:root {
  --bg:           #faf8f3;
  --bg-raised:    #f4efe5;
  --bg-deep:      #ede6d6;
  --ink:          #1a1814;
  --ink-soft:     #5c5852;
  --ink-fade:     #8a857c;
  --rule:         #d6cfc0;
  --rule-soft:    #e6dfd0;
  --sage:         #4a6356;
  --sage-deep:    #324036;
  --copper:       #9b6e47;
  --copper-soft:  #c89e7a;
  --warn:         #a64e2b;
  --serif: "Fraunces", Georgia, serif;
  --sans:  "Inter", system-ui, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, monospace;
}

*,*::before,*::after { box-sizing: border-box; }

html, body { margin:0; padding:0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content:"";
  position: fixed; inset: 0;
  background-image:
    radial-gradient(rgba(26,24,20,0.025) 1px, transparent 1px),
    radial-gradient(rgba(26,24,20,0.018) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 2px;
  pointer-events: none;
  z-index: 0;
}

.wrap { position: relative; z-index: 1; }

code.path {
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--bg-raised);
  padding: 1px 6px;
  color: var(--ink);
}

/* ---------- header ---------- */
header.top {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
}
.top-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 22px 40px 18px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  font-family: var(--serif);
  font-weight: 500;
  font-variation-settings: "SOFT" 30, "WONK" 0, "opsz" 96;
  font-size: 28px;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink);
}
.brand .accent {
  color: var(--sage-deep);
  font-style: italic;
  font-variation-settings: "SOFT" 50, "WONK" 1, "opsz" 96;
}
.brand .sep {
  color: var(--rule);
  margin: 0 10px;
  font-weight: 300;
}
.who {
  text-align: right;
  font-size: 12.5px;
  color: var(--ink-soft);
  line-height: 1.4;
}
.who strong { color: var(--ink); font-weight: 500; }
.who .meta { font-family: var(--mono); font-size: 11px; color: var(--ink-fade); text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- masthead ---------- */
.masthead {
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 40px 36px;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
}
.masthead h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-variation-settings: "SOFT" 50, "WONK" 0, "opsz" 144;
  font-size: clamp(40px, 5.2vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 14px 0;
  color: var(--ink);
}
.masthead h1 em {
  font-style: italic;
  font-variation-settings: "SOFT" 80, "WONK" 1, "opsz" 144;
  color: var(--sage-deep);
}
.masthead p.lede {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0;
}
.masthead .stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 28px;
  padding: 4px 0 6px;
  border-left: 1px solid var(--rule);
  padding-left: 28px;
}
.stat .n {
  font-family: var(--serif);
  font-weight: 500;
  font-variation-settings: "opsz" 96;
  font-size: 30px;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat .l {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 10.5px;
  color: var(--ink-fade);
  margin-top: 8px;
}

/* ---------- main grid ---------- */
main.grid {
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 40px 80px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 56px;
}

.eyebrow {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 10.5px;
  color: var(--copper);
  margin: 0 0 18px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 18px; height: 1px; background: var(--copper);
}

.panel-title {
  font-family: var(--serif);
  font-weight: 500;
  font-variation-settings: "opsz" 96;
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 6px;
  color: var(--ink);
}
.panel-sub {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0 0 24px;
}

.drop {
  position: relative;
  border: 1px dashed var(--rule);
  background: var(--bg-raised);
  padding: 44px 32px;
  text-align: center;
  transition: background .25s ease, border-color .25s ease;
}
.drop.dragging { background: var(--bg-deep); border-color: var(--sage); border-style: solid; }
.drop::before, .drop::after {
  content:"";
  position:absolute;
  width:14px; height:14px;
  border: 1px solid var(--ink);
  background: var(--bg);
}
.drop::before { top:-6px; left:-6px; }
.drop::after  { bottom:-6px; right:-6px; }
.drop:hover { background: var(--bg-deep); border-color: var(--sage); }

.drop .glyph {
  font-family: var(--serif);
  font-size: 44px;
  line-height: 1;
  color: var(--sage-deep);
  font-variation-settings: "opsz" 96;
}
.drop .ttl {
  font-family: var(--serif);
  font-size: 22px;
  margin: 14px 0 4px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.drop .hint {
  font-size: 13.5px;
  color: var(--ink-soft);
  margin: 0 0 18px;
}
.drop .btn {
  display: inline-block;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--sans);
  font-weight: 500;
  font-size: 13px;
  padding: 11px 22px;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
}
.drop .btn:hover { background: var(--sage-deep); }
.drop .types {
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-fade);
}

.meta-form {
  margin-top: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 28px;
}
.meta-form .full { grid-column: 1 / -1; }
.field label {
  display: block;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 10.5px;
  color: var(--ink-fade);
  margin-bottom: 8px;
}
.field input[type="text"],
.field input[type="date"],
.field select,
.field textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  padding: 6px 0 8px;
  border-radius: 0;
  appearance: none;
  outline: none;
  transition: border-color .2s;
}
.field textarea { resize: vertical; min-height: 64px; }
.field input:focus,
.field select:focus,
.field textarea:focus { border-bottom-color: var(--sage-deep); }
.field select {
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%), linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%);
  background-position: calc(100% - 12px) 14px, calc(100% - 7px) 14px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 24px;
}

