/* =====================================================================
   LXF Toolbox — styled to match the Play Institute site.
   Dark, pop-industrial. Archivo display + IBM Plex Mono workhorse.
   Subverted brick primaries; clay-red accent on cool graphite ink.
   ===================================================================== */
:root {
  /* brand primitives */
  --clay-300: #FF8E73; --clay-400: #F4623F; --clay-500: #E5442A; --clay-600: #C2351C;
  --ochre-500: #E5A013; --steel-500: #5E83A0;

  --ink-950: #0F1015; --ink-900: #15161C; --ink-850: #1B1C23; --ink-800: #22242C;
  --ink-750: #2B2D36; --ink-700: #383A45; --ink-600: #474A56; --ink-500: #5E616F; --ink-400: #7B7E8C;

  --paper-100: #F4F2EC; --paper-200: #E4E1D8;

  --bg: var(--ink-950);
  --surface: var(--ink-900);
  --surface-2: var(--ink-850);
  --surface-raised: var(--ink-800);
  --surface-hover: var(--ink-750);

  --fg-1: var(--paper-100); --fg-2: #B7B5AD; --fg-3: #87867E; --fg-4: #5E5E60;

  --border: var(--ink-700); --border-soft: var(--ink-600); --border-strong: var(--ink-500);

  --accent: var(--clay-500); --accent-hover: var(--clay-400); --accent-press: var(--clay-600);
  --success: #46B45E; --danger: var(--clay-500);
  --focus-ring: var(--clay-400);
  --selection: color-mix(in oklab, var(--clay-500) 35%, transparent);

  --font-display: "Archivo", system-ui, sans-serif;
  --font-sans: "Archivo", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --tracking-display: -0.025em; --tracking-tight: -0.01em; --tracking-label: 0.14em;

  --gutter: clamp(1.25rem, 4vw, 3rem);
  --r-1: 3px; --r-2: 6px; --r-3: 10px; --r-pill: 999px;
  --dur-1: 120ms; --dur-2: 220ms; --dur-3: 420ms;
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --shadow-2: 0 4px 14px rgba(0,0,0,0.45);
  --shadow-3: 0 18px 50px -12px rgba(0,0,0,0.7);
}

* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg-1);
  font-family: var(--font-sans);
  font-size: 15px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  display: flex; flex-direction: column; min-height: 100vh;
}
::selection { background: var(--selection); }
a { color: inherit; text-decoration: none; }
code, .mono {
  font-family: var(--font-mono); font-size: .88em;
  background: var(--surface-2); padding: .12em .42em; border-radius: var(--r-1);
  border: 1px solid var(--border);
}

/* ---- interactive baseplate + grain (behind everything) ---- */
.baseplate { position: fixed; inset: 0; z-index: -1; pointer-events: none; }
.v2grain {
  position: fixed; inset: -50%; z-index: 80; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.05; animation: grain 1.2s steps(4) infinite;
}
@media (prefers-reduced-motion: reduce) { .v2grain { animation: none; } }
@keyframes grain {
  0% { transform: translate(0,0); } 25% { transform: translate(-2%,1.4%); }
  50% { transform: translate(1.2%,-1.8%); } 75% { transform: translate(-1.4%,-0.8%); } 100% { transform: translate(0,0); }
}

/* ---- kicker / label helpers ---- */
.kicker {
  font-family: var(--font-mono); font-weight: 600; font-size: 13px;
  text-transform: uppercase; letter-spacing: var(--tracking-label); color: var(--accent);
}
.label {
  font-family: var(--font-mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: var(--tracking-label); color: var(--fg-3);
}

/* ---- top bar ---- */
.topbar {
  position: sticky; top: 0; z-index: 60;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--gutter); height: 72px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo { display: block; height: 40px; width: auto; object-fit: contain; }
.brand-divider { width: 1px; height: 26px; background: var(--border-strong); }
.brand-name {
  font-family: var(--font-mono); color: var(--fg-2); font-weight: 600; font-size: 13px;
  text-transform: uppercase; letter-spacing: var(--tracking-label);
}
.user-menu { display: flex; align-items: center; gap: 16px; }
.user-name { font-family: var(--font-mono); color: var(--fg-2); font-size: 13px; }

/* ---- layout ---- */
.container { width: 100%; max-width: 820px; margin: 0 auto; padding: 40px var(--gutter) 64px; flex: 1; }
.intro h1, .result-head h1, .login-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2rem, 4.2vw, 3rem); line-height: 1.02;
  letter-spacing: var(--tracking-display); font-variation-settings: "wdth" 112;
  margin: 0 0 12px; text-wrap: balance;
}
.intro h1 em, .result-head h1 em, .login-title em { font-style: normal; color: var(--accent); }
.intro .kicker { display: block; margin-bottom: 16px; }
.intro p { font-family: var(--font-mono); color: var(--fg-2); font-size: 15px; line-height: 1.65; margin: 0 0 26px; max-width: 62ch; }

/* ---- cards (solid, readable over the baseplate) ---- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-2);
  padding: 24px; margin-bottom: 18px; box-shadow: var(--shadow-2);
}
.card h2 { font-family: var(--font-sans); font-weight: 700; font-size: 17px; margin: 0 0 16px; letter-spacing: -.01em; }
.step { display: flex; align-items: center; gap: 11px; }
.step-num {
  display: grid; place-items: center; width: 22px; height: 22px; border-radius: var(--r-1);
  background: var(--accent); color: #fff; font-family: var(--font-mono); font-size: 12px; font-weight: 600; flex: none;
}

/* ---- dropzone ---- */
.dropzone {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  border: 1.5px dashed var(--border-soft); border-radius: var(--r-2);
  padding: 38px 20px; text-align: center; cursor: pointer;
  transition: border-color var(--dur-2), background var(--dur-2); background: var(--surface-2);
}
.dropzone:hover { border-color: var(--accent); }
.dropzone.dragging { border-color: var(--accent); background: color-mix(in srgb, var(--clay-500) 12%, var(--surface-2)); }
.dropzone.has-file { border-style: solid; border-color: var(--success); background: color-mix(in srgb, var(--success) 10%, var(--surface-2)); }
.dropzone-icon { font-size: 30px; }
.dropzone-text { color: var(--fg-1); font-family: var(--font-mono); font-size: 14px; }
.dropzone-hint { color: var(--fg-3); font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: var(--tracking-label); }
.file-input { position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; }

/* ---- tool grid ---- */
.tool-grid { display: grid; gap: 12px; }
.tool-option { display: block; cursor: pointer; }
.tool-option input[type=radio] { position: absolute; opacity: 0; width: 0; height: 0; }
.tool-card {
  display: block; border: 1px solid var(--border); border-radius: var(--r-2);
  padding: 16px 18px; transition: border-color var(--dur-2), background var(--dur-2), box-shadow var(--dur-2);
  background: var(--surface-raised);
}
.tool-option:hover .tool-card { border-color: var(--border-strong); }
.tool-option input:checked + .tool-card {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--clay-500) 8%, var(--surface-raised));
  box-shadow: 0 0 0 1px var(--accent);
}
.tool-option input:focus-visible + .tool-card { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.tool-name { display: block; font-family: var(--font-sans); font-weight: 700; margin-bottom: 4px; letter-spacing: -.005em; }
.tool-blurb { display: block; font-family: var(--font-mono); color: var(--fg-2); font-size: 13px; line-height: 1.55; }
.tool-opts { display: grid; gap: 9px; margin-top: 13px; padding-top: 13px; border-top: 1px solid var(--border); }
.opt-check { display: flex; align-items: flex-start; gap: 9px; font-family: var(--font-mono); font-size: 13px; color: var(--fg-2); cursor: pointer; }
.opt-check input { margin-top: 2px; accent-color: var(--accent); }
.opt-text { display: flex; flex-direction: column; gap: 6px; font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); text-transform: uppercase; letter-spacing: var(--tracking-label); }

/* ---- inputs ---- */
.field { display: block; margin-bottom: 18px; }
.field-label { display: block; font-family: var(--font-mono); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: var(--tracking-label); color: var(--fg-3); margin-bottom: 8px; }
.input {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--r-1);
  background: var(--surface-2); color: var(--fg-1); font-family: var(--font-mono); font-size: 14px;
  transition: border-color var(--dur-2);
}
.input:focus { outline: none; border-color: var(--accent); }
.input-sm { padding: 8px 11px; font-size: 13px; max-width: 340px; text-transform: none; letter-spacing: 0; }

/* ---- buttons (mono, uppercase, industrial) ---- */
button, .btn-primary, .btn-secondary, .btn-ghost { font-family: var(--font-mono); cursor: pointer; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--accent); color: #fff; border: none; border-radius: var(--r-1);
  padding: 13px 22px; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
  transition: background var(--dur-2), transform var(--dur-1);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: .55; cursor: default; }
.btn-primary svg { width: 15px; height: 15px; }
.btn-lg { padding: 16px 28px; font-size: 14px; }
.btn-block { width: 100%; justify-content: center; }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 9px;
  background: transparent; color: var(--fg-1); border: 1px solid var(--border-strong); border-radius: var(--r-1);
  padding: 12px 20px; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
}
.btn-secondary:hover { border-color: var(--fg-2); background: var(--surface-hover); }
.btn-ghost {
  background: transparent; color: var(--fg-2); border: 1px solid var(--border); border-radius: var(--r-1);
  padding: 8px 14px; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
}
.btn-ghost:hover { color: var(--fg-1); border-color: var(--border-strong); }

