/* ─────────────────────────────────────────────
   MFDTools Admin Panel — Shared Styles
   ───────────────────────────────────────────── */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1E40AF;
  --primary-light: #3B82F6;
  --accent: #10B981;
  --accent-light: #34D399;
  --ink: #0F172A;
  --text: #1E293B;
  --muted: #64748B;
  --line: #E2E8F0;
  --line-soft: #F1F5F9;
  --surface: #F8FAFC;
  --bg: #FFFFFF;
  --warn: #F59E0B;
  --error: #DC2626;
  --success: #059669;
}

body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, 'Segoe UI', sans-serif;
  background: var(--surface);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

/* ── Layout ── */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar { width: 240px; background: linear-gradient(180deg, var(--ink) 0%, #1E293B 100%); color: #fff; flex-shrink: 0; padding: 24px 0; display: flex; flex-direction: column; }
.admin-main { flex: 1; padding: 32px 40px; overflow-y: auto; }

.brand-block { padding: 0 24px 20px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.brand-block img { height: 40px; }
.brand-block .badge { display: inline-block; margin-top: 6px; padding: 3px 10px; background: rgba(16,185,129,0.2); color: #34D399; border-radius: 12px; font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; font-weight: 800; }

.nav { padding: 16px 12px; flex: 1; }
.nav a { display: flex; align-items: center; gap: 12px; padding: 11px 16px; color: rgba(255,255,255,0.75); border-radius: 8px; font-size: 14px; font-weight: 600; transition: all .15s; margin-bottom: 4px; }
.nav a:hover { background: rgba(255,255,255,0.06); color: #fff; text-decoration: none; }
.nav a.active { background: rgba(30,64,175,0.25); color: #fff; }
.nav a .ic { font-size: 16px; width: 20px; text-align: center; }

.user-block { padding: 16px 24px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 12px; color: rgba(255,255,255,0.55); }
.user-block .logout { display: block; margin-top: 8px; padding: 8px 12px; background: rgba(220,38,38,0.15); border: 1px solid rgba(220,38,38,0.3); color: #FCA5A5; text-align: center; border-radius: 6px; font-size: 11px; font-weight: 700; cursor: pointer; }
.user-block .logout:hover { background: rgba(220,38,38,0.3); }

/* ── Page header ── */
.page-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.page-title { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 28px; font-weight: 800; color: var(--ink); letter-spacing: -.5px; }
.page-subtitle { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* ── Cards ── */
.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 24px; box-shadow: 0 1px 3px rgba(15,23,42,0.04); margin-bottom: 20px; }
.card h2 { font-size: 16px; font-weight: 800; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--primary); display: inline-block; padding-right: 30px; }

/* ── Stats grid ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 18px; border-left: 4px solid var(--primary); }
.stat.warn { border-left-color: var(--warn); }
.stat.success { border-left-color: var(--success); }
.stat.error { border-left-color: var(--error); }
.stat-label { font-size: 11px; color: var(--muted); font-weight: 800; letter-spacing: 1px; text-transform: uppercase; }
.stat-value { font-size: 26px; font-weight: 900; color: var(--ink); margin-top: 4px; font-family: 'Plus Jakarta Sans', sans-serif; line-height: 1.1; }
.stat-sub { font-size: 11px; color: var(--muted); margin-top: 4px; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 8px; font-weight: 700; font-size: 13px; border: none; cursor: pointer; font-family: inherit; transition: all .15s; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; box-shadow: 0 2px 8px rgba(30,64,175,.2); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(30,64,175,.3); text-decoration: none; color: #fff; }
.btn-outline { background: #fff; color: var(--ink); border: 1.5px solid var(--line); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.btn-danger { background: #fff; color: var(--error); border: 1.5px solid #FECACA; }
.btn-danger:hover { background: var(--error); color: #fff; }

/* ── Form ── */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 12px; font-weight: 800; color: var(--ink); margin-bottom: 6px; letter-spacing: 0.4px; text-transform: uppercase; }
.form-group label .opt { font-weight: 500; color: var(--muted); text-transform: none; letter-spacing: 0; font-size: 11px; margin-left: 6px; }
.form-group label .req { color: var(--error); margin-left: 2px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--line); border-radius: 8px;
  font-size: 14px; font-family: inherit; color: var(--ink); background: #fff;
  transition: all .15s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px rgba(30,64,175,0.12);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.form-help { font-size: 11.5px; color: var(--muted); margin-top: 4px; }

/* ── Tables ── */
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; padding: 10px 14px; background: var(--surface); color: var(--ink); font-size: 11px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; border-bottom: 1px solid var(--line); }
.tbl td { padding: 12px 14px; border-bottom: 1px solid var(--line-soft); }
.tbl tr:hover td { background: var(--surface); }
.tbl .right { text-align: right; }
.tbl .center { text-align: center; }
.tbl code { background: var(--ink); color: var(--accent-light); padding: 2px 6px; border-radius: 4px; font-size: 11px; font-family: monospace; }

