/* ═══════════════════════════ DESIGN TOKENS ═══════════════════════════ */
:root {
  --c-primary:       hsl(0,65%,51%);
  --c-primary-light: hsl(0,65%,62%);
  --c-primary-dark:  hsl(0,65%,40%);
  --c-primary-bg:    hsl(0,65%,97%);
  --c-accent:        hsl(42,100%,50%);
  --accent:          hsl(42,100%,50%); /* alias for ECG SVG */
  --c-bg:            hsl(30,50%,98%);
  --c-bg2:           hsl(30,30%,95%);
  --c-surface:       #fff;
  --c-surface2:      hsl(30,20%,97%);
  --c-border:        hsl(30,20%,88%);
  --c-text:          hsl(0,5%,15%);
  --c-text2:         hsl(0,5%,40%);
  --c-text3:         hsl(0,5%,60%);
  --c-success:       hsl(145,60%,40%);
  --c-warn:          hsl(42,100%,45%);
  --c-danger:        hsl(0,75%,50%);
  --r-sm: 8px; --r-md: 14px; --r-lg: 20px; --r-xl: 28px;
  --sh-sm: 0 1px 4px rgba(0,0,0,.07);
  --sh-md: 0 4px 16px rgba(0,0,0,.09);
  --sh-lg: 0 8px 32px rgba(0,0,0,.12);
  --tab-h:  60px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --hdr-h:  60px;
  --pg-pad: 16px;
  --font-head: 'Tajawal', sans-serif;
  --font-body: 'IBM Plex Sans Arabic', sans-serif;
  --transition: .2s ease;
}
.dark {
  --c-bg:         hsl(0,5%,10%);
  --c-bg2:        hsl(0,5%,13%);
  --c-surface:    hsl(0,5%,16%);
  --c-surface2:   hsl(0,5%,19%);
  --c-border:     hsl(0,5%,24%);
  --c-text:       hsl(30,15%,92%);
  --c-text2:      hsl(30,10%,70%);
  --c-text3:      hsl(30,8%,50%);
  --c-primary-bg: hsl(0,40%,16%);
  --sh-sm: 0 1px 4px rgba(0,0,0,.3);
  --sh-md: 0 4px 16px rgba(0,0,0,.35);
  --sh-lg: 0 8px 32px rgba(0,0,0,.45);
}

/* ═══════════════════════════ RESET ═══════════════════════════ */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0 }
html { font-size:16px; scroll-behavior:smooth }
body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  min-height: 100dvh;
  transition: background var(--transition), color var(--transition);
}
a { color:inherit; text-decoration:none }
img { display:block; max-width:100% }
button { font-family:inherit; cursor:pointer; border:none; background:none }
input, select, textarea { font-family:inherit; font-size:1rem }
h1,h2,h3,h4 { font-family:var(--font-head); font-weight:800; line-height:1.3 }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0 }

/* ═══════════════════════════ HEADER ═══════════════════════════ */
.app-header {
  position: fixed; top:0; right:0; left:0; z-index:100;
  height: var(--hdr-h);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  background: rgba(255,252,248,.88);
  border-bottom: 1px solid var(--c-border);
}
.dark .app-header { background: rgba(28,24,24,.88) }
.header-inner {
  height:100%;
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding: 0 var(--pg-pad);
}
.logo-wrap {
  display:flex; align-items:center; gap:8px;
  font-family: var(--font-head); font-weight:800; font-size:1.2rem; color:var(--c-primary);
}
.logo-drop {
  width:34px; height:34px; border-radius:50%;
  background:var(--c-primary); display:grid; place-items:center; color:#fff; flex-shrink:0;
}
.logo-text { color:var(--c-text) }
.header-nav { display:flex; gap:4px }
.nav-link {
  padding: 6px 10px; border-radius:var(--r-md);
  font-size:.88rem; font-weight:600; color:var(--c-text2);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.active { color:var(--c-primary) }
.nav-link.active { background:var(--c-primary-bg) }
.theme-btn {
  width:36px; height:36px; border-radius:50%; display:grid; place-items:center;
  color:var(--c-text2); transition: background var(--transition), color var(--transition);
}
.theme-btn:hover { background:var(--c-bg2); color:var(--c-text) }

