/* assets/css/admin.css */
:root {
  --bg:       #0f1117;
  --bg2:      #161b27;
  --bg3:      #1e2536;
  --border:   #2a3347;
  --text:     #e2e8f0;
  --text2:    #94a3b8;
  --text3:    #64748b;
  --primary:  #3b82f6;
  --primary-d:#2563eb;
  --green:    #22c55e;
  --green-d:  #16a34a;
  --red:      #ef4444;
  --yellow:   #f59e0b;
  --orange:   #f97316;
  --purple:   #a855f7;
  --radius:   10px;
  --shadow:   0 4px 24px rgba(0,0,0,.4);
  --font:     'IBM Plex Sans Thai', system-ui, sans-serif;
  --mono:     'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ─── Navbar ─────────────────────────────────────────────── */
.navbar {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  height: 58px;
  position: sticky; top: 0; z-index: 100;
}

.navbar-brand {
  display: flex; align-items: center; gap: .5rem;
  font-size: 1.1rem; font-weight: 700;
  margin-right: 2rem; white-space: nowrap;
}
.brand-icon  { font-size: 1.3rem; }
.brand-accent{ color: var(--primary); }

.navbar-menu {
  display: flex; list-style: none; gap: .25rem; flex: 1;
}

.nav-link {
  display: flex; align-items: center; gap: .4rem;
  padding: .45rem .85rem;
  border-radius: 7px;
  color: var(--text2);
  text-decoration: none;
  transition: background .15s, color .15s;
  font-size: .85rem;
}
.nav-link:hover  { background: var(--bg3); color: var(--text); }
.nav-link.active { background: var(--primary); color: #fff; }
.nav-icon { font-size: 1rem; }

.navbar-end {
  display: flex; align-items: center; gap: 1rem;
}
.user-badge { display: flex; align-items: center; gap: .5rem; }
.user-role-pill {
  font-size: .65rem; font-weight: 700; padding: .15rem .5rem;
  border-radius: 4px; text-transform: uppercase; letter-spacing: .05em;
  background: var(--bg3); color: var(--text2);
}
.user-role-pill.superadmin { background: var(--purple); color: #fff; }
.user-role-pill.admin      { background: var(--primary); color: #fff; }
.user-role-pill.scanner    { background: var(--green); color: #fff; }

.btn-logout {
  font-size: .8rem; color: var(--text3); text-decoration: none; padding: .3rem .6rem;
  border: 1px solid var(--border); border-radius: 6px;
  transition: all .15s;
}
.btn-logout:hover { border-color: var(--red); color: var(--red); }

/* ─── Main ───────────────────────────────────────────────── */
.main-content { padding: 1.5rem 2rem; max-width: 1400px; margin: 0 auto; }

/* ─── Page header ────────────────────────────────────────── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem; flex-wrap: wrap; gap: .75rem;
}
.page-title { font-size: 1.35rem; font-weight: 700; }
.header-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem 1rem; border-radius: var(--radius);
  font-family: var(--font); font-size: .85rem; font-weight: 500;
  cursor: pointer; border: 1px solid transparent;
  transition: all .15s; text-decoration: none; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-d); }
.btn-success { background: var(--green); color: #fff; }
.btn-success:hover { background: var(--green-d); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text2); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger  { background: transparent; border-color: transparent; color: var(--red); }
.btn-danger:hover { background: rgba(239,68,68,.1); }
.btn-sm  { padding: .35rem .7rem; font-size: .8rem; }
.btn-xs  { padding: .2rem .5rem; font-size: .75rem; border-radius: 5px; }
.btn-lg  { padding: .75rem 1.5rem; font-size: 1rem; }
.ml-2 { margin-left: .5rem; }

/* ─── Cards ─────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: .75rem;
}
.card-title { font-weight: 600; font-size: .95rem; }
.card-body  { padding: 1.25rem; }
.mt-3 { margin-top: .75rem; }
.mt-4 { margin-top: 1.25rem; }

