/* ========================================
   2000년대 딥웹 스타일 CSS
   2000s Retro Deepweb Aesthetic
   ======================================== */

:root {
  --bg: #000;
  --panel: #1a1a1a;
  --text: #00ff00;
  --text-muted: #008000;
  --accent: #00ff00;
  --border: #00ff00;
  --sidebar-width: 260px;
  --max-width: 1100px;
  font-family: "Courier New", Courier, monospace;
}

/* Reset */
* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-family, "Courier New", Courier, monospace);
  overflow-x: hidden;
}

/* Scrollbar - 레트로 스타일 */
::-webkit-scrollbar {
  width: 12px;
  background: var(--bg);
}

::-webkit-scrollbar-track {
  background: #0a0a0a;
  border: 1px solid var(--border);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border: 1px solid var(--text-muted);
}

/* ====== TOPBAR ====== */
.topbar {
  background: linear-gradient(180deg, #1a1a1a, #0a0a0a);
  border-bottom: 2px solid var(--accent);
  box-shadow: 0 0 20px rgba(0, 255, 0, 0.3);
}

.topbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo .mark {
  width: 44px;
  height: 44px;
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-weight: 700;
  font-size: 20px;
  background: #0a0a0a;
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
  letter-spacing: 2px;
}

.sitename {
  font-weight: 700;
  font-size: 18px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

.subtitle {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
}

/* ====== SEARCH ====== */
.top-search {
  margin-left: auto;
}

.searchbox {
  display: flex;
  align-items: center;
  background: #0a0a0a;
  border: 2px solid var(--accent);
  padding: 6px 8px;
  box-shadow: 0 0 15px rgba(0, 255, 0, 0.3);
}

.searchbox input {
  border: none;
  outline: none;
  font-size: 14px;
  width: 300px;
  background: transparent;
  color: var(--accent);
  font-family: inherit;
  text-shadow: 0 0 5px rgba(0, 255, 0, 0.3);
}

.searchbox input::placeholder {
  color: var(--text-muted);
}

.searchbox button {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 8px 12px;
  cursor: pointer;
  margin-left: 8px;
  font-family: inherit;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: bold;
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.4);
  transition: all 0.2s;
}

.searchbox button:hover {
  background: rgba(0, 255, 0, 0.1);
  box-shadow: 0 0 20px rgba(0, 255, 0, 0.6);
}

/* ====== LAYOUT ====== */
.container {
  max-width: var(--max-width);
  margin: 24px auto;
  display: flex;
  gap: 20px;
  padding: 0 12px;
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--panel);
  border: 2px solid var(--accent);
  padding: 16px;
  height: calc(100vh - 160px);
  overflow: auto;
  box-shadow: 0 0 15px rgba(0, 255, 0, 0.2);
}

.main {
  flex: 1;
  min-height: 600px;
}

/* ====== SIDEBAR ====== */
.nav-section {
  margin-bottom: 18px;
  border-bottom: 1px dashed var(--text-muted);
  padding-bottom: 12px;
}

.nav-section h3 {
  font-size: 13px;
  margin: 0 0 8px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 0 5px rgba(0, 255, 0, 0.5);
}

.nav-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-section li {
  padding: 6px 8px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s;
  border-left: 2px solid transparent;
  margin: 2px 0;
  font-size: 12px;
}

.nav-section li:hover {
  background: rgba(0, 255, 0, 0.1);
  border-left: 2px solid var(--accent);
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.6);
}

/* ====== PANEL ====== */
.panel {
  background: var(--panel);
  border: 2px solid var(--accent);
  padding: 18px;
  box-shadow: 0 0 20px rgba(0, 255, 0, 0.15);
}

/* ====== HEADINGS ====== */
h1, h2, h3, h4, h5, h6 {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.4);
}

h2 {
  font-size: 24px;
  margin: 12px 0;
  border-bottom: 1px solid var(--text-muted);
  padding-bottom: 8px;
}

h3 {
  font-size: 16px;
  margin: 12px 0 8px;
}

/* ====== ENTRY LIST ====== */
.entry-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin: 12px 0;
}

.entry-card {
  padding: 12px;
  border: 1px solid var(--border);
  background: #0a0a0a;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.1);
}

.entry-card:hover {
  border: 2px solid var(--accent);
  background: rgba(0, 255, 0, 0.05);
  box-shadow: 0 0 20px rgba(0, 255, 0, 0.4);
}

.entry-card h4 {
  margin: 0;
  font-size: 18px;
  color: var(--accent);
  text-shadow: 0 0 5px rgba(0, 255, 0, 0.4);
}

.entry-card p {
  margin: 6px 0 0;
  color: var(--text);
  font-size: 13px;
}

/* ====== ENTRY VIEW ====== */
.entry-header {
  display: flex;
  align-items: center;
  gap: 18px;
  border: 1px dashed var(--border);
  padding: 12px;
  background: rgba(0, 255, 0, 0.05);
}

.hanzi {
  font-family: serif;
  font-size: 48px;
  color: var(--accent);
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.6);
  font-weight: bold;
}

.readings {
  display: flex;
  flex-direction: column;
}

.reading-line {
  color: var(--text-muted);
  font-size: 14px;
  margin: 2px 0;
}

.definition {
  margin-top: 12px;
}

.definition ul {
  list-style: none;
  padding: 0;
  margin: 8px 0;
}

.definition ul li {
  padding: 4px 0 4px 20px;
  border-left: 2px solid var(--text-muted);
  margin: 4px 0;
  font-size: 14px;
  color: var(--text);
}

.definition ul li:before {
  content: "► ";
  color: var(--accent);
  margin-right: 8px;
}

/* ====== FOOTER ====== */
.footer {
  max-width: var(--max-width);
  margin: 20px auto;
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
  border-top: 1px dashed var(--border);
  padding-top: 12px;
  font-style: italic;
}

/* ====== TEXT STYLES ====== */
p {
  line-height: 1.6;
  color: var(--text);
}

a {
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
}

a:hover {
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.6);
}

small {
  color: var(--text-muted);
}

/* ====== RESPONSIVE ====== */
@media (max-width: 900px) {
  .container {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
  }

  .searchbox input {
    width: 160px;
  }

  .topbar-inner {
    flex-wrap: wrap;
  }

  .top-search {
    margin-left: 0;
    flex: 1 1 100%;
    margin-top: 8px;
  }

  .searchbox {
    width: 100%;
  }

  .searchbox input {
    flex: 1;
  }
}

/* ====== ANIMATIONS ====== */
@keyframes glow {
  0%, 100% {
    text-shadow: 0 0 5px rgba(0, 255, 0, 0.3);
  }
  50% {
    text-shadow: 0 0 15px rgba(0, 255, 0, 0.6);
  }
}

.sitename {
  animation: glow 3s ease-in-out infinite;
}

/* ====== 추가 스타일 ====== */
hr {
  border: none;
  border-top: 1px dashed var(--border);
  margin: 12px 0;
}

input, textarea {
  background: #0a0a0a;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 6px 8px;
  font-family: inherit;
}

input:focus, textarea:focus {
  outline: none;
  box-shadow: 0 0 15px rgba(0, 255, 0, 0.4);
  border: 2px solid var(--accent);
}