@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@700&display=swap");

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

body {
  background: #0f0f1a;
  font-family: "Inter", sans-serif;
  color: #e4e4ef;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: start;
  min-height: 100vh;
  padding-top: 60px;
  overflow-x: hidden;
  position: relative;
}

main {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 500px;
  padding: 0 20px;
  text-align: center;
}

h1 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 2.2rem;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h3 {
  font-weight: 400;
  font-size: 1.05rem;
  color: #9ca3af;
  margin-bottom: 32px;
}

form {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 36px 32px;
  border-radius: 24px;
  text-align: center;
  transition: border-color 0.3s ease;
}
form:hover {
  border-color: rgba(245,158,11,0.2);
}

.drop-zone {
  display: block;
  border: 2px dashed rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 36px 20px;
  cursor: pointer;
  transition: border-color 0.3s ease, background 0.3s ease;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}
.drop-zone:hover,
.drop-zone.drag-over {
  border-color: rgba(245,158,11,0.4);
  background: rgba(255,255,255,0.03);
}
.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}
.drop-zone-content { pointer-events: none; }

.drop-icon {
  color: #f59e0b;
  margin-bottom: 10px;
}
.drop-text {
  font-weight: 600;
  font-size: 0.95rem;
  color: #e4e4ef;
  margin-bottom: 4px;
}
.drop-subtext {
  font-size: 0.82rem;
  color: #9ca3af;
}

.preview-container { position: relative; }
.preview-container img {
  max-width: 100%;
  max-height: 200px;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
}
.remove-preview {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0,0,0,0.7);
  color: white;
  border: none;
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  padding: 0;
  box-shadow: none;
  transition: background 0.2s;
}
.remove-preview:hover {
  background: rgba(239,68,68,0.8);
  transform: none;
  box-shadow: none;
}

.predict-btn {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  border: none;
  padding: 14px 36px;
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(239,68,68,0.3);
  letter-spacing: 0.02em;
  font-family: "Inter", sans-serif;
}
.predict-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(239,68,68,0.45);
}
.predict-btn:active { transform: translateY(0); }

.btn-content {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

#loadingBar {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 100px;
  margin-bottom: 16px;
  display: none;
  overflow: hidden;
}
#loadingProgress {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #f59e0b, #ef4444);
  border-radius: 100px;
  transition: width 0.3s ease;
}

#spinner { display: none; margin-top: 20px; }
.loader {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top: 3px solid #f59e0b;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

.result {
  margin-top: 36px;
  margin-bottom: 40px;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 28px;
  border-radius: 24px;
  text-align: center;
  animation: slideUp 0.5s ease-out;
}
.result h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.5rem;
  margin-bottom: 18px;
  color: #ffffff;
}
.result img {
  max-width: 100%;
  max-height: 45vh;
  object-fit: contain;
  border-radius: 16px;
  border: 2px solid rgba(255,255,255,0.06);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reset-btn {
  background: transparent;
  color: #d1d5db;
  border: 2px solid rgba(255,255,255,0.12);
  padding: 10px 24px;
  font-size: 0.95rem;
  box-shadow: none;
  margin-top: 15px;
  border-radius: 12px;
  cursor: pointer;
  font-family: "Inter", sans-serif;
  transition: all 0.3s ease;
}
.reset-btn:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(245,158,11,0.4);
  transform: translateY(-2px);
  box-shadow: none;
}

@media (max-width: 480px) {
  h1 { font-size: 1.6rem; }
  form { padding: 24px 20px; }
  .drop-zone { padding: 28px 16px; }
  .predict-btn { padding: 12px 28px; }
  .result img { max-height: 35vh; }
}