/* altraimago.com — v20260403a — bright Apple light design */

:root {
  --bg:            #f5f5f7;
  --surface:       #ffffff;
  --surface-2:     #f5f5f7;
  --border:        rgba(0,0,0,0.09);
  --accent:        #0071e3;
  --accent-hover:  #0077ed;
  --accent-glow:   rgba(0,113,227,0.15);
  --text:          #1d1d1f;
  --text-2:        #6e6e73;
  --text-3:        #aeaeb2;
  --radius:        18px;
  --radius-lg:     22px;
  --shadow:        0 2px 16px rgba(0,0,0,0.07), 0 1px 3px rgba(0,0,0,0.05);
  --shadow-hover:  0 8px 32px rgba(0,0,0,0.11), 0 2px 6px rgba(0,0,0,0.06);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  --ease: cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── Header ── */
.site-header {
  width: 100%;
  text-align: center;
  padding: clamp(3.5rem, 9vw, 6rem) 1.5rem 1.5rem;
}
.logo {
  font-size: clamp(2.5rem, 6.5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}
.logo-alt   { color: var(--accent); }
.logo-imago { color: var(--text); }
.tagline {
  margin-top: .6rem;
  font-size: 1.05rem;
  color: var(--text-2);
  font-weight: 400;
}

/* ── Main ── */
main {
  flex: 1;
  width: 100%;
  max-width: 600px;
  padding: 1.5rem 1.25rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── Card ── */
.card {
  width: 100%;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: box-shadow .2s var(--ease);
}
.card:hover { box-shadow: var(--shadow-hover); }

/* ── Upload card ── */
.upload-card {
  padding: clamp(3rem, 8vw, 4.5rem) 2rem;
  text-align: center;
  cursor: pointer;
  transition: background .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}
.upload-card.dragover {
  background: var(--accent-glow);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,113,227,0.1);
}

.upload-inner { display: flex; flex-direction: column; align-items: center; gap: .9rem; }

.upload-icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: .1rem;
}

.upload-title {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -.025em;
  color: var(--text);
}
.upload-sub  { font-size: .9rem; color: var(--text-2); margin-top: -.3rem; }
.upload-hint { font-size: .73rem; color: var(--text-3); letter-spacing: .06em; text-transform: uppercase; }

.upload-actions {
  display: flex;
  gap: .6rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .58rem 1.35rem;
  border-radius: 980px;
  font-family: var(--font);
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  text-decoration: none;
  white-space: nowrap;
  transition: background .15s var(--ease), box-shadow .15s var(--ease), transform .12s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(.96); }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 14px rgba(0,113,227,0.35);
}

.btn-ghost {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: #e8e8ed; }

/* ── Preview card ── */
.preview-card {
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.1rem;
}
.preview-image-wrap { position: relative; flex-shrink: 0; }
#preview-img {
  display: block;
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.btn-clear {
  position: absolute;
  top: -7px; right: -7px;
  width: 21px; height: 21px;
  border-radius: 50%;
  background: #e5e5ea;
  border: 1.5px solid var(--surface);
  color: #636366;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}
.btn-clear:hover { background: #d1d1d6; color: var(--text); }

/* ── Upload status ── */
.upload-status { display: flex; align-items: center; gap: .5rem; }
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.uploading { background: var(--accent); animation: pulse 1.2s ease-in-out infinite; }
.status-dot.done      { background: #34c759; }
.status-dot.error     { background: #ff3b30; }
.status-text { font-size: .875rem; color: var(--text-2); }

@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:.35; transform:scale(.8); }
}

/* ── Platforms card ── */
.platforms-card { padding: 1.5rem 1.5rem 1.75rem; }

.platforms-label {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1rem;
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .6rem;
  margin-bottom: 1.1rem;
}

.platform-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  padding: .95rem .5rem .8rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text);
  font-family: var(--font);
  transition: background .15s var(--ease), box-shadow .15s var(--ease), transform .15s var(--ease), border-color .15s;
  -webkit-tap-highlight-color: transparent;
}
.platform-btn:hover {
  background: var(--surface);
  border-color: rgba(0,0,0,0.12);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.platform-btn:active { transform: scale(.96); box-shadow: none; }

/* ── Platform logo badges ── */
.p-logo {
  width: 44px; height: 44px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
/* Existing platforms */
.p-logo.ali   { background: linear-gradient(145deg,#ff6a00,#ee0979); }
.p-logo.tao   { background: linear-gradient(145deg,#ff4e50,#f9d423); }
.p-logo.b68   { background: linear-gradient(145deg,#e96c14,#e84393); }
.p-logo.lens  { background: linear-gradient(135deg,#4285f4 0%,#34a853 40%,#fbbc05 70%,#ea4335 100%); }
.p-logo.yan   { background: linear-gradient(145deg,#fc3f1d,#c9170d); }
.p-logo.tin   { background: linear-gradient(145deg,#2c2c2e,#48484a); }
/* New platforms */
.p-logo.sugar { background: linear-gradient(145deg,#e91e63,#9c27b0); }
.p-logo.super { background: linear-gradient(145deg,#ff5722,#ff9800); }
.p-logo.baidu { background: linear-gradient(145deg,#2932e1,#4e6ef2); }

.p-name {
  font-size: .74rem;
  font-weight: 500;
  color: var(--text-2);
  text-align: center;
  line-height: 1.2;
}

.btn-all {
  width: 100%;
  padding: .8rem;
  font-size: .95rem;
  font-weight: 600;
  border-radius: 14px;
}

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

/* ── Footer ── */
.site-footer {
  width: 100%;
  text-align: center;
  padding: 1rem 1rem 2.5rem;
  color: var(--text-3);
  font-size: .76rem;
}

/* ── Mobile ── */
@media (max-width: 480px) {
  .platforms-grid { grid-template-columns: repeat(2,1fr); }
  .preview-card   { flex-direction: column; align-items: flex-start; }
  #preview-img    { width: 100%; height: 160px; }
  .upload-actions { flex-direction: column; width: 100%; }
  .btn            { width: 100%; }
}