/* Saign — design tokens */
:root {
  /* Warm-neutral palette, low-saturation */
  --paper: #f7f5f0;
  --paper-2: #efece5;
  --ink: #1a1814;
  --ink-2: #4a463e;
  --ink-3: #8a8478;
  --line: #d8d3c7;
  --line-2: #e6e2d6;
  --card: #ffffff;
  /* Accents — single warm hue, restrained */
  --accent: #4a3a2a; /* deep walnut */
  --accent-2: #b8754a; /* burnt sienna */
  --positive: #3d6b4d;
  --warn: #a86b1a;
  --danger: #9a3a2a;

  --serif: "Source Serif 4", "Iowan Old Style", "Georgia", serif;
  --sans: "Inter", -apple-system, "Helvetica Neue", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

.saign-app, .saign-app * {
  box-sizing: border-box;
}
.saign-app {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  width: 100%;
  height: 100%;
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
}

/* logo mark */
.saign-mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.saign-mark-glyph {
  width: 22px;
  height: 22px;
  position: relative;
  flex-shrink: 0;
}
.saign-mark-glyph svg { width: 100%; height: 100%; display: block; }

/* primitives */
.btn {
  appearance: none;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font: 500 12px/1 var(--sans);
  letter-spacing: 0.005em;
  padding: 9px 14px;
  border-radius: 2px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background .12s, color .12s, border-color .12s;
}
.btn:hover { background: #2a261f; border-color: #2a261f; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { background: var(--paper-2); border-color: var(--ink-3); }
.btn-link {
  background: transparent;
  border: none;
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--ink-3);
  padding: 0;
  cursor: pointer;
  font: 500 12px/1 var(--sans);
}
.btn-link:hover { text-decoration-color: var(--ink); }
.btn-sm { padding: 6px 10px; font-size: 11px; }
.btn-lg { padding: 12px 18px; font-size: 13px; }

.field {
  display: flex; flex-direction: column; gap: 6px;
}
.field label {
  font: 500 11px/1 var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}
.field input, .field textarea, .field select {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--card);
  font: 400 13px/1.4 var(--sans);
  color: var(--ink);
  padding: 9px 11px;
  border-radius: 2px;
  outline: none;
  transition: border-color .12s, background .12s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--ink);
}
.field input::placeholder { color: var(--ink-3); }
.field-hint {
  font: 400 11px/1.4 var(--sans);
  color: var(--ink-3);
}
.field-error {
  font: 400 11px/1.4 var(--sans);
  color: var(--danger);
}

.divider { height: 1px; background: var(--line-2); border: 0; }
.kbd {
  font: 500 10px/1 var(--mono);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 3px 5px;
  color: var(--ink-2);
}

/* status pill */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 500 10.5px/1 var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 8px;
  border-radius: 2px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-2);
  white-space: nowrap;
}
.pill-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ink-3);
}
.pill[data-state="draft"] { color: var(--ink-2); }
.pill[data-state="draft"] .pill-dot { background: var(--ink-3); }
.pill[data-state="sent"] { color: var(--warn); border-color: #e8d4b0; background: #fbf4e6; }
.pill[data-state="sent"] .pill-dot { background: var(--warn); }
.pill[data-state="signed"] { color: var(--positive); border-color: #c8d8c8; background: #ecf2ec; }
.pill[data-state="signed"] .pill-dot { background: var(--positive); }
.pill[data-state="declined"] { color: var(--danger); border-color: #e0c8c4; background: #f6ebe7; }
.pill[data-state="declined"] .pill-dot { background: var(--danger); }
.pill[data-state="viewed"] { color: var(--ink-2); }

/* tables */
.tbl {
  width: 100%;
  border-collapse: collapse;
  font: 400 13px/1.4 var(--sans);
}
.tbl th, .tbl td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-2);
  vertical-align: middle;
}
.tbl th {
  font: 500 10.5px/1 var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  padding-top: 14px;
  padding-bottom: 14px;
  border-bottom-color: var(--line);
}
.tbl tr:hover td { background: rgba(0,0,0,0.015); }
.tbl tr:last-child td { border-bottom: 1px solid var(--line-2); }

