:root {
  --bg: #07111f;
  --panel: #0d1a2b;
  --panel-2: #122238;
  --panel-3: #172b45;
  --line: rgba(255, 255, 255, 0.1);
  --muted: #8ea0b8;
  --text: #f5f8fc;
  --accent: #33a5ff;
  --accent-2: #66c1ff;
  --warning: #ffbd4a;
  --danger: #ff6b6b;
  --success: #47d18c;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.26);
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, sans-serif;
  background: radial-gradient(circle at top right, rgba(51,165,255,.13), transparent 30%), var(--bg);
  color: var(--text);
}
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 265px 1fr; }
.sidebar {
  position: sticky; top: 0; height: 100vh; padding: 24px 18px;
  border-right: 1px solid var(--line); background: rgba(7,17,31,.94); backdrop-filter: blur(18px);
  display: flex; flex-direction: column; z-index: 40;
}
.brand { display: flex; gap: 12px; align-items: center; padding: 0 8px 24px; border-bottom: 1px solid var(--line); }
.brand-mark { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; font-weight: 800; background: linear-gradient(135deg, var(--accent), #1768d4); box-shadow: 0 10px 30px rgba(51,165,255,.28); }
.brand strong, .brand span, .user-chip strong, .user-chip span { display: block; }
.brand span, .user-chip span { color: var(--muted); font-size: 12px; margin-top: 3px; }
.nav-list { display: grid; gap: 8px; margin-top: 22px; }
.nav-item { width: 100%; text-align: left; border: 0; color: #b8c5d5; background: transparent; padding: 13px 14px; border-radius: 11px; display: flex; gap: 11px; align-items: center; }
.nav-item:hover, .nav-item.active { background: var(--panel-2); color: #fff; }
.nav-item.active { box-shadow: inset 3px 0 0 var(--accent); }
.sidebar-footer { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line); }
.user-chip { display: flex; align-items: center; gap: 10px; }
.avatar { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; background: var(--panel-3); }

.main-content { min-width: 0; }
.topbar { min-height: 92px; padding: 20px 28px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); background: rgba(7,17,31,.72); backdrop-filter: blur(18px); position: sticky; top: 0; z-index: 30; }
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar h1 { margin: 4px 0 0; font-size: 27px; }
.eyebrow { color: var(--accent-2); letter-spacing: .12em; font-size: 10px; font-weight: 800; margin: 0; }
.topbar-actions { display: flex; gap: 12px; align-items: center; }
.global-search { min-width: 310px; display: flex; gap: 9px; align-items: center; background: var(--panel); border: 1px solid var(--line); padding: 11px 13px; border-radius: 12px; }
.global-search input { border: 0; outline: 0; background: transparent; color: var(--text); width: 100%; }
.menu-button { display: none; }

.primary-button, .secondary-button, .ghost-button, .danger-button {
  border: 0; border-radius: 11px; padding: 11px 16px; font-weight: 700;
}
.primary-button { background: linear-gradient(135deg, var(--accent), #2278df); color: white; box-shadow: 0 10px 25px rgba(51,165,255,.22); }
.secondary-button { background: var(--panel-3); color: white; }
.ghost-button { background: transparent; color: #b9c7d9; border: 1px solid var(--line); }
.danger-button { background: rgba(255,107,107,.14); color: #ff9c9c; border: 1px solid rgba(255,107,107,.3); }
.icon-button { border: 0; background: transparent; color: var(--text); font-size: 25px; }

.view-container { padding: 28px; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.metric-card { background: linear-gradient(180deg, rgba(18,34,56,.92), rgba(13,26,43,.92)); border: 1px solid var(--line); border-radius: 16px; padding: 18px; box-shadow: var(--shadow); }
.metric-card span { color: var(--muted); font-size: 13px; }
.metric-card strong { display: block; font-size: 30px; margin-top: 12px; }
.metric-card small { display: block; color: #8fd7b1; margin-top: 7px; }
.metric-card.warning small { color: #ffd27d; }

.section-card { margin-top: 20px; background: rgba(13,26,43,.88); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; }
.section-header { padding: 18px 20px; display: flex; justify-content: space-between; gap: 16px; align-items: center; border-bottom: 1px solid var(--line); }
.section-header h2 { margin: 0; font-size: 18px; }
.section-header p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.filter-row { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-chip { border: 1px solid var(--line); color: #bdc9d7; background: var(--panel-2); padding: 8px 12px; border-radius: 999px; }
.filter-chip.active { color: white; border-color: rgba(51,165,255,.45); background: rgba(51,165,255,.15); }

.tool-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; padding: 18px; }
.tool-card { border: 1px solid var(--line); border-radius: 15px; background: linear-gradient(180deg, rgba(23,43,69,.9), rgba(13,26,43,.95)); padding: 17px; transition: .2s ease; position: relative; overflow: hidden; }
.tool-card:hover { transform: translateY(-2px); border-color: rgba(102,193,255,.38); }
.tool-card.warning { box-shadow: inset 4px 0 0 var(--warning); }
.tool-card .top { display: flex; justify-content: space-between; gap: 12px; }
.tool-card h3 { margin: 0; font-size: 17px; }
.tool-card .serial { color: var(--muted); margin-top: 5px; font-size: 13px; }
.status-badge, .tag { border-radius: 999px; padding: 6px 9px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.status-badge { background: rgba(71,209,140,.12); color: #87e7b6; border: 1px solid rgba(71,209,140,.25); }
.status-badge.pending { color: #ffd27d; border-color: rgba(255,189,74,.27); background: rgba(255,189,74,.1); }
.wo-line { margin: 16px 0 12px; padding: 12px; border-radius: 11px; background: rgba(5,14,25,.65); border: 1px solid var(--line); }
.wo-line strong { font-size: 16px; }
.wo-line.pending strong { color: #ffd27d; }
.tool-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; font-size: 12px; color: var(--muted); }
.tool-meta b { display: block; color: #edf4fb; margin-top: 3px; font-size: 13px; }
.card-footer { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 15px; padding-top: 13px; border-top: 1px solid var(--line); }
.tag-row { display: flex; gap: 7px; flex-wrap: wrap; }
.tag { background: rgba(255,189,74,.12); color: #ffd27d; border: 1px solid rgba(255,189,74,.25); }
.text-button { background: transparent; border: 0; color: var(--accent-2); font-weight: 700; }
.empty-state { text-align: center; padding: 50px 20px; color: var(--muted); }