.submit-row {
  grid-column: 1 / -1;
  margin-top: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--rule-soft);
  padding-top: 18px;
}
.submit-row .left {
  font-size: 12.5px;
  color: var(--ink-soft);
}
.btn-primary {
  background: var(--sage-deep);
  color: var(--bg);
  border: none;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 13.5px;
  letter-spacing: 0.02em;
  padding: 12px 26px;
  cursor: pointer;
}
.btn-primary:hover { background: var(--ink); }

aside.recent { position: relative; }
aside.recent .head-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 6px;
}
aside.recent .filter-link {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 10.5px;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
}
aside.recent .filter-link:hover { color: var(--sage-deep); border-bottom-color: var(--sage-deep); }

.doc-list { margin-top: 20px; list-style: none; padding: 0; }
.doc {
  display: grid;
  grid-template-columns: 76px 1fr auto;
  align-items: start;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--rule-soft);
}
.doc:first-child { border-top: 1px solid var(--rule); }
.doc .when {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-fade);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-top: 3px;
  line-height: 1.45;
}
.doc .when .y { display: block; color: var(--ink-soft); }
.doc .body .title {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.25;
  color: var(--ink);
  margin: 0 0 4px;
}
.doc .body .sub { font-size: 12.5px; color: var(--ink-soft); line-height: 1.4; }
.doc .body .tags { margin-top: 8px; display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  background: var(--bg-raised);
  color: var(--ink-soft);
  border: 1px solid var(--rule);
}
.tag.sage { color: var(--sage-deep); border-color: var(--sage); background: rgba(74, 99, 86, 0.07); }
.tag.copper { color: var(--copper); border-color: var(--copper-soft); background: rgba(155, 110, 71, 0.07); }
.doc .status, .doc a.status {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 10px;
  color: var(--ink-fade);
  padding-top: 4px;
  text-align: right;
  text-decoration: none;
  display: inline-block;
}
.doc a.status:hover { text-decoration: underline; text-decoration-style: dotted; }
.doc .status.done, .doc a.status.done { color: var(--sage-deep); }
.doc .status.pending, .doc a.status.pending { color: var(--copper); }
.doc .status .dot {
  display: inline-block;
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
  margin-right: 5px;
  vertical-align: middle;
}

footer.foot {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 40px 60px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-fade);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: space-between;
}
footer.foot .privacy { color: var(--ink-soft); }
footer.foot .privacy strong { color: var(--ink); font-weight: 500; }

/* ---------- nav (header) ---------- */
.nav {
  display: flex; gap: 28px; align-items: baseline;
}
.nav-link {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  color: var(--ink-fade);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
}
.nav-link:hover { color: var(--ink); }
.nav-link.active {
  color: var(--sage-deep);
  border-bottom-color: var(--copper);
}

/* ---------- logout (header) ---------- */
.logout-form { display: inline; margin: 0; }
.logout-btn {
  background: none; border: none; cursor: pointer;
  font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.1em;
  font-size: 10.5px; color: var(--ink-fade);
  padding: 4px 0 0; margin: 0;
  border-bottom: 1px solid var(--rule);
}
.logout-btn:hover { color: var(--sage-deep); border-bottom-color: var(--sage-deep); }

/* ---------- flash ---------- */
.flash {
  max-width: 1180px;
  margin: 16px auto -8px;
  padding: 12px 24px;
  font-family: var(--sans);
  font-size: 13px;
  display: flex; align-items: center; gap: 12px;
  border-left: 3px solid;
}
.flash-dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: currentColor;
}
.flash-ok   { color: var(--sage-deep); background: rgba(74,99,86,0.06);  border-color: var(--sage-deep); }
.flash-warn { color: var(--copper);    background: rgba(155,110,71,0.06); border-color: var(--copper); }
.flash-err  { color: var(--warn);      background: rgba(166,78,43,0.06);  border-color: var(--warn); }

/* ---------- file picker summary ---------- */
.file-summary {
  margin-top: 14px;
  font-family: var(--mono); font-size: 11px;
  color: var(--sage-deep); text-transform: uppercase; letter-spacing: 0.1em;
  min-height: 14px;
}

/* ---------- doc list — tweaks ---------- */
.doc .body .title {
  color: var(--ink);
  text-decoration: none;
}
.doc .body .title:hover { color: var(--sage-deep); text-decoration: underline; text-decoration-style: dotted; }
.doc .body .sub { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 6px; }
.doc .body .sub .meta-inline {
  font-family: var(--mono); font-size: 10.5px; color: var(--ink-fade);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.doc .body .sub .warn { color: var(--warn); }
.doc .body .note {
  margin-top: 8px;
  font-family: var(--serif); font-size: 13px;
  color: var(--ink-soft); font-style: italic;
  padding-left: 12px; border-left: 2px solid var(--rule);
}
.doc .when .mo { color: var(--ink-fade); }
.empty {
  padding: 24px 22px; border: 1px dashed var(--rule);
  background: var(--bg-raised); font-size: 13.5px; color: var(--ink-soft);
  font-family: var(--serif); line-height: 1.55;
}
aside.recent .filter-link {
  font-family: var(--mono); font-size: 10.5px;
  color: var(--ink-fade); text-transform: uppercase; letter-spacing: 0.1em;
}

