/* =========================================================
   Gaze Receiver — style.css
   Design system: dark zinc base, sky-500 accent, Geist font
   DESIGN_VARIANCE=8 / MOTION_INTENSITY=6 / VISUAL_DENSITY=4
   ========================================================= */

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

:root {
  /* Palette */
  --zinc-950: #09090b;
  --zinc-900: #18181b;
  --zinc-800: #27272a;
  --zinc-700: #3f3f46;
  --zinc-600: #52525b;
  --zinc-400: #a1a1aa;
  --zinc-200: #e4e4e7;
  --zinc-50:  #fafafa;
  --sky-500:  #0ea5e9;
  --sky-400:  #38bdf8;
  --sky-300:  #7dd3fc;
  --indigo-500: #6366f1;
  --emerald-500: #10b981;
  --rose-500: #f43f5e;

  /* Semantic */
  --bg:        var(--zinc-950);
  --surface:   var(--zinc-900);
  --border:    var(--zinc-800);
  --accent:    var(--sky-500);
  --accent-lt: var(--sky-400);
  --muted:     var(--zinc-600);
  --subtle:    var(--zinc-400);
  --text:      var(--zinc-200);
  --text-hi:   var(--zinc-50);

  /* Sizing */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* Shadows (tinted to bg hue) */
  --shadow-card: 0 24px 48px -12px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05);
  --shadow-btn:  0 8px 24px -4px rgba(14,165,233,0.35);

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: 'Geist', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  overflow-x: hidden;
}

/* ── Animated Mesh Background ─────────────────────────── */
.mesh-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: float 20s ease-in-out infinite;
}
.blob-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--sky-500), transparent 70%);
  top: -200px; left: -200px;
  animation-delay: 0s;
}
.blob-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--indigo-500), transparent 70%);
  bottom: -150px; right: -150px;
  animation-delay: -7s;
}
.blob-3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, #0284c7, transparent 70%);
  top: 40%; left: 55%;
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(30px, -40px) scale(1.08); }
  66%  { transform: translate(-20px, 20px) scale(0.94); }
}

/* ── Noise texture overlay ────────────────────────────── */
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px;
}

/* ── Layout ───────────────────────────────────────────── */
.layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100dvh;
}

@media (max-width: 768px) {
  .layout { grid-template-columns: 1fr; }
}

/* ── Brand Rail (Left) ────────────────────────────────── */
.brand-rail {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 3rem 3.5rem;
  border-right: 1px solid var(--border);
}

@media (max-width: 768px) {
  .brand-rail {
    padding: 2rem 1.5rem 1.5rem;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}

/* Logo mark */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}
.brand-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-hi);
  letter-spacing: -0.02em;
}
.brand-by {
  font-size: 0.75rem;
  color: var(--muted);
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  letter-spacing: 0.02em;
}

/* Brand copy */
.brand-copy { margin-top: auto; padding: 3rem 0 2rem; }

.brand-headline {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text-hi);
}

.brand-sub {
  margin-top: 1rem;
  font-size: 0.9375rem;
  color: var(--subtle);
  line-height: 1.65;
  max-width: 36ch;
}

/* Security badge */
.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--muted);
  font-family: 'Geist Mono', monospace;
  padding: 0.5rem 0;
}
.security-badge svg { color: var(--emerald-500); flex-shrink: 0; }

/* ── Receiver Panel (Right) ───────────────────────────── */
.receiver-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 2.5rem;
}

/* ── State containers ─────────────────────────────────── */
.state {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
  animation: state-in 0.4s var(--ease-out-expo) both;
}
.state.hidden { display: none; }

@keyframes state-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.state-label {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--subtle);
  letter-spacing: -0.01em;
}

/* ── Loading state ────────────────────────────────────── */
.state-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.pulse-ring {
  position: relative;
}
.pulse-ring::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  opacity: 0;
  animation: pulse-out 2s ease-out infinite;
}
.pulse-ring::after {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0;
  animation: pulse-out 2s ease-out infinite 0.4s;
}

@keyframes pulse-out {
  0%   { opacity: 0.6; transform: scale(0.85); }
  100% { opacity: 0;   transform: scale(1.3); }
}

/* Skeleton loader */
.skeleton-file {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  width: 100%;
}
.skeleton-icon {
  width: 40px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--zinc-800);
  flex-shrink: 0;
}
.skeleton-lines { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.skeleton-line {
  height: 10px;
  border-radius: 100px;
  background: var(--zinc-800);
}
.shimmer {
  background: linear-gradient(90deg, var(--zinc-800) 25%, var(--zinc-700) 50%, var(--zinc-800) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── File card ────────────────────────────────────────── */
.file-card {
  position: relative;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-card);
  /* Subtle inner refraction border */
  box-shadow:
    var(--shadow-card),
    inset 0 1px 0 rgba(255,255,255,0.05);
  overflow: hidden;
}

