*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* ── CarePilot dark theme ──
     Brand color: olive green #6b7a3e. Palette built around it: a near-black
     slate base (not pure black, so surfaces still read as distinct layers),
     the olive as the primary interactive/brand color, a soft pale-olive tint
     for readable text accents, and a warm amber as a secondary accent for the
     central hub + highlighted callouts so the UI isn't monochrome green. */
  --bg: #14171a;              /* page background */
  --surface: #1b1f24;         /* header / sidebars / node fills */
  --raised: #242a31;          /* hover states, panel headers, raised blocks */
  --border: #333c44;          /* hairline borders */
  --muted: #8b95a1;           /* secondary / muted text */
  --body: #e8eaec;            /* primary text */

  --accent: #6b7a3e;          /* brand olive — solid fills, active states, primary border */
  --accent-light: #262d1a;    /* dark olive tint — hover backgrounds */
  --accent-dark: #c4d19f;     /* pale olive — readable titles / emphasis text on dark bg */

  --center: #c98a3a;          /* warm amber — secondary accent, hub + highlights */
  --center-light: #2c2313;    /* dark amber tint — backgrounds for amber accents */
  --center-text: #f0d8a8;     /* pale amber — text on dark amber panels */

  --radius-sm: 6px;
  --radius-md: 12px;
  --sidebar-w: 300px;
  --sidebar-patient-w: 360px;
  --sidebar-metadata-w: 390px;
  --panel-height: min(680px, calc(100vh - 92px));
  --transition: 180ms ease;
  --font-fa: 'Vazirmatn', Tahoma, 'Segoe UI', Arial, sans-serif;
}

body {
  font-family: var(--font-fa);
  background: var(--bg);
  color: var(--body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* ── Header ──
   3-column grid keeps the brand name perfectly centered no matter how wide
   the badge or subtitle text is. In RTL, column 1 sits on the right edge and
   column 3 on the left edge. */
header {
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  column-gap: 12px;
}
header .brand {
  justify-self: center;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-dark);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
header .badge {
  justify-self: start;
}
header .header-sub {
  justify-self: end;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}
.badge {
  font-size: 0.85rem;
  background: var(--accent-light);
  color: var(--accent-dark);
  border-radius: 99px;
  padding: 4px 14px;
  font-weight: 600;
  border: 1px solid var(--accent);
}

/* ── Layout: diagram + sidebars ── */
.layout {
  position: relative;
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Diagram area ── */
.diagram-wrap {
  flex: 1;
  min-width: 0; /* allow this flex item to actually shrink instead of forcing overflow */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  min-height: 0;
  transition: filter var(--transition);
}
.diagram-wrap.dimmed { filter: brightness(0.82); }
.layout.panels-open .diagram-wrap {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  align-items: flex-end;
  padding: calc(var(--panel-height) + 24px) 32px 24px;
  z-index: 1;
}

/* With three panels open, keep the diagram in a full-width layer below them.
   Otherwise the sidebars consume the horizontal flex space and clip the ring. */
.layout.panels-open .sidebar-group {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 5;
  width: 100%;
  height: var(--panel-height);
  justify-content: flex-start;
  background: var(--bg);
}
.layout.panels-open .sidebar {
  height: 100%;
}
.layout.panels-open .sidebar-inner {
  height: 100%;
}
.layout.panels-open .sidebar-list,
.layout.panels-open .patient-content,
.layout.panels-open .detail-content {
  min-height: 0;
  overflow-y: auto;
}
.layout.panels-open .patient-content {
  display: flex;
  justify-content: center;
}
.layout.panels-open .phone-preview {
  width: 100%;
  max-width: 320px;
  align-self: flex-start;
}

@media (min-width: 769px) {
  /* Keep the diagram above the panel row on desktop. */
  .layout.panels-open {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
  }
  .layout.panels-open .sidebar-group {
    position: relative;
    top: auto;
    right: auto;
    height: var(--panel-height);
    width: 100%;
    order: 2;
  }
  .layout.panels-open .diagram-wrap {
    position: relative;
    inset: auto;
    width: 100%;
    height: min(620px, calc(100vh - 92px));
    min-height: 520px;
    padding: 32px;
    align-items: center;
    order: 1;
  }
}

.diagram {
  position: relative;
  width: min(580px, 90vw);
  aspect-ratio: 1;
}

/* ── Center circle ── */
.center-node {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 158px; height: 158px;
  border-radius: 50%;
  background: var(--center);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.4;
  padding: 14px;
  box-shadow: 0 4px 24px rgba(201, 138, 58, 0.4);
  z-index: 2;
  letter-spacing: 0.02em;
}

