/* ═══════════════════════════════════════════════════════════
   MagicBlock Time Capsule — CSS v10
   Fonts: Syne (display), Space Grotesk (UI), JetBrains Mono (data)
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg:           #04050a;
  --border:       rgba(89, 240, 255, 0.13);
  --border-hi:    rgba(89, 240, 255, 0.28);
  --text:         #edf6ff;
  --muted:        rgba(210, 232, 255, 0.72);
  --muted-2:      rgba(210, 232, 255, 0.48);
  --label:        rgba(140, 190, 230, 0.82);
  --cyan:         #59f0ff;
  --violet:       #9d72ff;
  --magenta:      #ff4fd8;
  --green:        #62f6b1;
  --red:          #ff6f9c;
  --glow-cyan:    0 0 0 1px rgba(89,240,255,.18), 0 0 28px rgba(89,240,255,.14);
  --glow-green:   0 0 0 1px rgba(98,246,177,.28), 0 0 24px rgba(98,246,177,.14);
  --shadow:       0 24px 80px rgba(0, 0, 0, 0.55);
  --r-xl: 22px;
  --r-lg: 16px;
  --r-md: 12px;
  --r-sm: 8px;
  --font-display: 'Syne', system-ui, sans-serif;
  --font-ui:      'Space Grotesk', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  /* topbar heights — single source of truth */
  --topbar-h:     60px;
  --topbar-h-mob: 56px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  height: 100%;
  min-height: 100%;
  background: #04050a; /* fallback shown during fast overscroll/rubber-band */
  overscroll-behavior-y: none;
}

html {
  /* Match app background so browser overscroll never reveals white */
  background:
    radial-gradient(ellipse 900px 500px at 8% 5%,  rgba(89,240,255,.08), transparent 65%),
    radial-gradient(ellipse 800px 500px at 92% 10%, rgba(157,114,255,.10), transparent 65%),
    radial-gradient(ellipse 700px 450px at 48% 110%,rgba(255,79,216,.08), transparent 65%),
    linear-gradient(180deg, #05060c 0%, #03040a 100%);
}

body {
  margin: 0;
  font-family: var(--font-ui);
  color: var(--text);
  background:
    radial-gradient(ellipse 900px 500px at 8% 5%,  rgba(89,240,255,.08), transparent 65%),
    radial-gradient(ellipse 800px 500px at 92% 10%, rgba(157,114,255,.10), transparent 65%),
    radial-gradient(ellipse 700px 450px at 48% 110%,rgba(255,79,216,.08), transparent 65%),
    linear-gradient(180deg, #05060c 0%, #03040a 100%);
  background-attachment: scroll; /* fixed can cause white flash/artifacts on fast scroll */
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* NO overflow:hidden on body — scroll must work everywhere */
}

@media (hover: hover) and (pointer: fine) {
  body { background-attachment: fixed; }
}

/* Grid overlay */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(89,180,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(89,180,255,.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none; z-index: 0;
  mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 90%);
}

/* CRT scanlines */
body::after {
  content: "";
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,.012) 0px, rgba(255,255,255,.012) 1px,
    transparent 2px, transparent 4px
  );
  pointer-events: none; z-index: 0;
}

.hidden { display: none !important; }

/* ─────────────────────────────────────────────────────────
   APP SHELL
   Desktop: topbar fixed + everything below scrolls together
   Mobile:  same, single natural scroll column
   ───────────────────────────────────────────────────────── */
#app {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  min-height: 100dvh;
}

/* ── Typography helpers ── */
.gradient-text {
  font-style: normal;
  background: linear-gradient(90deg, var(--cyan) 0%, #a7edff 35%, #c39cff 65%, #ffb1ef 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.card-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 500;
  letter-spacing: .20em; color: var(--cyan); opacity: .65;
  text-transform: uppercase; margin-bottom: 4px;
}

