/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --hx-purple:       #542E91;
  --hx-purple-light: #6b3db8;
  --hx-purple-dim:   rgba(84,46,145,0.18);
  --hx-yellow:       #FDDC06;
  --hx-black:        #0e0e1a;
  --hx-card:         #16162a;
  --hx-card-hover:   #1d1d35;
  --hx-surface:      #1a1a2e;
  --hx-border:       rgba(255,255,255,0.07);
  --hx-white:        #FFFFFF;
  --hx-off-white:    #F0F0F0;
  --hx-muted:        rgba(255,255,255,0.45);
  --green:           #00B0A6;
  --green-dim:       rgba(0,176,166,0.15);
  --orange:          #FFB55F;
  --orange-dim:      rgba(255,181,95,0.15);
  --red:             #FF5F68;
  --red-dim:         rgba(255,95,104,0.15);
  --blue:            #3AA6FF;
  --blue-dim:        rgba(58,166,255,0.15);

  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-pill: 999px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-sheet: 0 -8px 48px rgba(0,0,0,0.7);

  --max-w: 430px;
  --header-h: 64px;
  --sticky-h: 110px; /* tabs + filter + stats */
}

html { height: 100%; background: #000; }

body {
  font-family: 'Nunito', sans-serif;
  background: var(--hx-black);
  color: var(--hx-white);
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

#root {
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  background: linear-gradient(180deg, #0b0b18 0%, var(--hx-black) 100%);
}

/* ── App Shell ────────────────────────────────────────────────────────────── */
.app {
  width: 100%;
  max-width: var(--max-w);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--hx-black);
  box-shadow: 0 0 80px rgba(84,46,145,0.12);
}

/* ── Header ───────────────────────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: rgba(14,14,26,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--hx-border);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 34px;
  height: 34px;
  background: var(--hx-purple);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--hx-white);
}

.logo-text span {
  color: var(--hx-yellow);
}

.header-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--hx-yellow);
  background: rgba(253,220,6,0.12);
  border: 1px solid rgba(253,220,6,0.25);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Sticky Controls ──────────────────────────────────────────────────────── */
.sticky-controls {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  background: rgba(14,14,26,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--hx-border);
}

/* Platform Tabs */
.platform-tabs {
  display: flex;
  padding: 12px 16px 0;
  gap: 4px;
  position: relative;
}

.tab-btn {
  flex: 1;
  padding: 9px 6px;
  border: none;
  background: transparent;
  color: var(--hx-muted);
  font-family: 'Nunito', sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: color 0.2s ease;
  position: relative;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--hx-purple);
  border-radius: 2px 2px 0 0;
  transition: transform 0.25s cubic-bezier(0.34,1.56,0.64,1);
}

.tab-btn.active {
  color: var(--hx-white);
  background: var(--hx-purple-dim);
}

.tab-btn.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* Trend Type Filter */
.trend-filter {
  display: flex;
  gap: 8px;
  padding: 10px 16px;
  overflow-x: auto;
  scrollbar-width: none;
}

.trend-filter::-webkit-scrollbar { display: none; }

.pill-btn {
  flex-shrink: 0;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--hx-border);
  background: transparent;
  color: var(--hx-muted);
  font-family: 'Nunito', sans-serif;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.pill-btn:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--hx-off-white);
}

.pill-btn.active {
  background: var(--hx-purple);
  border-color: var(--hx-purple);
  color: var(--hx-white);
  box-shadow: 0 0 16px rgba(84,46,145,0.5);
}

/* Search bar */
.search-wrap {
  padding: 0 16px 10px;
}

.search-input {
  width: 100%;
  padding: 9px 14px 9px 38px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--hx-border);
  border-radius: var(--radius-pill);
  color: var(--hx-white);
  font-family: 'Nunito', sans-serif;
  font-size: 14px;
  font-weight: 600;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
}

.search-input::placeholder { color: var(--hx-muted); font-weight: 400; }
.search-input:focus {
  border-color: var(--hx-purple);
  background: rgba(84,46,145,0.1);
}

.search-wrap-inner {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--hx-muted);
  pointer-events: none;
  display: flex;
}

/* Stats Bar */
.stats-bar {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--hx-border);
}

.stat-item {
  flex: 1;
  padding: 8px 0;
  text-align: center;
  border-right: 1px solid var(--hx-border);
}

.stat-item:last-child { border-right: none; }

.stat-value {
  font-size: 15px;
  font-weight: 800;
  color: var(--hx-white);
  line-height: 1.2;
}

.stat-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--hx-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-top: 1px;
}

.stat-item.green .stat-value { color: var(--green); }
.stat-item.yellow .stat-value { color: var(--hx-yellow); }