/* ═══════════════════════════ PAGES ═══════════════════════════ */
.page {
  display: none;
  padding: calc(var(--hdr-h) + 12px) var(--pg-pad) calc(var(--tab-h) + var(--safe-b) + 24px);
}
.page.active { display:block; animation:page-in .3s ease }
@keyframes page-in { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }

/* ═══════════════════════════ BOTTOM TAB BAR ═══════════════════════════ */
.tab-bar {
  position:fixed; bottom:0; right:0; left:0; z-index:100;
  height: calc(var(--tab-h) + var(--safe-b));
  padding-bottom: var(--safe-b);
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  display:flex;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.tab {
  flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:3px;
  font-size:.7rem; font-weight:600; color:var(--c-text3);
  transition: color var(--transition);
}
.tab svg { stroke:currentColor; fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round }
.tab.active { color:var(--c-primary) }

/* ═══════════════════════════ BUTTONS ═══════════════════════════ */
.btn-primary {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 24px; border-radius:var(--r-md);
  background:var(--c-primary); color:#fff;
  font-weight:700; font-size:1rem; font-family:inherit;
  border:none; cursor:pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover { background:var(--c-primary-dark); transform:translateY(-1px); box-shadow:var(--sh-md) }
.btn-primary:active { transform:translateY(0) }
.btn-secondary {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:10px 20px; border-radius:var(--r-md);
  background:var(--c-primary-bg); color:var(--c-primary);
  font-weight:700; font-size:.95rem; font-family:inherit;
  border:none; cursor:pointer;
  transition: background var(--transition), color var(--transition);
}
.btn-secondary:hover { background:var(--c-primary); color:#fff }
.btn-ghost {
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  padding:8px 16px; border-radius:var(--r-md);
  background:transparent; color:var(--c-text2);
  border:1.5px solid var(--c-border); font-weight:600; font-size:.88rem; font-family:inherit;
  cursor:pointer; transition: border-color var(--transition), color var(--transition);
}
.btn-ghost:hover { border-color:var(--c-primary); color:var(--c-primary) }
.btn-sm { padding:7px 14px; font-size:.82rem }
.btn-wa {
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  padding:7px 14px; border-radius:var(--r-md); font-size:.82rem; font-weight:700;
  background:#25D366; color:#fff; border:none; cursor:pointer; font-family:inherit;
  transition: background var(--transition);
}
.btn-wa:hover { background:#1dba5a }

/* ═══════════════════════════ FORMS ═══════════════════════════ */
.form-group { margin-bottom:16px }
.form-label {
  display:block; font-size:.88rem; font-weight:600; color:var(--c-text2); margin-bottom:6px;
}
.required { color:var(--c-primary); font-size:.8rem }
.form-input {
  width:100%; padding:11px 14px;
  background:var(--c-bg2); border:1.5px solid var(--c-border);
  border-radius:var(--r-sm); color:var(--c-text);
  transition: border var(--transition), box-shadow var(--transition);
  font-family:inherit; font-size:1rem;
}
.form-input:focus { outline:none; border-color:var(--c-primary); box-shadow:0 0 0 3px hsl(0,65%,51%,.12) }
.form-input::placeholder { color:var(--c-text3) }
select.form-input {
  cursor:pointer; appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:left 12px center;
}
textarea.form-input { resize:vertical; min-height:80px }

/* ═══════════════════════════ CHIPS ═══════════════════════════ */
.chip-row { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:12px }
.chip {
  padding:7px 14px; border-radius:999px; font-size:.85rem; font-weight:600;
  cursor:pointer; border:1.5px solid var(--c-border);
  background:var(--c-surface); color:var(--c-text2);
  transition: all var(--transition);
  /* RTL fix: blood types like O+ must stay LTR */
  direction:ltr; unicode-bidi:isolate;
}
.chip:hover { border-color:var(--c-primary); color:var(--c-primary) }
.chip.active { background:var(--c-primary); border-color:var(--c-primary); color:#fff }

