/* ============================================================================
   Nutanix Sizer Ultra
   Palette taken from the live nutanix.com design system:
     ink #131313 | brand #482AF6 | brand light #7855FA | body grey #565656
     surfaces #F5F5F5 / #F5F8FB | typeface Montserrat
   ========================================================================== */

:root {
  /* Warm Violet: niyyasoft.com surfaces and ink, Nutanix violet as the action colour.
     niyyasoft  paper #FAF9F6 / #F3F1EC, ink #0B0B0B, line #E4E1D9, muted #6B6B66,
                accents pink #F06FA8, green #3ECF8E, amber #EDC22E, Inter, 20px radius
     Nutanix    brand #482AF6 / #7855FA                                            */
  --nx-ink: #0B0B0B;
  --nx-primary: #482AF6;
  --nx-primary-light: #7855FA;
  --nx-primary-dark: #3517C4;
  --nx-primary-050: #F1EEFE;
  --nx-primary-100: #E1DBFD;
  --nx-primary-200: #C9BEFD;
  --nx-gray: #6B6B66;
  --nx-gray-light: #9A9A92;
  --nx-bg: #FAF9F6;
  --nx-surface: #F3F1EC;
  --nx-surface-alt: #F1EEFE;
  --nx-line: #E4E1D9;
  --nx-line-strong: #D3CFC4;
  --nx-pink: #F06FA8;
  --nx-teal: #0BA5A5;
  --nx-green: #2A9D6B;
  --nx-amber: #C9960B;
  --nx-red: #C62828;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(11, 11, 11, .05), 0 4px 16px rgba(11, 11, 11, .04);
  --shadow: 0 2px 8px rgba(11, 11, 11, .07), 0 16px 48px -16px rgba(11, 11, 11, .20);
  --font: 'Inter', 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --sidebar-w: 248px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  font-family: var(--font);
  color: var(--nx-ink);
  background: var(--nx-bg);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0 0 .5rem; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 .75rem; color: var(--nx-gray); line-height: 1.55; }
a { color: var(--nx-primary); }

/* ------------------------------------------------------------- app shell */
.app { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: 100vh; }

.sidebar {
  background: var(--nx-ink);
  color: #fff;
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.brand { padding: 22px 20px 18px; border-bottom: 1px solid rgba(255,255,255,.1); }
.brand-mark { display: flex; align-items: center; gap: 10px; }
.brand-icon { width: 38px; height: 38px; border-radius: 9px; flex: none; display: block; }
.brand-name { font-weight: 800; font-size: 15px; letter-spacing: .02em; }
.brand-sub { font-size: 10.5px; color: #9A9AAE; margin-top: 4px; letter-spacing: .08em; text-transform: uppercase; }

.nav { flex: 1; overflow-y: auto; padding: 12px 10px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%; border: 0; background: transparent; color: #C9C9D6;
  font-family: var(--font); font-size: 13px; font-weight: 500;
  padding: 10px 12px; border-radius: 8px; cursor: pointer; text-align: left;
  transition: background .15s, color .15s;
}
.nav-item:hover { background: rgba(255,255,255,.07); color: #fff; }
.nav-item.active { background: var(--nx-primary); color: #fff; font-weight: 600; }
.nav-item .step-n {
  width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center;
  font-size: 10.5px; font-weight: 700; background: rgba(255,255,255,.12); flex: none;
}
.nav-item.active .step-n { background: rgba(255,255,255,.25); }
.nav-item.done .step-n { background: var(--nx-teal); color: #fff; }
.nav-sep { font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: #6E6E82; padding: 14px 12px 6px; }

.sidebar-foot { padding: 14px; border-top: 1px solid rgba(255,255,255,.1); font-size: 11px; color: #8A8A9E; }
.sidebar-foot .mini-kpi { display: flex; justify-content: space-between; padding: 3px 0; }
.sidebar-foot .mini-kpi b { color: #fff; font-weight: 600; }

/* ------------------------------------------------------------------ main */
.main { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 26px; border-bottom: 1px solid var(--nx-line);
  background: var(--nx-bg); position: sticky; top: 0; z-index: 20;
}
.topbar h1 { font-size: 1.15rem; margin: 0; }
.topbar .sub { font-size: 12px; color: var(--nx-gray); }
.topbar .spacer { flex: 1; }

.content { padding: 24px 26px 60px; max-width: 1560px; width: 100%; }
.panel { display: none; }
.panel.active { display: block; animation: fade .18s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ----------------------------------------------------------------- cards */
.card {
  background: #FFFFFF; border: 1px solid var(--nx-line); border-radius: var(--radius);
  padding: 20px; margin-bottom: 18px; box-shadow: var(--shadow-sm);
}
.card > h2, .card > h3 { display: flex; align-items: center; gap: 8px; }
.card-head { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.card-head .spacer { flex: 1; }
.card-sub { font-size: 12.5px; color: var(--nx-gray); margin: -4px 0 14px; line-height: 1.5; }

.grid { display: grid; gap: 16px; }
.grid.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1250px) { .grid.c4 { grid-template-columns: repeat(2, minmax(0,1fr)); } .grid.c3 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 900px) { .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: 1fr; } .app { grid-template-columns: 1fr; } .sidebar { position: static; height: auto; } }

