/* Nuclear Student Opportunities — Naked Nuclear embeddable artifact
   Retro-atomic brand, sibling of The Nuclear Map. */
:root{
  --bg:#0e1116;
  --panel:#161b22;
  --panel-2:#1c232d;
  --ink:#e8edf2;
  --muted:#94a3b8;
  --line:#28313d;
  --accent:#f5c518;      /* nuclear yellow */
  --accent-ink:#0e1116;
  --radius:12px;
  /* type colors */
  --t-scholarship:#8e44ad;
  --t-fellowship:#2e86de;
  --t-internship:#16a085;
  --t-conference:#e0489b;
  --t-grant:#e8751a;
  /* confidence */
  --c-high:#27ae60;
  --c-medium:#f39c12;
  --c-low:#7f8c8d;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-wrap:break-word;
}
.wrap{max-width:1200px;margin:0 auto;padding:16px}

/* Header */
.hdr{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.hdr .brand{display:flex;align-items:center;gap:10px;min-width:0;flex:1 1 260px}
.hdr .brand-txt{min-width:0}
.radmark{width:34px;height:34px;flex:0 0 auto}
.hdr h1{font-size:21px;margin:0;letter-spacing:.3px}
.hdr h1 b{color:var(--accent)}
.hdr .sub{color:var(--muted);font-size:12.5px;margin-top:3px}
.spacer{flex:1}
.submit-btn{background:var(--accent);color:var(--accent-ink);border:0;font-weight:800;
  font-size:13px;padding:10px 16px;border-radius:999px;cursor:pointer;letter-spacing:.2px;white-space:nowrap}
.submit-btn:hover{filter:brightness(1.06)}

/* Controls / toggles */
.controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 14px}
.view-toggle{display:inline-flex;gap:4px;background:var(--panel);border:1px solid var(--line);
  border-radius:10px;padding:4px}
.view-toggle button{border:0;background:transparent;color:var(--muted);font-size:13px;font-weight:700;
  padding:8px 16px;border-radius:7px;cursor:pointer;transition:.12s;letter-spacing:.2px}
.view-toggle button:hover{color:var(--ink)}
.view-toggle button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.mode-toggle button[aria-pressed="true"]{box-shadow:0 0 0 2px rgba(245,197,24,.25)}
.count-pill{color:var(--muted);font-size:12.5px;font-weight:600}
[hidden]{display:none !important}

/* ===== Calendar view =====
   Compact by design: the whole 6-week month must fit above the fold.
   The calendar column is capped narrow and day cells are small fixed-height
   (NO aspect-ratio — that made square cells huge on a wide container). */
:root{ --cal-w:430px; }
.cal-nav{display:flex;align-items:center;gap:8px;margin:0 auto 8px;max-width:var(--cal-w);
  background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:6px 6px}
.cal-arrow{flex:0 0 auto;width:34px;height:34px;border-radius:9px;border:1px solid var(--line);
  background:var(--panel-2);color:var(--accent);font-size:21px;line-height:1;cursor:pointer;font-weight:800;
  display:flex;align-items:center;justify-content:center;transition:.12s;-webkit-tap-highlight-color:transparent}
.cal-arrow:hover:not(:disabled){border-color:var(--accent);background:var(--bg)}
.cal-arrow:disabled{opacity:.28;cursor:default}
.cal-month-head{flex:1;text-align:center;min-width:0}
.cal-month-title{font-size:17px;font-weight:800;letter-spacing:.3px;color:var(--ink)}
.cal-month-meta{color:var(--muted);font-size:11px;font-weight:600;margin-top:1px}

.cal-legend{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:4px 10px;margin:0 auto 8px;max-width:var(--cal-w);
  color:var(--muted);font-size:10.5px}
.cal-legend .leg-lead{font-weight:800;text-transform:uppercase;letter-spacing:.5px;font-size:9.5px}
.cal-legend .leg-item{display:inline-flex;align-items:center;gap:4px;text-transform:capitalize}
.cal-legend .leg-dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto}