/* ── Topbar ── */
.topbar {
  height: var(--topbar-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px;
  background: linear-gradient(180deg, rgba(5,7,14,.92), rgba(5,7,14,.72));
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
  box-shadow: 0 1px 0 rgba(89,240,255,.08), 0 8px 24px rgba(0,0,0,.3);
  flex-shrink: 0;
}
.topbar::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent 5%, var(--cyan) 35%, var(--magenta) 65%, transparent 95%);
  opacity: .5;
}

.brand { display: flex; align-items: center; }
.brand.brand-logo { max-width: min(46vw, 320px); }
.brand.brand-logo img {
  display: block; width: auto; max-width: 100%; max-height: 42px;
  filter: drop-shadow(0 0 12px rgba(89,240,255,.26));
}

/* Profile chip */
.profile-mini {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 10px 5px 6px; border-radius: 999px;
  border: 1px solid var(--border-hi);
  background: linear-gradient(135deg, rgba(89,240,255,.06), rgba(157,114,255,.06));
  max-width: min(42vw, 240px); min-width: 0;
  box-shadow: var(--glow-cyan);
}
.profile-mini img {
  width: 28px; height: 28px; border-radius: 50%; object-fit: cover;
  border: 1.5px solid var(--border-hi);
  box-shadow: 0 0 12px rgba(89,240,255,.22); flex-shrink: 0;
}
.profile-mini span:not(.profile-mini-badge) {
  font-weight: 600; font-size: 13px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.profile-mini-badge {
  font-family: var(--font-mono);
  font-size: 9px; font-weight: 500; letter-spacing: .14em;
  color: var(--green); opacity: .8; flex-shrink: 0;
  padding: 2px 6px;
  border: 1px solid rgba(98,246,177,.22); border-radius: 999px;
}

/* ── Music player ── */
.music-btn {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--muted); cursor: pointer;
  font-size: 15px; transition: all .18s ease;
  flex-shrink: 0;
}
.music-btn:hover { border-color: var(--border-hi); color: var(--cyan); box-shadow: var(--glow-cyan); }
.music-btn.playing { color: var(--cyan); border-color: rgba(89,240,255,.4); box-shadow: var(--glow-cyan); }
.music-btn.playing .music-icon { animation: music-pulse 1.4s ease-in-out infinite; }
@keyframes music-pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.15); } }

/* topbar right cluster */
.topbar-right { display: flex; align-items: center; gap: 8px; }

/* ─────────────────────────────────────────────────────────
   MAIN CONTENT AREA
   Desktop: two-column grid, fixed height = viewport - topbar
            viewer + sidepanel both fill that height
            The entire page (including feed below) scrolls via body
   Mobile:  single column, natural height, body scrolls
   ───────────────────────────────────────────────────────── */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(440px, 32vw, 600px);
  gap: 10px;
  padding: 10px;
  /* Desktop: exact viewport minus topbar so nothing is clipped */
  /* Height removed — body scrolls naturally so feed is always reachable */
  min-height: calc(100dvh - var(--topbar-h));
  align-items: stretch;
  flex-shrink: 0;
}

.viewer-panel { min-height: calc(100dvh - var(--topbar-h) - 20px); }
.viewer-panel, .side-panel { min-height: 0; min-width: 0; }

/* ── Viewer Panel ── */
.viewer-panel {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  background:
    radial-gradient(600px 300px at 14% 10%, rgba(89,240,255,.07), transparent 65%),
    radial-gradient(500px 300px at 88% 16%, rgba(157,114,255,.07), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,.018), rgba(255,255,255,.004));
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(255,255,255,.018);
}
.viewer-panel::before {
  content: ""; position: absolute; inset: 10px; border-radius: 14px;
  border: 1px solid rgba(89,240,255,.06); pointer-events: none; z-index: 1;
}

#viewer { width: 100%; height: 100%; min-height: 0; position: relative; overflow: hidden; }
#viewer canvas { display: block; width: 100% !important; height: 100% !important; }

