/* ============================================================
   SMI AGENTS — /tools page
   Extends assets/style.css (brand tokens are inherited)
   ============================================================ */

/* Compact hero (tools page has no full-height hero) */
.tools-hero {
  min-height: auto;
  padding-top: calc(var(--header-height) + 72px);
  padding-bottom: 40px;
}

.tools-hero .hero-content {
  padding: 20px;
}

.tools-hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  margin-bottom: 20px;
}

.tools-hero .hero-sub {
  margin-bottom: 32px;
}

/* --- Search --- */
.tool-search-wrap {
  position: relative;
  max-width: 560px;
  margin: 0 auto;
}

.tool-search {
  width: 100%;
  padding: 16px 52px 16px 22px;
  background: rgba(19, 28, 49, 0.75);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  color: var(--text-primary);
  font-family: var(--font-bangla);
  font-size: 1rem;
  outline: none;
  backdrop-filter: blur(12px);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.tool-search::placeholder {
  color: var(--text-muted);
}

.tool-search:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.08), 0 0 30px rgba(0, 212, 255, 0.14);
}

.search-icon {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  opacity: 0.55;
  pointer-events: none;
}

/* --- Tools section --- */
.tools-section {
  padding-top: 24px;
}

/* --- Filter bar --- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 22px;
}

.filter-btn {
  padding: 9px 20px;
  background: rgba(19, 28, 49, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  color: var(--text-secondary);
  font-family: var(--font-bangla);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(0, 212, 255, 0.35);
  transform: translateY(-1px);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-color: transparent;
  color: var(--bg-primary);
  font-weight: 600;
  box-shadow: 0 0 22px rgba(0, 212, 255, 0.25);
}

/* --- Count --- */
.tool-count {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 32px;
  text-transform: uppercase;
}

/* --- Grid --- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* --- Tool card --- */
.tools-grid .tool-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 22px 22px 20px;
  background: var(--bg-card);
  background-image: radial-gradient(circle at 50% 0%, rgba(0, 212, 255, 0.045) 0%, transparent 65%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
}

/* CRITICAL: must outrank ".tools-grid .tool-card { display:flex }" above.
   Same specificity + later position + !important = always wins. */
.tools-grid .tool-card[hidden],
.tool-card[hidden] {
  display: none !important;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-2);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.tool-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.32),
    inset 0 0 30px rgba(0, 212, 255, 0.04);
}

.tool-card:hover::before {
  opacity: 1;
}

.tool-card:hover .tool-arrow {
  opacity: 1;
  transform: translateX(3px);
  color: var(--accent-cyan);
}

.tool-card:hover .tool-icon {
  transform: scale(1.1);
  border-color: rgba(0, 212, 255, 0.4);
}

.tool-icon {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.12);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
}

.tool-body {
  flex: 1;
  min-width: 0;
}

.tool-card h3 {
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 1.6px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 3px;
  opacity: 0.9;
}

.tool-card h3 .bn-title {
  display: block;
  font-family: var(--font-bangla);
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-primary);
  margin-top: 2px;
  opacity: 1;
}

.tool-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 6px;
}

.tool-arrow {
  position: absolute;
  right: 18px;
  bottom: 18px;
  font-size: 1rem;
  color: var(--text-muted);
  opacity: 0.35;
  transition: all var(--transition-normal);
}

/* --- Empty state --- */
.tools-empty {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  padding: 48px 0;
}

.tools-empty[hidden] {
  display: none !important;
}

/* --- Coming soon --- */
.soon-box {
  margin-top: 56px;
  padding: 42px 32px;
  text-align: center;
  background: rgba(19, 28, 49, 0.5);
  border: 1px dashed rgba(0, 212, 255, 0.22);
  border-radius: var(--radius-md);
}

.soon-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
}

.soon-box h3 {
  font-family: var(--font-bangla);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.soon-box p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 24px;
}

/* ============================================================
   VIDEO SECTION
   ============================================================ */
.video-box {
  margin-top: 44px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
  backdrop-filter: blur(10px);
}
.video-box-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}
.video-box-head h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 4px;
  letter-spacing: 0.4px;
}
.video-box-head p { margin: 0; font-size: 0.86rem; opacity: 0.62; }
.video-player-wrap {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.video-player-wrap video {
  display: block;
  width: 100%;
  max-height: 68vh;
  height: auto;
  background: #000;
}
.video-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}
.video-chip {
  font-size: 0.76rem;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  letter-spacing: 0.3px;
  opacity: 0.85;
}
.video-meta .btn { margin-left: auto; }

@media (max-width: 560px) {
  .video-box { padding: 16px; margin-top: 32px; }
  .video-meta .btn { margin-left: 0; width: 100%; text-align: center; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .tools-hero { padding-top: calc(var(--header-height) + 48px); }
  .tools-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .tool-card { padding: 18px; gap: 12px; }
  .tool-icon { flex-basis: 38px; width: 38px; height: 38px; font-size: 1.1rem; }
  .tool-card h3 .bn-title { font-size: 1rem; }
  .tool-card p { font-size: 0.8rem; }
}

@media (max-width: 560px) {
  .tools-grid { grid-template-columns: 1fr; }
  .filter-bar { gap: 8px; }
  .filter-btn { padding: 8px 15px; font-size: 0.85rem; }
  .tool-search { padding: 14px 46px 14px 18px; font-size: 16px; }
  .soon-box { padding: 32px 20px; }
}