/* ===== PDF Araç Kutusu — Tasarım Sistemi ===== */
:root {
  --bg: #0f1220;
  --bg-soft: #161a2e;
  --card: #1b2039;
  --card-hover: #222a4a;
  --border: #2a3157;
  --text: #e8eaf6;
  --text-dim: #a0a6c8;
  --text-mute: #6f76a0;
  --brand: #6c8cff;
  --brand-2: #a66cff;
  --accent: #34d1bf;
  --danger: #ff5f7e;
  --ok: #35d07f;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --radius-sm: 10px;
  --grad: linear-gradient(135deg, var(--brand), var(--brand-2));
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6fc;
    --bg-soft: #ffffff;
    --card: #ffffff;
    --card-hover: #f7f9ff;
    --border: #e4e8f4;
    --text: #1a1f36;
    --text-dim: #4a5178;
    --text-mute: #8891b4;
    --shadow: 0 10px 40px rgba(60, 80, 160, 0.10);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: min(1120px, 92vw); margin: 0 auto; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo:hover { text-decoration: none; }
.logo .mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: var(--grad);
  display: grid; place-items: center;
  color: #fff; font-weight: 900; font-size: 0.9rem;
  box-shadow: 0 4px 14px rgba(108, 140, 255, 0.4);
}
.nav { display: flex; gap: 6px; align-items: center; }
.nav a {
  color: var(--text-dim);
  font-size: 0.92rem;
  padding: 8px 12px;
  border-radius: 8px;
  font-weight: 500;
}
.nav a:hover { color: var(--text); background: var(--card); text-decoration: none; }
.header-right { display: flex; align-items: center; gap: 10px; }
.lang-btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-dim);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 7px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: 0.03em;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.lang-btn:hover { color: var(--text); border-color: color-mix(in srgb, var(--brand) 45%, var(--border)); }

/* ===== Hero ===== */
.hero { padding: 72px 0 40px; text-align: center; }
.hero .badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  color: var(--text-dim);
  font-size: 0.82rem;
  margin-bottom: 22px;
}
.hero .badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 10px var(--ok); }
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
  margin: 0 0 18px;
  letter-spacing: -0.03em;
  font-weight: 800;
}
.hero h1 .grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 auto;
}

/* ===== Tool Grid ===== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
  padding: 30px 0 60px;
}
.tool-card {
  position: relative;
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  overflow: hidden;
}
.tool-card:hover {
  transform: translateY(-4px);
  background: var(--card-hover);
  border-color: color-mix(in srgb, var(--brand) 45%, var(--border));
  box-shadow: var(--shadow);
  text-decoration: none;
}
.tool-card .icon {
  width: 52px; height: 52px;
  border-radius: 13px;
  display: grid; place-items: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
  background: color-mix(in srgb, var(--brand) 16%, transparent);
}
.tool-card h3 { margin: 0 0 6px; font-size: 1.12rem; color: var(--text); letter-spacing: -0.01em; }
.tool-card p { margin: 0; color: var(--text-mute); font-size: 0.92rem; }
.tool-card .arrow {
  position: absolute; top: 24px; right: 22px;
  color: var(--text-mute);
  transition: transform 0.18s ease, color 0.18s ease;
}
.tool-card:hover .arrow { transform: translateX(3px); color: var(--brand); }

/* ===== Feature strip ===== */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  padding: 0 0 70px;
}
.feature {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
}
.feature .fi { font-size: 1.4rem; }
.feature h4 { margin: 0 0 4px; font-size: 0.98rem; }
.feature p { margin: 0; font-size: 0.86rem; color: var(--text-mute); }

/* ===== Tool Page ===== */
.tool-page { padding: 40px 0 80px; flex: 1; }
.breadcrumb { font-size: 0.86rem; color: var(--text-mute); margin-bottom: 18px; }
.breadcrumb a { color: var(--text-dim); }
.tool-head { margin-bottom: 28px; }
.tool-head .icon-lg {
  width: 60px; height: 60px; border-radius: 15px;
  display: grid; place-items: center; font-size: 1.8rem;
  background: color-mix(in srgb, var(--brand) 16%, transparent);
  margin-bottom: 16px;
}
.tool-head h1 { margin: 0 0 8px; font-size: 2rem; letter-spacing: -0.02em; }
.tool-head p { margin: 0; color: var(--text-dim); max-width: 640px; }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 22px;
}

/* Dropzone */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 46px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease;
  background: var(--bg-soft);
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--brand);
  background: color-mix(in srgb, var(--brand) 8%, var(--bg-soft));
}
.dropzone .dz-icon { font-size: 2.6rem; margin-bottom: 12px; opacity: 0.9; }
.dropzone h3 { margin: 0 0 6px; font-size: 1.1rem; }
.dropzone p { margin: 0; color: var(--text-mute); font-size: 0.9rem; }
.dropzone .browse { color: var(--brand); font-weight: 600; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 11px;
  border: 1px solid transparent;
  font-size: 0.96rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.12s ease, opacity 0.15s ease, background 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 6px 20px rgba(108, 140, 255, 0.35); }
.btn-primary:hover:not(:disabled) { opacity: 0.93; }
.btn-ghost { background: var(--card); color: var(--text); border-color: var(--border); }
.btn-ghost:hover:not(:disabled) { background: var(--card-hover); }
.btn-danger { background: color-mix(in srgb, var(--danger) 15%, transparent); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.btn-danger:hover:not(:disabled) { background: color-mix(in srgb, var(--danger) 24%, transparent); }
.btn-sm { padding: 7px 12px; font-size: 0.84rem; border-radius: 8px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-top: 6px; }

