@font-face {
  font-family: "BalooWord";
  src: url("vendor/fonts/baloo2-word.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --ink: #0f2547;
  --muted: #8494ab;
  --bg: #f2f5fa;
  --card: #ffffff;
  --line: #dbe4f0;
  --radius: 18px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}
button { font: inherit; cursor: pointer; }

.app-header {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { width: 44px; height: 44px; border-radius: 11px; }
.wordmark {
  font-family: "BalooWord", -apple-system, sans-serif;
  font-size: 24px; font-weight: 700; line-height: 1; color: var(--ink);
  letter-spacing: 0.2px;
}
.wordmark-ku { color: var(--blue); }
.tagline { font-size: 9.5px; letter-spacing: 0.5px; color: var(--muted); margin-top: 3px; font-weight: 600; line-height: 1.28; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.lang-toggle { display: flex; background: #e8eef7; border-radius: 999px; padding: 2px; }
.lang-btn { border: 0; background: transparent; padding: 4px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; color: var(--muted); }
.lang-btn.lang-active { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(15, 37, 71, 0.18); }

.container { max-width: 560px; margin: 0 auto; padding: 18px 16px 28px; display: flex; flex-direction: column; gap: 12px; }

.tool-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--card); border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; text-decoration: none; color: var(--ink);
  box-shadow: 0 3px 12px rgba(15, 37, 71, 0.05);
}
.tool-card:active { background: #eef4fe; }
.tool-icon { width: 52px; height: 52px; border-radius: 13px; flex: none; }
.tool-text { flex: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.tool-name { font-size: 17px; font-weight: 700; }
.tool-desc { font-size: 13.5px; color: var(--muted); }
.tool-arrow { font-size: 24px; color: var(--muted); flex: none; }

.btn {
  border: 0; border-radius: 14px; padding: 13px 18px;
  font-size: 15.5px; font-weight: 600; text-align: center;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:active { background: var(--blue-dark); }
.action-col { display: flex; flex-direction: column; gap: 9px; margin-top: 20px; }

.dev-footer { margin-top: 18px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.dev-credit { color: var(--blue); font-weight: 600; font-size: 13px; text-decoration: none; }
.about-toggle { background: none; border: 0; padding: 0; font: inherit; font-size: 12px; font-weight: 600; letter-spacing: .02em; color: var(--muted); cursor: pointer; }
.about-p { margin: 0 0 10px; font-size: 13.5px; line-height: 1.65; color: var(--muted); text-align: left; }

.dialog {
  border: 0; border-radius: 20px; padding: 22px;
  width: min(92vw, 340px); margin: auto;
  background: var(--card); color: var(--ink);
}
.dialog::backdrop { background: rgba(10, 22, 40, 0.5); }
.dialog-title { font-size: 17px; font-weight: 700; margin-bottom: 6px; }