:root {
  --qadam-primary: #83293f;
  --qadam-primary-dark: #682033;
  --qadam-ink: #172033;
  --qadam-muted: #667085;
  --qadam-border: #e3e8ef;
  --qadam-soft: #f5f7fa;
  --qadam-blue: #2457d6;
  --qadam-green: #087a55;
}

body.qadam-modal-open { overflow: hidden; }

.qadam-modal-overlay,
.qadam-modal-overlay * { box-sizing: border-box; }

.qadam-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999999;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  background: rgba(15, 23, 42, .58);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

.qadam-modal-overlay.active { opacity: 1; pointer-events: auto; }

.qadam-modal-window {
  width: 100%;
  max-width: 560px;
  max-height: 94dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #fff;
  border-radius: 26px 26px 0 0;
  box-shadow: 0 -18px 60px rgba(15, 23, 42, .25);
  transform: translateY(100%);
  transition: transform .32s cubic-bezier(.16, 1, .3, 1);
}

.qadam-modal-overlay.active .qadam-modal-window { transform: translateY(0); }

.qadam-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 20px 15px;
  border-bottom: 1px solid var(--qadam-border);
  background: linear-gradient(135deg, #fff 0%, #fff7f9 100%);
}

.qadam-kicker {
  display: block;
  margin-bottom: 3px;
  color: var(--qadam-primary);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
}

.qadam-modal-header h2 {
  margin: 0 !important;
  color: var(--qadam-ink) !important;
  font-size: 20px !important;
  font-weight: 800 !important;
  line-height: 1.25 !important;
}

.qadam-icon-btn {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #eef1f5;
  color: #475467;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.qadam-icon-btn:hover { background: #e1e6ec; color: var(--qadam-ink); }
.qadam-icon-btn:focus-visible,
.qadam-mode:focus-visible,
.qadam-upload-btn:focus-within,
.qadam-analyze-btn:focus-visible { outline: 3px solid rgba(36, 87, 214, .28); outline-offset: 2px; }

.qadam-modal-body {
  padding: 16px 18px calc(24px + env(safe-area-inset-bottom, 0px));
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.qadam-task-card {
  position: relative;
  margin-bottom: 15px;
  padding: 14px 15px;
  border: 1px solid #d7e5ff;
  border-radius: 15px;
  background: #f2f7ff;
}

.qadam-task-card p {
  margin: 0 !important;
  color: var(--qadam-ink) !important;
  font-size: 14px !important;
  line-height: 1.5 !important;
}

.qadam-task-number {
  display: inline-flex;
  margin-bottom: 7px;
  padding: 3px 8px;
  border-radius: 999px;
  background: #dbe8ff;
  color: #24488f;
  font-size: 11px;
  font-weight: 800;
}

.qadam-mode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 17px;
}

.qadam-mode {
  min-height: 68px;
  padding: 10px 11px;
  border: 1.5px solid var(--qadam-border);
  border-radius: 13px;
  background: #fff;
  text-align: left;
  cursor: pointer;
  transition: border-color .16s ease, background .16s ease, transform .16s ease;
}

.qadam-mode:hover { border-color: #c2cbd8; transform: translateY(-1px); }
.qadam-mode.active { border-color: var(--qadam-primary); background: #fff5f7; box-shadow: 0 0 0 2px rgba(131, 41, 63, .08); }
.qadam-mode strong { display: block; color: var(--qadam-ink); font-size: 13.5px; }
.qadam-mode.active strong { color: var(--qadam-primary); }
.qadam-mode span { display: block; margin-top: 3px; color: var(--qadam-muted); font-size: 11.5px; line-height: 1.3; }

.qadam-field-label {
  display: block;
  margin-bottom: 7px;
  color: var(--qadam-ink);
  font-size: 13px;
  font-weight: 750;
}

.qadam-textarea {
  width: 100%;
  min-height: 94px;
  resize: vertical;
  padding: 12px 13px;
  border: 1.5px solid #cfd6df;
  border-radius: 13px;
  background: #fff;
  color: var(--qadam-ink);
  font: inherit;
  font-size: 14px;
  line-height: 1.5;
}

.qadam-textarea:focus { border-color: var(--qadam-blue); outline: 3px solid rgba(36, 87, 214, .1); }

.qadam-upload-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 11px 0;
}

.qadam-upload-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 13px;
  border: 1.5px dashed #aeb8c6;
  border-radius: 11px;
  background: var(--qadam-soft);
  color: #344054;
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
}

.qadam-upload-btn input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.qadam-file-name { min-width: 0; overflow: hidden; color: var(--qadam-muted); font-size: 11.5px; text-overflow: ellipsis; white-space: nowrap; }

