/* ================================================================
   KME Smart — Shared Design System v2
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --brand:      #E05708;
  --brand-h:    #c94e07;
  --brand-dim:  rgba(224,87,8,0.15);
  --bg:         #0b0c0f;
  --surface:    #13141a;
  --surface2:   #1c1e28;
  --border:     rgba(255,255,255,0.07);
  --border2:    rgba(255,255,255,0.13);
  --text:       #e2e4ed;
  --text2:      #9496a8;
  --text3:      #52546a;
  --success:    #22c55e;
  --danger:     #ef4444;
  --warning:    #f59e0b;
  --info:       #3b82f6;
  --radius:     10px;
  --radius-lg:  16px;
  --radius-xl:  20px;
  --shadow:     0 8px 32px rgba(0,0,0,0.5);
  --font:       'Inter', system-ui, sans-serif;
  --mono:       'JetBrains Mono', monospace;
}

/* ── Reset ── */
*, *::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;
  -webkit-font-smoothing: antialiased;
}

/* ── Sidebar layout ── */
.layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 22px 20px 18px;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo-icon {
  width: 34px; height: 34px;
  background: var(--brand);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: #fff;
  flex-shrink: 0;
}
.sidebar-logo-text {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.3px;
}
.sidebar-logo-text span { color: var(--brand); }

.sidebar-section {
  padding: 20px 12px 8px;
}
.sidebar-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text3);
  padding: 0 8px;
  margin-bottom: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius);
  color: var(--text2);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: background .15s, color .15s;
  cursor: pointer;
}
.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active {
  background: var(--brand-dim);
  color: var(--brand);
}
.nav-item i { width: 18px; text-align: center; font-size: 13px; }

.sidebar-bottom {
  margin-top: auto;
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

/* ── Main content ── */
.main {
  margin-left: 240px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Topbar ── */
.topbar {
  height: 58px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.topbar-right {
  display: flex; align-items: center; gap: 12px;
}

/* ── Page content ── */
.page-content {
  padding: 28px;
  flex: 1;
}

/* ── Page header ── */
.page-header {
  margin-bottom: 24px;
}
.page-header h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.page-header p {
  color: var(--text2);
  font-size: 13.5px;
}

/* ── Stat cards ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.stat-card-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .8px;
  margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px;
}
.stat-card-label i { color: var(--brand); }
.stat-card-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  font-family: var(--mono);
}
.stat-card-sub { font-size: 12px; color: var(--text3); margin-top: 4px; }

/* ── Cards / panels ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-header-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.card-header-title i { color: var(--brand); }
.card-body { padding: 20px; }

/* ── Toolbar (search + actions) ── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

/* ── Search input ── */
.search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 340px;
}
.search-wrap i {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  font-size: 13px;
}
.search-input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 9px 12px 9px 34px;
  font-size: 13.5px;
  font-family: var(--font);
  color: var(--text);
  outline: none;
  transition: border-color .2s;
}
.search-input:focus { border-color: rgba(224,87,8,.5); }
.search-input::placeholder { color: var(--text3); }

/* ── Form inputs ── */
.form-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
}
.form-group { display: flex; flex-direction: column; gap: 5px; flex: 1; min-width: 140px; }
.form-label { font-size: 11.5px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: .5px; }

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="file"],
textarea,
select {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 9px 12px;
  font-size: 13.5px;
  font-family: var(--font);
  color: var(--text);
  outline: none;
  width: 100%;
  transition: border-color .2s;
}
input:focus, textarea:focus, select:focus { border-color: rgba(224,87,8,.5); }
input::placeholder, textarea::placeholder { color: var(--text3); }
select option { background: var(--surface2); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: var(--radius);
  font-size: 13.5px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background .15s, opacity .15s, transform .1s;
  white-space: nowrap;
  line-height: 1;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-h); }

.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border2); }
.btn-secondary:hover { border-color: rgba(224,87,8,.4); color: var(--brand); }

.btn-danger { background: rgba(239,68,68,.15); color: var(--danger); border: 1px solid rgba(239,68,68,.25); }
.btn-danger:hover { background: rgba(239,68,68,.25); }

.btn-success { background: rgba(34,197,94,.12); color: var(--success); border: 1px solid rgba(34,197,94,.25); }
.btn-success:hover { background: rgba(34,197,94,.22); }

