/* ============================================================
   Student Mentorship — Stakeholder Prototype
   Shared styling that emulates the ServiceNow "Next Experience"
   configurable workspace look & feel.
   ============================================================ */

:root {
  --sn-header: #191a23;          /* near-black workspace header    */
  --sn-header-2: #23252f;
  --sn-green: #1f9d6b;           /* selected-tab / success green   */
  --sn-green-dark: #198257;
  --sn-green-soft: #e4f5ee;
  --sn-primary: #4b41c4;         /* indigo primary action (Polaris)*/
  --sn-primary-dark: #3d35a6;
  --sn-primary-soft: #ecebfb;
  --sn-blue: #3b5bdb;
  --sn-bg: #eef0f2;              /* app canvas background         */
  --sn-card: #ffffff;
  --sn-border: #d9dde2;
  --sn-border-soft: #eceef1;
  --sn-text: #1c2730;
  --sn-text-soft: #5b6b78;
  --sn-text-muted: #8a98a4;
  --danger: #d0364b;
  --danger-soft: #fbe7ea;
  --warn: #e08600;
  --warn-soft: #fcf0dc;
  --ok: #2e9e6b;
  --ok-soft: #e6f5ee;
  --info: #2f6fed;
  --info-soft: #e7eefe;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(20, 33, 45, .12), 0 1px 2px rgba(20, 33, 45, .08);
  --shadow-lg: 0 6px 24px rgba(20, 33, 45, .14);
  --font: "Lato", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  color: var(--sn-text);
  background: var(--sn-bg);
  font-size: 14px;
  line-height: 1.45;
}

a { color: var(--sn-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------------- Parent shell: top bar + tabs ---------------- */
.app-shell { display: flex; flex-direction: column; height: 100vh; }

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 52px;
  padding: 0 18px;
  background: linear-gradient(180deg, var(--sn-header-2), var(--sn-header));
  color: #fff;
  flex: 0 0 auto;
}
.topbar .logo {
  width: 28px; height: 28px; border-radius: 6px;
  background: var(--sn-green);
  display: grid; place-items: center;
  font-weight: 800; color: #fff; font-size: 15px;
}
.topbar .product { font-weight: 700; font-size: 15px; letter-spacing: .2px; }
.topbar .product small {
  display: block; font-weight: 400; font-size: 11px;
  color: #9fb3c2; letter-spacing: .3px;
}
.topbar .spacer { flex: 1; }
.topbar .search {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  color: #cfdae2;
  padding: 6px 12px; border-radius: 16px; width: 150px; font-size: 13px;
}
.topbar .icon-btn {
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center;
  color: #cfdae2; font-size: 16px; cursor: pointer;
}
.topbar .icon-btn:hover { background: rgba(255,255,255,.12); }
.topbar .avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: #4a90a4; color: #fff; font-weight: 700;
  display: grid; place-items: center; font-size: 12px;
}

.tabbar {
  display: flex;
  align-items: stretch;
  gap: 2px;
  background: var(--sn-card);
  border-bottom: 1px solid var(--sn-border);
  padding: 0 12px;
  flex: 0 0 auto;
}
.tabbar .tab {
  appearance: none; border: none; background: none;
  font-family: var(--font); font-size: 13.5px; font-weight: 600;
  color: var(--sn-text-soft);
  padding: 13px 18px 11px;
  border-bottom: 3px solid transparent;
  cursor: pointer; display: flex; align-items: center; gap: 8px;
}
.tabbar .tab:hover { color: var(--sn-text); background: #f6f7f8; }
.tabbar .tab.active {
  color: var(--sn-green-dark);
  border-bottom-color: var(--sn-green);
}
.tabbar .tab .dot {
  font-size: 11px; background: var(--danger); color: #fff;
  border-radius: 10px; padding: 1px 7px; font-weight: 700;
}

.frame-wrap { flex: 1; min-height: 0; }
.frame-wrap iframe { width: 100%; height: 100%; border: none; display: block; }