/* ═══════════════════════════ BLOOD BADGE ═══════════════════════════ */
.blood-badge, .req-blood {
  display:inline-flex; align-items:center; justify-content:center;
  width:44px; height:44px; border-radius:10px;
  font-family:var(--font-head); font-size:.95rem; font-weight:800;
  background:var(--c-primary); color:#fff; flex-shrink:0;
  direction:ltr; unicode-bidi:isolate;
}

/* ═══════════════════════════ HERO ═══════════════════════════ */
.hero {
  background: linear-gradient(135deg, var(--c-primary) 0%, hsl(0,70%,36%) 100%);
  color:#fff; border-radius:var(--r-xl);
  overflow:hidden; position:relative;
  padding: 56px 20px 28px;
  margin-bottom: 16px;
}
.hero-bg-blur {
  position:absolute; inset:0; pointer-events:none;
  background: radial-gradient(ellipse at 20% 50%, rgba(255,255,255,.08) 0%, transparent 60%);
}
.glass-badge {
  position:absolute; top:16px; right:16px; /* RTL: right not left */
  background:rgba(255,255,255,.18); backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.25); border-radius:var(--r-md);
  padding:7px 12px; font-size:.8rem; font-weight:700;
  display:flex; align-items:center; gap:6px;
  animation:float-slow 9s ease-in-out infinite;
}
@keyframes float-slow { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-5px)} }
.pulsing-dot {
  width:8px; height:8px; border-radius:50%; background:var(--c-accent);
  flex-shrink:0; animation:pulse-ring 2s ease infinite;
}
@keyframes pulse-ring {
  0%   { box-shadow:0 0 0 0 hsla(42,100%,50%,.6) }
  70%  { box-shadow:0 0 0 8px hsla(42,100%,50%,0) }
  100% { box-shadow:0 0 0 0 hsla(42,100%,50%,0) }
}
.hero-title {
  font-size: clamp(2rem,6vw,2.6rem); font-weight:800; line-height:1.15;
  margin-bottom:10px;
}
.hero-title-line { display:block }
.hero-title-line.accent { color:var(--c-accent) }
.hero-sub { font-size:.95rem; opacity:.88; margin-bottom:20px; max-width:380px }
.ecg-svg {
  position:absolute; bottom:0; left:0; right:0;
  opacity:.2; pointer-events:none; width:100%;
}
.stats-row {
  display:flex; gap:20px; flex-wrap:wrap; align-items:center;
  margin-top:4px;
}
.stat-item { text-align:center }
.stat-num {
  display:block; font-family:var(--font-head); font-size:1.6rem; font-weight:800; line-height:1;
}
.stat-label { font-size:.7rem; opacity:.8; display:block; margin-top:2px }
.stat-sep { opacity:.4; font-weight:300; font-size:1.4rem }

/* ═══════════════════════════ REQUESTS STRIP ═══════════════════════════ */
.requests-strip { margin-bottom:16px }
.req-card {
  background: linear-gradient(135deg, hsl(0,80%,96%), hsl(0,65%,93%));
  border: 1.5px solid hsl(0,65%,80%);
  border-radius: var(--r-md);
  padding: 12px 14px;
  display: flex; align-items:flex-start; gap:12px;
  margin-bottom: 10px;
}
.dark .req-card {
  background: linear-gradient(135deg,hsl(0,40%,16%),hsl(0,35%,13%));
  border-color: hsl(0,50%,30%);
}
.req-info { flex:1; min-width:0 }
.req-patient { font-weight:700; font-size:.9rem; margin-bottom:2px }
.req-loc { font-size:.78rem; color:var(--c-text2) }
.req-age {
  font-size:.72rem; font-weight:700; color:var(--c-primary);
  background:var(--c-primary-bg); padding:3px 8px; border-radius:999px;
  flex-shrink:0; white-space:nowrap; align-self:flex-start; margin-top:2px;
}

