/* WORLD STEEL ITP GENERATOR – UI styles */
:root {
  --navy: #1F3A5F; --navy-2: #16304F; --navy-3: #0F2238; --steel: #3C5A7D; --red: #B3122E; --gold: #C9A227;
  --bg: #F3F5F8; --panel: #FFFFFF; --line: #DCE2EA; --line-2: #E9EDF2; --text: #18212C; --muted: #5E6B7A; --faint: #8C97A4;
  --ok: #1E7F4F; --ok-bg: #E6F4EC; --warn: #9A6A00; --warn-bg: #FFF5DA; --err: #B3122E; --err-bg: #FCE8EB; --info-bg: #E8EFF8;
  --radius: 8px; --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: var(--font); font-size: 14px; color: var(--text); background: var(--bg); line-height: 1.45; }
a { color: var(--steel); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.25; color: var(--navy-3); }
h1 { font-size: 22px; } h2 { font-size: 18px; } h3 { font-size: 15px; } h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
p { margin: 0 0 .8em; }
code, .mono { font-family: var(--mono); font-size: 12px; }
small, .small { font-size: 12px; } .muted { color: var(--muted); } .faint { color: var(--faint); }
hr { border: 0; border-top: 1px solid var(--line); margin: 16px 0; }

/* ---------- App shell ---------- */
.shell { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }
.sidebar { background: var(--navy-3); color: #C9D4E2; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.sidebar .brand { display: flex; align-items: center; gap: 10px; padding: 16px 16px 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar .brand img { width: 38px; height: 38px; object-fit: contain; background: #fff; border-radius: 6px; padding: 2px; }
.sidebar .brand b { color: #fff; font-size: 13px; letter-spacing: .02em; display: block; }
.sidebar .brand span { font-size: 11px; color: #8FA3BB; }
.nav { padding: 10px 8px; flex: 1; }
.nav .grp { font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; color: #6F849E; padding: 12px 10px 4px; }
.nav a { display: flex; align-items: center; gap: 10px; color: #C9D4E2; padding: 8px 10px; border-radius: 6px; font-size: 13.5px; }
.nav a:hover { background: rgba(255,255,255,.06); text-decoration: none; color: #fff; }
.nav a.active { background: var(--navy); color: #fff; box-shadow: inset 3px 0 0 var(--gold); }
.nav svg { width: 17px; height: 17px; flex: none; opacity: .85; }
.sidebar .foot { padding: 10px 16px 14px; font-size: 11px; color: #6F849E; border-top: 1px solid rgba(255,255,255,.08); }
.main { min-width: 0; display: flex; flex-direction: column; }
.topbar { background: var(--panel); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 12px; padding: 10px 22px; position: sticky; top: 0; z-index: 20; }
.topbar .title { font-weight: 600; font-size: 15px; color: var(--navy-3); flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar .lang a { padding: 3px 8px; border: 1px solid var(--line); border-radius: 4px; font-size: 12px; color: var(--muted); }
.topbar .lang a.on { background: var(--navy); color: #fff; border-color: var(--navy); }
.topbar .user { font-size: 12.5px; color: var(--muted); display: flex; gap: 10px; align-items: center; }
.topbar .role { background: var(--info-bg); color: var(--navy); border-radius: 10px; padding: 2px 8px; font-size: 11px; font-weight: 600; }
.content { padding: 22px; max-width: 1360px; width: 100%; }
.content.wide { max-width: none; }
.menu-toggle { display: none; }

/* ---------- Components ---------- */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px; }
.card > h2:first-child, .card > h3:first-child { margin-top: 0; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.card-head h2, .card-head h3 { margin: 0; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0,1fr)); } .g3 { grid-template-columns: repeat(3, minmax(0,1fr)); } .g4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head p { margin: 4px 0 0; color: var(--muted); }

.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: #fff; color: var(--text); padding: 7px 13px; border-radius: 6px; font: inherit; font-size: 13px; cursor: pointer; white-space: nowrap; line-height: 1.3; }
.btn:hover { background: #F6F8FB; text-decoration: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn.primary:hover { background: var(--navy-2); }
.btn.accent { background: var(--red); border-color: var(--red); color: #fff; }
.btn.accent:hover { background: #95102A; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.danger { color: var(--err); border-color: #F0C2CA; }
.btn.danger:hover { background: var(--err-bg); }
.btn.sm { padding: 4px 9px; font-size: 12px; }
.btn.xs { padding: 2px 6px; font-size: 11px; border-radius: 4px; }
.btn.lg { padding: 11px 20px; font-size: 15px; font-weight: 600; }
form.inline { display: inline; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; background: #EEF1F5; color: var(--muted); white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); } .badge.warn { background: var(--warn-bg); color: var(--warn); } .badge.err { background: var(--err-bg); color: var(--err); }
.badge.navy { background: var(--navy); color: #fff; } .badge.info { background: var(--info-bg); color: var(--navy); } .badge.gold { background: #F6EDC8; color: #7A5F00; }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px; border-radius: 14px; background: var(--info-bg); color: var(--navy); font-size: 12px; margin: 2px; }

.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; border: 1px solid; font-size: 13.5px; }
.alert.success { background: var(--ok-bg); border-color: #B7E0C8; color: #0F5132; }
.alert.error { background: var(--err-bg); border-color: #F2B8C2; color: #7A0F22; }
.alert.warning { background: var(--warn-bg); border-color: #F1DC9C; color: #6B4B00; }
.alert.info { background: var(--info-bg); border-color: #C5D5EA; color: var(--navy-3); }

/* ---------- Forms ---------- */
label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 4px; }
.field { margin-bottom: 12px; }
input:not([type]), input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=search], select, textarea {
  width: 100%; font: inherit; font-size: 13.5px; color: var(--text); background: #fff; border: 1px solid #C9D2DD; border-radius: 6px; padding: 7px 9px; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(31,58,95,.25); border-color: var(--steel); }
textarea { min-height: 70px; resize: vertical; }
input[type=color] { width: 44px; height: 32px; padding: 0; border: 1px solid #C9D2DD; border-radius: 6px; background: #fff; }
.check { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; color: var(--text); font-size: 13px; cursor: pointer; margin: 0; }
.check input { margin: 0; }
.hint { font-size: 12px; color: var(--muted); margin-top: 3px; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: #F7F9FB; border-bottom: 1px solid var(--line); padding: 8px 10px; white-space: nowrap; }
table.data td { border-bottom: 1px solid var(--line-2); padding: 8px 10px; vertical-align: top; }
table.data tr:hover td { background: #FAFBFD; }
table.data td.actions { white-space: nowrap; text-align: right; }
table.data.compact td, table.data.compact th { padding: 5px 7px; }
table.data input, table.data select, table.data textarea { font-size: 12.5px; padding: 5px 6px; }

/* ---------- Stats ---------- */
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.stat .v { font-size: 26px; font-weight: 700; color: var(--navy-3); }
.stat .l { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }

/* ---------- Public pages ---------- */
.public { min-height: 100vh; display: flex; flex-direction: column; background: linear-gradient(160deg, #0F2238 0%, #1F3A5F 55%, #2B4D75 100%); color: #fff; }
.public header { display: flex; align-items: center; gap: 12px; padding: 18px 32px; }
.public header img { height: 44px; background: #fff; border-radius: 6px; padding: 3px; }
.public header .sp { flex: 1; }
.public header a { color: #D8E2EE; }
.hero { max-width: 1100px; margin: 0 auto; padding: 56px 32px 28px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
.hero h1 { color: #fff; font-size: 40px; letter-spacing: .01em; margin-bottom: 12px; }
.hero h1 span { color: var(--gold); }
.hero p.sub { font-size: 18px; color: #C9D6E6; margin-bottom: 26px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .btn.lg.primary { background: var(--red); border-color: var(--red); }
.hero .btn.lg { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.3); }
.doc-mock { background: #fff; color: var(--text); border-radius: 10px; padding: 14px; box-shadow: 0 20px 50px rgba(0,0,0,.35); transform: rotate(1.2deg); font-size: 10px; }
.doc-mock .mh { display: grid; grid-template-columns: 60px 1fr 90px; border: 1px solid #9AA8B8; }
.doc-mock .mh > div { padding: 6px; border-right: 1px solid #9AA8B8; } .doc-mock .mh > div:last-child { border: 0; }
.doc-mock table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.doc-mock th { background: var(--navy); color: #fff; font-size: 8.5px; padding: 4px; border: 1px solid #9AA8B8; }
.doc-mock td { border: 1px solid #C7D0DA; padding: 3px 4px; font-size: 8.5px; }
.doc-mock .sec td { background: #E3EAF3; font-weight: 700; color: var(--navy); }
.features { max-width: 1100px; margin: 0 auto; padding: 10px 32px 60px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.feature { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); border-radius: 10px; padding: 16px; }
.feature b { display: block; color: #fff; margin-bottom: 4px; }
.feature span { color: #B9C7D8; font-size: 13px; }
.public footer { text-align: center; padding: 18px; color: #8FA3BB; font-size: 12px; margin-top: auto; }
.auth-card { max-width: 420px; margin: 50px auto; background: #fff; color: var(--text); border-radius: 12px; padding: 28px; box-shadow: 0 20px 50px rgba(0,0,0,.3); }
.auth-card.wide { max-width: 760px; }
.auth-card h1 { font-size: 20px; }

/* ---------- Builder (three-panel) ---------- */
.builder { display: grid; grid-template-columns: 220px minmax(0,1fr) 290px; gap: 16px; align-items: start; }
.steps { position: sticky; top: 70px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px; box-shadow: var(--shadow); }
.steps a { display: flex; gap: 10px; align-items: center; padding: 8px 9px; border-radius: 6px; color: var(--text); font-size: 13px; cursor: pointer; }
.steps a:hover { background: #F4F6F9; text-decoration: none; }
.steps a.active { background: var(--navy); color: #fff; }
.steps .n { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: #E8EDF3; color: var(--navy); font-size: 11.5px; font-weight: 700; flex: none; }
.steps a.active .n { background: var(--gold); color: var(--navy-3); }
.steps a.done .n { background: var(--ok); color: #fff; }
.panel { display: none; } .panel.on { display: block; }
.summary { position: sticky; top: 70px; display: flex; flex-direction: column; gap: 12px; }
.summary .card { padding: 14px; margin: 0; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 10px; font-size: 12.5px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; font-weight: 600; word-break: break-word; }
.status-box { text-align: center; padding: 10px; border-radius: 6px; font-weight: 700; letter-spacing: .03em; font-size: 13px; }
.status-box.ready { background: var(--ok-bg); color: var(--ok); }
.status-box.review { background: var(--err-bg); color: var(--err); }
.status-box.unknown { background: #EEF1F5; color: var(--muted); }

.std-region { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 10px; }
.std-region > summary { padding: 10px 12px; cursor: pointer; font-weight: 600; color: var(--navy-3); display: flex; gap: 8px; align-items: center; }
.std-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 4px 14px; padding: 4px 14px 12px; }
.std-list label { font-weight: 400; color: var(--text); display: flex; gap: 8px; align-items: flex-start; font-size: 13px; margin: 0; padding: 3px 0; cursor: pointer; }
.std-list label b { font-weight: 600; white-space: nowrap; }
.scope-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 8px; }
.scope-grid label { display: flex; gap: 8px; align-items: center; border: 1px solid var(--line); border-radius: 6px; padding: 9px 10px; font-weight: 500; color: var(--text); cursor: pointer; margin: 0; }
.scope-grid label:has(input:checked) { border-color: var(--steel); background: var(--info-bg); }

/* ---------- Matrix editor ---------- */
.mx-toolbar { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; position: sticky; top: 54px; background: var(--bg); padding: 6px 0; z-index: 5; }
.mx-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
table.mx { border-collapse: collapse; width: 100%; min-width: 1180px; font-size: 12.5px; }
table.mx th { background: var(--navy); color: #fff; font-weight: 600; font-size: 11.5px; padding: 6px; border: 1px solid #2F4D72; position: sticky; top: 0; }
table.mx td { border: 1px solid var(--line); padding: 0; vertical-align: top; background: #fff; }
table.mx td .cell { min-height: 30px; padding: 5px 6px; white-space: pre-wrap; word-break: break-word; outline: none; }
table.mx td .cell[contenteditable=true]:focus { background: #FFFBEA; box-shadow: inset 0 0 0 2px var(--gold); }
table.mx td .cell:empty::before { content: attr(data-ph); color: #B4BDC8; }
table.mx td.pt input { width: 100%; border: 0; text-align: center; font-weight: 700; padding: 6px 2px; background: transparent; font-size: 12.5px; }
table.mx td.pt input:focus { background: #FFFBEA; outline: 2px solid var(--gold); }
table.mx td.no input { width: 100%; border: 0; text-align: center; padding: 6px 2px; background: transparent; font-size: 12px; }
table.mx td.freq input { width: 100%; border: 0; padding: 6px; font-size: 12.5px; background: transparent; }
table.mx tr.sec td { background: #E3EAF3; }
table.mx tr.sec .cell { font-weight: 700; color: var(--navy); }
table.mx tr.l1 td.act .cell { font-weight: 600; }
table.mx tr.l2 td.act .cell { padding-left: 18px; }
table.mx tr.sel td { background: #F2F7FF; }
table.mx tr.customer td.no { box-shadow: inset 3px 0 0 var(--red); }
table.mx tr.violation td { background: #FFF1F3; }
table.mx tr.dragging { opacity: .4; }
table.mx tr.drop-before td { border-top: 3px solid var(--gold); }
table.mx td.ctl { white-space: nowrap; width: 1%; padding: 3px; background: #FAFBFC; vertical-align: middle; }
table.mx td.ctl .handle { cursor: grab; color: var(--faint); padding: 2px 4px; user-select: none; }
table.mx td.flags { width: 1%; white-space: nowrap; padding: 3px 4px; text-align: center; vertical-align: middle; }
.flag { display: inline-block; font-size: 10px; font-weight: 700; padding: 1px 4px; border-radius: 3px; margin: 1px; cursor: help; }
.flag.c { background: var(--err-bg); color: var(--red); }
.flag.rv { background: var(--warn-bg); color: var(--warn); }
.flag.v { background: var(--ok-bg); color: var(--ok); }
.flag.x { background: var(--red); color: #fff; }
.flag.m { background: var(--info-bg); color: var(--navy); }
.mx-legend { font-size: 12px; color: var(--muted); margin-top: 8px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Drawer / modal ---------- */
.modal-back { position: fixed; inset: 0; background: rgba(10,20,35,.45); display: none; align-items: center; justify-content: center; z-index: 100; padding: 20px; }
.modal-back.on { display: flex; }
.modal { background: #fff; border-radius: 10px; width: min(760px, 100%); max-height: 90vh; overflow: auto; box-shadow: 0 25px 60px rgba(0,0,0,.35); }
.modal .mh { padding: 14px 18px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; background: #fff; }
.modal .mb { padding: 16px 18px; }
.modal .mf { padding: 12px 18px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 8px; position: sticky; bottom: 0; background: #fff; }

