/* 1to1 — The Dossier
   Dark-first editorial palette, generous whitespace, mono accents */

:root {
  /* Dossier — dark (default) — cool slate */
  --bg: #0B0D10;
  --surface: #14171B;
  --surface-2: #1D2127;
  --surface-3: #252A30;
  --border: #252A30;
  --border-soft: #1B1F24;
  --text: #EDEEF1;
  --text-2: #8B9099;
  --text-3: #595F66;
  --accent: #8FB37A;        /* sage */
  --accent-soft: #1B2418;
  --accent-ink: #131A11;
  --success: #7FA068;
  --warning: #C99A4A;
  --danger: #B85C5C;

  /* Type */
  --serif: "Newsreader", "Tiempos Headline", Georgia, serif;
  --sans: "Söhne", "Switzer", "Inter", -apple-system, system-ui, sans-serif;
  --mono: "Berkeley Mono", "JetBrains Mono", "Geist Mono", ui-monospace, monospace;

  /* Density */
  --pad-card: 24px;
  --pad-list: 16px;
  --pad-edge: 24px;
  --rad: 12px;
  --rad-sm: 8px;

  /* Motion */
  --spring-fast: 180ms cubic-bezier(.2,.8,.2,1);
  --spring-med: 280ms cubic-bezier(.2,.8,.2,1);
}

[data-theme="light"] {
  --bg: #F4F2EE;
  --surface: #FFFFFF;
  --surface-2: #ECE9E2;
  --surface-3: #DBD7CD;
  --border: #DBD7CD;
  --border-soft: #E6E2D8;
  --text: #0F1115;
  --text-2: #555861;
  --text-3: #8A8D94;
  --accent: #5C7E48;
  --accent-soft: #E0E8D5;
  --accent-ink: #F1F6EA;
}

[data-density="compact"] {
  --pad-card: 18px;
  --pad-list: 12px;
  --pad-edge: 20px;
}

* { box-sizing: border-box; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  font-feature-settings: "ss01", "cv11";
}

/* Typographic primitives ------------------------------------------------- */
.serif { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
.serif-i { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.005em; }
.mono { font-family: var(--mono); font-feature-settings: "tnum"; letter-spacing: 0; }
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}
.muted { color: var(--text-2); }
.muted-2 { color: var(--text-3); }
.accent { color: var(--accent); }

/* Phone shell content: edge padding controlled here ---------------------- */
.screen {
  background: var(--bg);
  color: var(--text);
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.screen::-webkit-scrollbar { display: none; }

.screen-pad { padding: 0 var(--pad-edge); }

/* Top bar inside iPhone safe area --------------------------------------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px var(--pad-edge) 14px;
}
.topbar h1 { margin: 0; font: 400 22px/1 var(--serif); letter-spacing: -0.01em; }
.icon-btn {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border);
  display: grid; place-items: center; color: var(--text-2);
  cursor: pointer; transition: var(--spring-fast);
}
.icon-btn:hover { color: var(--text); border-color: var(--surface-3); }

/* Card primitives -------------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--rad);
  padding: var(--pad-card);
}
.card-2 {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--rad);
  padding: var(--pad-card);
}

/* Divider with dotted perforation feel ---------------------------------- */
.perf {
  height: 1px;
  background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 6px 1px;
  background-repeat: repeat-x;
  background-position: 0 50%;
  margin: 20px 0;
}

/* Buttons --------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 22px; border-radius: 999px; border: none;
  font: 500 15px/1 var(--sans); cursor: pointer;
  transition: var(--spring-fast);
}
.btn-primary {
  background: var(--accent); color: #0E0D0B;
  font-weight: 600;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px -8px var(--accent); }
.btn-primary:active { transform: scale(0.98); }
.btn-ghost {
  background: transparent; color: var(--text); border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--text-3); }
.btn-block { width: 100%; }

/* Pill / chip ----------------------------------------------------------- */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 999px;
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border);
  font-size: 13px;
}
.pill.accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }

/* Stat cell ------------------------------------------------------------- */
.stat-num { font: 500 28px/1 var(--mono); letter-spacing: -0.02em; }
.stat-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); margin-top: 6px; }

/* Section header (serif italic accent, per brief) ----------------------- */
.section-h {
  font: italic 400 22px/1 var(--serif);
  color: var(--accent);
  letter-spacing: -0.005em;
  margin: 0 0 14px;
}

/* Editorial pull-quote -------------------------------------------------- */
.pullquote {
  font: italic 400 26px/1.25 var(--serif);
  color: var(--text);
  letter-spacing: -0.01em;
}

/* Sticky bottom CTA inside screen --------------------------------------- */
.sticky-cta {
  position: sticky; bottom: 0;
  padding: 16px var(--pad-edge) calc(16px + env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--bg) 60%, transparent);
}

/* Avatar ---------------------------------------------------------------- */
.avatar { border-radius: 12px; object-fit: cover; display: block; background: var(--surface-2); }

/* Subtle paper grain on light --------------------------------------------*/
.grain::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9' /><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.04 0' /></filter><rect width='200' height='200' filter='url(%23n)' /></svg>");
  mix-blend-mode: overlay;
  opacity: 0.6;
}

/* Form field ------------------------------------------------------------ */
.field {
  display: block; width: 100%;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--rad-sm); padding: 14px 14px;
  color: var(--text); font: 400 15px/1.4 var(--sans);
  resize: none; outline: none;
  transition: var(--spring-fast);
}
.field:focus { border-color: var(--accent); }

/* Recording indicator pulse -------------------------------------------- */
@keyframes rec-pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent); opacity: 1; }
  50% { box-shadow: 0 0 0 12px transparent; opacity: 0.85; }
}
.rec-dot {
  width: 10px; height: 10px; border-radius: 50%; background: var(--accent);
  animation: rec-pulse 1.6s ease-in-out infinite;
}

/* Page transitions ----------------------------------------------------- */
.page-in { animation: pgin 320ms cubic-bezier(.2,.8,.2,1); }
@keyframes pgin {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* List row ------------------------------------------------------------ */
.row {
  display: flex; align-items: center; gap: 14px;
  padding: var(--pad-list) 0;
  border-bottom: 1px solid var(--border-soft);
}
.row:last-child { border-bottom: none; }

/* Cross-pollination diagram ------------------------------------------- */
.cp-svg circle.node { fill: var(--surface-2); stroke: var(--border); }
.cp-svg circle.node-self { fill: var(--accent-soft); stroke: var(--accent); }
.cp-svg line.edge { stroke: var(--accent); stroke-opacity: 0.5; }
.cp-svg text { font: 500 10px var(--mono); fill: var(--text-2); }

/* Used in canvas labels */
.label-mono { font: 500 11px var(--mono); color: var(--text-3); letter-spacing: 0.06em; text-transform: uppercase; }