/* ===============================================================
   NAGALAND AI — Memory Settings UI (nai_memory_ui.css)
   Professional dark theme matching Nagaland AI design
   =============================================================== */

/* ── Modal Overlay ── */
.nai-mem-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
}
.nai-mem-overlay.nai-mem-open {
  display: flex;
}

/* ── Animations ── */
@keyframes naiMemFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes naiMemSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Panel ── */
.nai-mem-panel {
  background: #0f1129;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: naiMemSlideUp 0.25s ease;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Embedded mode (standalone page — no overlay) */
.nai-mem-embedded .nai-mem-panel {
  margin: 0 auto;
  max-height: none;
  animation: none;
}

/* ── Header ── */
.nai-mem-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.nai-mem-title {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin: 0;
}
.nai-mem-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  font-size: 22px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
  transition: all 0.15s;
  line-height: 1;
}
.nai-mem-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* ── Body ── */
.nai-mem-body {
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1;
}

/* ── Description ── */
.nai-mem-desc {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  line-height: 1.5;
  margin: 0 0 20px 0;
}

/* ── Usage bar ── */
.nai-mem-usage {
  margin-bottom: 24px;
}
.nai-mem-usage-text {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 8px;
}
.nai-mem-usage-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}
.nai-mem-usage-fill {
  height: 100%;
  background: linear-gradient(90deg, #6366f1, #818cf8);
  border-radius: 3px;
  transition: width 0.3s ease;
}
.nai-mem-usage-fill.nai-mem-full {
  background: linear-gradient(90deg, #ef4444, #f87171);
}

/* ── Memory list ── */
.nai-mem-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

/* ── Memory item ── */
.nai-mem-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  transition: all 0.15s;
}
.nai-mem-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.1);
}
.nai-mem-item-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: rgba(99, 102, 241, 0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #818cf8;
  font-size: 14px;
}
.nai-mem-item-content {
  flex: 1;
  min-width: 0;
}
.nai-mem-item-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  line-height: 1.5;
  word-break: break-word;
}
.nai-mem-item-date {
  color: rgba(255, 255, 255, 0.3);
  font-size: 11px;
  margin-top: 4px;
}
.nai-mem-item-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.15s;
}
.nai-mem-item:hover .nai-mem-item-actions {
  opacity: 1;
}

/* ── Icon buttons (edit/delete) ── */
.nai-mem-btn-icon {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 14px;
  transition: all 0.15s;
  line-height: 1;
}
.nai-mem-btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}
.nai-mem-btn-delete:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

/* ── Edit mode ── */
.nai-mem-edit-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.5);
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  padding: 10px 12px;
  outline: none;
  font-family: inherit;
  resize: vertical;
  min-height: 40px;
  max-height: 120px;
  box-sizing: border-box;
}
.nai-mem-edit-input:focus {
  border-color: #818cf8;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}
.nai-mem-edit-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

/* ── Shared button styles ── */
.nai-mem-btn-save {
  background: #6366f1;
  color: #fff;
  border: none;
  padding: 7px 18px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
  font-family: inherit;
}
.nai-mem-btn-save:hover { background: #4f46e5; }
.nai-mem-btn-save:disabled { opacity: 0.5; cursor: not-allowed; }

.nai-mem-btn-cancel {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  border: none;
  padding: 7px 18px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.nai-mem-btn-cancel:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* ── Add memory ── */
.nai-mem-add-wrap {
  margin-bottom: 16px;
}
.nai-mem-add-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px dashed rgba(99, 102, 241, 0.3);
  border-radius: 10px;
  color: #818cf8;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.nai-mem-add-btn:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.5);
}
.nai-mem-add-form {
  display: none;
  padding: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
}
.nai-mem-add-form.nai-mem-active {
  display: block;
}
.nai-mem-add-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  padding: 10px 12px;
  outline: none;
  font-family: inherit;
  resize: vertical;
  min-height: 40px;
  max-height: 120px;
  margin-bottom: 10px;
  box-sizing: border-box;
}
.nai-mem-add-input:focus {
  border-color: #818cf8;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}
.nai-mem-add-input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}
.nai-mem-add-actions {
  display: flex;
  gap: 8px;
}