.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.68); backdrop-filter: blur(7px); z-index: 100; display: grid; place-items: center; padding: 18px; }
.modal { width: min(960px, 100%); max-height: calc(100vh - 36px); overflow: auto; background: #0b1727; border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 30px 90px rgba(0,0,0,.55); }
.modal-header { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 20px 22px; border-bottom: 1px solid var(--line); }
.modal-header h2 { margin: 5px 0 0; }
.progress-wrap { padding: 17px 22px 0; }
.progress-copy { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
.progress-copy strong { color: white; }
.progress-track { height: 7px; border-radius: 999px; background: var(--panel-3); margin-top: 10px; overflow: hidden; }
.progress-track div { height: 100%; width: 14%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .25s ease; }
.wizard-content { padding: 24px 22px; min-height: 360px; }
.modal-footer { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 17px 22px; border-top: 1px solid var(--line); position: sticky; bottom: 0; background: #0b1727; }
.footer-actions { display: flex; gap: 10px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 700; color: #dce5ef; }
.field input, .field select, .field textarea { width: 100%; background: var(--panel); color: white; border: 1px solid var(--line); border-radius: 11px; padding: 12px 13px; outline: 0; }
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: rgba(51,165,255,.65); box-shadow: 0 0 0 3px rgba(51,165,255,.1); }
.choice-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.choice-card { border: 1px solid var(--line); border-radius: 13px; background: var(--panel); padding: 16px; color: white; text-align: left; }
.choice-card.selected { border-color: var(--accent); background: rgba(51,165,255,.12); }
.info-box, .warning-box { padding: 14px; border-radius: 12px; margin-bottom: 17px; }
.info-box { border: 1px solid rgba(51,165,255,.28); background: rgba(51,165,255,.08); }
.warning-box { border: 1px solid rgba(255,189,74,.32); background: rgba(255,189,74,.08); color: #ffe1a0; }
.existing-tool-card { padding: 16px; border: 1px solid rgba(51,165,255,.35); background: rgba(51,165,255,.08); border-radius: 13px; }
.existing-tool-card h3 { margin-top: 0; }
.photo-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.photo-list { margin-top: 15px; display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; }
.photo-thumb { aspect-ratio: 1; border-radius: 10px; object-fit: cover; width: 100%; border: 1px solid var(--line); }
.review-list { display: grid; gap: 10px; }
.review-row { display: flex; justify-content: space-between; gap: 20px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.review-row span { color: var(--muted); }

.tool-modal-content { padding: 22px; }
.tool-summary { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.summary-panel { border: 1px solid var(--line); border-radius: 15px; padding: 18px; background: var(--panel); }
.summary-panel h3 { margin-top: 0; }
.history-list { display: grid; gap: 12px; margin-top: 16px; }
.history-item { border: 1px solid var(--line); border-radius: 13px; padding: 14px; background: rgba(18,34,56,.72); }
.history-item header { display: flex; justify-content: space-between; gap: 12px; }
.history-item p { margin: 7px 0 0; color: var(--muted); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); font-size: 13px; }
th { color: var(--muted); font-weight: 600; }

@media (max-width: 1100px) {
  .metrics-grid { grid-template-columns: repeat(2,1fr); }
  .tool-grid { grid-template-columns: repeat(2,1fr); }
  .global-search { min-width: 240px; }
}
@media (max-width: 820px) {
  .app-shell { display: block; }
  .sidebar { position: fixed; left: -280px; width: 265px; transition: left .25s ease; }
  .sidebar.open { left: 0; }
  .menu-button { display: block; }
  .topbar { align-items: flex-start; padding: 16px; }
  .topbar-actions { width: 100%; }
  .global-search { min-width: 0; flex: 1; }
  .view-container { padding: 16px; }
  .tool-grid { grid-template-columns: 1fr; }
  .tool-summary { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .topbar { flex-direction: column; }
  .topbar h1 { font-size: 22px; }
  .topbar-actions { display: grid; grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .metric-card { padding: 14px; }
  .metric-card strong { font-size: 24px; }
  .form-grid, .choice-grid { grid-template-columns: 1fr; }
  .modal-backdrop { padding: 0; align-items: end; }
  .modal { max-height: 96vh; border-radius: 20px 20px 0 0; }
  .modal-footer { flex-wrap: wrap; }
  .footer-actions { flex: 1; justify-content: flex-end; }
  .photo-list { grid-template-columns: repeat(3,1fr); }
  .section-header { align-items: flex-start; flex-direction: column; }
  .tool-meta { grid-template-columns: 1fr 1fr; }
}