/* ── Feed ─────────────────────────────────────────────────────────────────── */
.feed {
  flex: 1;
  padding: 16px 16px calc(env(safe-area-inset-bottom, 0px) + 24px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ── Sound Card ───────────────────────────────────────────────────────────── */
.sound-card {
  background: var(--hx-card);
  border: 1px solid var(--hx-border);
  border-radius: var(--radius-md);
  padding: 16px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
  animation: cardIn 0.35s ease backwards;
  position: relative;
  overflow: hidden;
}

.sound-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: transparent;
  transition: background 0.2s;
}

.sound-card.commercial-clear::before { background: var(--green); }
.sound-card.commercial-check::before { background: var(--orange); }
.sound-card.commercial-blocked::before { background: var(--red); }

.sound-card:active {
  transform: scale(0.97);
  background: var(--hx-card-hover);
}

@media (hover: hover) {
  .sound-card:hover {
    background: var(--hx-card-hover);
    box-shadow: var(--shadow-card);
    transform: translateY(-1px);
  }
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Card top row */
.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.card-title-group {
  flex: 1;
  min-width: 0;
}

.card-name {
  font-size: 16px;
  font-weight: 800;
  color: var(--hx-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.card-artist {
  font-size: 12px;
  font-weight: 600;
  color: var(--hx-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-badges {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
  flex-shrink: 0;
}

/* Platform Badge */
.platform-badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
}

.platform-badge.tiktok {
  background: #1a1a1a;
  color: var(--hx-white);
  border: 1px solid rgba(255,255,255,0.15);
}

.platform-badge.instagram {
  background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
  color: var(--hx-white);
  border: none;
}

.platform-badge.both {
  background: linear-gradient(135deg, var(--hx-purple), #833ab4);
  color: var(--hx-white);
}

/* NEW badge */
.new-badge {
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background: var(--hx-yellow);
  color: #1a1200;
  animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(253,220,6,0.4); }
  50%       { box-shadow: 0 0 0 5px rgba(253,220,6,0); }
}

/* Commercial badge */
.commercial-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.commercial-badge.clear  { background: var(--green-dim);  color: var(--green);  }
.commercial-badge.check  { background: var(--orange-dim); color: var(--orange); }
.commercial-badge.blocked{ background: var(--red-dim);    color: var(--red);    }

/* Card stats row */
.card-stats {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}

.stat-block { display: flex; flex-direction: column; gap: 1px; }
.stat-block .val {
  font-size: 15px;
  font-weight: 800;
  color: var(--hx-white);
}
.stat-block .lbl {
  font-size: 10px;
  font-weight: 600;
  color: var(--hx-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.growth-chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 12px;
  font-weight: 800;
  color: var(--green);
  background: var(--green-dim);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  animation: countUp 0.6s ease backwards;
}

@keyframes countUp {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

/* Card bottom row */
.card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-commercial {
  flex: 1;
}

.card-chevron {
  color: var(--hx-muted);
  display: flex;
  align-items: center;
  transition: transform 0.2s;
}

.sound-card:hover .card-chevron { transform: translateX(3px); }

/* ── Skeleton Loader ──────────────────────────────────────────────────────── */
.skeleton-card {
  background: var(--hx-card);
  border: 1px solid var(--hx-border);
  border-radius: var(--radius-md);
  padding: 16px;
  overflow: hidden;
}

.skel {
  background: linear-gradient(90deg,
    rgba(255,255,255,0.05) 0%,
    rgba(255,255,255,0.1) 50%,
    rgba(255,255,255,0.05) 100%);
  background-size: 200% 100%;
  border-radius: var(--radius-sm);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  from { background-position: -200% 0; }
  to   { background-position:  200% 0; }
}

.skel-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

/* ── Empty State ──────────────────────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  text-align: center;
  gap: 12px;
  animation: fadeIn 0.3s ease;
}

.empty-icon {
  font-size: 48px;
  line-height: 1;
}

.empty-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--hx-off-white);
}

.empty-body {
  font-size: 14px;
  font-weight: 400;
  color: var(--hx-muted);
  max-width: 240px;
  line-height: 1.5;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Detail Sheet ─────────────────────────────────────────────────────────── */
.sheet-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 100;
  animation: overlayIn 0.25s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
}

@keyframes overlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.sheet-overlay.closing {
  animation: overlayOut 0.2s ease forwards;
}

@keyframes overlayOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

.detail-sheet {
  width: 100%;
  max-width: var(--max-w);
  background: var(--hx-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  border-top: 1px solid var(--hx-border);
  max-height: 88dvh;
  overflow-y: auto;
  animation: sheetUp 0.3s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: var(--shadow-sheet);
  padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 24px);
}