/* ─── KPI Grid ───────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.kpi-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex; flex-direction: column; gap: .25rem;
  position: relative; overflow: hidden;
}
.kpi-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--primary);
}
.kpi-card.kpi-green::before { background: var(--green); }
.kpi-card.kpi-blue::before  { background: #38bdf8; }
.kpi-card.kpi-purple::before{ background: var(--purple); }

.kpi-icon  { font-size: 1.5rem; }
.kpi-value { font-size: 2rem; font-weight: 800; font-family: var(--mono); line-height: 1; }
.kpi-label { font-size: .8rem; color: var(--text2); }

/* Skeleton */
.skeleton {
  background: var(--bg3);
  border-color: var(--bg3);
  animation: pulse 1.5s infinite;
  min-height: 110px;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.5} }

/* ─── Progress bars ──────────────────────────────────────── */
.cp-row {
  display: grid;
  grid-template-columns: 220px 1fr 130px;
  align-items: center; gap: .75rem;
  padding: .6rem 0;
  border-bottom: 1px solid var(--border);
}
.cp-row:last-child { border-bottom: none; }
.cp-name   { font-size: .85rem; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cp-bar-wrap { background: var(--bg3); border-radius: 99px; height: 10px; overflow: hidden; }
.cp-bar    { height: 100%; background: var(--primary); border-radius: 99px; transition: width .5s ease; }
.cp-stats  { display: flex; justify-content: space-between; font-size: .8rem; }
.cp-count  { color: var(--text2); }
.cp-pct    { font-weight: 600; font-family: var(--mono); color: var(--primary); }
.text-green { color: var(--green) !important; }

/* ─── Tables ─────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.data-table {
  width: 100%; border-collapse: collapse; font-size: .85rem;
}
.data-table th {
  padding: .65rem 1rem;
  background: var(--bg3); color: var(--text2);
  font-weight: 600; font-size: .78rem; text-transform: uppercase;
  letter-spacing: .04em; text-align: left;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: .65rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tbody tr:hover { background: rgba(59,130,246,.05); }
.data-table tbody tr:last-child td { border-bottom: none; }

.table-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1rem;
  border-top: 1px solid var(--border);
  gap: .4rem; flex-wrap: wrap;
}

/* ─── Forms ─────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: .35rem; }
.form-label { font-size: .8rem; font-weight: 600; color: var(--text2); }
.form-input {
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--text); border-radius: 7px;
  padding: .55rem .85rem; font-family: var(--font); font-size: .875rem;
  transition: border-color .15s;
  outline: none; width: 100%;
}
.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,130,246,.15); }
textarea.form-input { resize: vertical; }
select.form-input { cursor: pointer; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.span-2 { grid-column: span 2; }

/* ─── Badges ─────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: .15rem .5rem; border-radius: 5px;
  font-size: .72rem; font-weight: 600;
}
.badge-success  { background: rgba(34,197,94,.15);  color: var(--green); }
.badge-warning  { background: rgba(245,158,11,.15); color: var(--yellow); }
.badge-danger   { background: rgba(239,68,68,.15);  color: var(--red); }
.badge-orange   { background: rgba(249,115,22,.15); color: var(--orange); }
.badge-primary  { background: rgba(59,130,246,.15); color: var(--primary); }
.badge-muted    { background: var(--bg3); color: var(--text3); }
.badge-live     { background: var(--green); color: #fff; animation: blink 1.5s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.5} }

/* ─── Modal ─────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,.7); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 12px; width: 100%; max-width: 560px;
  box-shadow: var(--shadow); max-height: 90vh; overflow-y: auto;
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1rem; font-weight: 700; }
.modal-close {
  background: none; border: none; color: var(--text3); cursor: pointer;
  font-size: 1.1rem; padding: .2rem .4rem; border-radius: 5px;
  transition: color .15s;
}
.modal-close:hover { color: var(--red); }
.modal-body   { padding: 1.25rem; }
.modal-footer { display: flex; justify-content: flex-end; gap: .5rem; padding: 1rem 1.25rem; border-top: 1px solid var(--border); }
form .form-group + .form-group,
form .form-grid { margin-top: .75rem; }
form .modal-footer { margin-top: 0; }