.actions { display: flex; align-items: center; gap: 16px; margin-top: 8px; }

/* ---- flash ---- */
.flash {
  padding: 13px 16px; border-radius: var(--r-1); margin-bottom: 18px;
  font-family: var(--font-mono); font-size: 13.5px; border: 1px solid transparent;
}
.flash-error { background: color-mix(in srgb, var(--clay-500) 12%, var(--surface)); color: var(--clay-300); border-color: color-mix(in srgb, var(--clay-500) 40%, transparent); }
.flash-success { background: color-mix(in srgb, var(--success) 12%, var(--surface)); color: var(--success); }

/* ---- login ---- */
.login-wrap { display: flex; justify-content: center; padding-top: 6vh; }
.login-card { max-width: 400px; width: 100%; }
.login-hint { font-family: var(--font-mono); color: var(--fg-2); font-size: 13px; margin: 0 0 22px; }

/* ---- result ---- */
.result-head { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.result-check {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: var(--r-2);
  background: color-mix(in srgb, var(--success) 15%, transparent); color: var(--success);
  font-size: 22px; flex: none; border: 1px solid color-mix(in srgb, var(--success) 40%, transparent);
}
.result-source { font-family: var(--font-mono); color: var(--fg-3); margin: 4px 0 0; font-size: 13px; }
.summary-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.summary-list li { font-family: var(--font-mono); color: var(--fg-2); font-size: 14px; line-height: 1.55; padding-left: 20px; position: relative; }
.summary-list li::before { content: "›"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.download-card { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.download-name { font-family: var(--font-mono); margin: 6px 0; }
.download-note { font-family: var(--font-mono); color: var(--fg-3); font-size: 12px; margin: 0; }
.report-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.report-head strong { color: var(--accent); }

/* ---- table ---- */
.table-wrap { overflow-x: auto; margin-top: 16px; border: 1px solid var(--border); border-radius: var(--r-2); }
.report-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 13px; }
.report-table th, .report-table td { padding: 9px 13px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.report-table th { background: var(--surface-2); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; font-size: 11px; color: var(--fg-3); position: sticky; top: 0; }
.report-table td:nth-child(-n+4), .report-table th:nth-child(-n+4) { text-align: right; font-variant-numeric: tabular-nums; }
.report-table tr:last-child td { border-bottom: none; }
.report-table tbody tr:hover { background: var(--surface-2); }

.error-card { text-align: center; }

/* ---- processing overlay ---- */
.overlay {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.overlay[hidden] { display: none; }
.overlay-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-3);
  box-shadow: var(--shadow-3); width: 100%; max-width: 440px; padding: 32px 30px; text-align: center;
}
.spinner {
  width: 44px; height: 44px; margin: 0 auto 20px;
  border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.overlay-title { font-family: var(--font-sans); font-weight: 700; font-size: 16px; margin-bottom: 18px; }
.progress { position: relative; height: 8px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-pill); overflow: hidden; margin-bottom: 8px; }
.progress[hidden] { display: none; }
.progress-bar { height: 100%; width: 0; background: var(--accent); border-radius: var(--r-pill); transition: width .15s ease; }
.progress-pct { position: absolute; top: -22px; right: 0; font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); font-variant-numeric: tabular-nums; }
.progress.indeterminate .progress-bar { width: 40% !important; animation: indet 1.1s ease-in-out infinite; transition: none; }
.progress.indeterminate .progress-pct { display: none; }
@keyframes indet { 0% { margin-left: -40%; } 100% { margin-left: 100%; } }
.overlay-log { margin-top: 16px; text-align: left; max-height: 172px; overflow-y: auto; font-family: var(--font-mono); font-size: 12.5px; color: var(--fg-2); display: grid; gap: 6px; }
.log-line { opacity: 0; transform: translateY(4px); animation: logIn .25s ease forwards; }
.log-line::before { content: "› "; color: var(--accent); }
@keyframes logIn { to { opacity: 1; transform: none; } }

/* ---- footer ---- */
.footer {
  text-align: center; padding: 22px; font-family: var(--font-mono);
  color: var(--fg-4); font-size: 11px; text-transform: uppercase; letter-spacing: var(--tracking-label);
  border-top: 1px solid var(--border);
}

@media (max-width: 540px) {
  .container { padding: 26px 18px 48px; }
  .download-card { flex-direction: column; align-items: stretch; }
  .topbar { height: 60px; }
}