/* ── Satellite circles ── */
.node {
  position: absolute;
  width: 112px; height: 112px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--accent);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.3;
  padding: 10px;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition), transform var(--transition);
  transform: translate(-50%, -50%);
  z-index: 2;
  user-select: none;
}
.node:hover {
  background: var(--accent-light);
  border-color: var(--accent-dark);
  box-shadow: 0 4px 18px rgba(107, 122, 62, 0.35);
  transform: translate(-50%, -50%) scale(1.06);
}
.node:focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}
.node.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent-dark);
  box-shadow: 0 4px 20px rgba(107, 122, 62, 0.5);
}

/* connecting lines via SVG */
.connector-svg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 1;
}
.connector-svg line {
  stroke: var(--border);
  stroke-width: 1.5;
}

/* ── Sidebars ── */
.sidebar-group {
  display: flex;
  height: 100%;
  overflow: hidden;
}

.sidebar {
  width: 0;
  overflow: hidden;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: width 220ms ease;
  flex-shrink: 0;
}
.sidebar.open { width: var(--sidebar-w); }
.sidebar.patient-panel.open { width: var(--sidebar-patient-w); }
.sidebar.metadata-panel.open { width: var(--sidebar-metadata-w); }

.sidebar-inner {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}
.sidebar.patient-panel .sidebar-inner {
  width: var(--sidebar-patient-w);
  min-width: var(--sidebar-patient-w);
}
.sidebar.metadata-panel .sidebar-inner {
  width: var(--sidebar-metadata-w);
  min-width: var(--sidebar-metadata-w);
}

.sidebar-header {
  padding: 16px 18px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--raised);
}
.sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-dark);
  line-height: 1.4;
}
.close-btn {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: var(--muted);
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.close-btn:hover { background: var(--raised); color: var(--body); }
.close-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.sidebar-list {
  list-style: none;
  overflow-y: auto;
  flex: 1;
  padding: 10px 0;
}
.sidebar-list li button {
  width: 100%;
  background: none;
  border: none;
  padding: 12px 18px;
  text-align: right;
  font-size: 0.95rem;
  color: var(--body);
  cursor: pointer;
  border-right: 3px solid transparent;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  font-family: inherit;
  line-height: 1.5;
}
.sidebar-list li button:hover {
  background: var(--raised);
  border-right-color: var(--accent);
  color: var(--accent-dark);
}
.sidebar-list li button.active {
  background: var(--accent-light);
  border-right-color: var(--accent);
  color: var(--accent-dark);
  font-weight: 600;
}
.sidebar-list li button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* ── Detail panel ── */
.detail-content {
  overflow-y: auto;
  flex: 1;
  padding: 18px;
}
.detail-content p,
.detail-content ul,
.detail-content li,
.detail-content .field-note {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--body);
}

.patient-content {
  overflow-y: auto;
  flex: 1;
  padding: 18px;
  background: #101315;
}
.patient-pages {
  display: grid;
  gap: 24px;
  width: 100%;
}
.phone-preview {
  max-width: 320px;
  margin: 0 auto;
  border: 8px solid #30363b;
  border-radius: 28px;
  background: #f4f6f1;
  color: #20251d;
  padding: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
}
.phone-status {
  display: flex;
  justify-content: space-between;
  font-size: .68rem;
  color: #697261;
  padding: 2px 5px 14px;
}
.phone-card {
  background: #fff;
  border-radius: 16px;
  padding: 18px 14px;
  box-shadow: 0 2px 8px rgba(27,35,25,.12);
}
.phone-page { width: 100%; margin: 0 auto; }
.patient-input {
  width: 100%;
  border: 1px solid #c9d2bd;
  border-radius: 11px;
  padding: 11px 12px;
  margin-bottom: 12px;
  font: inherit;
  color: #20251d;
  background: #fbfcf8;
}
.patient-options-label {
  color: #697261;
  font-size: .78rem;
  line-height: 1.6;
  margin: 4px 0 8px;
}
.patient-condition,
.patient-explanation {
  color: #697261;
  font-size: .78rem;
  line-height: 1.7;
  margin-bottom: 10px;
}
.patient-explanation {
  border-top: 1px solid #e0e5da;
  padding-top: 10px;
  margin-top: 12px;
}
.phone-kicker {
  color: #718244;
  font-size: .72rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.phone-question {
  font-size: 1rem;
  line-height: 1.8;
  font-weight: 700;
  margin-bottom: 16px;
}
.patient-options { display: grid; gap: 9px; }
.patient-option {
  border: 1px solid #d6dccb;
  border-radius: 11px;
  padding: 10px 11px;
  font-size: .82rem;
  line-height: 1.6;
  background: #fbfcf8;
}
.patient-muted { color: #697261; font-size: .84rem; line-height: 1.8; }
.metadata-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 7px;
  font-size: .82rem;
}
.metadata-table th,
.metadata-table td {
  padding: 10px;
  vertical-align: top;
  line-height: 1.65;
  background: var(--raised);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.metadata-table th {
  width: 38%;
  color: var(--accent-dark);
  border-right: 1px solid var(--border);
}
.metadata-table td {
  color: var(--body);
  border-left: 1px solid var(--border);
}
.metadata-extra {
  margin-top: 18px;
  padding-top: 15px;
  border-top: 1px solid var(--border);
}
.metadata-extra-title {
  color: var(--accent-dark);
  font-size: .86rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.metadata-extra p {
  color: var(--body);
  font-size: .88rem;
  line-height: 1.75;
  margin-bottom: 8px;
}
.detail-content .label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
  margin-top: 14px;
  display: block;
}
.detail-content .label:first-child { margin-top: 0; }
.detail-content .value-block {
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.95rem;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 2px;
}
.detail-content ul {
  padding-right: 18px;
  margin: 4px 0;
}
.detail-content li { margin-bottom: 3px; }
.detail-content .engine-note {
  background: var(--center-light);
  border: 1px solid #5a431f;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.92rem;
  color: var(--center-text);
  line-height: 1.6;
}
.detail-content .field-note {
  color: var(--muted);
  font-style: italic;
  margin-top: 6px;
}