/* ── Footer ── */
.nai-mem-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.nai-mem-clear-btn {
  background: none;
  border: none;
  color: rgba(239, 68, 68, 0.7);
  font-size: 13px;
  cursor: pointer;
  padding: 6px 0;
  transition: color 0.15s;
  font-family: inherit;
}
.nai-mem-clear-btn:hover {
  color: #ef4444;
}

/* ── Empty state ── */
.nai-mem-empty {
  text-align: center;
  padding: 32px 16px;
  color: rgba(255, 255, 255, 0.4);
}
.nai-mem-empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.5;
}
.nai-mem-empty-text {
  font-size: 15px;
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.6);
}
.nai-mem-empty-sub {
  font-size: 13px;
  line-height: 1.5;
}

/* ── Upgrade prompt ── */
.nai-mem-upgrade {
  text-align: center;
  padding: 32px 16px;
}
.nai-mem-upgrade-icon {
  font-size: 48px;
  margin-bottom: 16px;
}
.nai-mem-upgrade-text {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  margin-bottom: 20px;
  line-height: 1.6;
}
.nai-mem-upgrade-btn {
  display: inline-block;
  background: linear-gradient(135deg, #6366f1, #818cf8);
  color: #fff;
  text-decoration: none;
  padding: 11px 28px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: transform 0.15s, box-shadow 0.15s;
}
.nai-mem-upgrade-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  color: #fff;
  text-decoration: none;
}

/* ── Login prompt ── */
.nai-mem-login {
  text-align: center;
  padding: 32px 16px;
}
.nai-mem-login-text {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  margin-bottom: 20px;
  line-height: 1.5;
}
.nai-mem-login-btn {
  display: inline-block;
  background: #6366f1;
  color: #fff;
  text-decoration: none;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s;
}
.nai-mem-login-btn:hover {
  background: #4f46e5;
  color: #fff;
  text-decoration: none;
}
.nai-mem-login-btn-secondary {
  background: #374151;
  margin-left: 8px;
}
.nai-mem-login-btn-secondary:hover {
  background: #4b5563;
}

/* ── Confirm dialog ── */
.nai-mem-confirm {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: naiMemFadeIn 0.15s ease;
}
.nai-mem-confirm-box {
  background: #1a1b3a;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 24px;
  max-width: 360px;
  width: 90%;
  text-align: center;
  animation: naiMemSlideUp 0.2s ease;
}
.nai-mem-confirm-text {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  margin-bottom: 20px;
  line-height: 1.5;
}
.nai-mem-confirm-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
}
.nai-mem-confirm-yes {
  background: #ef4444;
  color: #fff;
  border: none;
  padding: 9px 22px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
}
.nai-mem-confirm-yes:hover { background: #dc2626; }
.nai-mem-confirm-no {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: none;
  padding: 9px 22px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
}
.nai-mem-confirm-no:hover { background: rgba(255, 255, 255, 0.15); }

/* ── Loading ── */
.nai-mem-loading {
  text-align: center;
  padding: 40px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
}
.nai-mem-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-top-color: #818cf8;
  border-radius: 50%;
  animation: naiMemSpin 0.6s linear infinite;
  margin-bottom: 12px;
}
@keyframes naiMemSpin {
  to { transform: rotate(360deg); }
}

/* ── Toast notification ── */
.nai-mem-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #1e1f3b;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 14px;
  z-index: 10002;
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.nai-mem-toast.nai-mem-toast-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.nai-mem-toast-error { border-color: rgba(239, 68, 68, 0.3); }
.nai-mem-toast-success { border-color: rgba(34, 197, 94, 0.3); }

/* ── Gear button (for chat header) ── */
.nai-mem-gear {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  font-size: 18px;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 8px;
  transition: all 0.15s;
  line-height: 1;
}
.nai-mem-gear:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* ── Mobile ── */
@media (max-width: 600px) {
  .nai-mem-panel {
    width: 100%;
    max-width: 100%;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
  }
  .nai-mem-item-actions {
    opacity: 1;
  }
  .nai-mem-header { padding: 16px 18px; }
  .nai-mem-body { padding: 16px 18px; }
  .nai-mem-footer { padding: 14px 18px; }
}