/* Simulate Page Styles */
.sim-container { padding-bottom: 80px; position: relative; z-index: 1; }
.sim-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* ============================================
   HOW IT WORKS BANNER
   ============================================ */
.sim-how-wrap {
  margin: 0 auto 32px;
  background: rgba(167,139,250,0.06);
  border: 1px solid rgba(167,139,250,0.15);
  border-radius: var(--radius-xl);
  padding: 18px 28px;
  position: relative;
  z-index: 1;
}
.sim-how-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.sim-how-icon { font-size: 1rem; }
.sim-how-steps {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.sim-step {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  flex: 1;
  min-width: 150px;
}
.sim-step-num {
  width: 24px; height: 24px;
  background: var(--gradient-main);
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 800;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sim-step-text { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.4; }
.sim-step-text strong { color: var(--text-primary); }
.sim-step-arrow { color: var(--text-muted); font-size: 1.1rem; flex-shrink: 0; }

/* ============================================
   SIMULATION CARDS
   ============================================ */
.sim-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: var(--transition);
}
.sim-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-glow), var(--shadow-card); }

.sc-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.sc-icon {
  font-size: 2.2rem;
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--sc-color) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--sc-color) 30%, transparent);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}
.sc-info h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.sim-card > p { font-size: 0.86rem; color: var(--text-secondary); line-height: 1.6; margin: 0; }

/* ============================================
   IN-CARD FLOW STEPS
   ============================================ */
.sim-flow {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.sf-step {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.76rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px 10px 4px 4px;
}
.sf-num {
  width: 18px; height: 18px;
  background: var(--gradient-main);
  border-radius: 50%;
  font-size: 0.65rem;
  font-weight: 800;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* ============================================
   DATASET SECTION
   ============================================ */
.sim-dataset-section {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}
.sds-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 9px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sds-btns { display: flex; flex-wrap: wrap; gap: 7px; }
.sds-btn {
  padding: 5px 13px;
  background: rgba(248,113,113,0.08);
  border: 1px solid rgba(248,113,113,0.25);
  border-radius: 100px;
  font-size: 0.74rem;
  font-weight: 600;
  color: #f87171;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
}
.sds-btn:hover { background: rgba(248,113,113,0.18); transform: translateY(-1px); }
.sds-btn-safe {
  background: rgba(52,211,153,0.08);
  border-color: rgba(52,211,153,0.25);
  color: #34d399;
}
.sds-btn-safe:hover { background: rgba(52,211,153,0.18); }
.sds-btn-neutral {
  background: rgba(167,139,250,0.08);
  border-color: rgba(167,139,250,0.25);
  color: #a78bfa;
}
.sds-btn-neutral:hover { background: rgba(167,139,250,0.18); }

/* Digit drawing tips */
.digit-tips {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 2px;
}
.dtip {
  font-size: 0.76rem;
  color: var(--text-muted);
  padding: 3px 0;
}
.dtip strong { color: var(--text-secondary); }

/* Sim Body */
.sim-body { display: flex; flex-direction: column; gap: 14px; }
.sim-input {
  width: 100%;
  padding: 12px 14px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.88rem;
  resize: vertical;
  outline: none;
  transition: var(--transition);
}
.sim-input:focus { border-color: var(--purple); box-shadow: 0 0 0 3px rgba(167,139,250,0.1); }

/* Keywords */
.sim-keywords { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.sk-title { font-size: 0.78rem; color: var(--text-muted); width: 100%; }
.sk-word {
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-code);
}
.spam-kw { background: rgba(248,113,113,0.1); color: #f87171; border: 1px solid rgba(248,113,113,0.2); }

/* Example Buttons */
.sim-example-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.seb {
  padding: 5px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
}
.seb:hover { border-color: var(--purple); color: var(--purple); }

/* Inputs Grid */
.sim-inputs-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.sig-item { display: flex; flex-direction: column; gap: 6px; }
.sig-item label { font-size: 0.8rem; color: var(--text-secondary); font-weight: 600; }
.sim-num-input {
  padding: 8px 12px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-code);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
  width: 100%;
}
.sim-num-input:focus { border-color: var(--purple); }

.sim-slider-wrap { display: flex; flex-direction: column; gap: 8px; }
.sim-slider-wrap label { font-size: 0.8rem; color: var(--text-secondary); font-weight: 600; }
.sim-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 6px;
  background: rgba(255,255,255,0.06);
  outline: none;
}
.sim-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gradient-main);
  cursor: pointer;
}

