/* ============================================
   MyTools — Global Stylesheet
   ============================================ */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --bg-card: #ffffff;
  --border: #e4e7ee;
  --text: #14161d;
  --text-soft: #5b6070;
  --text-mute: #878da0;
  --primary: #5B4BE8;
  --primary-hover: #4a3bd4;
  --primary-soft: #eeecfd;
  --success: #0f9d58;
  --danger: #d93025;
  --shadow: 0 1px 2px rgba(20,22,29,.05), 0 4px 16px rgba(20,22,29,.06);
  --shadow-lg: 0 4px 12px rgba(20,22,29,.08), 0 16px 40px rgba(20,22,29,.10);
  --radius: 14px;
  --radius-sm: 9px;
  --maxw: 1120px;
}

[data-theme="dark"] {
  --bg: #0f1117;
  --bg-soft: #161923;
  --bg-card: #171a24;
  --border: #272b39;
  --text: #eef0f6;
  --text-soft: #a8aec1;
  --text-mute: #7a8098;
  --primary: #8B7DFF;
  --primary-hover: #9d92ff;
  --primary-soft: #1e1d3a;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
  --shadow-lg: 0 4px 12px rgba(0,0,0,.35), 0 16px 40px rgba(0,0,0,.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  transition: background .2s ease, color .2s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

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

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 1.16rem; color: var(--text); letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, var(--primary), #8f7bff);
  display: grid; place-items: center; color: #fff; font-size: 17px; font-weight: 700;
}

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--text-soft); font-size: .935rem; font-weight: 500;
  padding: 8px 13px; border-radius: 8px; transition: .16s;
}
.nav-links a:hover { color: var(--text); background: var(--bg-soft); text-decoration: none; }
.nav-links a.active { color: var(--primary); background: var(--primary-soft); }

.nav-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text-soft); cursor: pointer;
  display: grid; place-items: center; transition: .16s; font-size: 17px; line-height: 1;
}
.icon-btn:hover { color: var(--text); border-color: var(--text-mute); }
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-toggle { display: grid; }
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 10px 20px 18px; box-shadow: var(--shadow);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 11px 13px; }
}

/* ---------- Hero ---------- */
.hero { padding: 62px 0 40px; text-align: center; }
.hero h1 {
  font-size: clamp(2rem, 5.2vw, 3.05rem); font-weight: 780;
  letter-spacing: -.035em; line-height: 1.13; margin-bottom: 16px;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--primary), #b07bff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { font-size: 1.09rem; color: var(--text-soft); max-width: 620px; margin: 0 auto; }

.trust-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 26px; }
.trust-pill {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--bg-soft); border: 1px solid var(--border);
  padding: 7px 14px; border-radius: 999px; font-size: .855rem;
  color: var(--text-soft); font-weight: 500;
}

/* ---------- Section ---------- */
.section { padding: 40px 0; }
.section-head { margin-bottom: 26px; }
.section-head h2 { font-size: 1.62rem; font-weight: 720; letter-spacing: -.025em; }
.section-head p { color: var(--text-soft); margin-top: 5px; }

/* ---------- Tool grid ---------- */
.tool-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
}
.tool-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; transition: .2s;
  display: block; color: inherit; position: relative; overflow: hidden;
}
.tool-card:hover {
  text-decoration: none; transform: translateY(-3px);
  box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--primary) 42%, var(--border));
}
.tool-ico {
  width: 46px; height: 46px; border-radius: 11px; background: var(--primary-soft);
  display: grid; place-items: center; font-size: 23px; margin-bottom: 14px;
}
.tool-card h3 { font-size: 1.06rem; font-weight: 660; margin-bottom: 6px; letter-spacing: -.01em; }
.tool-card p { font-size: .9rem; color: var(--text-soft); line-height: 1.55; }
.tool-tag {
  position: absolute; top: 18px; right: 18px; font-size: .7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .05em; color: var(--primary);
  background: var(--primary-soft); padding: 3px 9px; border-radius: 6px;
}

/* ---------- Ad slot ---------- */
.ad-slot {
  margin: 34px 0; min-height: 96px; border: 1px dashed var(--border);
  border-radius: var(--radius-sm); background: var(--bg-soft);
  display: grid; place-items: center; color: var(--text-mute);
  font-size: .8rem; letter-spacing: .06em; text-transform: uppercase;
}

/* ---------- Tool page ---------- */
.tool-page { padding: 34px 0 20px; flex: 1; }
.crumb { font-size: .875rem; color: var(--text-mute); margin-bottom: 16px; }
.crumb a { color: var(--text-soft); }
.tool-head { margin-bottom: 24px; }
.tool-head h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 740; letter-spacing: -.03em; margin-bottom: 8px; }
.tool-head p { color: var(--text-soft); max-width: 660px; }

.panel {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}
.panel + .panel { margin-top: 18px; }
.panel h2 { font-size: 1.1rem; font-weight: 660; margin-bottom: 14px; }

