/* =======================================================
   TamilAI Knowledge Library
   SSL Technology
======================================================= */

.knowledge-library {
  position: fixed;

  top: 50%;

  left: 50%;

  transform: translate(-50%, -50%);

  background: #07141d;

  border: 1px solid #1bc7ff;

  border-radius: 20px;

  display: none;

  flex-direction: column;

  overflow: hidden;

  z-index: 99999;

  box-shadow: 0 0 40px rgba(0, 255, 255, 0.25);

  animation: fadeLibrary 0.35s ease;
}

@keyframes fadeLibrary {
  from {
    opacity: 0;

    transform: translate(-50%, -45%) scale(0.95);
  }

  to {
    opacity: 1;

    transform: translate(-50%, -50%) scale(1);
  }
}
.knowledge-library {
  width: min(96vw, 1600px);

  height: min(92vh, 980px);

  max-width: none;

  max-height: none;
}
.knowledge-header {
  display: flex;

  justify-content: space-between;

  align-items: center;

  padding: 20px;

  background: #081f2e;

  border-bottom: 1px solid #10384f;
}

.knowledge-header h2 {
  margin: 0;

  color: #00d8ff;

  font-size: 24px;
}

.knowledge-header button {
  background: none;

  border: none;

  color: var(--text-primary);

  font-size: 26px;

  cursor: pointer;
}

.knowledge-toolbar {
  padding: 15px;

  background: #08151f;
}

.knowledge-toolbar input {
  width: 100%;

  padding: 12px 15px;

  background: #0d202c;

  border: 1px solid #00bcd4;

  border-radius: 10px;

  color: var(--text-primary);

  outline: none;
}

.knowledge-documents {
  flex: 1;

  overflow: auto;

  padding: 20px;

  display: grid;

  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));

  gap: 20px;
}

/* ==========================================
   Knowledge Card
========================================== */

.knowledge-card {
  background: linear-gradient(
    180deg,
    rgba(17, 42, 59, 0.95),
    rgba(13, 31, 44, 0.95)
  );

  border: 1px solid rgba(0, 216, 255, 0.18);

  border-radius: 18px;

  padding: 18px;

  display: flex;

  flex-direction: column;

  gap: 14px;

  cursor: pointer;

  transition:
    transform 0.25s,
    border-color 0.25s,
    box-shadow 0.25s;

  position: relative;

  overflow: hidden;
}

.knowledge-card:hover {
  transform: translateY(-6px);

  border-color: #00d8ff;

  box-shadow:
    0 0 18px rgba(0, 216, 255, 0.2),
    0 0 35px rgba(0, 216, 255, 0.12);
}

/* ==========================================
   File Name
========================================== */

.knowledge-card h3 {
  margin: 0;

  color: var(--text-primary);

  font-size: 17px;

  font-weight: 600;

  word-break: break-word;
}

.knowledge-card p {
  margin: 5px 0;

  font-size: 13px;

  color: #cfd8dc;
}

.knowledge-statistics {
  padding: 18px;

  background: #08151f;

  border-top: 1px solid #14384d;

  display: flex;

  justify-content: space-around;

  font-size: 15px;

  color: #00d8ff;
}

.knowledge-stat {
  flex: 1;

  text-align: center;

  padding: 12px;

  border-radius: 14px;

  background: rgba(255, 255, 255, 0.03);

  border: 1px solid rgba(255, 255, 255, 0.05);
}

.knowledge-stat h2 {
  margin: 0;

  font-size: 28px;

  color: var(--text-primary);
}

.knowledge-stat span {
  font-size: 13px;

  color: #8fa9b7;
}
/* ==========================================
   Top Area
========================================== */

.knowledge-card-top {
  display: flex;

  justify-content: space-between;

  align-items: center;
}

.knowledge-file-icon {
  width: 56px;

  height: 56px;

  border-radius: 16px;

  display: flex;

  align-items: center;

  justify-content: center;

  font-size: 32px;

  background: rgba(0, 216, 255, 0.08);

  border: 1px solid rgba(0, 216, 255, 0.2);
}
.knowledge-status {
  padding: 5px 12px;

  border-radius: 20px;

  font-size: 12px;

  color: #68ffb0;

  background: rgba(0, 255, 150, 0.08);

  border: 1px solid rgba(0, 255, 150, 0.2);
}
/* ==========================================
   File Type
========================================== */

.knowledge-type {
  color: #6fcfff;

  font-size: 13px;

  opacity: 0.85;
}
/* ==========================================
   Info
========================================== */

.knowledge-info {
  display: flex;

  justify-content: space-between;

  font-size: 13px;

  color: #d7e4eb;

  margin-top: auto;
}
/* ==========================================
   Footer
========================================== */

.knowledge-footer {
  margin-top: 4px;

  font-size: 12px;

  color: #8fa9b7;

  border-top: 1px solid rgba(255, 255, 255, 0.06);

  padding-top: 10px;
}
/* ==========================================
   Empty State
========================================== */

.knowledge-empty {
  width: 100%;

  display: flex;

  flex-direction: column;

  justify-content: center;

  align-items: center;

  text-align: center;

  padding: 80px 20px;

  color: #8aa5b4;
}

.knowledge-empty h3 {
  margin-top: 18px;

  color: var(--text-primary);
}

.knowledge-empty p {
  max-width: 320px;

  line-height: 1.6;
}