/* ═══════════════════════════ SEARCH BOX ═══════════════════════════ */
.search-box {
  background:var(--c-surface); border-radius:var(--r-lg);
  padding:16px; border:1px solid var(--c-border); box-shadow:var(--sh-sm);
  margin-bottom:16px;
}
.search-title {
  font-size:1.05rem; font-weight:800; margin-bottom:14px; color:var(--c-text);
}
.filter-row {
  display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:12px;
}
.select-wrap, .input-wrap { position:relative }
.select-wrap select, .input-wrap input { width:100% }
.search-name-wrap { grid-column:1/-1 }
.search-box input[type="text"],
.search-box select {
  width:100%; padding:10px 14px;
  background:var(--c-bg2); border:1.5px solid var(--c-border);
  border-radius:var(--r-sm); color:var(--c-text); font-family:inherit; font-size:.9rem;
  transition: border var(--transition);
}
.search-box input[type="text"]:focus,
.search-box select:focus { outline:none; border-color:var(--c-primary) }
.search-box input[type="text"]::placeholder { color:var(--c-text3) }
select.search-gov, select.search-city {
  appearance:none; cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:left 12px center;
}
.search-btn {
  width:100%; margin-top:4px;
  padding:11px; border-radius:var(--r-md);
  background:var(--c-primary); color:#fff;
  font-weight:700; font-size:.95rem; font-family:inherit;
  display:flex; align-items:center; justify-content:center; gap:8px;
  border:none; cursor:pointer;
  transition: background var(--transition), transform var(--transition);
}
.search-btn:hover { background:var(--c-primary-dark); transform:translateY(-1px) }

/* ═══════════════════════════ RESULTS ═══════════════════════════ */
.results-wrap { margin-bottom:16px }
.results-header {
  font-size:.88rem; font-weight:600; color:var(--c-text2);
  margin-bottom:10px; min-height:1.2em;
}
.fallback-notice {
  background:hsl(42,100%,96%); border:1px solid hsl(42,100%,80%);
  border-radius:var(--r-md); padding:10px 14px;
  font-size:.82rem; color:hsl(42,80%,30%); margin-bottom:12px;
}
.dark .fallback-notice { background:hsl(42,80%,15%); border-color:hsl(42,80%,30%); color:hsl(42,80%,75%) }
.fallback-notice[hidden] { display:none }
.donor-grid { display:grid; gap:10px }
.load-more-btn {
  width:100%; margin-top:12px; padding:11px;
  border-radius:var(--r-md); border:1.5px solid var(--c-border);
  background:transparent; color:var(--c-text2); font-weight:600; font-size:.9rem;
  cursor:pointer; font-family:inherit;
  transition: border-color var(--transition), color var(--transition);
}
.load-more-btn:hover { border-color:var(--c-primary); color:var(--c-primary) }
.load-more-btn[hidden] { display:none }

/* ═══════════════════════════ DONOR CARDS ═══════════════════════════ */
.donor-card {
  background:var(--c-surface); border-radius:var(--r-lg);
  border:1px solid var(--c-border); padding:14px;
  display:flex; gap:12px; align-items:flex-start;
  transition: box-shadow var(--transition), transform var(--transition);
}
.donor-card:hover { box-shadow:var(--sh-md); transform:translateY(-2px) }
.donor-info { flex:1; min-width:0 }
.donor-name { font-weight:700; font-size:.95rem; margin-bottom:3px }
.donor-meta {
  font-size:.8rem; color:var(--c-text2);
  display:flex; flex-wrap:wrap; gap:4px 10px; margin-bottom:8px;
}
.donor-actions { display:flex; gap:8px; flex-wrap:wrap }
.avail-dot {
  display:inline-block; width:8px; height:8px; border-radius:50%;
  background:var(--c-success); flex-shrink:0; margin-top:6px;
}
.avail-dot.unavail { background:var(--c-text3) }
.empty-state { text-align:center; padding:40px 20px; color:var(--c-text2) }
.empty-icon { font-size:3rem; margin-bottom:12px }

/* ═══════════════════════════ STEPS & TIPS ═══════════════════════════ */
.steps-section, .tips-section, .cta-section { margin-top:28px }
.section-title { font-size:1.05rem; font-weight:800; margin-bottom:12px }
.steps-grid {
  display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:12px;
}
.step-card {
  background:var(--c-surface); border:1px solid var(--c-border);
  border-radius:var(--r-lg); padding:18px 16px; text-align:center;
}
.step-icon { font-size:2rem; margin-bottom:8px }
.step-card h3 { font-size:.9rem; font-weight:700; margin-bottom:4px }
.step-card p { font-size:.8rem; color:var(--c-text2) }
.tips-list {
  list-style:none; display:grid; gap:8px;
  padding:0;
}
.tips-list li {
  background:var(--c-surface); border:1px solid var(--c-border);
  border-radius:var(--r-md); padding:11px 14px; font-size:.88rem;
  display:flex; gap:10px; align-items:flex-start;
}
.tips-list li::before { content:"💡"; flex-shrink:0 }
.cta-section {
  background:linear-gradient(135deg,var(--c-primary),hsl(0,70%,36%));
  border-radius:var(--r-xl); padding:28px 20px; color:#fff; text-align:center;
}
.cta-section h2 { font-size:1.3rem; margin-bottom:8px }
.cta-section p { opacity:.88; font-size:.9rem; margin-bottom:16px }
.cta-section .btn-primary {
  background:#fff; color:var(--c-primary);
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
}
.cta-section .btn-primary:hover { background:hsl(30,50%,95%); transform:translateY(-1px) }

/* ═══════════════════════════ REGISTER PAGE ═══════════════════════════ */
.register-wrap { max-width:520px; margin:0 auto }
.register-title { font-size:1.3rem; font-weight:800; margin-bottom:4px }
.register-sub { font-size:.88rem; color:var(--c-text2); margin-bottom:20px }
.gender-row { display:flex; gap:10px; margin-bottom:4px }
.gender-btn {
  flex:1; padding:12px; border:2px solid var(--c-border);
  border-radius:var(--r-md); display:flex; flex-direction:column;
  align-items:center; justify-content:center; gap:4px;
  font-size:.88rem; font-weight:600; color:var(--c-text2);
  background:var(--c-surface); cursor:pointer;
  transition: all var(--transition);
}
.gender-btn span { font-size:1.6rem }
.gender-btn.active { border-color:var(--c-primary); color:var(--c-primary); background:var(--c-primary-bg) }
.submit-btn {
  width:100%; padding:13px; border-radius:var(--r-md);
  background:var(--c-primary); color:#fff;
  font-weight:700; font-size:1rem; font-family:inherit;
  border:none; cursor:pointer; margin-top:4px;
  transition: background var(--transition), transform var(--transition);
}
.submit-btn:hover { background:var(--c-primary-dark); transform:translateY(-1px) }

/* Register success */
.success-card {
  text-align:center; padding:40px 20px;
  animation:page-in .4s ease;
}
.success-card[hidden] { display:none }
.success-icon {
  font-size:3.5rem; margin-bottom:16px; display:block;
}
.success-card h3 { font-size:1.3rem; margin-bottom:8px }
.success-card p { color:var(--c-text2); margin-bottom:20px }

/* ═══════════════════════════ SETTINGS PAGE ═══════════════════════════ */
.settings-wrap { max-width:520px; margin:0 auto }
.settings-title { font-size:1.3rem; font-weight:800; margin-bottom:20px }
.setting-row {
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:14px 0; border-bottom:1px solid var(--c-border);
}
.setting-info { flex:1; min-width:0 }
.setting-label { display:block; font-size:.95rem; font-weight:600 }
.setting-desc { font-size:.8rem; color:var(--c-text2); margin-top:2px; display:block }
/* Toggle switch */
.toggle-wrap { position:relative; cursor:pointer; flex-shrink:0 }
.toggle-wrap input { opacity:0; width:0; height:0; position:absolute }
.toggle-track {
  display:flex; align-items:center; justify-content:flex-end;
  width:48px; height:28px; border-radius:999px;
  background:var(--c-border); padding:3px;
  transition: background var(--transition);
}
.toggle-wrap input:checked ~ .toggle-track { background:var(--c-primary); justify-content:flex-start }
.toggle-icon {
  width:22px; height:22px; border-radius:50%; background:#fff;
  display:grid; place-items:center;
  box-shadow:0 1px 4px rgba(0,0,0,.2);
  color:var(--c-text2); flex-shrink:0;
}
.setting-section { margin-top:24px }
.setting-section-title {
  font-size:.88rem; font-weight:700; color:var(--c-text2);
  text-transform:uppercase; letter-spacing:.04em; margin-bottom:12px;
}
.setting-about { font-size:.88rem; color:var(--c-text2); margin-bottom:6px }
.setting-version { font-size:.78rem; color:var(--c-text3) }

