@import url('https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,300;0,400;0,500;1,300&family=Sora:wght@300;400;500;600&display=swap');

:root {
  --bg:        #0e0e0e;
  --bg2:       #161616;
  --bg3:       #1e1e1e;
  --bg4:       #272727;
  --border:    #2e2e2e;
  --border2:   #3a3a3a;
  --text:      #d4d0c8;
  --text2:     #888;
  --text3:     #555;
  --cream:     #e8ddb5;
  --cream2:    #d4c88a;
  --cream3:    #c4b56a;
  --creamfade: rgba(232,221,181,0.08);
  --creamfade2:rgba(232,221,181,0.15);
  --red:       #c0675a;
  --green:     #6aaa7a;
  --radius:    8px;
  --radius2:   14px;
  --shadow:    0 4px 24px rgba(0,0,0,0.5);
  --shadow2:   0 2px 8px rgba(0,0,0,0.3);
  --mono:      'DM Mono', monospace;
  --sans:      'Sora', sans-serif;
  --transition: 0.18s ease;
}

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

html { font-size: 15px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  min-height: 100vh;
  letter-spacing: 0.01em;
  text-transform: lowercase;
}

a { color: var(--cream); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--cream2); }

input, textarea, select {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 300;
  border-radius: var(--radius);
  padding: 0.6rem 0.8rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--cream3);
  box-shadow: 0 0 0 2px rgba(232,221,181,0.12);
}

input::placeholder, textarea::placeholder { color: var(--text3); }

button {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 400;
  cursor: pointer;
  border: none;
  border-radius: var(--radius);
  padding: 0.55rem 1.1rem;
  transition: all var(--transition);
  text-transform: lowercase;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--cream);
  color: #0e0e0e;
  font-weight: 500;
}
.btn-primary:hover { background: var(--cream2); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--border2); color: var(--text); background: var(--bg3); }

.btn-danger { background: transparent; color: var(--red); border: 1px solid var(--red); }
.btn-danger:hover { background: var(--red); color: #fff; }

.btn-icon {
  background: transparent;
  color: var(--text2);
  padding: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  border-radius: var(--radius);
}
.btn-icon:hover { color: var(--text); background: var(--bg3); }
.btn-icon.active { color: var(--cream); }

/* ── layout ── */

#app { display: flex; flex-direction: column; min-height: 100vh; }

/* ── nav ── */

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  height: 52px;
  background: rgba(14,14,14,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--cream);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-right: 0.5rem;
  user-select: none;
  cursor: pointer;
}

.nav-tabs {
  display: flex;
  gap: 0.2rem;
  flex: 1;
}

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text2);
  font-size: 0.82rem;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: lowercase;
}
.nav-tab:hover { color: var(--text); background: var(--bg3); }
.nav-tab.active { color: var(--cream); background: var(--creamfade); }

.nav-right { display: flex; align-items: center; gap: 0.5rem; margin-left: auto; }

/* ── modal ── */

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 2rem;
  width: min(420px, 92vw);
  box-shadow: var(--shadow);
  transform: translateY(8px);
  transition: transform 0.2s;
}
.modal-overlay.open .modal { transform: translateY(0); }

.modal h2 {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--cream);
  margin-bottom: 1.4rem;
  font-weight: 500;
}

.field { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 1rem; }
.field label { font-size: 0.78rem; color: var(--text2); }

.modal-actions { display: flex; gap: 0.5rem; justify-content: flex-end; margin-top: 1.4rem; }

.error-msg { color: var(--red); font-size: 0.8rem; margin-top: 0.5rem; display: none; }
.error-msg.show { display: block; }

/* ── pages ── */

.page { display: none; flex: 1; }
.page.active { display: flex; flex-direction: column; }

/* ── landing / browse ── */

.browse-header {
  padding: 2.5rem 1.5rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.browse-header h1 {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--cream);
  margin-bottom: 0.3rem;
}

.browse-header p { color: var(--text2); font-size: 0.88rem; }

.browse-controls {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.2rem;
  flex-wrap: wrap;
}

.search-wrap {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.search-wrap svg {
  position: absolute;
  left: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  pointer-events: none;
}

.search-wrap input { padding-left: 2.2rem; }

.sort-tabs {
  display: flex;
  gap: 0.2rem;
  background: var(--bg3);
  padding: 0.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.sort-tab {
  background: transparent;
  border: none;
  color: var(--text2);
  font-size: 0.78rem;
  padding: 0.3rem 0.7rem;
  border-radius: 5px;
  cursor: pointer;
  transition: all var(--transition);
}
.sort-tab.active { background: var(--creamfade); color: var(--cream); }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1rem;
  padding: 0 1.5rem 2rem;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.roadmap-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 1.2rem;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.roadmap-card:hover {
  border-color: var(--border2);
  transform: translateY(-2px);
  box-shadow: var(--shadow2);
}

.card-owner {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--cream3);
}

.card-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.3;
}

.card-desc {
  font-size: 0.8rem;
  color: var(--text2);
  line-height: 1.5;
  flex: 1;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; }

.tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  background: var(--creamfade);
  color: var(--cream3);
  border: 1px solid rgba(232,221,181,0.15);
  border-radius: 4px;
  padding: 0.15rem 0.45rem;
}

.card-meta {
  display: flex;
  gap: 0.8rem;
  font-size: 0.75rem;
  color: var(--text3);
  margin-top: 0.2rem;
}

.card-meta span { display: flex; align-items: center; gap: 0.25rem; }

.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text3);
  font-size: 0.88rem;
  grid-column: 1/-1;
}

.pagination {
  display: flex;
  gap: 0.4rem;
  justify-content: center;
  padding: 1rem 0 2rem;
}

/* ── dashboard ── */

.dashboard-wrap {
  padding: 2rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.dash-header h2 {
  font-family: var(--mono);
  font-weight: 400;
  color: var(--cream);
  font-size: 1.1rem;
}

.my-roadmaps { display: flex; flex-direction: column; gap: 0.6rem; }

.my-roadmap-item {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: all var(--transition);
}
.my-roadmap-item:hover { border-color: var(--border2); background: var(--bg3); }

.mri-info { flex: 1; min-width: 0; }

.mri-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mri-meta {
  font-size: 0.75rem;
  color: var(--text3);
  margin-top: 0.2rem;
  display: flex;
  gap: 0.7rem;
  align-items: center;
}

.badge {
  font-family: var(--mono);
  font-size: 0.65rem;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
}
.badge-public { background: rgba(106,170,122,0.15); color: var(--green); border: 1px solid rgba(106,170,122,0.25); }
.badge-private { background: var(--bg4); color: var(--text3); border: 1px solid var(--border); }
.badge-fork { background: var(--creamfade); color: var(--cream3); border: 1px solid rgba(232,221,181,0.15); }

.mri-actions { display: flex; gap: 0.3rem; }

/* ── editor ── */

.editor-wrap { display: flex; flex-direction: column; flex: 1; }

.editor-topbar {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 1.2rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.editor-title-input {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 500;
  background: transparent;
  border: none;
  color: var(--cream);
  width: auto;
  min-width: 80px;
  max-width: 300px;
  padding: 0.2rem 0.4rem;
  border-bottom: 1px solid transparent;
  border-radius: 0;
}
.editor-title-input:focus { border-bottom-color: var(--cream3); box-shadow: none; }

.editor-actions { display: flex; gap: 0.4rem; margin-left: auto; }

.canvas-area {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--bg);
  background-image:
    radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 28px 28px;
}

.canvas-svg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 1;
}

.canvas-nodes {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 2;
}

.r-node {
  position: absolute;
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius2);
  padding: 0.8rem 1rem;
  min-width: 130px;
  max-width: 240px;
  cursor: grab;
  user-select: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-shadow: var(--shadow2);
}
.r-node:active { cursor: grabbing; }
.r-node.selected { border-color: var(--cream); box-shadow: 0 0 0 2px rgba(232,221,181,0.2); }
.r-node.hovered { border-color: var(--border2); }

.r-node.type-milestone {
  border-color: var(--cream3);
  background: rgba(232,221,181,0.05);
}
.r-node.type-section {
  border-style: dashed;
  background: rgba(255,255,255,0.02);
  font-style: italic;
}
.r-node.type-warning {
  border-color: #c09060;
  background: rgba(192,144,96,0.06);
}
.r-node.type-done {
  border-color: var(--green);
  background: rgba(106,170,122,0.06);
  opacity: 0.8;
}

.node-type-icon { font-size: 0.75rem; margin-bottom: 0.3rem; color: var(--text3); }
.node-label { font-size: 0.85rem; font-weight: 400; color: var(--text); line-height: 1.35; }
.node-desc { font-size: 0.73rem; color: var(--text2); margin-top: 0.25rem; line-height: 1.4; }
.node-date { font-family: var(--mono); font-size: 0.65rem; color: var(--text3); margin-top: 0.3rem; }

.node-connect-dot {
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--cream);
  border: 2px solid var(--bg);
  opacity: 0;
  transition: opacity 0.15s;
  cursor: crosshair;
  z-index: 3;
}
.r-node:hover .node-connect-dot { opacity: 1; }
.node-connect-dot.top    { top: -5px; left: 50%; transform: translateX(-50%); }
.node-connect-dot.bottom { bottom: -5px; left: 50%; transform: translateX(-50%); }
.node-connect-dot.left   { left: -5px; top: 50%; transform: translateY(-50%); }
.node-connect-dot.right  { right: -5px; top: 50%; transform: translateY(-50%); }

.delete-node-btn {
  position: absolute;
  top: -8px; right: -8px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--bg4);
  color: var(--text3);
  border: 1px solid var(--border);
  font-size: 0.7rem;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s;
  padding: 0;
  line-height: 1;
}
.r-node:hover .delete-node-btn,
.r-node.selected .delete-node-btn { opacity: 1; }
.delete-node-btn:hover { background: var(--red); color: #fff; border-color: var(--red); }

/* ── toolbar ── */

.editor-toolbar {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 0.4rem;
  box-shadow: var(--shadow2);
}

