*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #1A1A2E;
  --bg2: #16213E;
  --bg3: #0F3460;
  --accent: #E94560;
  --text: #CCCCCC;
  --text-bright: #FFFFFF;
  --border: rgba(255,255,255,0.08);
  --radius: 12px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26,26,46,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-bright);
  letter-spacing: -0.02em;
}
.nav-logo .accent { color: var(--accent); }

.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.hero {
  text-align: center;
  margin-bottom: 3rem;
}
.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--text-bright);
  line-height: 1.1;
  margin-bottom: 1rem;
}
.hero-title .accent { color: var(--accent); }
.hero-sub {
  font-size: 1.1rem;
  color: var(--text);
  max-width: 500px;
  margin: 0 auto;
}

.layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 768px) {
  .layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.panel-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 1.5rem;
}

.field {
  margin-bottom: 1.25rem;
}
.field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
}
.field label .required { color: var(--accent); }
.field label .hint { font-weight: 400; color: var(--text); font-size: 0.8rem; }

input[type="text"],
select,
textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text-bright);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: border-color 0.2s;
  max-width: 100%;
}
input[type="text"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
}
select option { background: var(--bg3); }
textarea { resize: vertical; }

.mood-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.mood-tag {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Inter', sans-serif;
}
.mood-tag:hover {
  border-color: var(--accent);
  color: var(--text-bright);
}
.mood-tag.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--accent);
  background: rgba(233,69,96,0.05);
}
.drop-icon {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.drop-zone p { font-size: 0.875rem; color: var(--text); margin-bottom: 0.25rem; }
.drop-link { color: var(--accent); cursor: pointer; }
.drop-hint { font-size: 0.75rem !important; color: #666 !important; }

.file-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}
.file-chip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text);
}
.file-chip-remove {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
}

.btn-generate {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.875rem 1.5rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  margin-top: 0.5rem;
}
.btn-generate:hover { opacity: 0.9; }
.btn-generate:active { transform: scale(0.98); }
.btn-generate:disabled { opacity: 0.5; cursor: not-allowed; }

.result-placeholder {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text);
}
.placeholder-icon {
  font-size: 3rem;
  color: var(--border);
  margin-bottom: 1rem;
}

.logo-display {
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  margin-bottom: 1.5rem;
}
.logo-display img {
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
}

.logo-meta { margin-bottom: 1.5rem; }
.logo-brand-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
}
.logo-prompt-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
.logo-prompt {
  font-size: 0.8rem;
  color: var(--text);
  line-height: 1.5;
  background: var(--bg3);
  border-radius: 8px;
  padding: 0.75rem;
}

.logo-actions {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.btn-download {
  flex: 1;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  color: var(--text-bright);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color 0.2s;
}
.btn-download:hover { border-color: var(--accent); }
.btn-refine {
  flex: 1;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  color: var(--text-bright);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color 0.2s;
}
.btn-refine:hover { border-color: var(--accent); }

.refine-panel {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 1rem;
}
.refine-panel h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 1rem;
}
.refine-panel textarea {
  margin-bottom: 1rem;
}

.error-box {
  background: rgba(233,69,96,0.1);
  border: 1px solid rgba(233,69,96,0.3);
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
}
.error-box p {
  color: var(--accent);
  font-size: 0.875rem;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,26,46,0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  pointer-events: all;
}
.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1rem;
}
.loading-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  color: var(--text-bright);
}
@keyframes spin { to { transform: rotate(360deg); } }