/* ---------- Form controls ---------- */
label.fld { display: block; font-size: .875rem; font-weight: 600; color: var(--text-soft); margin-bottom: 7px; }

input[type="text"], input[type="number"], input[type="email"], textarea, select {
  width: 100%; padding: 11px 13px; font-size: .95rem; font-family: inherit;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  transition: .16s; outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}
textarea { resize: vertical; min-height: 190px; line-height: 1.65; }

input[type="range"] { width: 100%; accent-color: var(--primary); height: 24px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; font-size: .93rem; font-weight: 600; font-family: inherit;
  border-radius: var(--radius-sm); border: 1px solid transparent;
  background: var(--primary); color: #fff; cursor: pointer; transition: .16s;
}
.btn:hover { background: var(--primary-hover); text-decoration: none; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-ghost { background: transparent; color: var(--text-soft); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-soft); color: var(--text); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

.check { display: flex; align-items: center; gap: 9px; font-size: .92rem; cursor: pointer; user-select: none; padding: 4px 0; }
.check input { width: 17px; height: 17px; accent-color: var(--primary); cursor: pointer; flex: none; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- Dropzone ---------- */
.drop {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 44px 22px; text-align: center; cursor: pointer;
  background: var(--bg-soft); transition: .18s;
}
.drop:hover, .drop.over { border-color: var(--primary); background: var(--primary-soft); }
.drop-ico { font-size: 38px; margin-bottom: 10px; }
.drop strong { display: block; font-size: 1.02rem; margin-bottom: 4px; font-weight: 640; }
.drop span { font-size: .875rem; color: var(--text-soft); }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(112px, 1fr)); gap: 12px; }
.stat {
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 15px 12px; text-align: center;
}
.stat b { display: block; font-size: 1.5rem; font-weight: 720; letter-spacing: -.03em; line-height: 1.2; }
.stat span { font-size: .775rem; color: var(--text-mute); text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }

/* ---------- Misc ---------- */
.note {
  background: var(--primary-soft); border: 1px solid color-mix(in srgb, var(--primary) 26%, transparent);
  border-radius: var(--radius-sm); padding: 13px 16px; font-size: .89rem; color: var(--text-soft);
  display: flex; gap: 10px; align-items: flex-start;
}
.hidden { display: none !important; }
.out-box {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 1.02rem; word-break: break-all; background: var(--bg-soft);
  border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 15px;
  min-height: 54px; display: flex; align-items: center;
}
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: var(--text); color: var(--bg); padding: 11px 22px; border-radius: 999px;
  font-size: .9rem; font-weight: 550; opacity: 0; transition: .25s; z-index: 999; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.preview-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 18px; }
@media (max-width: 640px) { .preview-row { grid-template-columns: 1fr; } }
.preview-box { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px; text-align: center; }
.preview-box img { max-width: 100%; max-height: 240px; border-radius: 7px; display: block; margin: 0 auto 10px; }
.preview-box h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-mute); margin-bottom: 10px; font-weight: 650; }
.preview-box .meta { font-size: .87rem; color: var(--text-soft); }

/* ---------- Article / legal ---------- */
.prose { max-width: 780px; }
.prose h2 { font-size: 1.3rem; font-weight: 700; margin: 30px 0 11px; letter-spacing: -.02em; }
.prose h3 { font-size: 1.06rem; font-weight: 650; margin: 22px 0 8px; }
.prose p { margin-bottom: 13px; color: var(--text-soft); }
.prose ul, .prose ol { margin: 0 0 15px 21px; color: var(--text-soft); }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--text); font-weight: 640; }

/* ---------- FAQ ---------- */
.faq details {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 14px 17px; margin-bottom: 10px; background: var(--bg-card);
}
.faq summary { cursor: pointer; font-weight: 600; font-size: .96rem; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--text-mute); font-weight: 400; font-size: 1.2rem; line-height: 1.1; }
.faq details[open] summary::after { content: "\2212"; }
.faq p { margin-top: 11px; color: var(--text-soft); font-size: .93rem; }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: auto; border-top: 1px solid var(--border);
  background: var(--bg-soft); padding: 44px 0 26px;
}
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
@media (max-width: 780px) { .foot-grid { grid-template-columns: 1fr 1fr; gap: 26px; } }
@media (max-width: 460px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-col h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-mute); margin-bottom: 13px; font-weight: 680; }
.foot-col ul { list-style: none; }
.foot-col li { margin-bottom: 8px; }
.foot-col a { color: var(--text-soft); font-size: .915rem; }
.foot-col a:hover { color: var(--primary); }
.foot-about p { font-size: .915rem; color: var(--text-soft); margin-top: 12px; max-width: 320px; }
.foot-bottom {
  border-top: 1px solid var(--border); padding-top: 20px;
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  font-size: .875rem; color: var(--text-mute);
}