/* ==========================================================================
   LifeDrop — Design tokens
   Palette: warm paper background, deep crimson accent (drawn from the
   subject itself rather than a generic brand red), quiet ink text.
   Type: Fraunces (display, used sparingly) + Inter (UI/body) +
   IBM Plex Mono (data — blood groups, counts, timestamps).
   Signature: the blood-drop badge (used for every blood group tag) and a
   thin animated pulse-line divider standing in for a plain <hr>.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,wght@0,500;0,600;1,500&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --paper:      #FAF9F7;
  --surface:    #FFFFFF;
  --ink:        #1C1A19;
  --ink-soft:   #6E6862;
  --line:       #EAE5DF;
  --crimson:    #C81E3A;
  --crimson-deep: #9E1830;
  --crimson-tint: #FCEDEF;
  --green:      #1B7A4D;
  --green-tint: #E9F5EE;
  --amber:      #B4711E;
  --amber-tint: #FBF0E1;
  --shadow: 0 1px 2px rgba(28,26,25,0.04), 0 6px 20px rgba(28,26,25,0.05);
  --radius: 14px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Fraunces',Georgia,serif;
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  color:var(--ink);
}
h1 em, h2 em{ font-style:italic; color:var(--crimson); font-weight:500; }
p{ margin:0 0 1em; color:var(--ink-soft); }
a{ color:inherit; text-decoration:none; }
.mono{ font-family:'IBM Plex Mono',monospace; }

.container{
  max-width:1120px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  min-height:46px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn:active{ transform:scale(.97); }
.btn-primary{ background:var(--crimson); color:#fff; }
.btn-primary:hover{ background:var(--crimson-deep); }
.btn-outline{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn-outline:hover{ border-color:var(--ink); }
.btn-ghost{ background:transparent; color:var(--crimson); padding:12px 8px; }
.btn-block{ width:100%; }
.btn-sm{ padding:8px 16px; font-size:13px; }

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(250,249,247,0.9);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 0;
}
.brand{ display:flex; align-items:center; gap:10px; font-family:'Fraunces',serif; font-weight:600; font-size:20px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; min-width:0; }
.brand-mark{ width:22px; height:26px; display:block; flex-shrink:0; }
.nav-links{ display:flex; align-items:center; gap:8px; }
.nav-links a.nav-link{
  padding:10px 14px; border-radius:999px; font-weight:500; color:var(--ink-soft); font-size:14px;
}
.nav-links a.nav-link:hover{ background:var(--surface); color:var(--ink); }
.nav-user{ font-size:14px; color:var(--ink-soft); margin-right:6px; white-space:nowrap; }

/* Hamburger toggle — hidden on desktop, shown on mobile */
.nav-toggle-checkbox{ display:none; }
.nav-toggle-btn{
  display:none;
  flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; padding:8px; border-radius:10px;
  cursor:pointer; flex-shrink:0;
}
.nav-toggle-btn:hover{ background:var(--surface); }
.nav-toggle-btn span{
  display:block; width:100%; height:2px; background:var(--ink); border-radius:2px;
  transition:transform .2s ease, opacity .2s ease;
}

/* ---------- Hero ---------- */
.hero{ padding:clamp(32px, 8vw, 64px) 0 clamp(24px, 5vw, 40px); }
.hero-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:clamp(24px, 5vw, 56px); align-items:center; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'IBM Plex Mono',monospace; font-size:12px; letter-spacing:.06em; text-transform:uppercase;
  color:var(--crimson); background:var(--crimson-tint); padding:6px 12px; border-radius:999px; margin-bottom:18px;
}
.hero h1{ font-size:clamp(30px, 6vw, 46px); max-width:560px; }
.hero-sub{ font-size:clamp(15px, 2.2vw, 17px); max-width:480px; }
.hero-actions{ display:flex; gap:12px; margin-top:28px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:clamp(16px, 4vw, 32px); margin-top:clamp(28px, 5vw, 40px); flex-wrap:wrap; }
.stat-num{ font-family:'IBM Plex Mono',monospace; font-size:clamp(22px, 4vw, 28px); font-weight:600; color:var(--ink); }
.stat-label{ font-size:11px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.04em; }