/* Loading indicator */
.viewer-loading {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  z-index: 3; background: rgba(4,5,10,.75); backdrop-filter: blur(4px);
  border-radius: var(--r-xl);
}
.viewer-loading p {
  margin: 0; font-family: var(--font-mono); font-size: 12px;
  color: var(--cyan); opacity: .7; letter-spacing: .14em; text-transform: uppercase;
}
.viewer-loading-ring {
  width: 44px; height: 44px; border-radius: 50%;
  border: 2px solid rgba(89,240,255,.12); border-top-color: var(--cyan);
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Load error */
.viewer-load-error {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; text-align: center; padding: 20px; background: rgba(4,5,10,.85);
}
.viewer-load-error span { font-size: 32px; }
.viewer-load-error p { margin: 0; color: var(--red); font-weight: 600; }
.viewer-load-error small { color: var(--muted-2); }

/* Sealed overlay */
.viewer-overlay {
  position: absolute; inset: 0;
  display: grid; place-content: center; gap: 8px; text-align: center;
  background: radial-gradient(circle at center, rgba(4,6,12,.18), rgba(4,6,12,.82));
  pointer-events: none; z-index: 2;
}
.viewer-overlay.is-blocking { pointer-events: auto; }
.viewer-overlay-card {
  display: grid; justify-items: center; gap: 12px; padding: 20px 24px;
  border-radius: var(--r-lg); border: 1px solid rgba(98,246,177,.22);
  background: linear-gradient(180deg, rgba(10,14,22,.86), rgba(8,11,18,.72));
  box-shadow: 0 16px 48px rgba(0,0,0,.4), var(--glow-green);
  backdrop-filter: blur(8px);
}
.seal-badge {
  padding: 10px 20px; border-radius: 999px;
  border: 1px solid rgba(98,246,177,.35);
  background: linear-gradient(135deg, rgba(98,246,177,.12), rgba(89,240,255,.1));
  color: var(--green); font-family: var(--font-mono);
  font-size: 12px; font-weight: 600; letter-spacing: .22em;
  box-shadow: 0 0 28px rgba(98,246,177,.16);
}
.viewer-overlay p { margin: 0; color: var(--muted); font-size: 14px; }
.overlay-ok-btn { min-width: 120px; }

/* ── Side Panel ── */
.side-panel {
  display: flex; flex-direction: column; gap: 10px;
  min-height: 0; overflow-y: auto; overflow-x: hidden;
}

/* ── Cards ── */
.card {
  position: relative;
  background: linear-gradient(160deg, rgba(12,15,26,.90), rgba(8,11,20,.85));
  border: 1px solid var(--border); border-radius: var(--r-xl);
  padding: 16px; box-shadow: var(--shadow); min-width: 0; overflow: hidden;
}
.card::after {
  content: ""; position: absolute; top: 0; left: 20px; right: 20px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(89,240,255,.22), rgba(157,114,255,.18), transparent);
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: var(--r-xl);
  background: linear-gradient(140deg, rgba(89,240,255,.03), transparent 45%, rgba(255,79,216,.03));
  pointer-events: none;
}
.card h2 {
  font-family: var(--font-display); font-size: 18px; font-weight: 800;
  margin: 0 0 14px; color: var(--text); letter-spacing: -.01em;
}
.card h3 {
  font-family: var(--font-display); font-size: 15px; font-weight: 700;
  margin: 0 0 10px; color: var(--text);
}
.card.compact { flex-shrink: 0; }

/* Side panel card — flexible message area */
.side-panel > .card:first-child {
  flex: 1; display: flex; flex-direction: column; min-height: 0;
}
.side-panel > .card:first-child .field {
  flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 6px;
}
.side-panel > .card:first-child .field .field-label { flex-shrink: 0; }
.side-panel > .card:first-child textarea { flex: 1; min-height: 100px; height: 0; }
.side-panel > .card:first-child .char-row  { flex-shrink: 0; }
.side-panel > .card:first-child .until-box { flex-shrink: 0; }
.side-panel > .card:first-child .actions   { margin-top: 14px; flex-shrink: 0; }
.side-panel > .card.compact { margin-top: auto; }