.detail-sheet.closing {
  animation: sheetDown 0.2s ease forwards;
}

@keyframes sheetUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

@keyframes sheetDown {
  from { transform: translateY(0); }
  to   { transform: translateY(100%); }
}

.sheet-handle-wrap {
  display: flex;
  justify-content: center;
  padding: 12px 0 4px;
}

.sheet-handle {
  width: 40px;
  height: 4px;
  background: rgba(255,255,255,0.2);
  border-radius: 2px;
}

.sheet-header {
  padding: 12px 20px 16px;
  border-bottom: 1px solid var(--hx-border);
}

.sheet-title {
  font-size: 22px;
  font-weight: 900;
  color: var(--hx-white);
  line-height: 1.2;
  margin-bottom: 4px;
}

.sheet-artist {
  font-size: 14px;
  font-weight: 600;
  color: var(--hx-muted);
}

.sheet-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.sheet-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Commercial Status Block */
.commercial-block {
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.commercial-block.clear   { background: var(--green-dim);  border: 1px solid rgba(0,176,166,0.25); }
.commercial-block.check   { background: var(--orange-dim); border: 1px solid rgba(255,181,95,0.25); }
.commercial-block.blocked { background: var(--red-dim);    border: 1px solid rgba(255,95,104,0.25); }

.commercial-icon { font-size: 24px; flex-shrink: 0; }

.commercial-text-wrap { flex: 1; }

.commercial-status-label {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.commercial-block.clear   .commercial-status-label { color: var(--green); }
.commercial-block.check   .commercial-status-label { color: var(--orange); }
.commercial-block.blocked .commercial-status-label { color: var(--red); }

.commercial-note {
  font-size: 13px;
  font-weight: 400;
  color: var(--hx-off-white);
  line-height: 1.5;
}

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.stat-tile {
  background: var(--hx-card);
  border: 1px solid var(--hx-border);
  border-radius: var(--radius-md);
  padding: 14px;
}

.stat-tile-val {
  font-size: 20px;
  font-weight: 900;
  color: var(--hx-white);
  line-height: 1.2;
}

.stat-tile-val.green  { color: var(--green); }
.stat-tile-val.orange { color: var(--orange); }
.stat-tile-val.blue   { color: var(--blue); }

.stat-tile-lbl {
  font-size: 11px;
  font-weight: 600;
  color: var(--hx-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-top: 3px;
}

/* Sparkline */
.sparkline-section {}

.section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--hx-muted);
  margin-bottom: 10px;
}

.sparkline-wrap {
  background: var(--hx-card);
  border: 1px solid var(--hx-border);
  border-radius: var(--radius-md);
  padding: 16px;
  overflow: hidden;
}

.sparkline-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
}

.sparkline-day {
  font-size: 10px;
  font-weight: 600;
  color: var(--hx-muted);
}

/* Categories */
.categories-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.category-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.category-label {
  width: 130px;
  font-size: 13px;
  font-weight: 700;
  color: var(--hx-off-white);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.category-bar-track {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.07);
  border-radius: 3px;
  overflow: hidden;
}

.category-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--hx-purple), var(--hx-purple-light));
  transition: width 0.6s cubic-bezier(0.34,1.56,0.64,1);
}

.category-pct {
  font-size: 12px;
  font-weight: 800;
  color: var(--hx-muted);
  width: 34px;
  text-align: right;
  flex-shrink: 0;
}

/* Platforms row */
.platforms-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Close button */
.close-btn {
  width: 100%;
  margin-top: 4px;
  padding: 14px;
  border: 1px solid var(--hx-border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--hx-muted);
  font-family: 'Nunito', sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.close-btn:hover {
  background: rgba(255,255,255,0.06);
  color: var(--hx-white);
}

/* ── Audio Player ─────────────────────────────────────────────────────────── */

/* Equalizer bars (playing indicator) */
.eq-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
}

.eq-bar {
  width: 3px;
  height: 14px;
  background: var(--hx-purple);
  border-radius: 1.5px;
  transform-origin: bottom;
  animation: eq-bounce 0.6s ease-in-out infinite;
}

.eq-bar:nth-child(2) { animation-delay: 0.12s; background: var(--hx-purple-light); }
.eq-bar:nth-child(3) { animation-delay: 0.24s; background: var(--blue); }

@keyframes eq-bounce {
  0%, 100% { transform: scaleY(0.25); }
  50%       { transform: scaleY(1); }
}

/* Play button on cards */
.play-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: var(--hx-purple);
  color: var(--hx-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 2px 10px rgba(84,46,145,0.45);
}

.play-btn:hover {
  background: var(--hx-purple-light);
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(84,46,145,0.6);
}

.play-btn:active { transform: scale(0.94); }

.play-btn.loading {
  background: rgba(84,46,145,0.5);
  pointer-events: none;
}

.play-btn.playing {
  background: var(--hx-yellow);
  box-shadow: 0 2px 12px rgba(253,220,6,0.5);
}