/* ─── Alerts ─────────────────────────────────────────────── */
.alert {
  padding: .75rem 1rem; border-radius: 8px; font-size: .85rem;
  display: flex; align-items: center; gap: .5rem;
}
.alert-error   { background: rgba(239,68,68,.12); color: var(--red); border: 1px solid rgba(239,68,68,.3); }
.alert-success { background: rgba(34,197,94,.12);  color: var(--green); border: 1px solid rgba(34,197,94,.3); }
.alert-warning { background: rgba(245,158,11,.12); color: var(--yellow); border: 1px solid rgba(245,158,11,.3); }

/* ─── Search & Filter ────────────────────────────────────── */
.search-bar, .filter-bar {
  display: flex; gap: .5rem; flex-wrap: wrap; align-items: center;
}
.search-bar .form-input { max-width: 360px; }

/* ─── Dropzone ───────────────────────────────────────────── */
.dropzone {
  border: 2px dashed var(--border); border-radius: 10px;
  padding: 2rem; text-align: center; cursor: pointer;
  transition: border-color .15s;
}
.dropzone:hover { border-color: var(--primary); }
.dz-icon { font-size: 2rem; }
.dz-text { color: var(--text2); font-size: .9rem; margin-top: .5rem; }

/* ─── Progress mini ──────────────────────────────────────── */
.progress-mini {
  display: inline-block; width: 60px; height: 6px;
  background: var(--bg3); border-radius: 99px; overflow: hidden;
  vertical-align: middle; margin-right: .4rem;
}
.progress-mini-bar { display: block; height: 100%; background: var(--primary); border-radius: 99px; }

/* ─── Helpers ────────────────────────────────────────────── */
.text-muted   { color: var(--text2); }
.text-center  { text-align: center; }
.small        { font-size: .78rem; }
.mono         { font-family: var(--mono); }
.font-medium  { font-weight: 600; }
.loading-state{ color: var(--text3); text-align: center; padding: 2rem; }

/* ─── Toast ─────────────────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 9999;
  display: flex; flex-direction: column; gap: .5rem;
}
.toast {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 8px; padding: .75rem 1rem;
  font-size: .85rem; display: flex; align-items: center; gap: .5rem;
  box-shadow: var(--shadow); animation: slideIn .2s ease;
  min-width: 200px;
}
.toast.success { border-left: 3px solid var(--green); }
.toast.warning { border-left: 3px solid var(--yellow); }
.toast.error   { border-left: 3px solid var(--red); }
@keyframes slideIn { from{transform:translateX(30px);opacity:0} to{transform:none;opacity:1} }

/* ─── Login ──────────────────────────────────────────────── */
.login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: var(--bg);
  background-image: radial-gradient(ellipse at 20% 50%, rgba(59,130,246,.08) 0%, transparent 60%),
                    radial-gradient(ellipse at 80% 20%, rgba(168,85,247,.05) 0%, transparent 50%);
}
.login-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 16px; padding: 2.5rem; width: 100%; max-width: 400px;
  box-shadow: var(--shadow);
}
.login-logo { text-align: center; margin-bottom: 2rem; }
.login-icon { font-size: 3rem; }
.login-title { font-size: 1.5rem; font-weight: 800; margin-top: .5rem; }
.login-sub   { color: var(--text2); font-size: .9rem; }

