:root {
  --msp-bg: var(--white, #ffffff);
  --msp-border: var(--border, #e2e6f3);
  --msp-text: var(--text-dark, #1a1a1a);
  --msp-text-body: var(--text-body, #4a4a4a);
  --msp-text-muted: var(--text-muted, #888888);
  --msp-blue: var(--blue, #1e4ec4);
  --msp-blue-light: var(--blue-light, #dbe0fa);
  --msp-off-white: var(--off-white, #f7f8fc);
  --msp-overlay: rgba(0,0,0,0.4);
  --msp-z: 200;
}

[data-theme="dark"] {
  --msp-bg: var(--white, #0f1117);
  --msp-border: var(--border, #2a2e3b);
  --msp-text: var(--text-dark, #f0f0f0);
  --msp-text-body: var(--text-body, #b8bcc8);
  --msp-text-muted: var(--text-muted, #8a8f9c);
  --msp-blue: var(--blue, #4a7dff);
  --msp-blue-light: var(--blue-light, #1a2342);
  --msp-off-white: var(--off-white, #1a1d26);
  --msp-overlay: rgba(0,0,0,0.6);
}

.melan-search-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--msp-border);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  padding: 0;
  color: var(--msp-text-muted);
  flex-shrink: 0;
}
.melan-search-icon:hover {
  background: var(--msp-off-white);
  border-color: var(--blue-border, #8896da);
}
.melan-search-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 0.2s;
}
.melan-search-icon:hover svg {
  stroke: var(--msp-text);
}

.melan-search-panel-overlay {
  position: fixed;
  inset: 0;
  z-index: calc(var(--msp-z) - 1);
  background: var(--msp-overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.melan-search-panel-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.melan-search-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 400px;
  max-width: 100vw;
  z-index: var(--msp-z);
  background: var(--msp-bg);
  border-left: 1px solid var(--msp-border);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -8px 0 32px rgba(0,0,0,0.1);
}
.melan-search-panel.is-open {
  transform: translateX(0);
}

.melan-search-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--msp-border);
  flex-shrink: 0;
}
.melan-search-panel-header h3 {
  font-family: var(--serif, Georgia, "Times New Roman", serif);
  font-size: 17px;
  font-weight: 400;
  color: var(--msp-text);
  margin: 0;
}
.melan-search-panel-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--msp-text-muted);
  transition: background 0.2s, color 0.2s;
  padding: 0;
}
.melan-search-panel-close:hover {
  background: var(--msp-off-white);
  color: var(--msp-text);
}
.melan-search-panel-close svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.melan-search-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.melan-search-panel-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  border: 1px solid var(--msp-border);
  transition: border-color 0.2s;
}
.melan-search-panel-input-wrap:focus-within {
  border-color: var(--msp-blue);
}
.melan-search-panel-input-wrap svg {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--msp-text-muted);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}
.melan-search-panel-input {
  width: 100%;
  padding: 12px 12px 12px 44px;
  font-family: var(--sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif);
  font-size: 15px;
  border: none;
  outline: none;
  background: transparent;
  color: var(--msp-text);
}
.melan-search-panel-input::placeholder {
  color: var(--msp-text-muted);
}

.melan-search-panel-status {
  font-family: var(--sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif);
  font-size: 12px;
  color: var(--msp-text-muted);
  min-height: 1.5em;
}

.melan-search-panel-hint {
  font-family: var(--sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif);
  font-size: 11px;
  color: var(--msp-text-muted);
  opacity: 0.7;
  margin-top: -0.5rem;
}

.melan-search-panel-results {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.melan-search-panel-result {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--msp-border);
  text-decoration: none;
  transition: background 0.15s;
}
.melan-search-panel-result:last-child {
  border-bottom: none;
}
.melan-search-panel-result:hover {
  background: var(--msp-off-white);
  margin: 0 -1.25rem;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
.melan-search-panel-result-title {
  font-family: var(--serif, Georgia, "Times New Roman", serif);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--msp-text);
  transition: color 0.2s;
}
a.melan-search-panel-result:hover .melan-search-panel-result-title {
  color: var(--msp-blue);
}
.melan-search-panel-result-excerpt {
  font-family: var(--sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif);
  font-size: 13px;
  line-height: 1.5;
  color: var(--msp-text-body);
}
.melan-search-panel-result-excerpt mark {
  background: #fef6e0;
  color: var(--msp-text);
  padding: 0 2px;
}
[data-theme="dark"] .melan-search-panel-result-excerpt mark {
  background: #3a3f52;
}
.melan-search-panel-result-type {
  font-family: var(--sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--msp-blue);
}

.melan-search-panel-empty {
  text-align: center;
  padding: 2rem 0;
  color: var(--msp-text-muted);
  font-family: var(--sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif);
  font-size: 14px;
}

.melan-search-panel-loading {
  text-align: center;
  padding: 2rem 0;
  color: var(--msp-text-muted);
}
.melan-search-panel-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--msp-border);
  border-top-color: var(--msp-blue);
  border-radius: 50%;
  animation: msp-spin 0.6s linear infinite;
}
@keyframes msp-spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 480px) {
  .melan-search-panel {
    width: 100vw;
  }
}