/* ── Form Fields ── */
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-size: 12px; font-weight: 600; color: var(--label);
  letter-spacing: .04em; text-transform: uppercase;
}
.field-label .required { color: var(--cyan); margin-left: 2px; }
.char-range { font-weight: 400; font-size: 11px; color: var(--muted-2); text-transform: none; letter-spacing: 0; }

input[type="text"], textarea {
  width: 100%; background: rgba(255,255,255,.03);
  border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 11px 13px; color: var(--text);
  font-family: var(--font-ui); font-size: 14px; font-weight: 500;
  transition: border-color .18s, box-shadow .18s, background .18s;
  outline: none; resize: none;
}
input[type="text"]::placeholder, textarea::placeholder { color: var(--muted-2); }
input[type="text"]:focus, textarea:focus {
  border-color: var(--border-hi); background: rgba(89,240,255,.04); box-shadow: var(--glow-cyan);
}
textarea { line-height: 1.6; }
.field small { font-size: 11px; color: var(--muted-2); line-height: 1.4; }

/* File picker (A-01 FIX) */
.sr-only-file {
  position: absolute !important; width: 1px !important; height: 1px !important;
  padding: 0 !important; margin: -1px !important; overflow: hidden !important;
  clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important;
}
.file-picker {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  background: rgba(255,255,255,.03); border: 1px solid var(--border);
  border-radius: var(--r-md); cursor: pointer;
  transition: border-color .18s, box-shadow .18s, background .18s; min-width: 0;
}
.file-picker:focus, .file-picker:focus-visible {
  outline: none; border-color: var(--cyan); box-shadow: var(--glow-cyan); background: rgba(89,240,255,.04);
}
.file-picker:hover { border-color: var(--border-hi); background: rgba(89,240,255,.03); }
.file-picker-icon {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: var(--r-sm);
  background: linear-gradient(135deg, rgba(89,240,255,.14), rgba(157,114,255,.12));
  border: 1px solid rgba(89,240,255,.2); font-size: 13px; color: var(--cyan); flex-shrink: 0;
}
.file-picker-btn { font-size: 13px; font-weight: 600; color: var(--cyan); white-space: nowrap; flex-shrink: 0; }
.file-picker-name { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }

/* Avatar preview */
.avatar-preview-wrap { display: flex; justify-content: center; }
.avatar-preview {
  width: 116px; height: 116px; border-radius: var(--r-lg);
  border: 1px dashed rgba(89,240,255,.22); display: grid; place-items: center;
  background: linear-gradient(160deg, rgba(89,240,255,.04), rgba(157,114,255,.04));
  overflow: hidden; transition: border-color .18s;
}
.avatar-preview img { width: 100%; height: 100%; object-fit: cover; }
.avatar-placeholder-text {
  font-family: var(--font-mono); font-size: 9px; font-weight: 500;
  letter-spacing: .18em; color: var(--muted-2);
}

/* Char row */
.char-row {
  display: flex; justify-content: space-between; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; color: var(--muted-2); padding-top: 4px;
}

/* Until box */
.until-box {
  margin: 14px 0 0; border: 1px solid rgba(89,240,255,.14);
  border-radius: var(--r-md); padding: 12px 14px;
  background: linear-gradient(135deg, rgba(89,240,255,.05), rgba(157,114,255,.04));
  position: relative; overflow: hidden; flex-shrink: 0;
}
.until-box::before {
  content: ""; position: absolute; inset: -1px;
  background: linear-gradient(135deg, rgba(89,240,255,.10), transparent 45%, rgba(255,79,216,.10));
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  padding: 1px; pointer-events: none;
}
.until-title {
  font-family: var(--font-mono); font-size: 10px; font-weight: 500;
  letter-spacing: .18em; color: var(--muted-2); text-transform: uppercase; margin-bottom: 2px;
}
.until-value {
  font-family: var(--font-display); font-size: 26px; font-weight: 800; letter-spacing: .1em;
  background: linear-gradient(90deg, var(--cyan), #a7edff 30%, #c39cff 65%, #ffb1ef);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1.1; margin-bottom: 2px;
}
.until-note { font-size: 11px; color: var(--muted-2); }

