/* ===================================================================
   sjzfx UI — light theme
   =================================================================== */

:root {
  --bg:           #f5f7fb;
  --bg-elev:      #ffffff;
  --bg-elev-2:   #f1f3f9;
  --border:      #e3e7ef;
  --border-soft: #d6dce7;

  --text:        #0f172a;
  --text-muted:  #64748b;
  --text-dim:    #94a3b8;

  --accent:      #6366f1;          /* indigo-500 */
  --accent-hi:   #4f46e5;          /* indigo-600 */
  --accent-lo:   #818cf8;          /* indigo-400 */
  --accent-soft: #eef2ff;          /* indigo-50 */
  --accent-glow: rgba(99, 102, 241, 0.25);

  --success:     #10b981;
  --success-soft:#ecfdf5;
  --warn:        #f59e0b;
  --warn-soft:   #fffbeb;
  --danger:      #ef4444;
  --danger-soft: #fef2f2;
  --info:        #3b82f6;
  --info-soft:   #eff6ff;

  --radius:      8px;
  --radius-lg:   14px;
  --shadow-xs:   0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm:   0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow:      0 4px 12px rgba(15, 23, 42, 0.08), 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-lg:   0 20px 40px rgba(15, 23, 42, 0.15), 0 8px 16px rgba(15, 23, 42, 0.08);
  --t-fast:      120ms cubic-bezier(0.4, 0, 0.2, 1);
  --t:           180ms cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Microsoft Yahei", sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(129, 140, 248, 0.1) 0%, transparent 35%),
    radial-gradient(circle at 88% 92%, rgba(168, 85, 247, 0.07) 0%, transparent 40%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-hi);
  text-decoration: none;
  transition: color var(--t-fast);
}
a:hover { color: var(--accent); text-decoration: underline; }

/* ─── Buttons ─────────────────────────────────────────────────────── */
button, .btn {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-hi) 100%);
  color: #fff;
  border: 0;
  padding: 8px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.2px;
  transition: all var(--t-fast);
  box-shadow: var(--shadow-xs);
}
button:hover, .btn:hover {
  box-shadow: 0 4px 12px var(--accent-glow);
  transform: translateY(-1px);
  filter: brightness(1.05);
}
button:active, .btn:active { transform: translateY(0); box-shadow: var(--shadow-xs); }

button.ghost, .btn.ghost {
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}
button.ghost:hover, .btn.ghost:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-hi);
  filter: none;
}

button.danger, .btn.danger {
  background: linear-gradient(180deg, #f87171 0%, var(--danger) 100%);
}
button.danger:hover, .btn.danger:hover {
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

button:disabled, .btn:disabled {
  background: var(--bg-elev-2);
  color: var(--text-dim);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
  filter: none;
}

/* ─── Inputs / Selects ────────────────────────────────────────────── */
input, select, textarea {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  font-family: inherit;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  width: 100%;
  max-width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
input::placeholder { color: var(--text-dim); }

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8.5L1.5 4h9z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ─── Card ────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--t);
}

/* ─── Topbar ──────────────────────────────────────────────────────── */
.topbar {
  padding: 14px 28px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: var(--shadow-xs);
}
.topbar h1 {
  font-size: 18px;
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent-hi) 0%, #7c3aed 60%, #a855f7 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.topbar h1::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, #a855f7 100%);
  box-shadow: 0 0 12px var(--accent-glow);
  -webkit-text-fill-color: initial;
  flex-shrink: 0;
}

/* ─── Container ───────────────────────────────────────────────────── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 24px;
}

.row { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; }
.row > * { flex: 1; min-width: 140px; }

/* ─── Tables ──────────────────────────────────────────────────────── */
.card table { margin: -4px -4px; width: calc(100% + 8px); }
table { width: 100%; border-collapse: separate; border-spacing: 0; }
th, td {
  text-align: left;
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: middle;
}
th {
  color: var(--text-muted);
  font-weight: 600;
  background: var(--bg-elev-2);
  font-size: 11.5px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  position: sticky;
  top: 0;
}
th:first-child { border-top-left-radius: var(--radius); }
th:last-child  { border-top-right-radius: var(--radius); }
tbody tr {
  transition: background var(--t-fast);
}
tbody tr:nth-child(even) { background: rgba(241, 243, 249, 0.4); }
tbody tr:hover { background: var(--accent-soft); }
tbody tr:last-child td { border-bottom: 0; }