/* ── Nutrition follow-up blocks ── */
.followup-block {
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--raised);
  border: 1px solid var(--border);
  border-right: 3px solid var(--accent);
  border-radius: var(--radius-sm);
}
.followup-block .label { margin-top: 0; }

/* ── Mobile: sidebars become overlay drawers instead of squeezing the diagram ── */
@media (max-width: 768px) {
  .layout {
    position: relative; /* anchor point for the fixed sidebars below */
  }

  .layout.panels-open .diagram-wrap {
    position: static;
    inset: auto;
    width: auto;
    height: auto;
    padding: 32px;
    align-items: center;
  }

  .diagram {
    width: min(420px, 88vw); /* a bit smaller so it always fits narrow phones */
  }

  /* clamp() keeps circle size tied to the actual viewport width, so satellites
     never grow past what the (also-shrinking) ring radius can fit — fixes overlap
     on narrow phones while still rendering larger text than the old fixed sizes. */
  .node { width: clamp(68px, 20vw, 100px); height: clamp(68px, 20vw, 100px); font-size: clamp(0.6rem, 2.6vw, 0.74rem); }
  .center-node { width: clamp(98px, 27vw, 138px); height: clamp(98px, 27vw, 138px); font-size: clamp(0.68rem, 3vw, 0.84rem); }

  .sidebar-group {
    position: fixed;
    inset: 0;
    right: 0;
    height: 100dvh;
    width: 0;         /* the group itself takes no layout space anymore */
    z-index: 40;
    pointer-events: none; /* let taps pass through to the diagram when both drawers are closed */
  }

  .layout.panels-open .sidebar-group {
    position: fixed;
    inset: 0;
    width: 0;
    height: 100dvh;
    background: transparent;
  }

  .sidebar-group:has(.sidebar.open) {
    pointer-events: auto;
  }

  .sidebar {
    position: fixed;
    top: 0;
    right: 0; /* RTL: drawers slide in from the right edge of the screen */
    height: 100dvh;
    max-width: 100vw;
    box-shadow: -6px 0 24px rgba(0, 0, 0, 0.5);
    z-index: 41;
  }

  .sidebar.open { width: min(var(--sidebar-w), 86vw); }

  /* detail drawer stacks above the list drawer, offset so both stay reachable */
  .sidebar.patient-panel {
    z-index: 42;
  }
  .sidebar.patient-panel.open { width: min(var(--sidebar-patient-w), 92vw); }
  .sidebar.metadata-panel {
    z-index: 43;
  }
  .sidebar.metadata-panel.open { width: min(var(--sidebar-metadata-w), 92vw); }

  .sidebar-inner,
  .sidebar.patient-panel .sidebar-inner,
  .sidebar.metadata-panel .sidebar-inner {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 560px) {
  header { padding: 12px 14px; column-gap: 8px; }
  header .brand { font-size: 1.3rem; }
  header .header-sub { font-size: 0.8rem; }
  .badge { font-size: 0.72rem; padding: 3px 10px; }
}

@media (max-width: 420px) {
  header { padding: 10px 12px; }
  header .brand { font-size: 1.15rem; }
  header .header-sub { display: none; } /* keeps the badge + centered brand readable on very narrow phones */
  .diagram { width: 90vw; }
}

/* scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }