/* Mega Minds CRM — Stylesheet */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --brand:       #1a56db;
  --brand-light: #e8f0fe;
  --brand-dark:  #1241aa;
  --success:     #0d9488;
  --success-bg:  #f0fdfa;
  --warning:     #d97706;
  --warning-bg:  #fffbeb;
  --danger:      #dc2626;
  --danger-bg:   #fef2f2;
  --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;
  --sidebar-w:   240px;
  --radius:      8px;
  --radius-lg:   12px;
}

body { font-family: 'Inter', sans-serif; font-size: 14px; color: var(--gray-800); background: var(--gray-50); display: flex; min-height: 100vh; }

/* ── Sidebar ── */
.sidebar { width: var(--sidebar-w); background: #fff; border-right: 1px solid var(--gray-200); display: flex; flex-direction: column; position: fixed; top: 0; left: 0; height: 100vh; z-index: 100; }
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 20px 16px; border-bottom: 1px solid var(--gray-100); }
.brand-icon { width: 36px; height: 36px; background: var(--brand); color: #fff; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 18px; flex-shrink: 0; }
.brand-name { font-weight: 600; font-size: 14px; color: var(--gray-900); line-height: 1.2; }
.brand-sub { font-size: 11px; color: var(--gray-400); letter-spacing: .05em; text-transform: uppercase; }
.nav-links { list-style: none; padding: 12px 8px; flex: 1; overflow-y: auto; }
.nav-section { font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--gray-400); padding: 16px 8px 4px; font-weight: 600; }
.nav-link { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: var(--radius); color: var(--gray-600); text-decoration: none; font-size: 13.5px; font-weight: 500; transition: background .12s, color .12s; }
.nav-link:hover { background: var(--gray-50); color: var(--gray-900); }
.nav-link.active { background: var(--brand-light); color: var(--brand); }
.sidebar-footer { padding: 12px 8px; border-top: 1px solid var(--gray-100); display: flex; align-items: center; gap: 8px; }
.user-info { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.user-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--brand-light); color: var(--brand); display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 13px; flex-shrink: 0; }
.user-name { font-size: 13px; font-weight: 500; color: var(--gray-800); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: var(--gray-400); }
.btn-logout { display: flex; align-items: center; padding: 6px; border-radius: var(--radius); color: var(--gray-400); text-decoration: none; border: 1px solid var(--gray-200); transition: all .12s; }
.btn-logout:hover { color: var(--danger); border-color: var(--danger); background: var(--danger-bg); }

/* ── Main layout ── */
.main-content { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; min-height: 100vh; }
.top-bar { background: #fff; border-bottom: 1px solid var(--gray-200); padding: 0 24px; height: 56px; display: flex; align-items: center; position: sticky; top: 0; z-index: 50; }
.page-title { font-size: 16px; font-weight: 600; color: var(--gray-900); }
.content-body { padding: 24px; flex: 1; }

/* ── Cards ── */
.card { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 20px 24px; }
.card-sm { padding: 16px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 18px 20px; }
.stat-label { font-size: 12px; color: var(--gray-500); font-weight: 500; margin-bottom: 6px; }
.stat-value { font-size: 28px; font-weight: 600; color: var(--gray-900); }
.stat-sub { font-size: 12px; color: var(--gray-400); margin-top: 2px; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: var(--radius); font-size: 13.5px; font-weight: 500; cursor: pointer; text-decoration: none; border: 1px solid transparent; transition: all .12s; line-height: 1; }
.btn-primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn-primary:hover { background: var(--brand-dark); }
.btn-secondary { background: #fff; color: var(--gray-700); border-color: var(--gray-300); }
.btn-secondary:hover { background: var(--gray-50); }
.btn-danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-bg); }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-sm { padding: 5px 10px; font-size: 12.5px; }
.btn-icon { padding: 6px; border-radius: var(--radius); }

/* ── Badges ── */
.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 11.5px; font-weight: 500; }
.badge-new { background: var(--brand-light); color: var(--brand); }
.badge-contacted { background: var(--warning-bg); color: var(--warning); }
.badge-enrolled { background: var(--success-bg); color: var(--success); }
.badge-lost { background: var(--danger-bg); color: var(--danger); }
.badge-follow { background: #f3e8ff; color: #7c3aed; }

/* ── Table ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--gray-200); }
table { width: 100%; border-collapse: collapse; }
thead tr { background: var(--gray-50); }
th { padding: 10px 14px; font-size: 12px; font-weight: 600; color: var(--gray-500); text-align: left; text-transform: uppercase; letter-spacing: .04em; border-bottom: 1px solid var(--gray-200); white-space: nowrap; }
td { padding: 12px 14px; font-size: 13.5px; color: var(--gray-700); border-bottom: 1px solid var(--gray-100); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--gray-50); }

/* ── Forms ── */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1 / -1; }
label { font-size: 12.5px; font-weight: 500; color: var(--gray-700); }
label .req { color: var(--danger); margin-left: 2px; }
input, select, textarea {
  padding: 8px 11px; border: 1px solid var(--gray-300); border-radius: var(--radius);
  font-size: 13.5px; color: var(--gray-800); font-family: inherit;
  background: #fff; transition: border-color .12s, box-shadow .12s; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(26,86,219,.1); }
input[type="file"] { padding: 6px; }
textarea { resize: vertical; min-height: 80px; }
.form-section { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 20px 24px; margin-bottom: 16px; }
.form-section-title { font-size: 13.5px; font-weight: 600; color: var(--gray-800); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--gray-100); display: flex; align-items: center; gap: 8px; }
.form-section-title span.num { background: var(--brand); color: #fff; width: 22px; height: 22px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; }

/* checkbox group */
.check-group { display: flex; flex-wrap: wrap; gap: 8px; }
.check-item { display: flex; align-items: center; gap: 6px; padding: 6px 10px; border: 1px solid var(--gray-200); border-radius: var(--radius); cursor: pointer; transition: border-color .1s, background .1s; }
.check-item:hover { border-color: var(--brand); background: var(--brand-light); }
.check-item input[type=checkbox], .check-item input[type=radio] { width: auto; cursor: pointer; }
.check-item span { font-size: 13px; color: var(--gray-700); }
.other-input { margin-top: 8px; display: none; }
.other-input.visible { display: block; }

/* ── Upload zone ── */
.upload-zone { border: 2px dashed var(--gray-300); border-radius: var(--radius-lg); padding: 20px; text-align: center; cursor: pointer; transition: all .15s; }
.upload-zone:hover, .upload-zone.dragover { border-color: var(--brand); background: var(--brand-light); }
.upload-zone p { font-size: 13px; color: var(--gray-500); margin-top: 6px; }
.upload-list { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.upload-item { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius); }
.upload-item a { color: var(--brand); font-size: 13px; text-decoration: none; }
.upload-item a:hover { text-decoration: underline; }

/* ── Alerts ── */
.alert { padding: 10px 14px; border-radius: var(--radius); font-size: 13.5px; margin-bottom: 16px; }
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid #99f6e4; }
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid #fca5a5; }
.alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid #fcd34d; }

/* ── Search/Filter bar ── */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; align-items: center; }
.search-input { flex: 1; min-width: 180px; max-width: 320px; }
.filter-bar select { width: auto; }

/* ── Login page ── */
.login-page { min-height: 100vh; background: var(--gray-50); display: flex; align-items: center; justify-content: center; }
.login-card { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 36px 32px; width: 360px; max-width: 95vw; }
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo .brand-icon { width: 48px; height: 48px; font-size: 24px; margin: 0 auto 10px; }
.login-logo h2 { font-size: 18px; font-weight: 600; color: var(--gray-900); }
.login-logo p { font-size: 13px; color: var(--gray-400); margin-top: 2px; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .content-body { padding: 16px; }
  .form-grid { grid-template-columns: 1fr; }
}

/* ── Misc ── */
.flex-between { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.text-muted { color: var(--gray-400); }
.text-sm { font-size: 12px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--gray-200); border-top-color: var(--brand); border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-row td { text-align: center; padding: 32px; color: var(--gray-400); }
.empty-row td { text-align: center; padding: 48px 24px; color: var(--gray-400); }