/* Spotlight effect via CSS conic gradient that follows mouse (Phase 3 enhancement) */
.file-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(14,165,233,0.07) 0%, transparent 60%);
  pointer-events: none;
}

.file-icon-wrap {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: var(--zinc-800);
  border: 1px solid var(--border);
}

.file-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
}
.file-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-hi);
  letter-spacing: -0.02em;
  word-break: break-all;
  max-width: 28ch;
}
.file-size {
  font-size: 0.8125rem;
  font-family: 'Geist Mono', monospace;
  color: var(--muted);
}
.file-badge {
  font-size: 0.6875rem;
  font-family: 'Geist Mono', monospace;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(14,165,233,0.1);
  border: 1px solid rgba(14,165,233,0.2);
  padding: 0.25rem 0.625rem;
  border-radius: 100px;
}

/* ── Download button ──────────────────────────────────── */
.btn-download {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.875rem 1.5rem;
  background: var(--accent);
  color: white;
  font-family: 'Geist', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform 0.2s var(--ease-out-expo), box-shadow 0.2s var(--ease-out-expo), background 0.15s;
  box-shadow: var(--shadow-btn);
}
.btn-download:hover {
  background: var(--sky-400);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -4px rgba(14,165,233,0.5);
}
.btn-download:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 4px 12px -2px rgba(14,165,233,0.3);
}

.hint {
  font-size: 0.75rem;
  color: var(--zinc-700);
  letter-spacing: 0.01em;
}

/* ── Progress ring ────────────────────────────────────── */
.progress-ring-wrap {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.progress-ring { transform: rotate(-90deg); }
.progress-track {
  fill: none;
  stroke: var(--zinc-800);
  stroke-width: 6;
}
.progress-fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.3s ease;
}
.progress-pct {
  position: absolute;
  font-size: 1.25rem;
  font-weight: 700;
  font-family: 'Geist Mono', monospace;
  color: var(--text-hi);
  letter-spacing: -0.04em;
}
.dl-stats {
  font-size: 0.8125rem;
  font-family: 'Geist Mono', monospace;
  color: var(--muted);
}

/* ── Done state ───────────────────────────────────────── */
.done-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  color: var(--emerald-500);
  animation: done-pop 0.5s var(--ease-out-expo) both;
}
@keyframes done-pop {
  0%   { transform: scale(0.5); opacity: 0; }
  70%  { transform: scale(1.1); }
  100% { transform: scale(1);   opacity: 1; }
}

.done-label { color: var(--text-hi); }
.done-sub {
  font-size: 0.8125rem;
  font-family: 'Geist Mono', monospace;
  color: var(--muted);
}

.btn-again {
  font-family: 'Geist', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--subtle);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.625rem 1.25rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, transform 0.2s;
}
.btn-again:hover { color: var(--text-hi); border-color: var(--zinc-600); transform: translateY(-1px); }
.btn-again:active { transform: scale(0.97); }

/* ── Error state ──────────────────────────────────────── */
.error-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(244,63,94,0.1);
  border: 1px solid rgba(244,63,94,0.25);
  color: var(--rose-500);
}
.error-msg {
  font-size: 0.875rem;
  color: var(--rose-500);
  max-width: 30ch;
  line-height: 1.5;
}
.btn-retry {
  font-family: 'Geist', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: white;
  background: var(--rose-500);
  border: none;
  border-radius: var(--radius-md);
  padding: 0.625rem 1.5rem;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.2s;
}
.btn-retry:hover  { opacity: 0.88; transform: translateY(-1px); }
.btn-retry:active { transform: scale(0.97); }

/* ── Footer ───────────────────────────────────────────── */
.footer {
  position: fixed;
  bottom: 1.25rem;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.6875rem;
  font-family: 'Geist Mono', monospace;
  color: var(--zinc-700);
  pointer-events: none;
}
.footer a {
  pointer-events: all;
  color: var(--zinc-600);
  text-decoration: none;
  transition: color 0.15s;
}
.footer a:hover { color: var(--subtle); }

/* ── Utility ──────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Mode badge ───────────────────────────────────────── */
.mode-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-family: 'Geist Mono', monospace;
  color: var(--subtle);
  padding: 0.5rem 0.875rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  width: fit-content;
}
.mode-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--zinc-600);
  flex-shrink: 0;
}
.mode-dot.mode-http    { background: var(--sky-500); box-shadow: 0 0 6px var(--sky-500); }
.mode-dot.mode-webrtc  { background: var(--emerald-500); box-shadow: 0 0 6px var(--emerald-500); animation: pulse-dot 1.5s ease-in-out infinite; }
.mode-dot.mode-connecting { background: var(--zinc-600); animation: pulse-dot 1.5s ease-in-out infinite; }

