:root {
  --bg: #0b1220;
  --surface: #111a2e;
  --surface-2: #17233b;
  --border: #24324f;
  --text: #e8eefc;
  --muted: #9fb0d0;
  --accent: #5b8cff;
  --accent-2: #7c5cff;
  --good: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, Segoe UI, system-ui, sans-serif;
  background: radial-gradient(circle at top, #15213a 0%, var(--bg) 45%);
  color: var(--text);
}

code {
  background: rgba(255,255,255,0.06);
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(11, 18, 32, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.topbar-title {
  flex: 1;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.topbar-title span { color: var(--muted); font-size: 0.8rem; }

.icon-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  font-size: 1.1rem;
  cursor: pointer;
  flex-shrink: 0;
}

.btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  padding: 0.55rem 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-sm { padding: 0.45rem 0.7rem; font-size: 0.8rem; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #4f7cff);
  border-color: transparent;
  color: white;
}
.btn-accent {
  background: linear-gradient(135deg, #a855f7, var(--accent-2));
  border-color: transparent;
  color: white;
}
.btn-danger {
  background: rgba(248, 113, 113, 0.15);
  border-color: rgba(248, 113, 113, 0.4);
  color: #fecaca;
}
.btn:disabled { opacity: 0.6; cursor: wait; }

.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 360px 1fr;
  min-height: 0;
}

.sidebar {
  border-right: 1px solid var(--border);
  background: rgba(17, 26, 46, 0.75);
  min-height: 0;
  overflow: hidden;
}

.sidebar-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.filters {
  padding: 1rem;
  display: grid;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.field { display: grid; gap: 0.35rem; font-size: 0.8rem; color: var(--muted); }
.input, .select, .textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-family: inherit;
}
.textarea { resize: vertical; min-height: 60px; }
.textarea.code { font-family: ui-monospace, Consolas, monospace; font-size: 0.82rem; }
.hint { color: var(--muted); font-size: 0.75rem; }
.muted { color: var(--muted); }
.muted-badge { opacity: 0.7; }

.idea-list {
  overflow: auto;
  padding: 0.5rem;
  flex: 1;
}

.idea-card {
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  border-radius: 12px;
  padding: 0.8rem 0.85rem;
  margin-bottom: 0.35rem;
  cursor: pointer;
}
.idea-card:hover { background: rgba(255,255,255,0.03); }
.idea-card.active {
  background: linear-gradient(135deg, rgba(91,140,255,0.18), rgba(124,92,255,0.12));
  border-color: rgba(91,140,255,0.35);
}

.idea-card-top {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: start;
}
.idea-no {
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
}
.idea-title {
  font-weight: 600;
  line-height: 1.35;
  margin: 0.25rem 0 0.45rem;
}
.idea-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.72rem;
}
.badge {
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.badge.score { color: #dbeafe; border-color: rgba(91,140,255,0.35); }
.badge.yuksek { color: #bbf7d0; border-color: rgba(52,211,153,0.35); }
.badge.orta { color: #fde68a; border-color: rgba(251,191,36,0.35); }
.badge.dusuk { color: #fecaca; border-color: rgba(248,113,113,0.35); }

.detail-panel {
  min-height: 0;
  overflow: auto;
  padding: 1rem 1.25rem 2rem;
}

.empty-state {
  max-width: 680px;
  margin: 4rem auto;
  text-align: center;
  color: var(--muted);
}
.empty-state h2 { color: var(--text); }
.empty-icon { font-size: 2.5rem; margin-bottom: 0.5rem; }
.loading-text { color: var(--muted); }

.detail-actions {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.modal {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 0;
  width: min(96vw, 640px);
  max-height: 90vh;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}
.modal::backdrop { background: rgba(0,0,0,0.55); }
.modal-body {
  padding: 1.25rem;
  max-height: 90vh;
  overflow: auto;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.modal-header h2 { margin: 0; font-size: 1.2rem; }
.modal-hint { color: var(--muted); font-size: 0.9rem; margin: 0 0 1rem; }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.settings-actions { margin: 0.75rem 0; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.field-span-2 { grid-column: 1 / -1; }

@media (max-width: 600px) {
  .form-grid { grid-template-columns: 1fr; }
  .field-span-2 { grid-column: auto; }
  #addBtn, #aiBtn { display: none; }
  .topbar .btn-sm { padding: 0.4rem 0.55rem; }
}

.detail-content.hidden, .overlay.hidden { display: none; }

.detail-header {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.detail-header h1 {
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  line-height: 1.2;
}
.score-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.6rem;
}
.score-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
}
.score-box .label { color: var(--muted); font-size: 0.75rem; }
.score-box .value { font-weight: 700; margin-top: 0.15rem; }

.markdown-body {
  max-width: 900px;
  line-height: 1.65;
}
.markdown-body h2, .markdown-body h3 { margin-top: 1.5rem; }
.markdown-body p, .markdown-body li { color: #d9e4fb; }
.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}
.markdown-body th, .markdown-body td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.6rem;
  text-align: left;
}
.markdown-body blockquote {
  margin: 0.75rem 0;
  padding: 0.5rem 0.9rem;
  border-left: 3px solid var(--accent);
  background: rgba(91,140,255,0.08);
  color: var(--muted);
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 15;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    top: 57px;
    left: 0;
    bottom: 0;
    width: min(92vw, 360px);
    z-index: 30;
    transform: translateX(-105%);
    transition: transform 0.2s ease;
    box-shadow: var(--shadow);
  }
  .sidebar.open { transform: translateX(0); }
  .overlay:not(.hidden) { display: block; }
  #menuBtn { display: inline-flex; align-items: center; justify-content: center; }
  .detail-panel { padding: 0.85rem 0.9rem 1.5rem; }
}

@media (min-width: 901px) {
  #menuBtn { display: none; }
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.login-card {
  width: min(100%, 400px);
  background: rgba(17, 26, 46, 0.92);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.login-brand h1 {
  margin: 0;
  font-size: 1.6rem;
}
.login-brand p {
  margin: 0.35rem 0 1.25rem;
  color: var(--muted);
}

.login-form { display: grid; gap: 0.85rem; }
.login-btn {
  margin-top: 0.25rem;
  width: 100%;
  border: none;
  border-radius: 12px;
  padding: 0.85rem 1rem;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  cursor: pointer;
}
.login-btn:disabled { opacity: 0.7; cursor: wait; }
.login-error {
  margin: 0;
  color: #fecaca;
  font-size: 0.9rem;
}
.login-error.hidden { display: none; }