/* ============================================================
   Calcuary AI Tools - Main Stylesheet
   calcuary.com
   ============================================================ */

:root {
  --cat-primary: #2563eb;
  --cat-accent:  #7c3aed;
  --cat-success: #059669;
  --cat-warning: #d97706;
  --cat-danger:  #dc2626;
  --cat-bg:      #f8fafc;
  --cat-card:    #ffffff;
  --cat-border:  #e2e8f0;
  --cat-text:    #1e293b;
  --cat-muted:   #64748b;
  --cat-radius:  12px;
  --cat-shadow:  0 4px 24px rgba(0,0,0,0.08);
}

/* ── Wrapper ─────────────────────────────────────────────── */
.cat-wrapper {
  background: var(--cat-card);
  border: 1px solid var(--cat-border);
  border-radius: var(--cat-radius);
  box-shadow: var(--cat-shadow);
  max-width: 760px;
  margin: 32px auto;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ── Header ──────────────────────────────────────────────── */
.cat-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 28px;
  background: linear-gradient(135deg, var(--cat-primary), var(--cat-accent));
  color: #fff;
}
.cat-icon { font-size: 36px; line-height: 1; }
.cat-title { margin: 0 0 4px; font-size: 1.4rem; font-weight: 700; }
.cat-desc  { margin: 0; font-size: 0.875rem; opacity: 0.88; }

/* ── Body ────────────────────────────────────────────────── */
.cat-body { padding: 28px; }

/* ── Grid ────────────────────────────────────────────────── */
.cat-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
@media (max-width: 540px) {
  .cat-grid-2 { grid-template-columns: 1fr; }
}

/* ── Fields ──────────────────────────────────────────────── */
.cat-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--cat-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.cat-input {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--cat-border);
  border-radius: 8px;
  font-size: 1rem;
  color: var(--cat-text);
  background: var(--cat-bg);
  transition: border-color .2s, box-shadow .2s;
  box-sizing: border-box;
}
.cat-input:focus {
  outline: none;
  border-color: var(--cat-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}
textarea.cat-input { resize: vertical; min-height: 120px; }

/* ── Button ──────────────────────────────────────────────── */
.cat-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--cat-primary), var(--cat-accent));
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 4px 14px rgba(37,99,235,0.3);
  margin-bottom: 20px;
}
.cat-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37,99,235,0.4); }
.cat-btn:active { transform: translateY(0); }

/* ── Result Box ──────────────────────────────────────────── */
.cat-result {
  background: var(--cat-bg);
  border: 1px solid var(--cat-border);
  border-radius: 10px;
  padding: 20px;
  display: none;
}
.cat-result.show { display: block; animation: catFadeIn .3s ease; }

@keyframes catFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cat-result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--cat-border);
}
.cat-result-row:last-child { border-bottom: none; }
.cat-result-label { color: var(--cat-muted); font-size: 0.9rem; }
.cat-result-value { font-weight: 700; font-size: 1.05rem; color: var(--cat-text); }
.cat-result-value.highlight {
  color: var(--cat-primary);
  font-size: 1.3rem;
}
.cat-result-value.success { color: var(--cat-success); }
.cat-result-value.warning { color: var(--cat-warning); }
.cat-result-value.danger  { color: var(--cat-danger); }

/* ── Meter / Progress Bar ────────────────────────────────── */
.cat-meter {
  height: 12px;
  background: var(--cat-border);
  border-radius: 6px;
  overflow: hidden;
  margin: 8px 0;
}
.cat-meter-fill {
  height: 100%;
  border-radius: 6px;
  transition: width .5s ease;
}

/* ── Tabs ────────────────────────────────────────────────── */
.cat-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.cat-tab {
  padding: 8px 16px;
  border: 2px solid var(--cat-border);
  background: transparent;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--cat-muted);
  transition: all .2s;
}
.cat-tab.active {
  border-color: var(--cat-primary);
  background: var(--cat-primary);
  color: #fff;
}

/* ── AI Zone ─────────────────────────────────────────────── */
.cat-ai-zone {
  padding: 20px 28px;
  background: linear-gradient(135deg, #faf5ff, #eff6ff);
  border-top: 1px solid var(--cat-border);
}
.cat-ai-btn {
  padding: 9px 20px;
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  color: #fff;
  border: none;
  border-radius: 7px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .2s;
}
.cat-ai-btn:hover { opacity: 0.88; }
.cat-ai-result {
  margin-top: 12px;
  font-size: 0.95rem;
  color: var(--cat-text);
  line-height: 1.6;
}

/* ── All Tools Card Grid ─────────────────────────────────── */
.cat-tools-grid {
  display: grid;
  gap: 20px;
  margin: 24px 0;
}
.cat-cols-2 { grid-template-columns: repeat(2, 1fr); }
.cat-cols-3 { grid-template-columns: repeat(3, 1fr); }
.cat-cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .cat-cols-4, .cat-cols-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .cat-tools-grid { grid-template-columns: 1fr; } }

.cat-card {
  display: block;
  text-decoration: none;
  background: var(--cat-card);
  border: 2px solid var(--cat-border);
  border-radius: var(--cat-radius);
  padding: 24px 20px;
  text-align: center;
  transition: all .25s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.cat-card:hover {
  border-color: var(--cat-primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(37,99,235,0.15);
  text-decoration: none;
}
.cat-card-icon { font-size: 2.4rem; display: block; margin-bottom: 10px; }
.cat-card-title { font-size: 1rem; font-weight: 700; color: var(--cat-text); margin: 0 0 4px; }
.cat-card-cat {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cat-primary);
  margin: 0 0 8px;
}
.cat-card-desc { font-size: 0.82rem; color: var(--cat-muted); margin: 0; line-height: 1.5; }

/* ── Password Strength ───────────────────────────────────── */
.cat-strength-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 10px;
}

/* ── Loading Spinner ─────────────────────────────────────── */
.cat-loading {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 3px solid rgba(37,99,235,0.2);
  border-top-color: var(--cat-primary);
  border-radius: 50%;
  animation: catSpin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}
@keyframes catSpin { to { transform: rotate(360deg); } }