rem; color: var(--crm-slate-400); margin: .2rem 0 0; }

/* ── Cards ──────────────────────────────────────────────────*/
.crm-card {
  background: var(--crm-surface);
  border: 1px solid var(--crm-border);
  border-radius: var(--crm-radius);
  box-shadow: var(--crm-shadow-sm);
  overflow: hidden;
}
.crm-card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--crm-border);
  background: var(--crm-slate-50);
}
.crm-card-title { font-size: .95rem; font-weight: 600; margin: 0; color: var(--crm-slate-800); }
.crm-card-body { padding: 1.25rem; }

/* ── Stat Cards ─────────────────────────────────────────────*/
.crm-stat-card {
  background: var(--crm-surface);
  border: 1px solid var(--crm-border);
  border-radius: var(--crm-radius);
  padding: 1.25rem;
  display: flex; align-items: center; gap: 1rem;
  box-shadow: var(--crm-shadow-sm);
  transition: box-shadow .2s;
}
.crm-stat-card:hover { box-shadow: var(--crm-shadow); }

.crm-stat-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; flex-shrink: 0;
}
.crm-stat-blue  { background: #eff6ff; color: #3b82f6; }
.crm-stat-green { background: #ecfdf5; color: var(--crm-success); }

.crm-stat-value { font-size: 1.5rem; font-weight: 700; color: var(--crm-slate-900); line-height: 1; }
.crm-stat-label { font-size: .8rem; color: var(--crm-slate-400); margin-top: .2rem; }

/* ── Table ──────────────────────────────────────────────────*/
.crm-table thead th {
  font-size: .75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; color: var(--crm-slate-400);
  background: var(--crm-slate-50);
  border-bottom: 1px solid var(--crm-border);
  padding: .75rem 1rem; white-space: nowrap;
}
.crm-table tbody td {
  padding: .75rem 1rem; vertical-align: middle;
  border-color: var(--crm-border);
}
.crm-table tbody tr:hover { background: var(--crm-slate-50); }
.crm-table tbody tr:last-child td { border-bottom: none; }

.crm-table-avatar {
  width: 28px; height: 28px; background: var(--crm-primary-l);
  color: var(--crm-primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 700; flex-shrink: 0;
}

/* ── Badges ─────────────────────────────────────────────────*/
.crm-role-badge { font-size: .7rem; font-weight: 600; padding: .3em .65em; border-radius: 20px; }
.crm-role-admin { background: #fef3c7; color: #92400e; }
.crm-role-agent { background: var(--crm-primary-l); color: var(--crm-primary); }

.crm-action-badge {
  font-size: .7rem; font-family: var(--crm-font-mono);
  padding: .2em .55em; border-radius: 4px; display: inline-block;
}
.crm-action-success { background: #ecfdf5; color: #065f46; }
.crm-action-danger  { background: #fef2f2; color: #991b1b; }
.crm-action-info    { background: #eff6ff; color: #1e40af; }

/* ── Pagination ─────────────────────────────────────────────*/
.crm-pagination .page-link {
  color: var(--crm-slate-700); border-color: var(--crm-border);
  border-radius: var(--crm-radius-sm) !important;
  font-size: .8rem; padding: .4rem .75rem;
}
.crm-pagination .page-item.active .page-link {
  background: var(--crm-primary); border-color: var(--crm-primary);
}

/* ── Error Pages ────────────────────────────────────────────*/
.crm-error-code {
  font-size: 5rem; font-weight: 800;
  color: var(--crm-primary); line-height: 1;
  letter-spacing: -.04em;
}

/* ── Empty State ────────────────────────────────────────────*/
.crm-empty-icon { font-size: 3rem; color: var(--crm-slate-200); }

/* ── Mobile ─────────────────────────────────────────────────*/
.crm-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.5); z-index: 150;
}

@media (max-width: 767.98px) {
  .crm-sidebar {
    transform: translateX(calc(-1 * var(--crm-sidebar-width)));
  }
  .crm-sidebar.open {
    transform: translateX(0);
    box-shadow: var(--crm-shadow-lg);
  }
  .crm-main { margin-left: 0; }
  .crm-overlay.visible { display: block; }
  .crm-content { padding: 1rem; }
}

/* ── Form enhancements ──────────────────────────────────────*/
.form-label { font-size: .82rem; font-weight: 600; color: var(--crm-slate-700); margin-bottom: .35rem; }
.form-control, .form-select {
  border-color: var(--crm-border);
  font-size: .875rem;
  border-radius: var(--crm-radius-sm);
  transition: border-color .15s, box-shadow .15s;
}
.form-control:focus, .form-select:focus {
  border-color: var(--crm-primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
}
.form-text { font-size: .75rem; color: var(--crm-slate-400); }

/* ── Alerts ─────────────────────────────────────────────────*/
.alert { border-radius: var(--crm-radius-sm); font-size: .875rem; }