/* ─── Tags ────────────────────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
  line-height: 1.5;
  border: 1px solid transparent;
}
.tag::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}
.tag.online  { background: var(--success-soft); color: #047857; border-color: #a7f3d0; }
.tag.offline { background: var(--danger-soft);  color: #b91c1c; border-color: #fecaca; }
.tag.busy    { background: var(--warn-soft);    color: #b45309; border-color: #fde68a; }
.tag.idle    { background: var(--info-soft);    color: #1d4ed8; border-color: #bfdbfe; }

/* ─── Tabs ────────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.tabs .tab {
  padding: 10px 20px;
  cursor: pointer;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--t-fast);
  margin-bottom: -1px;
}
.tabs .tab:hover { color: var(--text); }
.tabs .tab.active {
  color: var(--accent-hi);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

/* ─── Sidebar Layout ─────────────────────────────────────────────── */
.layout-split {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 22px;
  align-items: start;
}
.tabs.vertical {
  flex-direction: column;
  border-bottom: none;
  margin-bottom: 0;
  padding: 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 80px;
  gap: 2px;
}
.tabs.vertical .tab {
  border-bottom: none;
  border-left: 3px solid transparent;
  border-radius: var(--radius);
  text-align: left;
  padding: 11px 16px;
  margin-bottom: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.tabs.vertical .tab::before {
  content: "";
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: all var(--t-fast);
}
.tabs.vertical .tab:hover {
  background: var(--accent-soft);
  color: var(--accent-hi);
}
.tabs.vertical .tab:hover::before { background: var(--accent); }
.tabs.vertical .tab.active {
  background: var(--accent-soft);
  color: var(--accent-hi);
  border-left-color: var(--accent);
  font-weight: 600;
}
.tabs.vertical .tab.active::before {
  width: 6px; height: 6px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ─── Login page ──────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(circle at 20% 30%, rgba(129, 140, 248, 0.22) 0%, transparent 55%),
    radial-gradient(circle at 80% 70%, rgba(236, 72, 153, 0.16) 0%, transparent 55%),
    radial-gradient(circle at 50% 50%, rgba(34, 211, 238, 0.12) 0%, transparent 70%),
    var(--bg);
  position: relative;
  overflow: hidden;
}
.login-page::before {
  content: "";
  position: absolute;
  width: 320px; height: 320px;
  left: -60px; top: 12%;
  background: linear-gradient(135deg, var(--accent), #a855f7);
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.22;
  pointer-events: none;
}
.login-page::after {
  content: "";
  position: absolute;
  width: 260px; height: 260px;
  right: -40px; bottom: 10%;
  background: linear-gradient(135deg, #ec4899, #f97316);
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.18;
  pointer-events: none;
}
.login-box {
  width: 420px;
  padding: 38px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  border-radius: 20px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}
.login-box h2 {
  margin: 0 0 26px 0;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-hi), #7c3aed);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.login-box input { margin-bottom: 12px; padding: 10px 14px; }
.login-box button { width: 100%; padding: 12px; font-size: 14px; font-weight: 600; }

/* ─── Utility ─────────────────────────────────────────────────────── */
.err       { color: var(--danger); font-size: 13px; margin-top: 8px; min-height: 18px; }
.muted     { color: var(--text-muted); font-size: 12px; }
.mono      { font-family: "JetBrains Mono", "Consolas", Menlo, monospace; font-size: 12.5px; }
h3         { font-size: 16px; font-weight: 700; margin: 0 0 14px 0; color: var(--text); }

/* ─── Stats grid ──────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  box-shadow: var(--shadow-sm);
}
.stat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-lo) 100%);
  opacity: 0.9;
}
.stat-card::after {
  content: "";
  position: absolute;
  right: -40px; top: -40px;
  width: 120px; height: 120px;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.5;
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--border-soft);
}
.stat-label {
  font-size: 11.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
  font-weight: 600;
  position: relative;
}
.stat-value {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text);
  background: linear-gradient(135deg, var(--text) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  position: relative;
}
.stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
  position: relative;
}
.stat-sub strong { color: var(--success); font-weight: 700; }

