/* Bütçe Takip — yasal sayfalar için sade okunabilir stil */
:root {
  --bg: #FAFAFA;
  --surface: #FFFFFF;
  --text: #1F1F1F;
  --text-secondary: #5F6368;
  --border: #E0E0E0;
  --primary: #1976D2;
  --primary-light: #E3F2FD;
  --accent: #F57C00;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --surface: #1E1E1E;
    --text: #E5E5E5;
    --text-secondary: #B0B0B0;
    --border: #2E2E2E;
    --primary: #82B1FF;
    --primary-light: #1A237E;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  font-size: 16px;
}

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px 28px;
  max-width: 760px;
  margin: 0 auto;
}

header nav a {
  display: inline-block;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  margin-bottom: 16px;
  font-size: 14px;
}

header nav a:hover { text-decoration: underline; }

header h1 {
  margin: 0 0 6px;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

header .meta {
  color: var(--text-secondary);
  margin: 0;
  font-size: 14px;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px;
}

section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 16px;
}

section h2 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

section h3 {
  margin: 18px 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

section p { margin: 8px 0; }
section ul, section ol { padding-left: 24px; margin: 8px 0; }
section li { margin: 4px 0; }

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

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 15px;
}
th, td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
th {
  background: var(--primary-light);
  color: var(--text);
  font-weight: 600;
}

strong { font-weight: 600; }

footer {
  text-align: center;
  padding: 32px 16px 48px;
  color: var(--text-secondary);
  font-size: 14px;
}

footer a {
  color: var(--text-secondary);
  margin: 0 4px;
}
footer a:hover { color: var(--primary); }

/* Index landing */
.landing {
  text-align: center;
  padding: 60px 24px 24px;
  max-width: 600px;
  margin: 0 auto;
}
.landing .logo {
  font-size: 56px;
  margin-bottom: 16px;
}
.landing h1 {
  font-size: 36px;
  font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: -0.5px;
}
.landing .tagline {
  color: var(--text-secondary);
  font-size: 18px;
  margin: 0 0 32px;
}
.landing .cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  text-align: left;
}
@media (min-width: 600px) {
  .landing .cards { grid-template-columns: 1fr 1fr; }
}
.landing .card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.15s, border-color 0.15s;
}
.landing .card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  text-decoration: none;
}
.landing .card-icon { font-size: 28px; margin-bottom: 8px; }
.landing .card h2 { margin: 0 0 4px; font-size: 18px; font-weight: 600; border: none; padding: 0; }
.landing .card p { margin: 0; color: var(--text-secondary); font-size: 14px; }