.tool-btn {
  background: transparent;
  border: none;
  color: var(--text2);
  font-size: 0.75rem;
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  min-width: 54px;
  transition: all var(--transition);
  text-transform: lowercase;
}
.tool-btn:hover { color: var(--text); background: var(--bg3); }
.tool-btn.active { color: var(--cream); background: var(--creamfade); }
.tool-btn svg { flex-shrink: 0; }

.tool-sep {
  height: 1px;
  background: var(--border);
  margin: 0.1rem 0;
}

/* node panel */

.node-panel {
  position: absolute;
  right: 1rem;
  top: 1rem;
  bottom: 1rem;
  width: 240px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 1rem;
  z-index: 10;
  overflow-y: auto;
  display: none;
  flex-direction: column;
  gap: 0.8rem;
  box-shadow: var(--shadow2);
}
.node-panel.open { display: flex; }

.node-panel h4 {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--cream);
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.node-panel .field { margin-bottom: 0; }

/* ── roadmap view (public) ── */

.roadmap-view-wrap {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  padding: 2rem 1.5rem;
}

.rv-header { margin-bottom: 1.5rem; }

.rv-title {
  font-family: var(--mono);
  font-size: 1.4rem;
  color: var(--cream);
  font-weight: 400;
  margin-bottom: 0.4rem;
}

.rv-meta { font-size: 0.8rem; color: var(--text2); display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }

.rv-actions { display: flex; gap: 0.5rem; margin-top: 1rem; flex-wrap: wrap; }

.like-btn { display: flex; align-items: center; gap: 0.35rem; }
.like-btn svg { transition: transform 0.15s; }
.like-btn.liked { color: var(--cream); }
.like-btn.liked svg { transform: scale(1.2); }

.rv-canvas {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  position: relative;
  height: 460px;
  overflow: hidden;
  margin-bottom: 1.5rem;
  background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 28px 28px;
}

/* ── comments ── */

.comments-section { margin-top: 1.5rem; }

.comments-section h3 {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--cream);
  font-weight: 400;
  margin-bottom: 1rem;
}

.comment-form { display: flex; gap: 0.5rem; margin-bottom: 1.2rem; }
.comment-form textarea { resize: vertical; min-height: 60px; }

.comment-list { display: flex; flex-direction: column; gap: 0.7rem; }

.comment-item {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
}

.comment-header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.4rem; }
.comment-user { font-family: var(--mono); font-size: 0.75rem; color: var(--cream3); }
.comment-time { font-size: 0.7rem; color: var(--text3); }
.comment-text { font-size: 0.83rem; color: var(--text); line-height: 1.5; }
.comment-del { margin-left: auto; }

/* ── analytics ── */

.analytics-wrap {
  padding: 2rem 1.5rem;
  max-width: 700px;
  margin: 0 auto;
  width: 100%;
}

.analytics-wrap h2 {
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--cream);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.8rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 1.2rem;
}

.stat-label { font-size: 0.72rem; color: var(--text2); margin-bottom: 0.4rem; }

.stat-value {
  font-family: var(--mono);
  font-size: 1.8rem;
  color: var(--cream);
  font-weight: 500;
  line-height: 1;
}

/* ── trending page ── */

.trending-wrap {
  padding: 2rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.trending-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.trending-header h2 {
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--cream);
  font-weight: 400;
}

.trending-header span { font-size: 0.78rem; color: var(--text3); }

.trending-list { display: flex; flex-direction: column; gap: 0.5rem; }

.trending-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 0.9rem 1.2rem;
  cursor: pointer;
  transition: all var(--transition);
}
.trending-item:hover { border-color: var(--border2); background: var(--bg3); }

.trending-rank {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text3);
  width: 24px;
  flex-shrink: 0;
  text-align: center;
}
.trending-rank.top3 { color: var(--cream3); font-weight: 500; }

.trending-info { flex: 1; min-width: 0; }
.trending-title { font-size: 0.9rem; font-weight: 500; color: var(--text); }
.trending-by { font-size: 0.73rem; color: var(--text3); margin-top: 0.15rem; }

.trending-stats { display: flex; gap: 0.8rem; font-size: 0.75rem; color: var(--text3); flex-shrink: 0; }
.trending-stats span { display: flex; align-items: center; gap: 0.2rem; }

/* ── collab panel ── */

.collabs-list { display: flex; flex-direction: column; gap: 0.4rem; margin-top: 0.6rem; }
.collab-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.82rem; }
.collab-item span { flex: 1; color: var(--text2); font-family: var(--mono); font-size: 0.75rem; }

/* ── toast ── */

#toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  font-size: 0.82rem;
  box-shadow: var(--shadow);
  opacity: 0;
  transition: all 0.25s;
  z-index: 9999;
  pointer-events: none;
  white-space: nowrap;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.success { border-color: var(--green); color: var(--green); }
#toast.error { border-color: var(--red); color: var(--red); }

/* ── scrollbar ── */

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ── responsive ── */

@media (max-width: 600px) {
  .cards-grid { grid-template-columns: 1fr; }
  .editor-toolbar { left: 0.5rem; top: 0.5rem; }
  .node-panel { display: none !important; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}