@keyframes pulse-dot {
  0%,100% { opacity: 1; } 50% { opacity: 0.4; }
}

/* ── State sub-label ──────────────────────────────────── */
.state-sub {
  font-size: 0.8125rem;
  color: var(--muted);
  font-family: 'Geist Mono', monospace;
  letter-spacing: 0.01em;
}

/* ── WebRTC state ─────────────────────────────────────── */
.webrtc-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

/* Concentric pulsing signal rings */
.signal-rings {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  opacity: 0;
  animation: ring-pulse 2.4s ease-out infinite;
}
.ring-1 { width: 40px;  height: 40px;  animation-delay: 0s; }
.ring-2 { width: 60px;  height: 60px;  animation-delay: 0.5s; }
.ring-3 { width: 80px;  height: 80px;  animation-delay: 1s; }
.ring-icon { position: relative; z-index: 1; color: var(--accent); }

@keyframes ring-pulse {
  0%   { opacity: 0.7; transform: scale(0.5); }
  100% { opacity: 0;   transform: scale(1.15); }
}

/* Handshake step checklist */
.webrtc-steps {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: var(--zinc-600);
  transition: color 0.3s;
}
.step-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--zinc-700);
  flex-shrink: 0;
  transition: background 0.3s, box-shadow 0.3s;
}
.step.step-done { color: var(--subtle); }
.step.step-done .step-dot {
  background: var(--emerald-500);
  box-shadow: 0 0 6px rgba(16,185,129,0.5);
}
.step.step-active .step-dot {
  background: var(--accent);
  box-shadow: 0 0 6px rgba(14,165,233,0.5);
  animation: pulse-dot 1s ease-in-out infinite;
}

/* ── Download speed ───────────────────────────────────── */
.dl-speed {
  font-size: 0.75rem;
  font-family: 'Geist Mono', monospace;
  color: var(--zinc-700);
}

/* ── Done metadata row ────────────────────────────────── */
.done-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  font-family: 'Geist Mono', monospace;
  color: var(--muted);
  padding: 0.5rem 0.875rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
}

/* ── Terminal Stream (Phase 5) ────────────────────────── */
.terminal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom: none;
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
}

.terminal-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.live-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald-500);
  box-shadow: 0 0 8px var(--emerald-500);
  animation: pulse-dot 1.2s infinite;
}

.terminal-title {
  font-size: 0.8125rem;
  font-family: 'Geist Mono', monospace;
  color: var(--text-hi);
  font-weight: 500;
}

.terminal-controls {
  display: flex;
  gap: 0.5rem;
}

.btn-terminal-action {
  font-family: 'Geist Mono', monospace;
  font-size: 0.75rem;
  color: var(--subtle);
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-terminal-action:hover {
  color: var(--text-hi);
  border-color: var(--zinc-600);
  background: var(--zinc-800);
}

.terminal-body {
  width: 100%;
  height: 320px;
  background: #09090b; /* pure black background for contrast */
  border: 1px solid var(--border);
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
  padding: 1.25rem;
  overflow-y: auto;
  text-align: left;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.8);
}

#terminal-pre {
  margin: 0;
  font-family: 'Geist Mono', monospace;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: #a7f3d0; /* emerald-200 for high readability log style */
  white-space: pre-wrap;
  word-break: break-all;
}

.term-dim {
  color: var(--zinc-600);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}


/* ── RAM Warning Modal ────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(8px);
  padding: 1rem;
}
.modal-overlay.hidden {
  display: none !important;
}
.modal-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.modal-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.modal-icon.warning-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.25);
  color: var(--rose-500);
}
.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-hi);
  margin: 0;
}
.modal-body {
  font-size: 0.9375rem;
  color: var(--text);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 0.5rem;
}
.btn-secondary {
  font-family: 'Geist', sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-hi);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.625rem 1.25rem;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-secondary:hover {
  background: var(--zinc-800);
  border-color: var(--zinc-600);
}
.btn-danger {
  font-family: 'Geist', sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  color: white;
  background: var(--rose-500);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.625rem 1.25rem;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-danger:hover {
  opacity: 0.9;
}

/* ── Standalone Sender UI styles ── */
.tab-header {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
}
.tab-btn {
  background: none;
  border: none;
  color: var(--zinc-400);
  font-weight: 500;
  cursor: pointer;
  padding-bottom: 0.25rem;
  font-size: 0.95rem;
  font-family: inherit;
  transition: all 0.2s ease;
  position: relative;
}
.tab-btn:hover {
  color: var(--text-hi);
}
.tab-btn.active {
  color: var(--sky-400);
  font-weight: 600;
}
.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -0.85rem;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--sky-400);
}
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  background: rgba(24, 24, 27, 0.5);
}
.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--sky-500);
  background: rgba(14, 165, 233, 0.05);
}