/* Actions */
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: none; border-radius: var(--r-md);
  padding: 11px 16px; font-family: var(--font-ui);
  font-size: 14px; font-weight: 700; cursor: pointer;
  letter-spacing: .01em;
  transition: transform .12s, opacity .12s, box-shadow .22s;
  position: relative; overflow: hidden; white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.btn::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(110deg, transparent 15%, rgba(255,255,255,.22) 48%, transparent 78%);
  transform: translateX(-120%); transition: transform .5s;
}
.btn:hover:not(:disabled)::after { transform: translateX(120%); }
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:active:not(:disabled) { transform: translateY(0); }
.btn:disabled { opacity: .38; cursor: not-allowed; transform: none; }
.btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.btn-primary {
  color: #030f18;
  background: linear-gradient(135deg, #59f0ff 0%, #8fe5ff 35%, #a78dff 70%, #ff7ce9 100%);
  box-shadow: 0 6px 22px rgba(89,240,255,.18), 0 6px 28px rgba(157,114,255,.12);
  border: 1px solid rgba(255,255,255,.16);
}
.btn-seal { flex: 1; justify-content: center; }
.seal-icon { font-size: 14px; }
.btn-ghost {
  color: var(--text); background: rgba(255,255,255,.03); border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) { border-color: var(--border-hi); box-shadow: var(--glow-cyan); background: rgba(89,240,255,.04); }
.btn-sm { padding: 8px 12px; font-size: 13px; }
.btn-arrow { font-size: 16px; }
.refresh-icon { display: inline-block; transition: transform .3s; }
#refreshFeedBtn:hover .refresh-icon { transform: rotate(180deg); }
#refreshFeedBtn:disabled .refresh-icon { animation: spin .8s linear infinite; }

/* ── Status List ── */
.status-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.status-list li {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 8px 12px; background: rgba(255,255,255,.018);
  border: 1px solid rgba(89,240,255,.08); border-radius: var(--r-sm);
}
.status-list li:nth-child(even) { border-color: rgba(255,79,216,.07); }
.status-list span { font-size: 12px; color: var(--label); font-weight: 500; letter-spacing: .02em; }
.status-list b { font-family: var(--font-mono); font-size: 12px; color: var(--text); font-weight: 500; }

/* ── Modal ── */
.modal {
  position: fixed; inset: 0; background: rgba(2,3,7,.80);
  backdrop-filter: blur(12px) saturate(130%);
  display: none; place-items: center; padding: 16px; z-index: 20;
}
.modal.is-open { display: grid; }
.modal-card {
  width: min(560px, 100%);
  background:
    radial-gradient(380px 130px at 15% 0%, rgba(89,240,255,.07), transparent 65%),
    radial-gradient(360px 150px at 90% 5%,  rgba(255,79,216,.06), transparent 65%),
    rgba(9,12,20,.96);
  border: 1px solid var(--border); border-radius: var(--r-xl);
  padding: 22px; box-shadow: var(--shadow), inset 0 0 0 1px rgba(255,255,255,.02);
  position: relative; overflow: hidden; max-height: 90dvh; overflow-y: auto;
}
.modal-card::after {
  content: ""; position: absolute; top: 0; left: 16px; right: 16px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(89,240,255,.35), rgba(255,79,216,.28), transparent);
}
.modal-eyebrow {
  font-family: var(--font-mono); font-size: 10px; font-weight: 500;
  letter-spacing: .22em; color: var(--cyan); opacity: .65; margin-bottom: 8px;
}
.modal-card h1 {
  font-family: var(--font-display); font-size: 28px; font-weight: 800;
  margin: 0 0 8px; line-height: 1.1; letter-spacing: -.02em; color: var(--text);
}
.modal-card .muted { color: var(--muted); font-size: 13px; margin: 0 0 16px; line-height: 1.5; }
.form-grid { display: grid; gap: 14px; }
.avatar-preview-wrap { display: flex; justify-content: center; }
.modal-card .btn { width: 100%; justify-content: center; }