/* Pulse line — signature divider, an ECG/heartbeat trace */
.pulse-wrap{ width:100%; overflow:hidden; max-height:160px; }
.pulse-line{ width:100%; height:auto; max-height:160px; display:block; }
.pulse-line path{
  fill:none; stroke:var(--crimson); stroke-width:2; stroke-linecap:round; stroke-linejoin:round;
  stroke-dasharray:600; stroke-dashoffset:600;
  animation:draw 2.4s ease-out forwards;
}
@keyframes draw{ to{ stroke-dashoffset:0; } }
.section-divider{ border:0; height:1px; background:var(--line); margin:0; }

/* ---------- Blood drop badge (signature element) ---------- */
.drop-badge{
  position:relative;
  display:inline-flex; align-items:center; justify-content:center;
  min-width:44px; height:44px; padding:0 6px;
  color:#fff; font-family:'IBM Plex Mono',monospace; font-weight:600; font-size:13px;
  clip-path: path('M22 2 C22 2 40 24 40 34 C40 43.4 31.9 44 22 44 C12.1 44 4 43.4 4 34 C4 24 22 2 22 2 Z');
  background:var(--crimson);
}
.drop-badge.sm{ min-width:34px; height:34px; font-size:11px; }
.drop-badge.outline{ background:var(--crimson-tint); color:var(--crimson); }

/* ---------- Cards / Sections ---------- */
.section{ padding:48px 0; }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:16px; margin-bottom:24px; flex-wrap:wrap; }
.section-head h2{ font-size:28px; margin:0; }
.section-head p{ margin:4px 0 0; }

.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.card-pad{ padding:28px; }

/* Filter bar */
.filter-bar{
  display:flex; gap:12px; flex-wrap:wrap; align-items:center;
  background:var(--surface); border:1px solid var(--line); border-radius:999px;
  padding:10px 14px; margin-bottom:28px;
}
.filter-bar select, .filter-bar input[type=text]{
  border:none; background:transparent; font:inherit; font-size:14px; color:var(--ink);
  padding:8px 10px; outline:none; min-width:120px;
}
.filter-bar .divider{ width:1px; height:22px; background:var(--line); }
.filter-check{ display:flex; align-items:center; gap:6px; font-size:14px; color:var(--ink-soft); padding:0 6px; white-space:nowrap; }
.filter-bar .btn{ margin-left:auto; }

/* Donor grid */
.donor-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.donor-card{ padding:20px; display:flex; gap:14px; align-items:flex-start; }
.donor-info{ flex:1; min-width:0; }
.donor-name{ font-weight:600; font-size:16px; margin-bottom:2px; }
.donor-meta{ font-size:13px; color:var(--ink-soft); margin-bottom:10px; }
.donor-location{ font-size:13px; color:var(--ink-soft); display:flex; align-items:center; gap:5px; }
.badge{
  display:inline-flex; align-items:center; gap:5px;
  font-size:12px; font-weight:600; padding:4px 10px; border-radius:999px;
}
.badge-available{ background:var(--green-tint); color:var(--green); }
.badge-unavailable{ background:var(--line); color:var(--ink-soft); }
.badge-urgent{ background:var(--amber-tint); color:var(--amber); }
.badge-critical{ background:var(--crimson-tint); color:var(--crimson); }
.badge-open{ background:var(--green-tint); color:var(--green); }
.badge-fulfilled{ background:var(--line); color:var(--ink-soft); }

.empty-state{ text-align:center; padding:60px 20px; color:var(--ink-soft); }
.empty-state h3{ color:var(--ink); }

/* ---------- Forms ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ display:flex; flex-direction:column; gap:6px; margin-bottom:18px; }
.field.full{ grid-column:1 / -1; }
.field label{ font-size:13px; font-weight:600; color:var(--ink); }
.field .hint{ font-size:12px; color:var(--ink-soft); font-weight:400; }
input[type=text], input[type=tel], input[type=number], input[type=date], select, textarea{
  font:inherit; font-size:16px; padding:13px 14px;
  border:1px solid var(--line); border-radius:10px; background:var(--surface); color:var(--ink);
  outline:none; transition:border-color .15s ease;
}
input:focus, select:focus, textarea:focus{ border-color:var(--crimson); }
textarea{ resize:vertical; min-height:90px; font-family:inherit; }
.checkbox-row{ display:flex; align-items:center; gap:10px; min-height:24px; }
.checkbox-row input{ width:20px; height:20px; accent-color:var(--crimson); flex-shrink:0; }

.form-page{ max-width:640px; margin:0 auto; }
.form-page .card-pad{ padding:36px; }