/* Sim Button */
.sim-btn {
  padding: 10px 20px;
  background: var(--gradient-main);
  color: white;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-family: var(--font-main);
  border: none;
  cursor: pointer;
  width: 100%;
}
.sim-btn:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(124,58,237,0.3); }
.sim-btn-sm {
  padding: 6px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-main);
  transition: var(--transition);
}
.sim-btn-sm:hover { border-color: var(--purple); color: var(--purple); }

/* Result Box */
.sim-result {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  animation: fadeInUp 0.3s ease;
}
.sim-result.spam     { background: rgba(248,113,113,0.08); border: 1px solid rgba(248,113,113,0.3); }
.sim-result.ham      { background: rgba(52,211,153,0.08);  border: 1px solid rgba(52,211,153,0.3);  }
.sim-result.neutral  { background: rgba(167,139,250,0.08); border: 1px solid rgba(167,139,250,0.3); }
.sim-result.positive { background: rgba(52,211,153,0.08);  border: 1px solid rgba(52,211,153,0.3);  }
.sim-result.negative { background: rgba(248,113,113,0.08); border: 1px solid rgba(248,113,113,0.3); }
.sim-result.info     { background: rgba(56,189,248,0.08);  border: 1px solid rgba(56,189,248,0.3);  }

.sr-label { font-size: 1.1rem; font-weight: 800; margin-bottom: 8px; }
.sr-bar-wrap { margin: 10px 0; }
.sr-bar-label { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--text-muted); margin-bottom: 5px; }
.sr-bar { height: 8px; background: rgba(255,255,255,0.06); border-radius: 8px; overflow: hidden; }
.sr-bar-fill { height: 100%; border-radius: 8px; transition: width 1s ease; }
.sr-desc { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.5; }

/* ============================================
   DIGIT RECOGNIZER
   ============================================ */
.digit-canvas-wrap { display: flex; align-items: flex-start; gap: 12px; }
#digitCanvas {
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  cursor: crosshair;
  background: #000;
  flex-shrink: 0;
  touch-action: none;
  width: 180px;
  height: 180px;
}
.digit-controls { display: flex; flex-direction: column; gap: 8px; }
.digit-bars { display: flex; flex-direction: column; gap: 6px; }
.db-row { display: flex; align-items: center; gap: 10px; font-size: 0.8rem; font-family: var(--font-code); }
.db-label { width: 20px; color: var(--text-muted); text-align: right; flex-shrink: 0; }
.db-bar { flex: 1; height: 8px; background: rgba(255,255,255,0.05); border-radius: 8px; overflow: hidden; }
.db-fill { height: 100%; border-radius: 8px; background: var(--gradient-main); transition: width 0.8s ease; }
.db-pct { width: 38px; color: var(--text-secondary); text-align: right; flex-shrink: 0; }
.db-row.top-pred .db-fill  { background: var(--gradient-hot); }
.db-row.top-pred .db-label { color: var(--yellow); font-weight: 700; }

/* ============================================
   IMAGE CLASSIFIER
   ============================================ */
.img-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.img-opt {
  padding: 8px 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}
.img-opt:hover, .img-opt.active {
  background: rgba(167,139,250,0.1);
  border-color: rgba(167,139,250,0.3);
  color: var(--purple);
}
.img-preview {
  font-size: 5rem;
  text-align: center;
  padding: 20px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

/* ============================================
   STOCK PREDICTOR
   ============================================ */
.stock-selector { display: flex; gap: 8px; flex-wrap: wrap; }
.stk-btn {
  padding: 6px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  font-family: var(--font-code);
  cursor: pointer;
  transition: var(--transition);
}
.stk-btn:hover, .stk-btn.active { background: rgba(251,191,36,0.1); border-color: rgba(251,191,36,0.3); color: var(--yellow); }
.stock-canvas {
  display: block;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.3);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
  .sim-grid { grid-template-columns: repeat(2, 1fr); }
  .sim-how-steps { gap: 6px; }
}
@media (max-width: 700px) {
  .sim-grid { grid-template-columns: 1fr; }
  .img-selector { grid-template-columns: repeat(2,1fr); }
  .sim-how-steps { flex-direction: column; }
  .sim-step-arrow { transform: rotate(90deg); }
  .sim-step { min-width: unset; }
}