.toast { position: fixed; right: 20px; bottom: 20px; background: var(--navy-3); color: #fff; padding: 10px 16px; border-radius: 6px; box-shadow: var(--shadow); z-index: 200; opacity: 0; transform: translateY(10px); transition: .2s; pointer-events: none; max-width: 420px; }
.toast.on { opacity: 1; transform: none; }
.toast.err { background: var(--red); }

/* ---------- Validation list ---------- */
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { border: 1px solid var(--line); border-radius: 6px; margin-bottom: 6px; }
.checks li > div { display: flex; gap: 10px; align-items: center; padding: 8px 12px; }
.checks .n { width: 22px; font-weight: 700; color: var(--muted); }
.checks .lbl { flex: 1; font-weight: 600; }
.checks ul { margin: 0; padding: 0 12px 8px 44px; font-size: 12.5px; }
.checks ul li { border: 0; margin: 2px 0; list-style: disc; }
.checks ul li.error { color: var(--err); } .checks ul li.warn { color: var(--warn); } .checks ul li.info { color: var(--muted); }

/* ---------- PDF preview ---------- */
.viewer { display: grid; grid-template-rows: auto 1fr; height: calc(100vh - 120px); background: #525659; border-radius: 8px; overflow: hidden; }
.viewer .vt { display: flex; gap: 6px; align-items: center; padding: 8px 10px; background: #323639; color: #fff; flex-wrap: wrap; }
.viewer .vt .btn { background: #4A4F54; color: #fff; border-color: #5D6369; }
.viewer .vt .btn:hover { background: #5D6369; }
.viewer .vt .pg { font-size: 13px; padding: 0 8px; }
.viewer .vs { overflow: auto; padding: 16px; text-align: center; }
.viewer canvas { box-shadow: 0 4px 16px rgba(0,0,0,.4); background: #fff; margin: 0 auto 16px; display: block; }

.diff-from { background: var(--err-bg); text-decoration: line-through; padding: 0 3px; border-radius: 3px; white-space: pre-wrap; }
.diff-to { background: var(--ok-bg); padding: 0 3px; border-radius: 3px; white-space: pre-wrap; }
.pre { white-space: pre-wrap; }
.nowrap { white-space: nowrap; }
.right { text-align: right; } .center { text-align: center; }
.mt0 { margin-top: 0; } .mb0 { margin-bottom: 0; } .mt { margin-top: 14px; }

@media (max-width: 1280px) {
  .builder { grid-template-columns: 200px minmax(0,1fr); }
  .builder .summary { grid-column: 1 / -1; position: static; display: grid; grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 960px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: -260px; width: 236px; z-index: 50; transition: left .2s; }
  .sidebar.on { left: 0; }
  .menu-toggle { display: inline-flex; }
  .g3, .g4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .builder { grid-template-columns: 1fr; }
  .steps { position: static; display: flex; overflow-x: auto; }
  .builder .summary { grid-template-columns: 1fr; }
  .hero { grid-template-columns: 1fr; padding-top: 30px; } .hero h1 { font-size: 30px; }
  .features { grid-template-columns: 1fr 1fr; }
  .std-list, .scope-grid { grid-template-columns: 1fr 1fr; }
  .content { padding: 14px; }
}
@media (max-width: 600px) {
  .g2, .g3, .g4, .features, .std-list, .scope-grid { grid-template-columns: 1fr; }
}
@media print { .sidebar, .topbar, .no-print { display: none !important; } .shell { display: block; } }
.builder.mx-mode { grid-template-columns: 190px minmax(0,1fr); }
.builder.mx-mode .summary { display: none; }
.builder.mx-mode .steps a { font-size: 12.5px; }

.public header .btn { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.35); }
.public header .btn:hover { background: rgba(255,255,255,.22); }
table.mx td .cell, table.mx td input { text-align: left; }