/* small caps eyebrow */
.eyebrow {
  font: 500 11px/1 var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-3);
}

/* serif display */
.display {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.018em;
  color: var(--ink);
}

/* tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--line);
}
.tabs button {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 10px 14px;
  font: 500 12px/1 var(--sans);
  color: var(--ink-3);
  cursor: pointer;
  border-bottom: 1.5px solid transparent;
  margin-bottom: -1px;
  transition: color .12s, border-color .12s;
}
.tabs button:hover { color: var(--ink-2); }
.tabs button[aria-selected="true"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* checkbox */
.chk {
  appearance: none;
  width: 14px; height: 14px;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  margin: 0;
  flex-shrink: 0;
}
.chk:checked { background: var(--ink); border-color: var(--ink); }
.chk:checked::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10' fill='none' stroke='%23f7f5f0' stroke-width='1.6' stroke-linecap='round'%3E%3Cpath d='M2 5l2 2 4-4'/%3E%3C/svg%3E") center / 10px no-repeat;
}

/* avatar */
.avatar {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--paper-2);
  color: var(--ink-2);
  font: 500 10px/1 var(--sans);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  flex-shrink: 0;
}

/* PDF page mock */
.pdf-page {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.04);
  position: relative;
}
.pdf-line {
  height: 6px;
  background: linear-gradient(90deg, var(--paper-2) 0%, var(--paper-2) 100%);
  border-radius: 1px;
}
.pdf-h {
  height: 14px;
  background: var(--ink);
  opacity: 0.8;
  border-radius: 1px;
}

/* signature pad */
.sigpad {
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: 2px;
  position: relative;
  cursor: crosshair;
  overflow: hidden;
}
.sigpad-baseline {
  position: absolute;
  left: 16px; right: 16px;
  bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.sigpad-x {
  position: absolute;
  left: 16px;
  bottom: 16px;
  font-family: var(--serif);
  color: var(--ink-3);
  font-size: 14px;
}

/* nav */
.topnav {
  height: 52px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 24px;
  background: var(--paper);
  gap: 24px;
}
.sidenav {
  width: 220px;
  border-right: 1px solid var(--line);
  padding: 20px 16px;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sidenav-item {
  padding: 7px 10px;
  border-radius: 2px;
  font: 500 12px/1.2 var(--sans);
  color: var(--ink-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 9px;
}
.sidenav-item:hover { background: var(--paper-2); color: var(--ink); }
.sidenav-item[data-active="true"] {
  background: var(--ink);
  color: var(--paper);
}
.sidenav-item[data-active="true"] .sidenav-ico { color: var(--paper); }
.sidenav-section {
  font: 500 10px/1 var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  padding: 14px 10px 6px;
}
.sidenav-ico {
  width: 14px; height: 14px;
  color: var(--ink-3);
  display: inline-flex;
}

/* progress */
.progress {
  height: 2px;
  background: var(--line-2);
  border-radius: 0;
  overflow: hidden;
  position: relative;
}
.progress-bar {
  height: 100%;
  background: var(--ink);
  transition: width .3s ease;
}

/* stepper */
.stepper {
  display: flex;
  align-items: center;
  gap: 0;
  font: 500 11px/1 var(--sans);
  color: var(--ink-3);
}
.stepper-dot {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--card);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  flex-shrink: 0;
}
.stepper-step[data-active="true"] .stepper-dot {
  background: var(--ink); color: var(--paper); border-color: var(--ink);
}
.stepper-step[data-done="true"] .stepper-dot {
  background: var(--paper); color: var(--ink); border-color: var(--ink);
}
.stepper-step[data-active="true"] .stepper-label { color: var(--ink); }
.stepper-step {
  display: flex; align-items: center; gap: 8px;
  padding: 0 10px 0 0;
}
.stepper-line {
  flex: 1;
  height: 1px;
  background: var(--line);
  min-width: 24px;
}

/* card */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 2px;
}

/* skeleton shimmer */
@keyframes shimmer { 0% { background-position: -200px 0; } 100% { background-position: 200px 0; } }
.skel {
  background: linear-gradient(90deg, var(--paper-2) 0%, #f4f1ea 50%, var(--paper-2) 100%);
  background-size: 400px 100%;
  animation: shimmer 1.4s infinite linear;
  border-radius: 1px;
}