/* File list */
.file-list { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.file-item {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.file-item .fi-icon {
  width: 40px; height: 40px; border-radius: 9px; flex-shrink: 0;
  display: grid; place-items: center; font-size: 1.2rem;
  background: color-mix(in srgb, var(--danger) 14%, transparent);
}
.file-item .fi-meta { flex: 1; min-width: 0; }
.file-item .fi-name { font-weight: 600; font-size: 0.94rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-item .fi-sub { font-size: 0.8rem; color: var(--text-mute); }
.file-item .fi-actions { display: flex; gap: 4px; flex-shrink: 0; }
.icon-btn {
  width: 32px; height: 32px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--card); color: var(--text-dim);
  cursor: pointer; display: grid; place-items: center; font-size: 1rem;
  transition: background 0.15s, color 0.15s;
}
.icon-btn:hover { background: var(--card-hover); color: var(--text); }
.icon-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* Page thumbnails grid */
.thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  margin-top: 20px;
}
.thumb {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-soft);
  transition: border-color 0.15s;
}
.thumb.selected { border-color: var(--brand); box-shadow: 0 0 0 2px color-mix(in srgb, var(--brand) 40%, transparent); }
.thumb.removed { opacity: 0.35; }
.thumb canvas, .thumb img { display: block; width: 100%; height: auto; background: #fff; transition: transform 0.2s ease; }
.thumb .th-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 8px; gap: 4px;
  border-top: 1px solid var(--border);
}
.thumb .th-num { font-size: 0.78rem; color: var(--text-mute); font-weight: 600; }
.thumb .th-btns { display: flex; gap: 3px; }

/* Options / form controls */
.field { margin-bottom: 18px; }
.field:last-child { margin-bottom: 0; }
.field label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 7px; color: var(--text-dim); }
.field .hint { font-size: 0.8rem; color: var(--text-mute); font-weight: 400; margin-top: 5px; }
input[type="text"], input[type="number"], select {
  width: 100%;
  padding: 11px 13px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
}
input:focus, select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 22%, transparent); }
.radio-group { display: flex; flex-wrap: wrap; gap: 10px; }
.radio-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 15px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-soft);
  cursor: pointer;
  font-size: 0.9rem;
  transition: border-color 0.15s, background 0.15s;
}
.radio-chip:hover { border-color: color-mix(in srgb, var(--brand) 40%, var(--border)); }
.radio-chip input { accent-color: var(--brand); }
.radio-chip.active { border-color: var(--brand); background: color-mix(in srgb, var(--brand) 10%, var(--bg-soft)); }

/* Alerts / status */
.status { margin-top: 16px; font-size: 0.9rem; display: none; align-items: center; gap: 8px; padding: 12px 14px; border-radius: 10px; }
.status.show { display: flex; }
.status.info { background: color-mix(in srgb, var(--brand) 12%, transparent); color: var(--brand); }
.status.error { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); }
.status.success { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }

/* Progress */
.progress { height: 8px; background: var(--bg-soft); border-radius: 999px; overflow: hidden; margin-top: 14px; display: none; border: 1px solid var(--border); }
.progress.show { display: block; }
.progress .bar { height: 100%; width: 0; background: var(--grad); transition: width 0.25s ease; }

/* Sunucu durum bandı */
.server-banner {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-soft);
  font-size: 0.9rem;
  margin-bottom: 20px;
}
.server-banner .sb-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; margin-top: 5px; background: var(--text-mute); }
.server-banner.online { border-color: color-mix(in srgb, var(--ok) 45%, var(--border)); background: color-mix(in srgb, var(--ok) 8%, var(--bg-soft)); }
.server-banner.online .sb-dot { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.server-banner.offline { border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); background: color-mix(in srgb, var(--danger) 7%, var(--bg-soft)); }
.server-banner.offline .sb-dot { background: var(--danger); }
.server-banner .sb-body { flex: 1; }
.server-banner .sb-title { font-weight: 700; margin-bottom: 2px; }
.server-banner .sb-text { color: var(--text-dim); font-size: 0.85rem; }
.server-banner code { background: color-mix(in srgb, var(--brand) 12%, transparent); padding: 2px 7px; border-radius: 5px; font-size: 0.82rem; }

.notice {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 14px; border-radius: 10px;
  background: color-mix(in srgb, var(--brand) 8%, var(--bg-soft));
  border: 1px solid color-mix(in srgb, var(--brand) 22%, var(--border));
  font-size: 0.85rem; color: var(--text-dim); margin-top: 16px;
}

.hidden { display: none !important; }
.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.35); border-top-color: #fff;
  animation: spin 0.7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 30px 0;
  margin-top: auto;
  color: var(--text-mute);
  font-size: 0.86rem;
}
.site-footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.site-footer .privacy { display: inline-flex; align-items: center; gap: 7px; }

@media (max-width: 640px) {
  .nav { display: none; }
  .site-footer .container { flex-direction: column; text-align: center; }
}

/* ===== SEO içerik bölümü: nasıl yapılır + SSS ===== */
.seo-content { padding: 36px 0 8px; }
.seo-content .container { max-width: 760px; }
.seo-content h2 { font-size: 1.2rem; margin: 22px 0 12px; color: var(--text); }
.seo-content .howto ol { padding-left: 22px; line-height: 1.7; color: var(--text-dim); }
.faq-item { border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; margin-bottom: 8px; background: var(--card); }
.faq-item summary { cursor: pointer; font-weight: 600; color: var(--text); }
.faq-item p { margin: 10px 0 4px; line-height: 1.6; color: var(--text-dim); }
.faq-item a { color: inherit; text-decoration: underline; }