/* ─────────────────────────────────────────────────────────
   FEED SECTION — always below the two-column layout,
   scrollable as part of normal page scroll
   ───────────────────────────────────────────────────────── */
.feed-section {
  margin: 0 10px 10px;
  padding: 16px; border-radius: var(--r-xl);
  /* No max-height, no overflow hidden — grows naturally */
}
.feed-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 12px; margin-bottom: 14px;
}
.feed-head h2 {
  font-family: var(--font-display); font-size: 16px; font-weight: 800; margin: 0; letter-spacing: -.01em;
}
.feed-empty {
  display: flex; flex-direction: column; align-items: center;
  gap: 8px; padding: 28px 12px; color: var(--muted-2); text-align: center;
}
.feed-empty-icon { font-size: 24px; opacity: .4; }
.feed-empty p { margin: 0; font-size: 13px; }
.capsule-feed-list { display: grid; gap: 8px; }
.feed-row {
  display: grid; grid-template-columns: 42px minmax(110px,1fr) 68px auto;
  align-items: center; gap: 12px; padding: 10px 12px; border-radius: var(--r-md);
  background: rgba(255,255,255,.025); border: 1px solid rgba(89,240,255,.08);
  transition: border-color .18s, background .18s;
}
.feed-row:hover { background: rgba(89,240,255,.04); border-color: rgba(89,240,255,.16); }
.feed-avatar {
  width: 42px; height: 42px; border-radius: 50%; object-fit: cover; display: block;
  border: 1.5px solid rgba(89,240,255,.22); background: rgba(255,255,255,.03);
}
.feed-nick { min-width: 0; font-weight: 700; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.feed-box {
  width: 68px; height: 48px; border-radius: var(--r-sm);
  object-fit: cover; display: block; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.03);
}
.feed-date { font-family: var(--font-mono); font-size: 11px; color: var(--muted-2); text-align: right; white-space: nowrap; }

/* ── Toast ── */
.toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(16px);
  z-index: 100; min-width: 240px; max-width: min(480px, calc(100vw - 32px));
  padding: 12px 18px; border-radius: var(--r-md);
  font-size: 13px; font-weight: 600; text-align: center;
  opacity: 0; transition: opacity .3s, transform .3s;
  backdrop-filter: blur(12px); pointer-events: none;
}
.toast.toast-visible { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast-error   { background: rgba(255,80,100,.15);  border: 1px solid rgba(255,80,100,.3);  color: #ffa0b0; }
.toast-warning { background: rgba(255,208,96,.12);  border: 1px solid rgba(255,208,96,.28); color: #ffd870; }
.toast-info    { background: rgba(89,240,255,.10);  border: 1px solid rgba(89,240,255,.24); color: var(--cyan); }


/* ── Music toggle button ── */
.music-btn {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--muted); cursor: pointer; font-size: 16px;
  transition: all .2s ease; flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}
.music-btn:hover { border-color: var(--border-hi); color: var(--cyan); box-shadow: var(--glow-cyan); }
.music-btn.playing { color: var(--cyan); border-color: rgba(89,240,255,.4); box-shadow: var(--glow-cyan); }
.music-btn .music-icon { display: block; line-height: 1; }
.music-btn.playing .music-icon { animation: music-pulse 1.6s ease-in-out infinite; }
@keyframes music-pulse { 0%,100% { transform: scale(1) rotate(-8deg); } 50% { transform: scale(1.2) rotate(8deg); } }

.topbar-right { display: flex; align-items: center; gap: 8px; }

/* ── Scrollbars ── */
* { scrollbar-width: thin; scrollbar-color: rgba(89,240,255,.22) rgba(255,255,255,.03); }
*::-webkit-scrollbar { width: 6px; height: 6px; }
*::-webkit-scrollbar-track { background: rgba(255,255,255,.03); border-radius: 999px; }
*::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(89,240,255,.28), rgba(157,114,255,.28));
  border-radius: 999px;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */

/* ── Wide desktop ── */
@media (min-width: 1340px) {
  .layout { grid-template-columns: minmax(0,1fr) clamp(480px,32vw,640px); }
}

/* ── Compact desktop (short viewport) ── */
@media (min-width: 981px) and (max-height: 800px) {
  .layout { gap: 8px; padding: 8px; grid-template-columns: minmax(0,1fr) clamp(380px,30vw,540px); }
  .card { padding: 12px; }
  .card h2 { font-size: 15px; margin-bottom: 8px; }
  .until-value { font-size: 20px; }
  .until-box { margin-top: 8px; padding: 10px 12px; }
  .btn { padding: 9px 13px; font-size: 13px; }
  .status-list li { padding: 6px 10px; }
}

/* ── Tablet portrait / large phone landscape ── */
@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
    height: auto; min-height: 0;
    padding: 8px; gap: 8px;
  }
  .side-panel {
    overflow: visible; height: auto;
  }
  .side-panel > .card:first-child {
    flex: none;
  }
  .side-panel > .card:first-child textarea {
    flex: none; height: auto; min-height: 140px;
  }
  #viewer { min-height: 380px; max-height: 50vw; }
  .topbar { height: var(--topbar-h-mob); }
  .brand.brand-logo { max-width: min(55vw, 240px); }
  .brand.brand-logo img { max-height: 32px; }
  .profile-mini-badge { display: none; } /* save space on mobile */
  .feed-section { margin: 0 8px 8px; }
}

/* ── Phone ── */
@media (max-width: 600px) {
  :root { --topbar-h-mob: 52px; }

  .topbar { padding: 0 12px; }
  .brand.brand-logo { max-width: min(52vw, 200px); }
  .brand.brand-logo img { max-height: 28px; }
  .profile-mini { padding: 4px 8px 4px 5px; gap: 6px; }
  .profile-mini img { width: 24px; height: 24px; }
  .profile-mini span:not(.profile-mini-badge) { font-size: 12px; }

  .layout { padding: 8px; gap: 8px; }
  .card { padding: 12px; border-radius: var(--r-lg); }
  .card h2 { font-size: 16px; }

  #viewer { min-height: 260px; max-height: 60vw; }

  .until-value { font-size: 22px; }

  .modal-card { padding: 16px; border-radius: var(--r-lg); }
  .modal-card h1 { font-size: 22px; }
  .avatar-preview { width: 96px; height: 96px; }

  .feed-section { margin: 0 8px 12px; padding: 12px; }
  .feed-head h2 { font-size: 14px; }

  .feed-row { padding: 9px 10px; gap: 8px; }
  .feed-nick { font-size: 13px; }

  .btn { font-size: 13px; padding: 10px 14px; }
  .btn-sm { padding: 7px 11px; font-size: 12px; }

  .status-list li { padding: 7px 10px; }

  .toast { bottom: 16px; font-size: 12px; padding: 10px 14px; }
}

/* ── Very small phones ── */
@media (max-width: 380px) {
  .brand.brand-logo img { max-height: 24px; }
  #viewer { min-height: 220px; }
  .feed-row { grid-template-columns: 34px 1fr 52px; }
  .feed-avatar { width: 34px; height: 34px; }
  .feed-box { width: 52px; height: 38px; }
}

/* ── Feed responsive grid ── */
@media (max-width: 960px) {
  .feed-row {
    grid-template-columns: 38px 1fr 58px;
    grid-template-areas: "avatar nick box" "avatar date box";
    gap: 5px 10px;
  }
  .feed-avatar { grid-area: avatar; width: 38px; height: 38px; }
  .feed-nick   { grid-area: nick; }
  .feed-box    { grid-area: box; width: 58px; height: 42px; }
  .feed-date   { grid-area: date; text-align: left; font-size: 10px; }
}

/* Touch targets — all interactive elements at least 44px tall on mobile */
@media (max-width: 980px) {
  .btn { min-height: 44px; }
  .file-picker { min-height: 44px; }
  input[type="text"] { min-height: 44px; }
}