.cal-grid-wrap{position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:8px;margin:0 auto 18px;max-width:var(--cal-w);touch-action:pan-y}
.swipe-hint{position:absolute;top:6px;right:10px;font-size:9px;color:var(--muted);opacity:.5;
  letter-spacing:.2px;pointer-events:none}
.cal-grid-head{display:grid;grid-template-columns:repeat(7,1fr);gap:3px;margin-bottom:4px}
.cal-grid-head span{text-align:center;color:var(--muted);font-size:9.5px;font-weight:800;
  text-transform:uppercase;letter-spacing:.4px;padding:1px 0}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:3px}
.day{position:relative;height:38px;border-radius:6px;border:1px solid transparent;
  background:var(--panel-2);padding:3px 4px;display:flex;flex-direction:column;
  font:inherit;text-align:left;color:var(--ink)}
.day.blank{background:transparent;border-color:transparent}
.day .dnum{font-size:10.5px;font-weight:700;color:var(--muted);line-height:1}
.day.today{border-color:var(--accent)}
.day.today .dnum{color:var(--accent)}
.day.has-items{cursor:pointer;background:var(--bg);border-color:var(--line);
  -webkit-tap-highlight-color:transparent}
.day.has-items:hover{border-color:var(--accent);transform:translateY(-1px);transition:.12s}
.day .ddots{display:flex;flex-wrap:wrap;gap:2px;margin-top:auto;align-items:center}
.day .ddot{width:6px;height:6px;border-radius:50%;flex:0 0 auto;box-shadow:0 0 0 1px rgba(0,0,0,.35)}
.day .dmore{font-size:8px;font-weight:800;color:var(--muted)}
.day .dcount{position:absolute;top:3px;right:3px;font-size:8.5px;font-weight:800;color:var(--accent-ink);
  background:var(--accent);border-radius:999px;min-width:13px;height:13px;line-height:13px;text-align:center;padding:0 2px}

.cal-list{margin:0 0 8px}
.sub-h{font-size:12.5px;font-weight:800;color:var(--ink);margin:20px 0 10px;letter-spacing:.2px}
.verify-tag{background:rgba(243,156,18,.15);color:#f7b955;border:1px solid rgba(243,156,18,.45);
  font-size:9.5px;font-weight:800;text-transform:uppercase;letter-spacing:.4px;padding:2px 7px;border-radius:999px;margin-left:4px}

/* Rolling pinned/collapsible */
.rolling-pinned .section-h.collapsible{cursor:pointer;user-select:none;display:flex;align-items:center;gap:8px}
.rolling-pinned .section-h .chev{color:var(--accent);font-size:12px}
.rolling-pinned.collapsed .cards{display:none}

/* Card flash (day → list highlight) */
.card.flash{animation:flash 1.4s ease}
@keyframes flash{0%{box-shadow:0 0 0 3px var(--accent);border-color:var(--accent)}
  70%{box-shadow:0 0 0 3px var(--accent);border-color:var(--accent)}
  100%{box-shadow:0 0 0 0 transparent}}

/* Filters */
.filters{display:flex;flex-direction:column;gap:8px;margin:0 0 18px}
.filter-row{display:flex;align-items:flex-start;gap:10px;flex-wrap:wrap}
.filter-label{color:var(--muted);font-size:11.5px;font-weight:800;text-transform:uppercase;
  letter-spacing:.6px;min-width:46px;padding-top:7px}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chip{display:inline-flex;align-items:center;gap:7px;cursor:pointer;user-select:none;
  background:var(--panel);border:1px solid var(--line);color:var(--ink);
  padding:6px 11px;border-radius:999px;font-size:12px;font-weight:600;transition:.12s;max-width:100%}
.chip .dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto}
.chip[aria-pressed="false"]{opacity:.36}
.chip:hover{border-color:var(--accent)}

/* Sections */
.cal{margin:0 0 26px}
.section-h{font-size:14px;letter-spacing:.4px;margin:0 0 12px;padding-bottom:8px;
  border-bottom:1px solid var(--line);color:var(--ink);font-weight:800}
.section-sub{color:var(--muted);font-weight:500;font-size:12px}