/* ═══════════════════════════ MODAL ═══════════════════════════ */
#modal-backdrop {
  position:fixed; inset:0; background:rgba(0,0,0,.5); z-index:200;
  backdrop-filter:blur(4px); -webkit-backdrop-filter:blur(4px);
  display:flex; align-items:flex-end; justify-content:center;
}
#modal-backdrop[hidden] { display:none }
.modal-box {
  background:var(--c-surface); border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:24px 20px 32px; width:100%; max-width:560px;
  max-height:90dvh; overflow-y:auto;
  animation:slide-up .3s ease;
}
@keyframes slide-up { from{transform:translateY(100%)} to{transform:translateY(0)} }
.modal-close {
  position:absolute; top:16px; left:16px;
  width:32px; height:32px; border-radius:50%;
  display:grid; place-items:center;
  background:var(--c-bg2); color:var(--c-text2); font-size:1rem;
  cursor:pointer; transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background:var(--c-border); color:var(--c-text) }
.modal-title { font-size:1.1rem; font-weight:800; margin-bottom:16px }
.modal-footer { margin-top:16px }

/* ═══════════════════════════ TOAST ═══════════════════════════ */
#toast, .toast {
  position:fixed;
  bottom:calc(var(--tab-h) + var(--safe-b) + 16px);
  left:50%; transform:translateX(-50%);
  background:var(--c-text); color:var(--c-bg);
  padding:10px 22px; border-radius:999px;
  font-size:.88rem; font-weight:600; white-space:nowrap;
  z-index:9999; pointer-events:none;
  opacity:0; transition:opacity .3s ease;
  box-shadow:0 4px 20px rgba(0,0,0,.18);
}

/* ═══════════════════════════ SKELETON ═══════════════════════════ */
.skeleton {
  background:linear-gradient(90deg,var(--c-bg2) 25%,var(--c-border) 50%,var(--c-bg2) 75%);
  background-size:200% 100%; animation:shimmer 1.4s infinite; border-radius:var(--r-sm);
}
@keyframes shimmer { from{background-position:200% 0} to{background-position:-200% 0} }

/* ═══════════════════════════ UTILITIES ═══════════════════════════ */
.hidden { display:none !important }
.text-muted { color:var(--c-text2) }
.mt-8  { margin-top:8px }  .mt-12 { margin-top:12px } .mt-16 { margin-top:16px }
.mb-8  { margin-bottom:8px } .mb-12 { margin-bottom:12px }
.separator { height:1px; background:var(--c-border); margin:16px 0 }
footer {
  text-align:center; padding:16px; font-size:.78rem;
  color:var(--c-text3); border-top:1px solid var(--c-border); margin-top:16px;
}

/* ═══════════════════════════ RESPONSIVE ═══════════════════════════ */
@media (min-width:600px) {
  .page { padding-top:calc(var(--hdr-h) + 20px) }
  .tab-bar {
    left:50%; right:auto; transform:translateX(-50%);
    width:420px; border-radius:var(--r-xl) var(--r-xl) 0 0;
    border-left:1px solid var(--c-border);
    border-right:1px solid var(--c-border);
  }
  .filter-row { grid-template-columns:1fr 1fr 1fr }
  .search-name-wrap { grid-column:auto }
}