/* ============================================================
   APP.CSS — Torad Workspace Design System
   Same brand DNA as blog. Different expression: workspace, not magazine.
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,600;0,9..144,800;1,9..144,400&family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;0,8..60,600;1,8..60,400&family=IBM+Plex+Mono:wght@300;400;500&display=swap");

/* ── Variables ── */
:root {
  --bg: #08090c;
  --bg-raised: #0e1017;
  --bg-elevated: #131620;
  --bg-surface: #181c28;

  --text: #c4c8d4;
  --text-bright: #e8eaf0;
  --text-dim: rgba(196, 200, 212, 0.5);
  --text-muted: rgba(196, 200, 212, 0.3);

  --gold: #d4a853;
  --gold-dim: #9a7a3d;
  --cyan: #4ecdc4;
  --cyan-dim: rgba(78, 205, 196, 0.15);
  --green: #7bc47f;
  --red: #e85d5d;
  --violet: #9b72cf;
  --violet-dim: rgba(155, 114, 207, 0.08);

  --border: rgba(196, 200, 212, 0.08);
  --border-focus: rgba(212, 168, 83, 0.4);

  --display: "Fraunces", serif;
  --body: "Source Serif 4", serif;
  --mono: "IBM Plex Mono", monospace;

  --sidebar-w: 260px;
  --radius: 6px;
  --radius-lg: 10px;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ── Base ── */
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--text-bright); }

/* ── Typography ── */
h1, h2, h3 { font-family: var(--display); color: var(--text-bright); font-weight: 600; }
h1 { font-size: 1.75rem; line-height: 1.2; }
h2 { font-size: 1.25rem; line-height: 1.3; }
h3 { font-size: 1rem; line-height: 1.4; font-weight: 500; }

code, .mono { font-family: var(--mono); font-size: 0.875em; }

/* ── Centered Views (sign-in, sign-up, username) ── */
.view-center {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.brand {
  text-align: center;
  margin-bottom: 2rem;
}

.brand-mark {
  font-family: var(--display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: -0.02em;
}

.brand-sub {
  margin-top: 0.5rem;
  color: var(--text-dim);
  font-size: 1rem;
}

/* ── Forms ── */
.form-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-card label {
  display: block;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.form-hint {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.input-preview {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  margin-bottom: 1rem;
}

.url-prefix {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.input-preview input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-bright);
  font-family: var(--mono);
  font-size: 0.95rem;
  padding: 0;
}

.form-error {
  color: var(--red);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

/* ── Buttons ── */
.btn-primary {
  width: 100%;
  padding: 0.75rem 1.5rem;
  background: var(--gold);
  color: var(--bg);
  border: none;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
}
.btn-primary:hover { opacity: 0.9; }
.btn-primary:disabled { opacity: 0.5; cursor: default; }

.btn-ghost {
  padding: 0.5rem 1rem;
  background: none;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-ghost:hover { color: var(--text-bright); border-color: var(--border-focus); }

.btn-danger {
  padding: 0.5rem 1rem;
  background: none;
  color: var(--red);
  border: 1px solid rgba(232, 93, 93, 0.2);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.8rem;
  cursor: pointer;
}
.btn-danger:hover { background: rgba(232, 93, 93, 0.08); }

.btn-copy {
  padding: 0.25rem 0.5rem;
  background: var(--bg-elevated);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.75rem;
  cursor: pointer;
  white-space: nowrap;
}
.btn-copy:hover { color: var(--gold); }

/* ── Home Layout ── */
.layout-home {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--bg-raised);
  border-right: 1px solid var(--border);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  overflow-y: auto;
}

.profile-section .username {
  font-size: 1.1rem;
  color: var(--gold);
  margin-bottom: 1rem;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-item {
  display: block;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-dim);
}
.nav-item:hover { color: var(--text-bright); background: var(--bg-elevated); }
.nav-item.active { color: var(--text-bright); background: var(--bg-elevated); }

.eli-section h3 {
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.eli-status {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--green);
  margin-bottom: 0.75rem;
}

.eli-stats { display: flex; flex-direction: column; gap: 0.25rem; }
.stat {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}
.stat-num { color: var(--text-bright); }

.sidebar .btn-ghost { margin-top: auto; }

/* ── Main Content ── */
.content {
  padding: 2rem 3rem;
  max-width: 900px;
}

.content-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

/* ── Pages Grid ── */
.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.page-card {
  display: block;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: border-color 0.15s;
}
.page-card:hover { border-color: var(--border-focus); color: inherit; }

.page-title {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.page-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.visibility-badge {
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.visibility-badge.public { background: rgba(123, 196, 127, 0.12); color: var(--green); }
.visibility-badge.private { background: rgba(196, 200, 212, 0.06); color: var(--text-dim); }

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 2rem;
  background: var(--bg-raised);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
}
.empty-state h3 { margin-bottom: 0.5rem; }
.empty-state p { color: var(--text-dim); max-width: 400px; margin: 0 auto; }

/* ── Panels ── */
.panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 400px;
  height: 100vh;
  background: var(--bg-raised);
  border-left: 1px solid var(--border);
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.panel-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.5rem;
  cursor: pointer;
}

.panel-body { padding: 1.5rem; }

.mcp-field {
  margin-bottom: 1.5rem;
}

.mcp-field label {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
  display: block;
}

.copy-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
}

.copy-field code {
  flex: 1;
  font-size: 0.8rem;
  color: var(--cyan);
  word-break: break-all;
}

.token-display { color: var(--gold); }

/* ── Page View Layout ── */
.layout-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem;
  min-height: 100vh;
}

.page-nav {
  margin-bottom: 2rem;
}

.back-link {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-dim);
}
.back-link:hover { color: var(--gold); }

.page-article {}

.page-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.page-header .author { color: var(--gold-dim); }

.page-body {
  font-size: 1.05rem;
  line-height: 1.75;
}
.page-body h2 { margin: 2rem 0 0.75rem; }
.page-body h3 { margin: 1.5rem 0 0.5rem; }
.page-body p { margin-bottom: 1rem; }
.page-body ul, .page-body ol { margin-bottom: 1rem; padding-left: 1.5rem; }
.page-body blockquote {
  border-left: 3px solid var(--gold-dim);
  padding-left: 1rem;
  margin: 1.5rem 0;
  color: var(--text-dim);
}
.page-body pre {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
}
.page-body code {
  background: var(--bg-raised);
  padding: 0.1em 0.3em;
  border-radius: 3px;
}
.page-body pre code { background: none; padding: 0; }
.page-body img { max-width: 100%; border-radius: var(--radius); margin: 1rem 0; }
.page-body a { color: var(--gold); }

/* ── Page Controls ── */
.page-controls {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.controls-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}
.controls-group h3 {
  width: 100%;
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 0.25rem;
}

.version-entry {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.version-entry time {
  display: block;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

/* ── Public Profile ── */
.layout-public-profile {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 3rem;
}

.profile-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.profile-header h1 { color: var(--gold); }

/* ── CTA ── */
.cta-inline {
  margin-top: 3rem;
  padding: 1.5rem;
  text-align: center;
  background: var(--violet-dim);
  border-radius: var(--radius-lg);
}

/* ── States ── */
.loading {
  text-align: center;
  padding: 2rem;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.85rem;
}

.error { color: var(--red); }
.text-dim { color: var(--text-dim); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .layout-home {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .content { padding: 1.5rem; }

  .panel {
    width: 100%;
  }

  .pages-grid {
    grid-template-columns: 1fr;
  }

  .layout-page { padding: 1rem; }
}