/* ===== DocumentSage — Synthwave/Neon Design System ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;900&family=JetBrains+Mono:wght@400;500;700&family=Orbitron:wght@400;500;600;700;900&display=swap');

:root {
  --bg:       #0a0612;
  --panel:    #120d1f;
  --panel2:   #1a1230;
  --border:   #2a1548;
  --txt:      #f0e6ff;
  --muted:    #8878a8;
  --pink:     #ff2d78;
  --cyan:     #0cf;
  --purple:   #a855f7;
  --green:    #34d399;
  --amber:    #fbbf24;
  --red:      #f87171;
  --code-bg:  #0d0820;

  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --display: 'Orbitron', var(--sans);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--muted);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(180deg, rgba(168,85,247,0.03) 0%, transparent 40%),
    radial-gradient(ellipse 800px 500px at 20% -20%, rgba(255,45,120,0.06), transparent),
    radial-gradient(ellipse 600px 400px at 80% 10%, rgba(0,204,255,0.05), transparent),
    radial-gradient(ellipse 900px 600px at 50% 100%, rgba(168,85,247,0.04), transparent);
  pointer-events: none;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,45,120,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,45,120,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 30%, transparent 70%);
}

.page { max-width: 1200px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; }

/* ===== TOP BAR ===== */
.app-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 0 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.app-logo {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 700;
  color: var(--txt);
  margin-right: auto;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.app-logo span { color: var(--pink); text-shadow: 0 0 30px rgba(255,45,120,0.5); }

.btn {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 13px;
  padding: 9px 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--txt);
  cursor: pointer;
  transition: all 0.2s;
}
.btn:hover { border-color: var(--purple); background: var(--panel2); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.primary {
  background: linear-gradient(135deg, rgba(255,45,120,0.15), rgba(168,85,247,0.15));
  border-color: rgba(255,45,120,0.3);
  color: var(--pink);
}
.btn.primary:hover {
  background: linear-gradient(135deg, rgba(255,45,120,0.25), rgba(168,85,247,0.25));
  box-shadow: 0 0 20px rgba(255,45,120,0.15);
}
.btn.accent {
  background: linear-gradient(135deg, rgba(0,204,255,0.12), rgba(168,85,247,0.12));
  border-color: rgba(0,204,255,0.25);
  color: var(--cyan);
}
.btn.accent:hover { box-shadow: 0 0 20px rgba(0,204,255,0.15); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--txt); border-color: var(--border); }

.status-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  margin-right: 6px;
  background: var(--muted);
}
.status-dot.logged { background: var(--green); box-shadow: 0 0 8px var(--green); }
#loginStatus { font-size: 12px; color: var(--muted); }

/* ===== CARD GRID ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  padding-bottom: 80px;
}
.card {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: block;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,45,120,0.05), transparent 40%, rgba(0,204,255,0.03));
  opacity: 0;
  transition: opacity 0.3s;
}
.card:hover {
  border-color: rgba(168,85,247,0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(168,85,247,0.1);
}
.card:hover::before { opacity: 1; }
.card:active { transform: translateY(-2px); }

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 10px;
  position: relative;
}
.card-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}
.card-icon.html { background: rgba(255,45,120,0.12); color: var(--pink); }
.card-icon.md { background: rgba(0,204,255,0.12); color: var(--cyan); }

.card-badges { display: flex; gap: 6px; }
.card-badge {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 999px;
}
.card-badge.public { background: rgba(52,211,153,0.1); color: var(--green); border: 1px solid rgba(52,211,153,0.2); }
.card-badge.private { background: rgba(251,191,36,0.1); color: var(--amber); border: 1px solid rgba(251,191,36,0.2); }
.card-badge.html-b { background: rgba(255,45,120,0.1); color: var(--pink); border: 1px solid rgba(255,45,120,0.2); }
.card-badge.md-b { background: rgba(0,204,255,0.1); color: var(--cyan); border: 1px solid rgba(0,204,255,0.2); }

.card-title {
  font-weight: 600;
  font-size: 16px;
  color: var(--txt);
  margin-bottom: 4px;
  line-height: 1.3;
}
.card-path { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-bottom: 14px; }
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  padding-top: 12px;
  border-top: 1px solid var(--border);
  position: relative;
}
.card-del {
  background: none; border: none; color: var(--muted);
  cursor: pointer; font-size: 13px; padding: 2px; line-height: 1;
  transition: color 0.2s;
}
.card-del:hover { color: var(--red); }

/* ===== MODALS ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,6,18,0.85);
  z-index: 100;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease;
}
.modal-overlay.open { display: flex; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn {
  from { transform: translateY(20px) scale(0.97); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  animation: modalIn 0.3s ease;
}
.modal.wide { max-width: 740px; }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-family: var(--display); font-weight: 600; font-size: 18px; color: var(--txt); }
.modal-close {
  width: 32px; height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--muted);
  font-size: 16px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.modal-close:hover { border-color: var(--pink); color: var(--pink); }
.modal-body { padding: 24px; }
.modal-footer {
  display: flex; gap: 10px; justify-content: flex-end;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

/* ===== FORMS ===== */
.field-group { margin-bottom: 18px; }
.field-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.field-group input[type="text"],
.field-group input[type="password"] {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--code-bg);
  color: var(--txt);
  font-family: var(--mono);
  font-size: 14px;
  transition: border-color 0.2s;
}
.field-group input:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(168,85,247,0.15);
}

.file-upload-zone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.file-upload-zone:hover { border-color: var(--purple); background: rgba(168,85,247,0.05); }
.file-upload-zone .icon { font-size: 32px; margin-bottom: 8px; }
.file-upload-zone .text { font-size: 13px; color: var(--muted); }
.file-upload-zone .text span { color: var(--purple); font-weight: 600; }

