/* ===== LOADER.CSS — оптимизированная страница загрузки ===== */

.upload-wrapper {
  max-width: 820px;
  margin: 0 auto;
  padding: 20px 0 40px;
}

.upload-header {
  margin-bottom: 36px;
}

.upload-header h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #f0f6fa, #a0c0d0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: 14px;
}

.upload-header h1 i {
  -webkit-text-fill-color: #6fa0c0;
  font-size: 30px;
}

.upload-header p {
  color: #8aa6b8;
  font-size: 16px;
  margin-top: 6px;
  padding-left: 44px;
}

/* ---- ЗОНА ЗАГРУЗКИ (Drag & Drop) ---- */
.drop-zone {
  background: #11191e;
  border: 2px dashed #2f404a;
  border-radius: 32px;
  padding: 48px 32px;
  text-align: center;
  transition: 0.2s ease;
  margin-bottom: 32px;
  position: relative;
  cursor: pointer;
}

.drop-zone:hover {
  border-color: #4f8aaa;
  background: #162026;
}

.drop-zone.dragover {
  border-color: #60b0e0;
  background: #1a2a34;
  box-shadow: 0 0 30px rgba(0, 160, 255, 0.08);
}

.drop-zone-icon {
  font-size: 56px;
  color: #3f6a80;
  margin-bottom: 16px;
  opacity: 0.7;
}

.drop-zone-title {
  font-size: 22px;
  font-weight: 600;
  color: #dce9f2;
  margin-bottom: 8px;
}

.drop-zone-sub {
  color: #7a98aa;
  font-size: 15px;
}

.drop-zone-sub span {
  color: #70b0d0;
  text-decoration: underline;
  text-underline-offset: 4px;
  cursor: pointer;
}

.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* ---- ФОРМА ПОЛЕЙ ---- */
.upload-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 12px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: #b0ccdd;
  letter-spacing: 0.2px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group label i {
  color: #4f7a92;
  font-size: 15px;
  width: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: #0f161b;
  border: 1px solid #29373f;
  border-radius: 16px;
  padding: 14px 18px;
  font-size: 15px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  color: #eef4f8;
  transition: 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #3f8ab0;
  box-shadow: 0 0 0 3px rgba(60, 150, 200, 0.15);
  background: #121c23;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #4f6a7a;
}

.form-group textarea {
  resize: vertical;
  min-height: 90px;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236f8fa0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
}

.form-group select option {
  background: #0f161b;
  color: #eef4f8;
}

/* ---- ЧЕКБОКСЫ ---- */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  padding-top: 4px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #c0d6e4;
  font-size: 14px;
  cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #3f8ab0;
  background: #0f161b;
  border: 1px solid #29373f;
  border-radius: 6px;
  cursor: pointer;
}

/* ---- КНОПКА ОТПРАВКИ ---- */
.btn-upload {
  background: linear-gradient(135deg, #1f3e4f, #0f2838);
  border: 1px solid #2f5a70;
  color: #eef6fc;
  padding: 18px 32px;
  border-radius: 60px;
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  transition: 0.2s;
  cursor: pointer;
  margin-top: 8px;
  letter-spacing: 0.3px;
  font-family: inherit;
}

.btn-upload i {
  color: #80c8f0;
  font-size: 20px;
}

.btn-upload:hover {
  background: linear-gradient(135deg, #2a5068, #163240);
  border-color: #4080a0;
  box-shadow: 0 8px 24px rgba(0, 80, 140, 0.25);
  transform: translateY(-2px);
}

/* ---- ПАНЕЛЬ АНАЛИЗА ---- */
.analysis-panel {
  margin-top: 36px;
  background: #10181e;
  border: 1px solid #293b44;
  border-radius: 28px;
  padding: 24px 28px 28px;
  display: none;
}

.analysis-panel.visible {
  display: block;
  animation: fadeSlide 0.3s ease;
}

@keyframes fadeSlide {
  0% { opacity: 0; transform: translateY(12px); }
  100% { opacity: 1; transform: translateY(0); }
}

.analysis-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  border-bottom: 1px solid #26343d;
  padding-bottom: 14px;
}

.analysis-header h3 {
  font-size: 20px;
  font-weight: 600;
  color: #d4e6f2;
  display: flex;
  align-items: center;
  gap: 12px;
}

.analysis-header h3 i {
  color: #40a0d0;
}

.analysis-status {
  font-size: 14px;
  color: #7fc0a0;
  background: #1a2f2a;
  padding: 6px 18px;
  border-radius: 40px;
  border: 1px solid #2a5a4a;
}

.analysis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px 20px;
}

.analysis-item {
  background: #0d171e;
  border-radius: 16px;
  padding: 16px 18px;
  border: 1px solid #202f38;
}

.analysis-item .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #5f8095;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.analysis-item .value {
  font-size: 18px;
  font-weight: 600;
  color: #dcecf5;
}

.analysis-item .value small {
  font-weight: 400;
  font-size: 13px;
  color: #6d8fa0;
  margin-left: 6px;
}

.analysis-item .bar {
  margin-top: 10px;
  height: 4px;
  background: #1d2e38;
  border-radius: 10px;
  overflow: hidden;
}

.analysis-item .bar .fill {
  height: 100%;
  background: linear-gradient(90deg, #3f8ab0, #70c0e0);
  border-radius: 10px;
  width: 0%;
  transition: width 0.6s ease;
}

/* ---- АДАПТИВНОСТЬ ---- */
@media (max-width: 700px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .upload-wrapper {
    padding: 0 0 30px;
  }
  .upload-header h1 {
    font-size: 26px;
  }
  .upload-header p {
    padding-left: 0;
  }
  .drop-zone {
    padding: 32px 20px;
  }
  .analysis-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .analysis-grid {
    grid-template-columns: 1fr;
  }
  .checkbox-group {
    gap: 10px 16px;
  }
}