/* ---------------- Page content (inside iframe) ---------------- */
.page { padding: 22px 26px 40px; max-width: 1240px; margin: 0 auto; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 18px; gap: 16px; }
.page-title { font-size: 21px; font-weight: 800; margin: 0; }
.page-sub { color: var(--sn-text-soft); margin: 4px 0 0; font-size: 13px; }
.breadcrumb { color: var(--sn-text-muted); font-size: 12px; margin-bottom: 6px; }
.breadcrumb span { color: var(--sn-text-soft); }

/* ---------------- Buttons ---------------- */
.btn {
  appearance: none; font-family: var(--font); font-size: 13px; font-weight: 700;
  border-radius: 6px; padding: 8px 16px; cursor: pointer;
  border: 1px solid var(--sn-border); background: #fff; color: var(--sn-text);
  display: inline-flex; align-items: center; gap: 7px; line-height: 1;
}
.btn:hover { background: #f3f5f6; }
.btn-primary { background: var(--sn-primary); border-color: var(--sn-primary); color: #fff; }
.btn-primary:hover { background: var(--sn-primary-dark); border-color: var(--sn-primary-dark); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--sn-blue); }
.btn-ghost:hover { background: var(--info-soft); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-sm { padding: 5px 11px; font-size: 12px; }

/* ---------------- Cards ---------------- */
.card {
  background: var(--sn-card); border: 1px solid var(--sn-border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.card-head {
  padding: 13px 18px; border-bottom: 1px solid var(--sn-border-soft);
  font-weight: 700; font-size: 14px; display: flex; align-items: center; justify-content: space-between;
}
.card-body { padding: 18px; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 2fr 1fr; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-2, .grid-4 { grid-template-columns: 1fr; } }

/* ---------------- KPI tiles ---------------- */
.kpi { background: var(--sn-card); border: 1px solid var(--sn-border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.kpi .kpi-label { color: var(--sn-text-soft); font-size: 12.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .4px; }
.kpi .kpi-value { font-size: 30px; font-weight: 800; margin-top: 6px; }
.kpi .kpi-trend { font-size: 12px; margin-top: 4px; color: var(--sn-text-muted); }
.kpi.accent-danger .kpi-value { color: var(--danger); }
.kpi.accent-warn .kpi-value { color: var(--warn); }
.kpi.accent-ok .kpi-value { color: var(--ok); }
.kpi.accent-info .kpi-value { color: var(--info); }

/* ---------------- Status pills ---------------- */
.pill { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 14px; white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; opacity: .9; }
.pill-danger { background: var(--danger-soft); color: var(--danger); }
.pill-warn { background: var(--warn-soft); color: var(--warn); }
.pill-ok { background: var(--ok-soft); color: var(--ok-dark, var(--ok)); }
.pill-info { background: var(--info-soft); color: var(--info); }
.pill-muted { background: #eef0f2; color: var(--sn-text-soft); }

/* ---------------- Lists / tables ---------------- */
.sn-list { width: 100%; border-collapse: collapse; font-size: 13px; }
.sn-list thead th {
  text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .4px;
  color: var(--sn-text-soft); font-weight: 700; padding: 11px 14px;
  background: #f7f8f9; border-bottom: 1px solid var(--sn-border);
}
.sn-list tbody td { padding: 11px 14px; border-bottom: 1px solid var(--sn-border-soft); vertical-align: middle; }
.sn-list tbody tr:hover { background: #f6fbf8; }
.sn-list .ref { color: var(--sn-blue); font-weight: 600; }
.sn-list .num { font-variant-numeric: tabular-nums; }

/* risk score chip */
.score { display: inline-flex; align-items: center; gap: 8px; }
.score .bar { width: 70px; height: 6px; border-radius: 4px; background: #e7eaed; overflow: hidden; }
.score .bar > i { display: block; height: 100%; border-radius: 4px; }
.score b { font-variant-numeric: tabular-nums; min-width: 26px; }
.score-high i { background: var(--danger); }
.score-med i { background: var(--warn); }
.score-low i { background: #c9a227; }

