/* ============================================================
   Y. J. Trivedi & Co. — Legal AI Console
   Design: "The Registry" — fountain-pen ink + brass seal on
   document gray. Mono carries every filing reference.
   ============================================================ */

:root {
  --paper:      #f4f5f3;   /* document gray-white */
  --surface:    #ffffff;
  --ink:        #1b2a3a;   /* fountain-pen indigo-black */
  --ink-soft:   #41505f;
  --ink-faint:  #7c8893;
  --line:       #dcdfdb;   /* hairline rules */
  --line-soft:  #e8eae6;
  --brass:      #9a6a2f;   /* registry seal / signature */
  --brass-deep: #7c5424;
  --brass-tint: #f3ead9;
  --oxblood:    #9b2c2c;
  --forest:     #2f6b4f;
  --amber:      #b7791f;

  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --sans:  "Poppins", "Inter", system-ui, -apple-system, sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* M37Labs brand (login + sidebar) */
  --m37-bg:      #0a0a0b;
  --m37-surface: #15171c;
  --m37-line:    #262a31;
  --m37-text:    #e7e9ee;
  --m37-faint:   #9aa3b0;
  --m37-blue:    #2563eb;
  --m37-violet:  #7c3aed;

  --shadow: 0 1px 2px rgba(27,42,58,.04), 0 8px 24px rgba(27,42,58,.06);
  --radius: 4px;
}

* { box-sizing: border-box; }

html, body { margin: 0; height: 100%; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

code, .mono { font-family: var(--mono); }

button { font-family: inherit; cursor: pointer; }

[hidden] { display: none !important; }

/* ============================================================
   LOGIN — M37Labs format (dark, Poppins, gradient glow)
   ============================================================ */
.login {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: var(--m37-bg);
  color: var(--m37-text);
  position: relative;
  overflow: hidden;
}
.login__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 48% at 50% -4%, rgba(37,99,235,.30), transparent 70%),
    radial-gradient(46% 38% at 84% 108%, rgba(124,58,237,.22), transparent 70%);
  pointer-events: none;
}

.cover {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 400px;
  background: var(--m37-surface);
  border: 1px solid var(--m37-line);
  border-radius: 14px;
  box-shadow: 0 24px 64px rgba(0,0,0,.5);
  padding: 42px 38px 30px;
  text-align: center;
}

.cover__logo { width: 152px; height: auto; display: block; margin: 0 auto 28px; filter: brightness(0) invert(1); }
.cover__title { font-size: 26px; font-weight: 600; margin: 0 0 5px; color: #fff; letter-spacing: -.2px; }
.cover__sub { color: var(--m37-faint); font-size: 13.5px; margin: 0 0 28px; }

.login-form { text-align: left; display: grid; gap: 14px; }
.login .field__label { color: #aeb6c2; }
.login .field input {
  background: #0e1014;
  border: 1px solid var(--m37-line);
  color: #fff;
}
.login .field input:focus {
  border-color: var(--m37-blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,.28);
}
.login-error {
  color: #fca5a5;
  background: rgba(155,44,44,.16);
  border: 1px solid rgba(155,44,44,.45);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 13px;
  margin: 0;
}
.login__foot { position: relative; z-index: 1; margin-top: 22px; font-size: 12px; color: #6b7480; letter-spacing: .4px; }

/* ============================================================
   FIELDS & BUTTONS
   ============================================================ */
.field { display: grid; gap: 6px; }
.field__label { font-size: 12px; font-weight: 600; color: var(--ink-soft); letter-spacing: .2px; }
.field input, .field select, .field textarea,
.search-input, .review-form input {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 11px;
  width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus,
.search-input:focus, .review-form input:focus {
  outline: none;
  border-color: var(--brass);
  box-shadow: 0 0 0 3px rgba(154,106,47,.15);
}