.play-btn.playing svg { color: #1a1200; }

/* Audio player row in detail sheet */
.audio-player {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--hx-card);
  border: 1px solid var(--hx-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.audio-play-large {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--hx-purple);
  color: var(--hx-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.15s;
  box-shadow: 0 2px 14px rgba(84,46,145,0.5);
}

.audio-play-large:hover { background: var(--hx-purple-light); transform: scale(1.06); }
.audio-play-large:active { transform: scale(0.94); }

.audio-play-large.playing {
  background: var(--hx-yellow);
  box-shadow: 0 2px 14px rgba(253,220,6,0.5);
}

.audio-play-large.playing svg { color: #1a1200; }

.audio-play-large.loading {
  background: rgba(84,46,145,0.5);
  pointer-events: none;
}

.audio-info { flex: 1; min-width: 0; }

.audio-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--hx-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 6px;
}

.audio-progress-track {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
}

.audio-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--hx-purple), var(--blue));
  border-radius: 2px;
  transition: width 0.5s linear;
}

.audio-time {
  font-size: 11px;
  font-weight: 600;
  color: var(--hx-muted);
  margin-top: 4px;
  display: flex;
  justify-content: space-between;
}

/* ── Utility ──────────────────────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--hx-border);
}

/* ── Responsive Layout ────────────────────────────────────────────────────── */

/* App body: stacks controls above feed on mobile */
.app-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

/* Sidebar is just a passthrough wrapper on mobile */
.sidebar {
  display: contents; /* let sticky-controls behave as if sidebar doesn't exist */
}

/* ── Narrow desktop frame (480–767px) */
@media (min-width: 480px) and (max-width: 767px) {
  #root { background: #050510; }
  .app {
    border-left: 1px solid rgba(255,255,255,0.05);
    border-right: 1px solid rgba(255,255,255,0.05);
  }
}

/* ── Tablet / Desktop (768px+) ── */
@media (min-width: 768px) {

  /* App fills full width, no 430px cap */
  .app {
    max-width: 1440px;
    width: 100%;
  }

  #root {
    background: #050510;
    align-items: center;
  }

  /* Body becomes a side-by-side row */
  .app-body {
    flex-direction: row;
    flex: 1;
    height: calc(100dvh - var(--header-h));
    overflow: hidden;
  }

  /* Sidebar becomes a real sticky left panel */
  .sidebar {
    display: flex;
    flex-direction: column;
    width: 280px;
    flex-shrink: 0;
    height: 100%;
    overflow-y: auto;
    border-right: 1px solid var(--hx-border);
    scrollbar-width: none;
  }
  .sidebar::-webkit-scrollbar { display: none; }

  /* Controls lose their sticky behaviour — sidebar handles it */
  .sticky-controls {
    position: static;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: transparent;
    border-bottom: none;
    flex: 1;
  }

  /* Tabs stack vertically */
  .platform-tabs {
    flex-direction: column;
    padding: 16px 12px 0;
    gap: 4px;
  }

  .tab-btn {
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    text-align: left;
    font-size: 14px;
  }

  .tab-btn::after {
    display: none; /* remove underline indicator */
  }

  .tab-btn.active {
    background: var(--hx-purple-dim);
    color: var(--hx-white);
    border-left: 3px solid var(--hx-purple);
    padding-left: 11px;
  }

  /* Pills wrap in sidebar */
  .trend-filter {
    flex-wrap: wrap;
    padding: 10px 12px;
    gap: 6px;
  }

  .pill-btn {
    font-size: 12px;
    padding: 5px 12px;
  }

  /* Search fits sidebar width */
  .search-wrap { padding: 0 12px 10px; }

  /* Stats bar goes vertical */
  .stats-bar {
    flex-direction: column;
    margin-top: auto;
    border-top: 1px solid var(--hx-border);
  }

  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--hx-border);
    padding: 10px 16px;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .stat-item:last-child { border-bottom: none; }

  .stat-value { font-size: 18px; }
  .stat-label { font-size: 11px; }

  /* Feed becomes a scrollable grid */
  .feed {
    flex: 1;
    height: 100%;
    overflow-y: auto;
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    align-content: start;
    padding: 20px;
    gap: 14px;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
  }

  /* Empty state spans full grid */
  .empty-state { grid-column: 1 / -1; }

  /* Detail sheet max-width on desktop */
  .sheet-overlay { align-items: flex-end; }
  .detail-sheet { max-width: 560px; margin: 0 auto; border-radius: var(--radius-lg); }
}

/* ── Wide desktop (1200px+) ── */
@media (min-width: 1200px) {
  .sidebar { width: 300px; }
  .feed { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
}