.stat-card.info   ::before { background: linear-gradient(90deg, var(--info), #60a5fa); }
.stat-card.info::after     { background: radial-gradient(circle, var(--info-soft) 0%, transparent 70%); }
.stat-card.success::before { background: linear-gradient(90deg, var(--success), #34d399); }
.stat-card.success::after  { background: radial-gradient(circle, var(--success-soft) 0%, transparent 70%); }
.stat-card.warn   ::before { background: linear-gradient(90deg, var(--warn), #fbbf24); }
.stat-card.warn::after     { background: radial-gradient(circle, var(--warn-soft) 0%, transparent 70%); }

/* ─── Session overlay (user.html) ─────────────────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.info-grid .item {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  transition: all var(--t);
}
.info-grid .item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.info-grid .label { font-size: 11.5px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.6px; font-weight: 600; }
.info-grid .value { font-size: 24px; font-weight: 800; margin-top: 6px; color: var(--text); }

.session-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  grid-template-columns: 1fr 200px;
  grid-template-rows: 100vh;
  background: var(--bg);
}
.session-overlay iframe {
  width: 100%;
  height: 100vh;
  border: none;
  border-right: 1px solid var(--border);
}
.mini-panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 12px;
  overflow-y: auto;
  background: var(--bg-elev);
  border-left: 1px solid var(--border);
}
.mini-user { color: var(--text-muted); font-size: 11px; word-break: break-all; padding: 2px 0; }
.mini-stat {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
}
.mini-label { color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.mini-value { font-size: 18px; font-weight: 800; color: var(--text); line-height: 1.2; }
.mini-divider { border: none; border-top: 1px solid var(--border); margin: 2px 0; }

.form-row { display: flex; gap: 8px; }
.form-row input { flex: 1; }

/* 小号按钮：表格操作列用，紧凑 */
.btn-xs {
  padding: 4px 10px;
  font-size: 12px;
  line-height: 1.2;
  border-radius: 6px;
}

/* 弹窗遮罩 + 卡片 */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  overflow: hidden;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.modal-body { padding: 18px; }
.modal-footer {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
}

/* 卡密列表的"类型分组"按钮 */
.kind-tabs .kind-tab {
  background: var(--bg-elev);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t);
}
.kind-tabs .kind-tab:hover {
  color: var(--text);
  border-color: var(--accent);
}
.kind-tabs .kind-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.kind-tabs .kind-tab .cnt {
  display: inline-block;
  margin-left: 6px;
  padding: 0 6px;
  border-radius: 10px;
  background: rgba(0,0,0,.18);
  font-size: 11px;
  min-width: 18px;
  text-align: center;
}
.kind-tabs .kind-tab.active .cnt {
  background: rgba(255,255,255,.25);
}

.machine-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 14px;
}
.machine-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  background: var(--bg-elev);
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.machine-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-lo) 100%);
  opacity: 0;
  transition: opacity var(--t);
}
.machine-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.machine-card:hover::before { opacity: 1; }
.machine-card h4 { margin: 0 0 8px 0; font-size: 15px; font-weight: 700; }
.machine-card .meta { font-size: 12px; color: var(--text-muted); margin-bottom: 12px; }

/* ─── Toast ───────────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 12px 18px;
  font-size: 13px;
  min-width: 280px;
  max-width: 420px;
  opacity: 0;
  transform: translateX(30px);
  transition: opacity var(--t), transform var(--t);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  color: var(--text);
}
.toast.show { opacity: 1; transform: translateX(0); }
.toast.error   { border-left-color: var(--danger); }
.toast.success { border-left-color: var(--success); }
.toast.warn    { border-left-color: var(--warn); }

/* ─── Scrollbars ──────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #c8cfda; border-radius: 5px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ─── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .container { padding: 16px; }
  .topbar { padding: 12px 16px; }
  .topbar h1 { font-size: 15px; }
  .row { flex-direction: column; }
  .row > * { width: 100%; }
  .card { padding: 16px; }
  .tabs { overflow-x: auto; white-space: nowrap; }
  .tabs .tab { padding: 10px 14px; }
  .login-box { width: 100%; padding: 24px; }
  .card:has(> table) { overflow-x: auto; }
  table { min-width: 640px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .layout-split { grid-template-columns: 1fr; }
  .tabs.vertical {
    flex-direction: row;
    position: static;
    padding: 4px;
    overflow-x: auto;
  }
  .tabs.vertical .tab {
    border-left: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    flex-shrink: 0;
  }
  .tabs.vertical .tab.active {
    background: transparent;
    border-bottom-color: var(--accent);
    border-left: none;
  }
  .tabs.vertical .tab::before { display: none; }
}