/* mono small */
.mono { font-family: var(--mono); font-size: 11px; }

/* ---------- PDF viewer (pdf.js rendered pages) ---------- */
.pdfv {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px;
}
.pdfv-page {
  position: relative;
  background: var(--card);
  box-shadow: 0 2px 8px rgba(26,24,20,0.08);
  max-width: 100%;
}
.pdfv-page canvas, .pdfv-page img { display: block; max-width: 100%; height: auto; }
.pdfv-loading {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  padding: 40px;
}

/* ---------- signature canvas ---------- */
.sigpad {
  width: 100%;
  height: 140px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: crosshair;
  touch-action: none;
  display: block;
}
.sigpad-placeholder {
  pointer-events: none;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font: 400 11px/1 var(--sans);
  color: var(--ink-3);
}

/* ---------- drop zone ---------- */
.dropzone {
  border: 1.5px dashed var(--line);
  background: var(--card);
  border-radius: 2px;
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color .12s, background .12s;
}
.dropzone[data-active="true"] {
  border-color: var(--accent-2);
  background: rgba(184,117,74,0.05);
}

/* file pill */
.file-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 6px 10px; border-radius: 2px;
  font-size: 12px;
}

/* ---------- PDF viewer v2: toolbar + overlay ---------- */
.pdfv-shell {
  display: flex; flex-direction: column;
  height: 100%; min-height: 0;
}
.pdfv-toolbar {
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 14px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  gap: 12px;
  font-family: var(--sans);
  font-size: 12px;
}
.pdfv-tb-group { display: flex; align-items: center; gap: 6px; }
.pdfv-tb-btn {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  width: 28px; height: 26px;
  border-radius: 2px;
  font: 500 12px/1 var(--sans);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.pdfv-tb-btn:hover:not(:disabled) { background: var(--paper-2); border-color: var(--ink-3); }
.pdfv-tb-btn:disabled { opacity: 0.35; cursor: default; }
.pdfv-tb-label { font: 500 11px/1 var(--mono); color: var(--ink-2); }
.pdfv-page-input {
  width: 38px; height: 26px;
  border: 1px solid var(--line);
  background: var(--card);
  font: 500 11px/1 var(--mono);
  color: var(--ink);
  text-align: center;
  outline: none;
  border-radius: 2px;
  -moz-appearance: textfield;
}
.pdfv-page-input::-webkit-outer-spin-button,
.pdfv-page-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.pdfv {
  flex: 1; min-height: 0;
  overflow: auto;
  padding: 16px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  background: var(--paper-2);
}

/* signature field overlay (placement + read-only display) */
.sigfield {
  position: absolute;
  border: 1.5px dashed var(--accent-2);
  background: rgba(184,117,74,0.08);
  display: flex; align-items: center; justify-content: center;
  font: 500 10px/1 var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-2);
  cursor: move;
  user-select: none;
  border-radius: 2px;
  transition: background .12s, border-color .12s;
}
.sigfield[data-signed="true"] {
  border-style: solid;
  border-color: var(--positive);
  background: transparent;
  cursor: default;
}
.sigfield[data-mine="true"] {
  border-color: var(--accent);
  background: rgba(74,58,42,0.12);
  color: var(--accent);
}
.sigfield-del {
  position: absolute;
  top: -10px; right: -10px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  border: none;
  font: 500 11px/1 var(--sans);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.sigfield-handle {
  position: absolute;
  bottom: -4px; right: -4px;
  width: 10px; height: 10px;
  background: var(--accent);
  cursor: nwse-resize;
}

/* sigfield placement canvas: subtle tint on hover so user knows it's clickable */
.sigfield-canvas[data-armed="true"]:hover {
  background: rgba(184,117,74,0.04);
}
.sigfield-canvas[data-armed="true"]:active {
  background: rgba(184,117,74,0.08);
}

/* Make sure the rendered PDF image never captures clicks meant for the overlay */
.pdfv-page > img { pointer-events: none; }