/* user cell */
.user-cell { display: flex; align-items: center; gap: 10px; }
.user-cell .av { width: 28px; height: 28px; border-radius: 50%; background: #cdd9e1; color: #41525e; font-weight: 700; display: grid; place-items: center; font-size: 11px; }
.user-cell .u-name { font-weight: 600; }
.user-cell .u-sub { color: var(--sn-text-muted); font-size: 11.5px; }

/* ---------------- Form fields (record view) ---------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 26px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field label { display: block; font-size: 12px; font-weight: 700; color: var(--sn-text-soft); margin-bottom: 5px; }
.field .val { font-size: 14px; }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--font); font-size: 14px; color: var(--sn-text);
  padding: 8px 10px; border: 1px solid var(--sn-border); border-radius: 6px; background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--sn-primary); box-shadow: 0 0 0 3px var(--sn-primary-soft); }
.field.mandatory label::after { content: " *"; color: var(--danger); }
.field .ref-field { position: relative; }
.field .ref-field::before { content: "ⓘ"; position: absolute; left: 9px; top: 50%; transform: translateY(-50%); color: var(--sn-green); font-size: 12px; }
.field .ref-field select { padding-left: 28px; }

/* record form chrome */
.record-head {
  display: flex; align-items: center; justify-content: space-between;
  background: #fff; border: 1px solid var(--sn-border); border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0; padding: 14px 18px;
}
.record-head .r-title { font-size: 16px; font-weight: 800; }
.record-head .r-title small { display:block; font-weight:600; color: var(--sn-text-muted); font-size: 12px; }
.record-actions { display: flex; gap: 8px; align-items: center; }

/* ---------------- Playbook stage tracker (chevrons) ---------------- */
.pb-stages { display: flex; list-style: none; margin: 0 0 18px; padding: 0; }
.pb-stage {
  flex: 1; position: relative; background: #fff; border: 1px solid var(--sn-border);
  padding: 11px 16px 11px 30px; margin-left: -14px; font-size: 12.5px;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 50%, calc(100% - 16px) 100%, 0 100%, 16px 50%);
}
.pb-stage:first-child { margin-left: 0; clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 50%, calc(100% - 16px) 100%, 0 100%); padding-left: 18px; }
.pb-stage .s-step { font-size: 11px; color: var(--sn-text-muted); font-weight: 700; }
.pb-stage .s-name { font-weight: 700; color: var(--sn-text); }
.pb-stage.done { background: var(--sn-green-soft); border-color: #bfe3d2; }
.pb-stage.done .s-name { color: var(--sn-green-dark); }
.pb-stage.done .s-step::before { content: "✓ "; color: var(--sn-green); }
.pb-stage.active { background: var(--sn-header); border-color: var(--sn-header); }
.pb-stage.active .s-step { color: #9fd9bf; }
.pb-stage.active .s-name { color: #fff; }
.pb-stage.upcoming { background: #f7f8f9; }
.pb-stage.upcoming .s-name { color: var(--sn-text-muted); }

/* activity cards / checklist */
.activity { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--sn-border-soft); }
.activity:last-child { border-bottom: none; }
.activity .a-marker { width: 24px; height: 24px; border-radius: 50%; border: 2px solid var(--sn-border); display: grid; place-items: center; font-size: 12px; color: var(--sn-text-muted); flex: 0 0 auto; }
.activity.done .a-marker { background: var(--sn-green); border-color: var(--sn-green); color: #fff; }
.activity.current .a-marker { border-color: var(--sn-green); color: var(--sn-green); font-weight: 800; }
.activity .a-body { flex: 1; }
.activity .a-title { font-weight: 700; }
.activity .a-desc { color: var(--sn-text-soft); font-size: 12.5px; margin-top: 2px; }