/* Cards grid */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;cursor:pointer;transition:.12s;display:flex;flex-direction:column;gap:9px;position:relative;
  border-left:4px solid var(--line)}
.card:hover{border-color:var(--accent);transform:translateY(-1px)}
.card .badges{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.badge{font-size:10.5px;font-weight:800;letter-spacing:.4px;padding:3px 8px;border-radius:999px;
  text-transform:uppercase;white-space:nowrap}
.badge-type{color:#fff}
.badge-date{border:1px solid transparent}
.badge-date.firm{background:rgba(39,174,96,.16);color:#5fe39a;border-color:rgba(39,174,96,.45)}
.badge-date.estimate{background:rgba(243,156,18,.15);color:#f7b955;border-color:rgba(243,156,18,.45)}
.badge-date.low{background:rgba(127,140,141,.16);color:#b3bec4;border-color:rgba(127,140,141,.5)}
.card h4{margin:0;font-size:14.5px;line-height:1.3;font-weight:700}
.card .org{color:var(--muted);font-size:12px;margin-top:-2px}
.card .meta{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:12px;color:var(--ink)}
.card .amount{color:var(--accent);font-weight:700}
.card .elig{color:var(--muted);font-size:11.8px;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .foot-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;
  padding-top:8px;border-top:1px solid var(--line)}
.card .verified{color:var(--muted);font-size:10.5px}
.card .apply{background:var(--accent);color:var(--accent-ink);border:0;font-weight:800;font-size:11.5px;
  padding:6px 12px;border-radius:999px;cursor:pointer;text-decoration:none;white-space:nowrap}
.card .apply:hover{filter:brightness(1.06)}

.empty-note{color:var(--muted);font-size:13px;padding:18px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius)}

/* Footer */
.foot{color:var(--muted);font-size:12px;line-height:1.7;margin:26px 0 10px;text-align:center}
.foot code{background:var(--panel-2);padding:1px 5px;border-radius:5px;font-size:11px}
.correction-link{color:var(--accent);text-decoration:none;font-weight:600}
.correction-link:hover{text-decoration:underline}
.foot-brand{opacity:.7;font-size:11px}

/* Modal */
.modal-back{position:fixed;inset:0;background:rgba(0,0,0,.62);display:none;align-items:center;
  justify-content:center;padding:18px;z-index:50}
.modal-back.open{display:flex}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:16px;max-width:560px;
  width:100%;max-height:88vh;overflow:auto}
.modal-inner{padding:22px;position:relative}
.m-close{position:absolute;top:12px;right:14px;background:transparent;border:0;color:var(--muted);
  font-size:26px;line-height:1;cursor:pointer}
.m-close:hover{color:var(--ink)}
.m-badges{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.modal h2{margin:0 0 4px;font-size:19px;line-height:1.3;padding-right:26px}
.m-org{color:var(--muted);font-size:13px;margin-bottom:14px}
.m-grid{margin:0 0 16px;display:grid;grid-template-columns:auto 1fr;gap:8px 14px}
.m-grid dt{color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.4px}
.m-grid dd{margin:0;font-size:13.5px;line-height:1.5}
.m-grid dd.amt{color:var(--accent);font-weight:700}
.m-source{display:inline-block;background:var(--accent);color:var(--accent-ink);font-weight:800;
  font-size:13.5px;padding:11px 20px;border-radius:999px;text-decoration:none}
.m-source:hover{filter:brightness(1.06)}

@media(max-width:560px){
  .cards{grid-template-columns:1fr}
  .hdr h1{font-size:19px}
  .submit-btn{width:100%}
  .m-grid{grid-template-columns:1fr}
  .m-grid dt{margin-top:6px}
  /* calendar: keep the 7-col grid, full month visible, taps still usable.
     On phones the column spans full width; cells get a bit taller so the
     day number + dot stay a comfortable tap target (>=40px tall). */
  :root{ --cal-w:100%; }
  .wrap{padding:12px}
  .controls{gap:8px}
  .mode-toggle{flex:1 1 100%}
  .mode-toggle button{flex:1}
  .cal-grid-wrap{padding:7px}
  .cal-grid,.cal-grid-head{gap:4px}
  .day{padding:3px 4px;border-radius:7px;height:44px}
  .day .dnum{font-size:11px}
  .day .ddot{width:7px;height:7px}
  .day .dcount{min-width:15px;height:15px;line-height:15px;font-size:9px}
  .cal-month-title{font-size:18px}
  .cal-arrow{width:38px;height:38px;font-size:22px}
  .swipe-hint{display:none}
  .count-pill{flex:1 1 100%;order:5}
}