/* ================================================
   Evernote ENEX Converter — Converter UI Stylesheet
   style.css  ·  used by index.html only
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Noto+Sans+HK:wght@300;400;500&family=DM+Mono:wght@400;500&display=swap');

/* ── Design tokens ── */
:root
{
  --bg:              #f5f3ee;
  --surface:         #ffffff;
  --surface2:        #f0ede6;
  --border:          rgba(0,0,0,0.08);
  --border-h:        rgba(0,0,0,0.18);
  --text:            #1a1814;
  --text-sec:        #3d3a33;
  --muted:           #7a7568;
  --dim:             #a8a399;
  --font-display:    'Plus Jakarta Sans', sans-serif;
  --font-body:       'Noto Sans HK', sans-serif;
  --font-mono:       'DM Mono', monospace;

  /* Evernote brand green */
  --ev-green:        #00A82D;
  --ev-green-dim:    #007820;
  --ev-green-bg:     rgba(0,168,45,0.07);
  --ev-green-glow:   rgba(0,168,45,0.18);
  --ev-green-border: rgba(0,168,45,0.22);

  --shadow:          0 2px 12px rgba(0,0,0,0.07), 0 0 0 1px var(--border);
  --shadow-hover:    0 8px 28px rgba(0,0,0,0.13), 0 0 0 1px var(--border-h);
}

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

/* ── Body ── */
body
{
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  background-image: radial-gradient(circle, rgba(0,0,0,0.065) 1px, transparent 1px);
  background-size: 28px 28px;
}

/* ══════════════════════════════════════
   CONVERTER UI
══════════════════════════════════════ */
.ev-converter
{
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 40px 24px 96px;
  gap: 28px;
}

/* ── Converter card ── */
.ev-card
{
  background: var(--surface);
  border-radius: 20px;
  padding: 40px;
  width: 100%;
  max-width: 540px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  box-shadow: var(--shadow);
  opacity: 0;
  animation: fadeUp 0.4s ease forwards;
  animation-delay: 0.08s;
}

.ev-card h2
{
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.ev-card h2 .icon
{
  background: linear-gradient(135deg, var(--ev-green) 0%, var(--ev-green-dim) 100%);
  border-radius: 10px;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.ev-card p
{
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
}

.ev-card p code
{
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--surface2);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--ev-green-dim);
  border: 1px solid var(--border);
}

/* ── Drop zone ── */
.ev-dropzone
{
  border: 2px dashed rgba(0,0,0,0.14);
  border-radius: 14px;
  padding: 36px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: var(--surface2);
}

.ev-dropzone:hover,
.ev-dropzone.drag-over
{
  border-color: var(--ev-green);
  background: var(--ev-green-bg);
}

.ev-dropzone .dz-icon  { font-size: 36px; }

.ev-dropzone .dz-label
{
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.ev-dropzone .dz-sub
{
  font-size: 12px;
  color: var(--dim);
}

.ev-dropzone input[type='file'] { display: none; }

/* ── Status bar ── */
.ev-status
{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  min-height: 20px;
}

.ev-status.ok    { color: var(--ev-green); }
.ev-status.error { color: #c0392b; }

/* ── Preview panel ── */
.ev-preview-panel
{
  width: 100%;
  max-width: 800px;
  display: none;
}

.ev-preview-panel.visible
{
  display: block;
  animation: fadeUp 0.35s ease forwards;
}

.ev-preview-toolbar
{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--ev-green-dim) 0%, var(--ev-green) 100%);
  border-radius: 14px 14px 0 0;
  gap: 12px;
}

.ev-preview-toolbar span
{
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
}

.ev-btn-sm
{
  background: rgba(255,255,255,0.18);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-display);
  cursor: pointer;
  transition: background .2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ev-btn-sm:hover { background: rgba(255,255,255,0.32); }

.ev-preview-pre
{
  margin: 0;
  padding: 24px;
  background: #1a1814;
  color: #c8bfad;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.75;
  border-radius: 0 0 14px 14px;
  overflow: auto;
  max-height: 540px;
  white-space: pre-wrap;
  word-break: break-word;
  box-shadow: var(--shadow);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--ev-green-border); border-radius: 3px; }

/* ── Back nav ── */
.back-nav
{
  padding: 28px 28px 0;
  opacity: 0;
  animation: fadeUp 0.4s ease forwards;
  animation-delay: 0.02s;
}

.back-link
{
  font-family: var(--font-mono);
  font-size: 0.688rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}

.back-link:hover { color: var(--ev-green); }

@keyframes fadeUp
{
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ── */
@media (max-width: 600px)
{
  .ev-converter { padding: 28px 16px 64px; }
  .ev-card      { padding: 28px 20px; }
}