/* ---------------- AI insight card ---------------- */
.ai-card {
  border: 1px solid #cfe0ff; border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(180deg, #f3f8ff, #ffffff);
}
.ai-card .ai-head {
  display: flex; align-items: center; gap: 9px; padding: 11px 16px;
  background: linear-gradient(90deg, #eaf1ff, #f4f0ff); border-bottom: 1px solid #e0e8fb;
  font-weight: 800; color: #3a3f8f;
}
.ai-card .ai-head .sparkle { font-size: 16px; }
.ai-card .ai-head .tag { margin-left: auto; font-size: 10.5px; font-weight: 700; color: #6a5acd; background: #efeaff; border: 1px solid #ddd3ff; padding: 2px 8px; border-radius: 10px; text-transform: uppercase; letter-spacing: .4px; }
.ai-card .ai-body { padding: 14px 16px; font-size: 13.5px; color: #2b3340; }
.ai-card .ai-body ul { margin: 8px 0 0; padding-left: 18px; }
.ai-card .ai-body li { margin: 3px 0; }
.ai-meta { font-size: 11px; color: var(--sn-text-muted); margin-top: 10px; display: flex; gap: 6px; align-items: center; }

/* ---------------- Conversation / chat ---------------- */
.chat { border: 1px solid var(--sn-border); border-radius: var(--radius); background: #fbfcfd; height: 280px; overflow-y: auto; padding: 14px; }
.bubble { max-width: 78%; padding: 9px 13px; border-radius: 14px; margin-bottom: 10px; font-size: 13px; }
.bubble.them { background: #fff; border: 1px solid var(--sn-border); border-bottom-left-radius: 4px; }
.bubble.me { background: var(--sn-green); color: #fff; margin-left: auto; border-bottom-right-radius: 4px; }
.bubble .who { font-size: 10.5px; font-weight: 700; opacity: .7; margin-bottom: 2px; }
.chat-empty { color: var(--sn-text-muted); text-align: center; padding-top: 90px; }

/* notes / journal */
.note { border-left: 3px solid var(--sn-green); background: #fff; border: 1px solid var(--sn-border); border-left: 3px solid var(--sn-green); border-radius: 6px; padding: 10px 13px; margin-bottom: 10px; }
.note .note-meta { font-size: 11px; color: var(--sn-text-muted); margin-bottom: 4px; display: flex; gap: 8px; }
.note .note-text { font-size: 13px; }

/* ---------------- Toast ---------------- */
.toast-wrap { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 10px; z-index: 9999; }
.toast {
  background: #14202b; color: #fff; border-radius: 8px; padding: 12px 16px; font-size: 13px;
  box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 10px;
  animation: toast-in .25s ease; max-width: 360px; border-left: 4px solid var(--sn-green);
}
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* misc helpers */
.row { display: flex; gap: 12px; align-items: center; }
.between { justify-content: space-between; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.muted { color: var(--sn-text-soft); }
.tiny { font-size: 11.5px; }
.hr { height: 1px; background: var(--sn-border-soft); border: none; margin: 16px 0; }
.section-label { font-size: 11.5px; font-weight: 800; text-transform: uppercase; letter-spacing: .5px; color: var(--sn-text-muted); margin: 0 0 10px; }
.banner { display:flex; gap:10px; align-items:flex-start; background: var(--warn-soft); border:1px solid #f0d9a8; color:#8a5a00; padding:11px 14px; border-radius:8px; font-size:12.5px; }
.banner.info { background: var(--info-soft); border-color:#c9d9fb; color:#274b9e; }
.proto-note { font-size: 11px; color: var(--sn-text-muted); background: #f3f4f5; border: 1px dashed var(--sn-border); border-radius: 6px; padding: 8px 11px; }

/* ============================================================
   ServiceNow Playbook Experience — record + vertical stages
   ============================================================ */

/* ---- top bar extras (nav links + workspace pill + badge) ---- */
.topbar .navlinks { display: flex; gap: 1px; }
.topbar .navlinks a { color: #c4cbd6; font-size: 13px; font-weight: 600; padding: 6px 11px; border-radius: 6px; }
.topbar .navlinks a:hover { background: rgba(255,255,255,.1); color: #fff; text-decoration: none; }
.topbar .ws-pill { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); color: #eef2f6; padding: 7px 18px; border-radius: 18px; font-weight: 700; font-size: 13px; }
.topbar .badge { position: relative; }
.topbar .badge .b-count { position: absolute; top: -2px; right: -4px; background: var(--sn-blue); color: #fff; font-size: 9px; font-weight: 800; border-radius: 8px; padding: 1px 4px; line-height: 1.3; }