/* ---------- Flash / Alerts ---------- */
.flash{
  padding:14px 18px; border-radius:10px; font-size:14px; margin-bottom:20px;
  display:flex; align-items:center; gap:10px;
}
.flash-success{ background:var(--green-tint); color:var(--green); }
.flash-error{ background:var(--crimson-tint); color:var(--crimson); }

/* ---------- Footer ---------- */
.site-footer{ border-top:1px solid var(--line); padding:32px 0; margin-top:40px; }
.footer-row{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; }
.footer-row p{ margin:0; font-size:13px; color:var(--ink-soft); }

/* ---------- Utility ---------- */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; }
.stack{ display:flex; flex-direction:column; gap:16px; }
.row-between{ display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap; }
.tag-list{ display:flex; gap:8px; flex-wrap:wrap; }
.small{ font-size:13px; color:var(--ink-soft); }
.spinner{
  width:18px; height:18px; border-radius:50%;
  border:2px solid var(--line); border-top-color:var(--crimson);
  animation:spin .7s linear infinite; display:inline-block;
}
@keyframes spin{ to{ transform:rotate(360deg); } }

/* ---------- Mobile bottom CTA bar ---------- */
.mobile-cta{
  display:none;
  position:fixed; left:0; right:0; bottom:0; z-index:60;
  gap:10px;
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,0.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-top:1px solid var(--line);
  box-shadow:0 -4px 20px rgba(28,26,25,0.06);
}
.mobile-cta .btn{ flex:1; }
body.has-mobile-cta{ padding-bottom:0; }

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .hero-grid{ grid-template-columns:1fr; }
  .donor-grid{ grid-template-columns:repeat(2,1fr); }
  .form-grid{ grid-template-columns:1fr; }
  .pulse-wrap{ max-height:100px; }
  .pulse-line{ max-height:100px; }
}

@media (max-width: 760px){
  /* Hamburger nav */
  .nav-toggle-btn{ display:flex; }
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:stretch; gap:4px;
    background:var(--surface); border-bottom:1px solid var(--line);
    box-shadow:0 12px 24px rgba(28,26,25,0.08);
    max-height:0; overflow:hidden; opacity:0;
    transition:max-height .25s ease, opacity .2s ease;
    padding:0 16px;
  }
  .nav-toggle-checkbox:checked ~ .nav-links{
    max-height:400px; opacity:1; padding:10px 16px 18px;
  }
  .nav-links a.nav-link{ padding:14px 12px; border-radius:10px; font-size:15px; }
  .nav-links a.nav-link:hover{ background:var(--paper); }
  .nav-user{ padding:10px 12px 0; margin-right:0; }
  .nav-links .btn{ margin:6px 0 0; width:100%; }
  .site-header{ position:sticky; }
  .nav{ position:relative; }

  body.has-mobile-cta{ padding-bottom:88px; }
  .mobile-cta{ display:flex; }
}

@media (max-width: 640px){
  .container{ padding:0 18px; }
  .hero{ padding-top:20px; }
  .hero-actions{ flex-direction:column; }
  .hero-actions .btn{ width:100%; }
  .hero-stats{ gap:20px 28px; }
  .section{ padding:36px 0; }
  .section-head{ margin-bottom:18px; }
  .section-head h2{ font-size:24px; }
  .card-pad{ padding:20px; }
  .form-page .card-pad{ padding:22px; }
  .donor-grid{ grid-template-columns:1fr; gap:12px; }
  .donor-card{ padding:16px; }

  /* Filter bar becomes a stacked card instead of a pill */
  .filter-bar{
    flex-direction:column; align-items:stretch;
    border-radius:16px; padding:14px;
    gap:10px;
  }
  .filter-bar select, .filter-bar input[type=text]{
    min-width:0; width:100%; padding:12px 10px; font-size:16px;
    border:1px solid var(--line); border-radius:10px;
  }
  .filter-bar .divider{ display:none; }
  .filter-bar .filter-check{ padding:4px 2px; }
  .filter-bar .btn{ margin-left:0; width:100%; order:99; }

  .footer-row{ flex-direction:column; align-items:flex-start; text-align:left; }
}

@media (max-width: 420px){
  .brand{ font-size:17px; }
  .hero h1{ font-size:28px; }
  .stat-num{ font-size:20px; }
  .drop-badge{ min-width:38px; height:38px; font-size:12px; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
  .pulse-line path{ animation:none; stroke-dashoffset:0; }
  html{ scroll-behavior:auto; }
  .nav-links{ transition:none; }
}