.login-form .form-group + .form-group { margin-top: .75rem; }
.btn-login {
  width: 100%; margin-top: 1.25rem; padding: .75rem;
  background: var(--primary); color: #fff; border: none;
  border-radius: 9px; font-family: var(--font); font-size: 1rem; font-weight: 600;
  cursor: pointer; transition: background .15s;
}
.btn-login:hover { background: var(--primary-d); }
.login-footer { text-align: center; margin-top: 1.5rem; }
.login-footer a { color: var(--text3); font-size: .85rem; text-decoration: none; }
.login-footer a:hover { color: var(--primary); }
.input-icon-wrap { position: relative; }
.toggle-pw {
  position: absolute; right: .75rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; font-size: 1rem; padding: 0;
}

/* ─── Scanner ────────────────────────────────────────────── */
.scanner-page { min-height: calc(100vh - 58px); }
.scanner-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; flex-wrap: wrap; gap: .75rem; }
.scanner-controls { display: flex; gap: .5rem; align-items: center; }

.mode-tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--border); margin-bottom: 1rem; }
.mode-tab {
  padding: .55rem 1.2rem; background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--text2); font-family: var(--font); font-size: .9rem; cursor: pointer;
  transition: all .15s; margin-bottom: -1px;
}
.mode-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.scanner-body { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }

.scan-panel { display: flex; flex-direction: column; align-items: center; }

.qr-reader-box {
  width: 100%; max-width: 400px; aspect-ratio: 1;
  background: var(--bg3); border-radius: 12px; overflow: hidden;
}

.cam-hint { color: var(--text2); font-size: .85rem; margin-top: .75rem; }

.usb-hint { text-align: center; margin-bottom: 1rem; }
.usb-icon { font-size: 3rem; margin-bottom: .5rem; }
.usb-input-wrap { width: 100%; }
.usb-input {
  width: 100%; padding: 1rem; font-size: 1rem; font-family: var(--mono);
  background: var(--bg3); border: 2px solid var(--primary);
  color: var(--text); border-radius: 10px;
  text-align: center; letter-spacing: .05em;
}
.usb-input:focus { outline: none; box-shadow: 0 0 0 4px rgba(59,130,246,.2); }

/* Scan Result */
.scan-result {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 16px; padding: 2rem; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  align-self: start; opacity: 0; transform: scale(.95); transition: all .25s;
}
.scan-result.show { opacity: 1; transform: none; }
.scan-result.result-success  { border-color: var(--green);  background: rgba(34,197,94,.05); }
.scan-result.result-duplicate{ border-color: var(--yellow); background: rgba(245,158,11,.05); }
.scan-result.result-invalid,
.scan-result.result-error    { border-color: var(--red);    background: rgba(239,68,68,.05); }
.scan-result.result-expired  { border-color: var(--orange); background: rgba(249,115,22,.05); }

.result-icon { font-size: 3.5rem; }
.result-name { font-size: 1.4rem; font-weight: 700; }
.result-code { font-family: var(--mono); color: var(--text2); font-size: .9rem; }
.result-cp   { color: var(--primary); font-size: .9rem; }
.result-msg  { color: var(--text2); font-size: .85rem; }
.result-time { color: var(--text3); font-size: .78rem; }

/* Session log */
.session-log { margin-top: 1.5rem; }
.session-log-title { font-size: .9rem; font-weight: 600; margin-bottom: .5rem; display: flex; align-items: center; gap: .5rem; }
.session-log-list  { display: flex; flex-direction: column; gap: .25rem; max-height: 250px; overflow-y: auto; }
.log-row {
  display: flex; align-items: center; gap: .75rem;
  padding: .4rem .75rem; background: var(--bg2); border-radius: 7px;
  border: 1px solid var(--border); font-size: .8rem; flex-wrap: wrap;
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .scanner-body { grid-template-columns: 1fr; }
  .navbar-menu .nav-label { display: none; }
  .cp-row { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
}
@media (max-width: 600px) {
  .main-content { padding: 1rem; }
  .navbar { padding: 0 1rem; }
  .navbar-brand { margin-right: .75rem; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
}