.btn {
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .2px;
  transition: background .15s, border-color .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn--seal { background: var(--brass); color: #fff; }
.btn--seal:hover:not(:disabled) { background: var(--brass-deep); }
.btn--primary { background: linear-gradient(135deg, var(--m37-blue), var(--m37-violet)); color: #fff; width: 100%; padding: 12px; font-size: 15px; }
.btn--primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover:not(:disabled) { background: #0f1c29; }
.btn--ghost { background: transparent; border-color: var(--line); color: var(--ink-soft); }
.btn--ghost:hover { border-color: var(--ink-faint); color: var(--ink); }
.btn--sm { padding: 6px 12px; font-size: 12px; }

.link { background: none; border: none; color: var(--brass); font: inherit; text-decoration: underline; padding: 0; }

:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }

/* ============================================================
   APP SHELL
   ============================================================ */
.app { display: grid; grid-template-columns: 264px 1fr; min-height: 100%; }

.sidebar {
  background: var(--ink);
  color: #c8d0d8;
  display: flex;
  flex-direction: column;
  padding: 24px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar__brand { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; padding: 0 6px 22px; border-bottom: 1px solid rgba(255,255,255,.1); }
.sidebar__logo { width: 124px; height: auto; filter: brightness(0) invert(1); }
.sidebar__firmsub { font-size: 11px; color: #8896a3; margin: 0; letter-spacing: .4px; text-transform: uppercase; }

.nav { display: flex; flex-direction: column; gap: 2px; margin-top: 18px; flex: 1; }
.nav__item {
  display: flex; align-items: baseline; gap: 12px;
  text-align: left;
  background: transparent;
  border: none;
  color: #aab4be;
  padding: 11px 12px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  transition: background .12s, color .12s;
}
.nav__item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav__item.is-active { background: var(--brass); color: #fff; }
.nav__item.is-active .nav__no { color: rgba(255,255,255,.7); }
.nav__no { font-family: var(--mono); font-size: 11px; color: #6b7884; }

.sidebar__foot { border-top: 1px solid rgba(255,255,255,.1); padding-top: 16px; display: grid; gap: 10px; }
.status { display: flex; align-items: center; gap: 8px; font-size: 12px; font-family: var(--mono); color: #8896a3; margin: 0; }
.status__dot { width: 8px; height: 8px; border-radius: 50%; background: #6b7884; }
.status.is-ok .status__dot { background: var(--forest); box-shadow: 0 0 0 3px rgba(47,107,79,.25); }
.status.is-bad .status__dot { background: var(--oxblood); }
.sidebar__user { font-size: 12px; color: #8896a3; margin: 0; }
.sidebar__user strong { color: #fff; }

.content { padding: 40px 48px 64px; max-width: 1080px; }

/* views */
.view { display: none; animation: rise .25s ease; }
.view.is-active { display: block; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.view__head { margin-bottom: 24px; }
.view__title { font-family: var(--serif); font-weight: 600; font-size: 26px; margin: 0 0 4px; }
.view__sub { color: var(--ink-faint); margin: 0; font-size: 14px; max-width: 60ch; }

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

/* ---------- doc-type stamp ---------- */
.stamp {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--brass-deep);
  background: var(--brass-tint);
  border: 1px solid #e6d5b6;
  padding: 3px 8px;
  border-radius: 3px;
}

/* ============================================================
   DOCUMENTS
   ============================================================ */
.doc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.doc-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s, transform .1s;
}
.doc-card:hover { border-color: var(--brass); box-shadow: var(--shadow); transform: translateY(-2px); }
.doc-card__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.doc-card__id { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); }
.doc-card__parties { font-family: var(--serif); font-size: 16px; line-height: 1.35; margin: 0 0 10px; }
.doc-card__parties .v { color: var(--ink-faint); font-style: italic; font-size: 13px; }
.doc-card__meta { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-family: var(--mono); font-size: 11px; color: var(--ink-soft); background: var(--paper); border: 1px solid var(--line-soft); padding: 2px 7px; border-radius: 3px; }
.tag--ocr { color: var(--amber); border-color: #ecdcbb; background: #fbf3e2; }