.btn-warning { background: rgba(245,158,11,.12); color: var(--warning); border: 1px solid rgba(245,158,11,.25); }
.btn-warning:hover { background: rgba(245,158,11,.22); }

.btn-sm { padding: 6px 11px; font-size: 12px; }
.btn-icon { padding: 8px; border-radius: 8px; }

/* ── Table ── */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
}
thead th {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .7px;
  color: var(--text3);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
  background: var(--surface);
}
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .12s;
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,.025); }
tbody td {
  padding: 12px 14px;
  color: var(--text);
  font-size: 13.5px;
  vertical-align: middle;
}
.td-mono { font-family: var(--mono); font-size: 12px; color: var(--text2); }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
}
.badge-success { background: rgba(34,197,94,.12); color: var(--success); }
.badge-danger  { background: rgba(239,68,68,.12); color: var(--danger); }
.badge-warning { background: rgba(245,158,11,.12); color: var(--warning); }
.badge-info    { background: rgba(59,130,246,.12); color: var(--info); }
.badge-neutral { background: var(--surface2); color: var(--text2); }

/* Status dot */
.dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.dot-on  { background: var(--success); box-shadow: 0 0 6px rgba(34,197,94,.6); }
.dot-off { background: var(--danger); box-shadow: 0 0 6px rgba(239,68,68,.5); }
.dot-warn{ background: var(--warning); animation: blink 1.2s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.page-btn {
  min-width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text2);
  cursor: pointer;
  font-family: var(--font);
  transition: all .15s;
  padding: 0 8px;
}
.page-btn:hover { background: var(--surface2); color: var(--text); }
.page-btn.active { background: var(--brand); color: #fff; border-color: var(--brand); }
.page-btn:disabled { opacity:.4; cursor:not-allowed; }
.page-info { font-size: 12.5px; color: var(--text3); margin-left: auto; }

/* ── Alert / Toast ── */
.toast-container {
  position: fixed;
  top: 20px; right: 20px;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 10px;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 12px 16px;
  min-width: 260px;
  box-shadow: var(--shadow);
  animation: slideIn .2s ease;
}
@keyframes slideIn { from { opacity:0; transform: translateX(20px); } to { opacity:1; transform: translateX(0); } }
.toast i { font-size: 15px; }
.toast.success { border-color: rgba(34,197,94,.3); }
.toast.success i { color: var(--success); }
.toast.error   { border-color: rgba(239,68,68,.3); }
.toast.error i { color: var(--danger); }
.toast.warning { border-color: rgba(245,158,11,.3); }
.toast.warning i { color: var(--warning); }
.toast-text { font-size: 13.5px; color: var(--text); }

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text3);
}
.empty-state i { font-size: 36px; margin-bottom: 12px; display: block; }
.empty-state p { font-size: 14px; }

/* ── Loading spinner ── */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border2);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Status bar ── */
.status-bar {
  display: flex; gap: 10px; flex-wrap: wrap;
  padding: 10px 20px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}
.status-pill {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text2);
}

/* ── Confirm modal ── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .2s;
}
.modal-backdrop.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius-xl);
  padding: 28px;
  width: 100%; max-width: 400px;
  box-shadow: var(--shadow);
  transform: scale(.95);
  transition: transform .2s;
}
.modal-backdrop.open .modal { transform: scale(1); }
.modal h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.modal p  { font-size: 13.5px; color: var(--text2); margin-bottom: 22px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ── Sign out button ── */
.btn-signout {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text2);
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-family: var(--font);
  font-weight: 500;
  cursor: pointer;
  transition: border-color .2s, color .2s;
  display: flex; align-items: center; gap: 7px;
}
.btn-signout:hover { border-color: var(--danger); color: var(--danger); }

/* ── Log viewer ── */
.log-viewer {
  background: #08090c;
  border-radius: var(--radius);
  overflow-y: auto;
  height: 60vh;
  padding: 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
}
.log-line-info  { color: #a8b4c8; }
.log-line-error { color: #f87171; }
.log-line-warn  { color: #fbbf24; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface2); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform .25s; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .page-content { padding: 16px; }
  .topbar { padding: 0 16px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}