/* ---- record top action row ---- */
.rec-topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.btn-na { border-color: #d9d3f6; color: var(--sn-primary); background: #fff; }
.btn-na:hover { background: var(--sn-primary-soft); }

/* ---- two-region layout: main + right rail ---- */
.rec { display: grid; grid-template-columns: minmax(0,1fr) 330px; gap: 18px; align-items: start; }
@media (max-width: 1040px) { .rec { grid-template-columns: 1fr; } }
.rec-main { min-width: 0; }
.rec-rail { display: grid; gap: 14px; align-content: start; }

/* ---- record header (the person/student) ---- */
.rec-header { background: #fff; border: 1px solid var(--sn-border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; display: flex; gap: 18px; align-items: center; }
.rec-header .big-av { width: 62px; height: 62px; border-radius: 50%; background: #e3e8f0; color: #41525e; display: grid; place-items: center; font-weight: 800; font-size: 21px; position: relative; flex: 0 0 auto; }
.rec-header .big-av .status-dot { position: absolute; right: 1px; bottom: 1px; width: 14px; height: 14px; border-radius: 50%; background: var(--sn-green); border: 2px solid #fff; }
.rec-header .rh-name { font-size: 20px; font-weight: 800; display: flex; align-items: center; gap: 10px; }
.rec-header .rh-meta { display: flex; gap: 36px; margin-top: 11px; flex-wrap: wrap; }
.rec-header .m-label { font-size: 11px; color: var(--sn-text-muted); font-weight: 700; text-transform: uppercase; letter-spacing: .3px; }
.rec-header .m-val { font-size: 13.5px; font-weight: 600; margin-top: 2px; }
.flag-pill { display: inline-flex; align-items: center; gap: 5px; background: var(--danger-soft); color: var(--danger); font-size: 11.5px; font-weight: 800; padding: 3px 9px; border-radius: 6px; letter-spacing: .4px; }

/* ---- Now Assist plain-language banner ---- */
.na-banner { background: #fff; border: 1px solid var(--sn-border); border-left: 4px solid var(--danger); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 18px 14px 16px; display: flex; gap: 13px; margin-top: 14px; }
.na-banner .na-spark { font-size: 18px; color: #6a5acd; flex: 0 0 auto; line-height: 1.4; }
.na-banner .na-title { font-weight: 800; margin-bottom: 3px; }
.na-banner .na-text { font-size: 13px; color: #33414e; }

/* ---- record-level tabs ---- */
.rec-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--sn-border); margin: 16px 0 0; }
.rec-tabs button { appearance: none; border: none; background: none; font-family: var(--font); font-size: 13.5px; font-weight: 700; color: var(--sn-text-soft); padding: 10px 14px; border-bottom: 3px solid transparent; cursor: pointer; }
.rec-tabs button.active { color: var(--sn-green-dark); border-bottom-color: var(--sn-green); }
.rec-tabs button:hover { color: var(--sn-text); }

/* ---- playbook body: vertical stage nav + activity panel ---- */
.pb { display: grid; grid-template-columns: 268px minmax(0,1fr); background: #fff; border: 1px solid var(--sn-border); border-top: none; border-radius: 0 0 var(--radius) var(--radius); box-shadow: var(--shadow); }
@media (max-width: 820px) { .pb { grid-template-columns: 1fr; } }
.pb-nav { border-right: 1px solid var(--sn-border-soft); padding: 14px 12px; }
.pb-nav-head { display: flex; align-items: center; justify-content: space-between; font-weight: 800; font-size: 13.5px; padding: 4px 6px 12px; }
.pb-nav-head .nh-tools { color: var(--sn-text-muted); display: flex; gap: 11px; font-size: 13px; }

.pb-stage-v { position: relative; padding-left: 42px; }
.pb-stage-v::before { content: ""; position: absolute; left: 15px; top: 0; bottom: 0; width: 2px; background: var(--sn-border); }
.pb-stage-v:first-child::before { top: 16px; }
.pb-stage-v:last-child::before { display: none; }
.st-head { display: flex; align-items: center; gap: 10px; padding: 8px 6px; cursor: pointer; border-radius: 6px; }
.st-head:hover { background: #f6f7f9; }
.st-icon { position: absolute; left: 0; width: 32px; height: 32px; border-radius: 50%; background: #fff; border: 2px solid var(--sn-border); display: grid; place-items: center; font-size: 14px; color: var(--sn-text-muted); z-index: 1; }
.st-title { font-weight: 700; font-size: 13.5px; }
.st-sub { font-size: 11px; color: var(--sn-text-muted); }
.st-chev { margin-left: auto; color: var(--sn-text-muted); font-size: 10px; transition: transform .15s; }
.pb-stage-v.collapsed .st-chev { transform: rotate(-90deg); }
.pb-stage-v.collapsed .st-body { display: none; }
.st-body { padding: 2px 0 10px; }
.pb-stage-v.active .st-icon { border-color: var(--sn-primary); color: var(--sn-primary); background: var(--sn-primary-soft); }
.pb-stage-v.done .st-icon { background: var(--sn-green); border-color: var(--sn-green); color: #fff; }
.pb-stage-v.locked .st-title, .pb-stage-v.locked .st-icon { color: var(--sn-text-muted); }

.pb-act { display: flex; align-items: center; gap: 9px; padding: 7px 10px 7px 8px; border-radius: 6px; cursor: pointer; font-size: 13px; color: var(--sn-text); }
.pb-act:hover { background: #f3f5f7; }
.pb-act.active { background: var(--sn-primary-soft); color: var(--sn-primary-dark); font-weight: 700; box-shadow: inset 3px 0 0 var(--sn-primary); }
.pb-act .a-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--warn); flex: 0 0 auto; }
.pb-act.done .a-dot { background: var(--sn-green); }
.pb-act.locked { color: var(--sn-text-muted); cursor: not-allowed; }
.pb-act.locked:hover { background: none; }

/* ---- activity detail panel (center) ---- */
.pb-panel { padding: 20px 22px; min-height: 360px; }
.pa { display: none; }
.pa.show { display: block; animation: toast-in .2s ease; }
.pa-chips { display: flex; align-items: center; gap: 12px; font-size: 12px; margin-bottom: 10px; }
.pa-chips .c-status { color: var(--sn-green-dark); font-weight: 800; }
.pa-chips .c-status::before { content: "✓ "; }
.pa-chips .c-type { color: var(--sn-text-muted); }
.pa-chips .c-prio { margin-left: auto; color: var(--warn); font-weight: 700; }
.pa-chips .c-prio::before { content: "● "; }
.pa-title { font-size: 19px; font-weight: 800; margin: 0 0 8px; }
.pa-desc { color: var(--sn-text-soft); margin-bottom: 16px; }
.pa-actions { display: flex; gap: 10px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--sn-border-soft); }

/* ---- right rail cards ---- */
.rail-card { background: #fff; border: 1px solid var(--sn-border); border-radius: var(--radius); box-shadow: var(--shadow); }
.rail-card .rc-head { padding: 11px 15px; font-weight: 800; font-size: 12.5px; border-bottom: 1px solid var(--sn-border-soft); display: flex; align-items: center; gap: 6px; }
.rail-card .rc-body { padding: 13px 15px; }
.info-row { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; font-size: 13px; }
.info-row .ir-label { color: var(--sn-text-soft); }
.info-row .ir-val { font-weight: 600; text-align: right; }

/* ---- stacked action buttons (Interventions) ---- */
.act-btn { width: 100%; justify-content: center; margin-bottom: 9px; }
.act-btn:last-child { margin-bottom: 0; }
.btn-danger { background: #fff; border-color: #f0c2c9; color: var(--danger); }
.btn-danger:hover { background: var(--danger-soft); }