/* ============================================================
   SEARCH
   ============================================================ */
.search-form { display: grid; gap: 16px; }
.search-form__main { display: flex; gap: 10px; }
.search-input { flex: 1; font-size: 15px; }
.modes { display: flex; gap: 8px; }
.mode { flex: 1; }
.mode input { position: absolute; opacity: 0; }
.mode span {
  display: flex; flex-direction: column; gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 12px;
  font-size: 13px; font-weight: 600;
  transition: border-color .12s, background .12s;
}
.mode small { font-weight: 400; color: var(--ink-faint); font-size: 11px; }
.mode input:checked + span { border-color: var(--brass); background: var(--brass-tint); }
.mode input:focus-visible + span { outline: 2px solid var(--brass); outline-offset: 2px; }

.filters summary { cursor: pointer; font-size: 13px; font-weight: 600; color: var(--ink-soft); padding: 4px 0; }
.filters__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-top: 12px; }

.results { margin-top: 22px; display: grid; gap: 12px; }
.results__head { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); letter-spacing: .5px; }
.hit {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brass);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.hit__top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 8px; }
.hit__loc { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.hit__section { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .5px; }
.hit__score { font-family: var(--mono); font-size: 12px; color: var(--brass-deep); background: var(--brass-tint); padding: 2px 8px; border-radius: 3px; white-space: nowrap; }
.hit__snippet { font-family: var(--serif); font-size: 15px; line-height: 1.5; color: var(--ink); margin: 0; }

/* ============================================================
   DRAFT
   ============================================================ */
.draft-form__grid, .filters__grid { gap: 14px; }
.draft-form__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.field--wide { grid-column: span 2; }
.field--full { grid-column: 1 / -1; }
.draft-form__actions { display: flex; align-items: center; gap: 16px; margin-top: 18px; }
.hint { font-size: 12px; color: var(--ink-faint); font-style: italic; }

.draft-result { margin-top: 24px; }
.filing {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0;
  overflow: hidden;
}
.filing__bar { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--paper); }
.filing__bar h3 { font-family: var(--serif); font-size: 16px; margin: 0; }
.filing__body {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-wrap: break-word;
  padding: 24px 28px;
  max-height: 560px;
  overflow-y: auto;
  color: #25323f;
}
/* highlight bracketed placeholders inside drafts */
.ph { background: #fbf3e2; color: var(--brass-deep); border: 1px solid #ecdcbb; border-radius: 3px; padding: 0 3px; font-weight: 600; }

.aside-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.mini { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.mini h4 { font-family: var(--serif); font-size: 14px; margin: 0 0 10px; display: flex; justify-content: space-between; }
.mini h4 .count { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); }
.mini ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 7px; }
.mini li { font-size: 13px; display: flex; gap: 8px; align-items: baseline; }
.mini li .mono { font-size: 12px; }
.cited-link { color: var(--brass); cursor: pointer; text-decoration: underline; }

/* ============================================================
   REVIEW
   ============================================================ */
.review-form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px; }
.review-form .field { min-width: 160px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); }

.verdict { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-radius: var(--radius); margin: 22px 0 14px; font-weight: 600; }
.verdict--pass { background: #e8f3ed; border: 1px solid #bfe0cd; color: var(--forest); }
.verdict--fail { background: #fbecec; border: 1px solid #f0cccc; color: var(--oxblood); }
.issue { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 13px 16px; display: grid; gap: 4px; margin-bottom: 10px; }
.issue__top { display: flex; gap: 8px; align-items: center; }
.sev { font-family: var(--mono); font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: .8px; padding: 2px 7px; border-radius: 3px; }
.sev--error { background: #fbecec; color: var(--oxblood); }
.sev--warning { background: #fbf3e2; color: var(--amber); }
.sev--info { background: var(--paper); color: var(--ink-faint); }
.issue__code { font-family: var(--mono); font-size: 12px; color: var(--ink-soft); }
.issue__src { margin-left: auto; font-size: 11px; color: var(--ink-faint); font-family: var(--mono); }
.issue__msg { font-size: 14px; color: var(--ink); margin: 0; }