/* ---------------------------------------------------------------- inputs */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 11.5px; font-weight: 600; margin-bottom: 5px; color: var(--nx-ink); }
.field .hint { font-size: 11px; color: var(--nx-gray-light); margin-top: 4px; line-height: 1.45; }
input[type=text], input[type=number], input[type=date], select, textarea {
  width: 100%; font-family: var(--font); font-size: 13px; color: var(--nx-ink);
  border: 1px solid var(--nx-line-strong); border-radius: var(--radius-sm);
  padding: 8px 10px; background: #fff; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--nx-primary); box-shadow: 0 0 0 3px var(--nx-primary-050);
}
input[type=range] { width: 100%; accent-color: var(--nx-primary); }
.inline { display: flex; align-items: center; gap: 8px; }
.checkline { display: flex; align-items: flex-start; gap: 8px; padding: 6px 0; font-size: 12.5px; }
.checkline input { margin-top: 2px; accent-color: var(--nx-primary); }
.checkline span small { display: block; color: var(--nx-gray-light); font-size: 11px; }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font); font-size: 12.5px; font-weight: 600;
  padding: 9px 16px; border-radius: var(--radius-sm); border: 1px solid transparent;
  cursor: pointer; transition: all .15s; white-space: nowrap;
}
.btn-primary { background: var(--nx-primary); color: #fff; }
.btn-primary:hover { background: var(--nx-primary-dark); }
.btn-ghost { background: #fff; color: var(--nx-ink); border-color: var(--nx-line-strong); }
.btn-ghost:hover { border-color: var(--nx-primary); color: var(--nx-primary); }
.btn-dark { background: var(--nx-ink); color: #fff; }
.btn-dark:hover { background: #2A2A2A; }
.btn-sm { padding: 6px 11px; font-size: 11.5px; }
.btn-danger { background: #fff; color: var(--nx-red); border-color: #F0C9C9; }
.btn-danger:hover { background: #FDF2F2; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------------------------------------------------------------- chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--nx-line-strong); background: #fff; border-radius: 999px;
  padding: 6px 13px; font-size: 12px; font-weight: 600; cursor: pointer; color: var(--nx-gray);
  font-family: var(--font); transition: all .15s;
}
.chip:hover { border-color: var(--nx-primary); color: var(--nx-primary); }
.chip.on { background: var(--nx-primary); border-color: var(--nx-primary); color: #fff; }

/* -------------------------------------------------------------- usecases */
.uc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 12px; }
.uc {
  border: 1.5px solid var(--nx-line); border-radius: var(--radius); padding: 14px;
  cursor: pointer; transition: all .15s; background: #fff; position: relative;
}
.uc:hover { border-color: var(--nx-primary-light); box-shadow: var(--shadow-sm); }
.uc.on { border-color: var(--nx-primary); background: var(--nx-primary-050); }
.uc h4 { margin: 0 0 4px; font-size: 13px; }
.uc p { margin: 0; font-size: 11.5px; line-height: 1.45; }
.uc .tick {
  position: absolute; top: 12px; right: 12px; width: 18px; height: 18px; border-radius: 50%;
  border: 1.5px solid var(--nx-line-strong); display: grid; place-items: center; font-size: 11px; color: #fff;
}
.uc.on .tick { background: var(--nx-primary); border-color: var(--nx-primary); }

/* ---------------------------------------------------------------- tables */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--nx-line); border-radius: var(--radius); }
table.tbl { width: 100%; border-collapse: collapse; font-size: 12.5px; }
table.tbl th {
  background: var(--nx-surface); text-align: left; font-weight: 700; font-size: 11px;
  text-transform: uppercase; letter-spacing: .03em; color: var(--nx-gray);
  padding: 10px 11px; border-bottom: 1px solid var(--nx-line); white-space: nowrap;
}
table.tbl td { padding: 8px 11px; border-bottom: 1px solid var(--nx-line); vertical-align: middle; }
table.tbl tr:last-child td { border-bottom: 0; }
table.tbl tbody tr:hover { background: var(--nx-surface); }
table.tbl td input, table.tbl td select { padding: 5px 7px; font-size: 12px; min-width: 62px; }
table.tbl tfoot td { background: var(--nx-primary-050); font-weight: 700; border-top: 2px solid var(--nx-primary-200); }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------------ KPIs */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.kpi {
  background: #fff; border: 1px solid var(--nx-line); border-radius: var(--radius);
  padding: 15px 16px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}
.kpi::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--nx-primary); }
.kpi.teal::before { background: var(--nx-teal); }
.kpi.amber::before { background: var(--nx-amber); }
.kpi.green::before { background: var(--nx-green); }
.kpi .v { font-size: 1.55rem; font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.kpi .l { font-size: 11px; color: var(--nx-gray); margin-top: 4px; }
.kpi .s { font-size: 10.5px; color: var(--nx-gray-light); margin-top: 2px; }

/* ---------------------------------------------------------------- charts */
.chart-box { position: relative; height: 300px; }
.chart-box.tall { height: 380px; }