.qadam-preview {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  padding: 8px;
  border-radius: 12px;
  background: #f8fafc;
  color: var(--qadam-muted);
  font-size: 11.5px;
}

.qadam-preview[hidden] { display: none; }
.qadam-preview img { width: 64px; height: 64px; border-radius: 9px; object-fit: cover; }

.qadam-analyze-btn {
  width: 100%;
  min-height: 48px;
  padding: 11px 16px;
  border: 0;
  border-radius: 999px;
  background: var(--qadam-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(131, 41, 63, .23);
  transition: background .16s ease, transform .16s ease;
}

.qadam-analyze-btn:hover { background: var(--qadam-primary-dark); }
.qadam-analyze-btn:active { transform: scale(.985); }
.qadam-analyze-btn:disabled { opacity: .62; cursor: wait; box-shadow: none; }

.qadam-result { margin-top: 16px; }

.qadam-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 30px 14px;
  color: var(--qadam-ink);
  text-align: center;
}

.qadam-loading small { margin-top: 5px; color: var(--qadam-muted); }
.qadam-spinner { width: 38px; height: 38px; margin-bottom: 12px; border: 4px solid #e5eaf0; border-top-color: var(--qadam-primary); border-radius: 50%; animation: qadam-spin .8s linear infinite; }
@keyframes qadam-spin { to { transform: rotate(360deg); } }

.qadam-feedback {
  padding-top: 15px;
  border-top: 1px solid var(--qadam-border);
}

.qadam-feedback-top { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-bottom: 11px; }
.qadam-status,.qadam-skill { display: inline-flex; padding: 5px 9px; border-radius: 999px; font-size: 11px; font-weight: 800; }
.qadam-status-correct { background: #e7f8f0; color: #087a55; }
.qadam-status-needs_work { background: #fff0f0; color: #b42318; }
.qadam-status-incomplete { background: #fff5dc; color: #8a5a00; }
.qadam-status-not_checked { background: #eaf1ff; color: #2457d6; }
.qadam-skill { background: #f0f2f5; color: #475467; }
.qadam-image-read { margin: 0 0 10px !important; color: var(--qadam-green) !important; font-size: 11.5px !important; font-weight: 700 !important; }

.qadam-answer-block {
  margin: 9px 0;
  padding: 12px 13px;
  border: 1px solid var(--qadam-border);
  border-radius: 13px;
  background: #fff;
}

.qadam-answer-block h3 { margin: 0 0 5px !important; color: var(--qadam-muted) !important; font-size: 10.5px !important; font-weight: 800 !important; letter-spacing: .05em; text-transform: uppercase; }
.qadam-answer-block p,.qadam-answer-block li { margin: 0 !important; color: var(--qadam-ink) !important; font-size: 13.5px !important; line-height: 1.55 !important; }
.qadam-answer-block ol { margin: 5px 0 0 20px !important; padding: 0 !important; }
.qadam-answer-block li + li { margin-top: 6px !important; }
.qadam-block-error { border-color: #f2c7c3; background: #fff7f6; }
.qadam-block-hint { border-color: #cbdcff; background: #f5f8ff; }
.qadam-block-question { border-color: #edd49b; background: #fffbef; }
.qadam-block-formula { border-color: #c9d2df; background: #f7f9fb; font-family: "SFMono-Regular", Consolas, monospace; }
.qadam-block-answer { border-color: #9ed9c2; background: #effbf6; }
.qadam-block-similar { border-color: #d5c7f1; background: #faf7ff; }
.qadam-block-book { border-color: #f0d2dc; background: #fff7fa; }

.qadam-pedagogy-note { margin: 12px 2px 0 !important; color: var(--qadam-muted) !important; font-size: 11px !important; text-align: center; }
.qadam-error { padding: 14px; border: 1px solid #f2b8b5; border-radius: 13px; background: #fff5f5; color: #9f1c16; }
.qadam-error p { margin: 5px 0 0 !important; color: inherit !important; font-size: 13px !important; }

@media (min-width: 620px) {
  .qadam-modal-overlay { align-items: center; padding: 22px; }
  .qadam-modal-window { max-height: 88vh; border-radius: 26px; transform: translateY(24px) scale(.98); opacity: 0; }
  .qadam-modal-overlay.active .qadam-modal-window { transform: translateY(0) scale(1); opacity: 1; }
  .qadam-modal-header { padding: 21px 24px 16px; }
  .qadam-modal-body { padding: 18px 24px 25px; }
}

@media (max-width: 380px) {
  .qadam-mode-grid { grid-template-columns: 1fr; }
  .qadam-mode { min-height: 56px; }
  .qadam-upload-row { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .qadam-modal-overlay,.qadam-modal-window,.qadam-mode,.qadam-analyze-btn { transition: none; }
  .qadam-spinner { animation-duration: 1.5s; }
}