/* ============================================================
   STYLE GUIDES
   ============================================================ */
.style-form { display: flex; align-items: flex-end; gap: 16px; }
.style-result { margin-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.skeleton { counter-reset: step; list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.skeleton li { counter-increment: step; padding: 11px 0 11px 40px; border-bottom: 1px solid var(--line-soft); position: relative; font-size: 14px; }
.skeleton li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 11px; font-family: var(--mono); font-size: 12px; color: var(--brass); }
.conv { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.conv li { font-size: 13.5px; line-height: 1.55; padding-left: 16px; border-left: 2px solid var(--brass-tint); }

/* ============================================================
   UPLOAD
   ============================================================ */
.dropzone {
  background: var(--surface);
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  transition: border-color .15s, background .15s;
}
.dropzone.is-drag { border-color: var(--brass); background: var(--brass-tint); }
.dropzone__title { font-family: var(--serif); font-size: 18px; margin: 0 0 4px; }
.dropzone__or { color: var(--ink-faint); font-size: 13px; margin: 0 0 18px; }
.upload-queue { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 6px; max-width: 460px; margin-inline: auto; }
.upload-queue li { font-family: var(--mono); font-size: 12px; color: var(--ink-soft); background: var(--paper); border: 1px solid var(--line-soft); border-radius: 3px; padding: 6px 10px; text-align: left; }
.upload-result { margin-top: 22px; }

/* ============================================================
   OVERLAY + TOAST + states
   ============================================================ */
.overlay { position: fixed; inset: 0; background: rgba(27,42,58,.5); display: flex; align-items: flex-start; justify-content: center; padding: 48px 24px; z-index: 50; overflow-y: auto; }
.overlay__panel { background: var(--surface); border-radius: var(--radius); max-width: 800px; width: 100%; box-shadow: 0 24px 64px rgba(0,0,0,.3); position: relative; padding: 32px; border-top: 3px solid var(--brass); }
.overlay__close { position: absolute; top: 14px; right: 16px; background: none; border: none; font-size: 26px; line-height: 1; color: var(--ink-faint); }
.overlay__close:hover { color: var(--ink); }
.detail__title { font-family: var(--serif); font-size: 22px; margin: 0 0 6px; }
.detail__meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.detail__section { margin: 16px 0; }
.detail__section h4 { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--brass-deep); margin: 0 0 6px; }
.detail__section p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--ink-soft); white-space: pre-wrap; }
.tbl { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 13px; }
.tbl th, .tbl td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; font-family: var(--mono); }
.tbl th { background: var(--paper); }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 11px 20px; border-radius: var(--radius); font-size: 14px; box-shadow: 0 8px 24px rgba(0,0,0,.25); z-index: 60; }
.toast--bad { background: var(--oxblood); }

.spinner { display: inline-block; width: 15px; height: 15px; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; vertical-align: -2px; margin-right: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }

.working { display: flex; align-items: center; gap: 14px; padding: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); margin-top: 22px; }
.working .spinner { border-color: rgba(154,106,47,.3); border-top-color: var(--brass); width: 22px; height: 22px; }
.working p { margin: 0; font-size: 14px; }
.working .timer { font-family: var(--mono); color: var(--ink-faint); font-size: 13px; }

.empty { color: var(--ink-faint); font-size: 14px; padding: 28px; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 12px; }
  .nav { flex-direction: row; flex-wrap: wrap; margin: 0; flex: 1 1 100%; order: 3; }
  .nav__item { flex: 1 0 auto; }
  .sidebar__foot { border: none; padding: 0; flex: 1; }
  .content { padding: 24px; }
  .draft-form__grid, .style-result, .aside-cards { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}