/* ---------- LOGIN page ---------- */
body.login-body {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 32px;
}
body.login-body::before {
  /* paper grain già definito sopra rimane */
}
.login-shell {
  width: 100%; max-width: 440px; position: relative; z-index: 1;
}
.login-card {
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: 44px 40px 36px;
  position: relative;
}
.login-card::before,
.login-card::after {
  content:""; position:absolute; width:18px; height:18px;
  border: 1px solid var(--ink); background: var(--bg);
}
.login-card::before { top:-9px; left:-9px; }
.login-card::after  { bottom:-9px; right:-9px; }

.login-title {
  font-family: var(--serif); font-weight: 500;
  font-variation-settings: "opsz" 144, "SOFT" 50;
  font-size: 38px; line-height: 1.05; letter-spacing: -0.025em;
  margin: 8px 0 4px; color: var(--ink);
}
.login-title em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 80, "WONK" 1;
  color: var(--sage-deep);
}
.login-title .sep { color: var(--rule); margin: 0 10px; font-weight: 300; }

.login-lede {
  font-family: var(--serif); font-weight: 300; font-size: 14.5px;
  color: var(--ink-soft); margin: 6px 0 28px; line-height: 1.55;
}
.login-error {
  font-family: var(--mono); font-size: 11px; color: var(--warn);
  text-transform: uppercase; letter-spacing: 0.1em;
  padding: 10px 14px; margin-bottom: 18px;
  background: rgba(166,78,43,0.06);
  border-left: 3px solid var(--warn);
}
.login-form .field { margin-bottom: 20px; }
.login-form input[type="text"],
.login-form input[type="password"] {
  width: 100%; background: transparent; border: none;
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans); font-size: 16px; color: var(--ink);
  padding: 8px 0 10px; outline: none;
  transition: border-color .2s;
}
.login-form input:focus { border-bottom-color: var(--sage-deep); }
.login-submit {
  display: block; width: 100%; margin-top: 24px;
  padding: 14px 0; font-size: 14px;
}
.login-foot {
  margin-top: 28px;
  font-family: var(--mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--ink-fade); text-align: center;
}

/* ====================================================
   CHAT PAGE
   ==================================================== */

body.chat-body {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
body.chat-body .top { flex: 0 0 auto; }

.chat-main {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
  max-width: 880px;
  width: 100%;
  margin: 0 auto;
  padding: 0 32px;
}

.chat-stream {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 32px 0 24px;
  scroll-behavior: smooth;
}

.chat-empty {
  max-width: 540px;
  margin: 64px auto 0;
  text-align: left;
}
.chat-empty .eyebrow { margin-bottom: 16px; }
.chat-empty-title {
  font-family: var(--serif);
  font-weight: 400;
  font-variation-settings: "opsz" 144, "SOFT" 50;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 16px;
}
.chat-empty-lede {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 56ch;
}

.msg {
  margin: 0 0 28px;
  max-width: 88%;
}
.msg-user {
  margin-left: auto;
  text-align: right;
}
.msg-assistant {
  margin-right: auto;
}
.msg-meta {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-fade);
  margin-bottom: 8px;
}
.msg-user .msg-meta { justify-content: flex-end; }
.msg-who { color: var(--sage-deep); font-weight: 500; }
.msg-user .msg-who { color: var(--copper); }

.msg-body {
  font-family: var(--serif);
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--ink);
  padding: 14px 18px;
  border-left: 2px solid var(--sage);
  background: var(--bg-raised);
}
.msg-user .msg-body {
  border-left: none;
  border-right: 2px solid var(--copper);
  background: transparent;
  font-family: var(--sans);
  font-size: 15.5px;
  font-weight: 400;
  color: var(--ink-soft);
}

.chat-composer {
  flex: 0 0 auto;
  display: flex;
  gap: 16px;
  align-items: flex-end;
  padding: 16px 0 24px;
  border-top: 1px solid var(--rule);
  background: var(--bg);
}
#chat-input {
  flex: 1 1 auto;
  resize: none;
  border: 1px solid var(--rule);
  background: var(--bg-raised);
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  padding: 12px 14px;
  line-height: 1.5;
  outline: none;
  max-height: 180px;
  min-height: 44px;
  transition: border-color .2s;
}
#chat-input:focus { border-color: var(--sage-deep); }
#chat-send {
  flex: 0 0 auto;
  align-self: stretch;
  padding: 0 22px;
  font-size: 13px;
}

/* ---------- responsive ---------- */
@media (max-width: 940px) {
  .masthead { grid-template-columns: 1fr; }
  .masthead .stats { border-left: none; padding-left: 0; border-top: 1px solid var(--rule); padding-top: 18px; }
  main.grid { grid-template-columns: 1fr; gap: 56px; }
  .top-inner, .masthead, main.grid, footer.foot { padding-left: 24px; padding-right: 24px; }
}