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--panel2);
  border-radius: 10px;
  border: 1px solid var(--border);
}
.toggle-row .label-text { font-size: 14px; color: var(--txt); font-weight: 500; }
.toggle-row .hint { font-size: 12px; color: var(--muted); display: block; margin-top: 2px; }
.toggle-switch { position: relative; width: 48px; height: 26px; flex-shrink: 0; }
.toggle-switch input { display: none; }
.toggle-slider {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--border);
  cursor: pointer;
  transition: background 0.3s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--muted);
  transition: all 0.3s;
}
.toggle-switch input:checked + .toggle-slider { background: rgba(168,85,247,0.4); }
.toggle-switch input:checked + .toggle-slider::before {
  background: var(--purple);
  transform: translateX(22px);
  box-shadow: 0 0 10px var(--purple);
}

.file-chosen {
  display: none;
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan);
}
.file-chosen.show { display: block; }
.field-hint { font-size: 11px; color: var(--muted); margin-top: 6px; }

/* ===== DOCS ===== */
.docs-section { margin-bottom: 28px; }
.docs-section h4 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 16px;
  color: var(--txt);
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--pink);
}
.docs-desc { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.docs-desc code, .field-hint code {
  font-family: var(--mono); font-size: 12px; color: var(--cyan);
  background: var(--code-bg); padding: 1px 5px; border-radius: 4px; border: 1px solid var(--border);
}
.docs-table { width: 100%; border-collapse: collapse; margin: 10px 0 16px; font-size: 13px; }
.docs-table th {
  text-align: left; font-family: var(--mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted);
  padding: 8px 10px; border-bottom: 1px solid var(--border); background: var(--panel2);
}
.docs-table td { padding: 8px 10px; color: var(--muted); border-bottom: 1px solid rgba(42,21,72,0.3); }
.docs-table td:first-child { font-family: var(--mono); color: var(--txt); }
.docs-code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--txt);
  line-height: 1.7;
  overflow-x: auto;
  margin-bottom: 12px;
  white-space: pre-wrap;
  word-break: break-word;
}
.docs-code .c { color: #6e7681; }
.docs-code .k { color: var(--pink); }
.docs-code .s { color: var(--cyan); }

/* ===== EMPTY / LOADING STATE ===== */
.empty-state { text-align: center; padding: 60px 20px; grid-column: 1 / -1; }
.empty-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
.empty-state h3 { font-family: var(--display); font-weight: 600; font-size: 20px; color: var(--txt); margin-bottom: 8px; }
.empty-state p { font-size: 14px; color: var(--muted); max-width: 360px; margin: 0 auto; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(120px);
  background: var(--panel);
  border: 1px solid var(--green);
  border-radius: 12px;
  padding: 12px 24px;
  font-size: 14px;
  color: var(--green);
  z-index: 200;
  transition: transform 0.4s ease;
  box-shadow: 0 0 20px rgba(52,211,153,0.15);
  max-width: 90%;
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ===== VIEWER (markdown) ===== */
.viewer-container { max-width: 820px; margin: 0 auto; padding-bottom: 80px; }
.viewer-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  margin-bottom: 24px;
  text-decoration: none;
  transition: all 0.2s;
}
.viewer-back:hover { border-color: var(--purple); color: var(--txt); }
.viewer-content {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 40px;
}
.viewer-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

/* Rendered markdown typography */
.md-body { color: var(--txt); font-size: 15.5px; line-height: 1.8; }
.md-body h1, .md-body h2, .md-body h3, .md-body h4 {
  font-family: var(--display); color: var(--txt); line-height: 1.25;
  margin: 28px 0 14px; font-weight: 600;
}
.md-body h1 { font-size: 30px; }
.md-body h2 { font-size: 24px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.md-body h3 { font-size: 19px; }
.md-body h1:first-child, .md-body h2:first-child { margin-top: 0; }
.md-body p { color: var(--muted); margin: 0 0 16px; }
.md-body a { color: var(--cyan); text-decoration: none; }
.md-body a:hover { text-decoration: underline; }
.md-body strong { color: var(--txt); }
.md-body ul, .md-body ol { color: var(--muted); margin: 0 0 16px; padding-left: 24px; }
.md-body li { margin-bottom: 6px; }
.md-body code {
  font-family: var(--mono); font-size: 13px; background: var(--code-bg);
  padding: 2px 6px; border-radius: 4px; color: var(--cyan); border: 1px solid var(--border);
}
.md-body pre {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; overflow-x: auto; margin: 0 0 16px;
}
.md-body pre code { background: none; border: none; padding: 0; color: var(--txt); font-size: 13px; }
.md-body blockquote {
  border-left: 3px solid var(--pink); padding: 4px 0 4px 16px;
  margin: 0 0 16px; color: var(--muted); font-style: italic;
}
.md-body table { width: 100%; border-collapse: collapse; margin: 0 0 16px; }
.md-body th {
  text-align: left; font-family: var(--mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--muted); padding: 10px 14px; border-bottom: 1px solid var(--border);
}
.md-body td { padding: 10px 14px; font-size: 14px; color: var(--txt); border-bottom: 1px solid rgba(42,21,72,0.5); }
.md-body img { max-width: 100%; border-radius: 8px; }
.md-body hr { border: none; border-top: 1px solid var(--border); margin: 24px 0; }

/* ===== FOOTER ===== */
footer.page-foot {
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}

.center-screen {
  min-height: 60vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; gap: 8px;
}
.center-screen .big { font-family: var(--display); font-size: 64px; color: var(--pink); text-shadow: 0 0 40px rgba(255,45,120,0.4); }
.center-screen h2 { font-family: var(--display); color: var(--txt); font-size: 22px; }