.pill { display: inline-block; padding: 3px 10px; border-radius: 14px; font-size: 10.5px; font-weight: 800; letter-spacing: .5px; text-transform: uppercase; }
.pill-active { background: #DCFCE7; color: #166534; }
.pill-expiring { background: #FEF3C7; color: #92400E; }
.pill-expired { background: #FEE2E2; color: #991B1B; }
.pill-pending { background: #DBEAFE; color: #1E40AF; }

/* ── Empty state ── */
.empty { text-align: center; padding: 60px 20px; color: var(--muted); font-size: 14px; }
.empty .icon { font-size: 48px; margin-bottom: 12px; opacity: 0.3; }

/* ── Login page ── */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%); padding: 24px; }
.login-box { background: #fff; border-radius: 16px; padding: 48px 44px; width: 100%; max-width: 420px; box-shadow: 0 24px 60px rgba(0,0,0,0.18); }
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo img { height: 52px; }
.login-title { text-align: center; font-family: 'Plus Jakarta Sans', sans-serif; font-size: 22px; font-weight: 800; color: var(--ink); margin-bottom: 6px; }
.login-sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 32px; }

/* ── Loading spinner ── */
.spinner { width: 28px; height: 28px; border: 3px solid var(--line); border-top-color: var(--primary); border-radius: 50%; animation: spin .8s linear infinite; margin: 24px auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== PRO RESPONSIVE — TABLET 1024px ===== */
@media (max-width: 1024px) {
  .admin-main { padding: 24px 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .page-title { font-size: 22px; }
}

/* ===== PRO RESPONSIVE — TABLET 768px ===== */
@media (max-width: 768px) {
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; padding: 14px 16px; min-height: auto; position: sticky; top: 0; z-index: 50; }
  .admin-sidebar .nav { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; margin: 10px -16px 0; padding-left: 16px; padding-right: 16px; }
  .admin-sidebar .nav a { flex: 0 0 auto; padding: 8px 14px; font-size: 12.5px; white-space: nowrap; }
  .admin-sidebar .user-block { margin-top: 0; padding-top: 12px; }
  .brand-block { display: flex; align-items: center; justify-content: space-between; }
  .admin-main { padding: 18px 14px; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .page-title { font-size: 20px; }
  .page-subtitle { font-size: 12.5px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat { padding: 14px; }
  .stat-value { font-size: 22px; }
  .stat-label { font-size: 11px; }
  .card { padding: 18px 16px; border-radius: 10px; }
  .card h2 { font-size: 16px; }
  .form-row, .form-row3 { grid-template-columns: 1fr; gap: 12px; }
  .form-group input, .form-group select, .form-group textarea { font-size: 15px; padding: 11px 13px; }
  .btn { padding: 11px 16px; font-size: 13px; min-height: 44px; }
  .tbl { font-size: 12.5px; }
  .tbl th, .tbl td { padding: 8px 10px; }
  .tbl th { font-size: 10.5px; }
  .pill { font-size: 10.5px; padding: 3px 8px; }
  .toolbar { flex-direction: column; align-items: stretch; gap: 8px; }
  .toolbar input { width: 100%; }
  .filter-pills { width: 100%; overflow-x: auto; }
  .login-box { padding: 32px 24px; border-radius: 12px; }
}

/* ===== PRO RESPONSIVE — MOBILE 480px ===== */
@media (max-width: 480px) {
  .admin-main { padding: 14px 10px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat { padding: 12px 14px; }
  .stat-value { font-size: 19px; }
  .card { padding: 14px 12px; }
  .card h2 { font-size: 14.5px; }
  .page-title { font-size: 18px; }
  .form-group label { font-size: 12px; }
  .tbl { font-size: 11.5px; }
  .tbl th, .tbl td { padding: 7px 6px; }
  .tbl th { font-size: 10px; }
  .login-box { padding: 26px 18px; }
  .login-title { font-size: 19px; }
}

/* ===== TOUCH-DEVICE TAP TARGETS ===== */
@media (hover:none) and (pointer:coarse) {
  .btn { min-height: 44px; }
  .form-group input, .form-group select { min-height: 44px; }
  .tbl a, .tbl button { min-height: 36px; display: inline-flex; align-items: center; }
}

/* iOS input zoom fix */
@supports (-webkit-touch-callout:none) {
  input[type=text], input[type=email], input[type=password], input[type=number], input[type=tel], input[type=search], textarea, select {
    font-size: 16px !important;
  }
}