/* -------------------------------------------------------------- diagrams */
.diagram { border: 1px solid var(--nx-line); border-radius: var(--radius); overflow: auto; background: #fff; padding: 8px; }
.diagram svg { display: block; max-width: 100%; height: auto; margin: 0 auto; }

/* --------------------------------------------------------------- notices */
.notice { display: flex; gap: 10px; padding: 11px 13px; border-radius: var(--radius-sm); font-size: 12.5px; line-height: 1.5; margin-bottom: 9px; border: 1px solid; }
.notice b { text-transform: uppercase; font-size: 10px; letter-spacing: .05em; flex: none; padding-top: 2px; }
.notice.error { background: #FDF4F1; border-color: #F0CFC6; color: #8B1F1F; }
.notice.warn { background: #FDF6E4; border-color: #EFDFAF; color: #7A5300; }
.notice.info { background: var(--nx-primary-050); border-color: var(--nx-primary-100); color: var(--nx-primary-dark); }
.notice.ok { background: #EDF8F1; border-color: #C2E6D2; color: #16614A; }

/* ----------------------------------------------------------------- misc */
.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 10.5px; font-weight: 700; letter-spacing: .02em; }
.pill.primary { background: var(--nx-primary-050); color: var(--nx-primary-dark); }
.pill.teal { background: #E4F7F7; color: #076E6E; }
.pill.pink { background: #FDEBF3; color: #A32B68; }
.pill.amber { background: #FBF0D9; color: #7A5300; }
.pill.gray { background: var(--nx-surface); color: var(--nx-gray); }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.toolbar .spacer { flex: 1; }

.bp-list { margin: 0; padding-left: 18px; }
.bp-list li { font-size: 12.5px; color: var(--nx-gray); line-height: 1.6; margin-bottom: 5px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 1100px) { .split { grid-template-columns: 1fr; } }

.dropzone {
  border: 2px dashed var(--nx-line-strong); border-radius: var(--radius); padding: 30px;
  text-align: center; color: var(--nx-gray); cursor: pointer; transition: all .15s; background: var(--nx-surface-alt);
}
.dropzone:hover, .dropzone.drag { border-color: var(--nx-primary); background: var(--nx-primary-050); color: var(--nx-primary-dark); }
.dropzone b { display: block; font-size: 14px; color: var(--nx-ink); margin-bottom: 4px; }

.plat-list { display: grid; gap: 10px; max-height: 620px; overflow-y: auto; padding-right: 4px; }
.plat {
  border: 1.5px solid var(--nx-line); border-radius: var(--radius); padding: 12px 14px; cursor: pointer;
  display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; transition: all .15s; background: #fff;
}
.plat:hover { border-color: var(--nx-primary-light); }
.plat.on { border-color: var(--nx-primary); background: var(--nx-primary-050); }
.plat .m { font-weight: 700; font-size: 13px; }
.plat .d { font-size: 11px; color: var(--nx-gray); margin-top: 3px; line-height: 1.45; }
.plat .badges { display: flex; gap: 5px; margin-top: 6px; flex-wrap: wrap; }
.plat .score { font-size: 11px; color: var(--nx-primary-dark); font-weight: 700; white-space: nowrap; }

.progress { height: 7px; background: var(--nx-surface); border-radius: 4px; overflow: hidden; }
.progress > div { height: 100%; background: var(--nx-primary); transition: width .3s; }
.progress.warn > div { background: var(--nx-amber); }
.progress.danger > div { background: var(--nx-red); }
.progress.ok > div { background: var(--nx-green); }

.subtabs { display: flex; gap: 4px; border-bottom: 1px solid var(--nx-line); margin-bottom: 16px; flex-wrap: wrap; }
.subtab {
  border: 0; background: transparent; font-family: var(--font); font-size: 12.5px; font-weight: 600;
  color: var(--nx-gray); padding: 9px 14px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.subtab:hover { color: var(--nx-primary); }
.subtab.on { color: var(--nx-primary); border-bottom-color: var(--nx-primary); }
.subpanel { display: none; } .subpanel.on { display: block; }

.toast {
  position: fixed; bottom: 22px; right: 22px; z-index: 100;
  background: var(--nx-ink); color: #fff; padding: 13px 18px; border-radius: var(--radius);
  font-size: 12.5px; box-shadow: var(--shadow); max-width: 380px; line-height: 1.5;
  opacity: 0; transform: translateY(10px); pointer-events: none; transition: all .25s;
}
.toast.on { opacity: 1; transform: none; }
.toast.err { background: var(--nx-red); }

.muted { color: var(--nx-gray-light); font-size: 11.5px; }
.src-note { font-size: 11px; color: var(--nx-gray-light); border-left: 2px solid var(--nx-primary-200); padding-left: 9px; margin: 10px 0; line-height: 1.55; }

.footer-actions {
  display: flex; gap: 10px; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--nx-line); padding-top: 16px; margin-top: 6px;
}

@media print {
  .sidebar, .topbar, .toolbar, .footer-actions { display: none !important; }
  .panel { display: block !important; }
  .card { break-inside: avoid; box-shadow: none; }
}