/* ── Theme Variables ── */
:root {
  --bg-start: #1e1b4b;
  --bg-mid: #0f172a;
  --bg-end: #1e293b;
  --nav-bg: rgba(30, 41, 59, 0.5);
  --nav-border: #334155;
  --nav-link: #94a3b8;
  --nav-link-hover: #fff;
  --card-bg: rgba(30, 41, 59, 0.6);
  --card-border: #475569;
  --card-hover-border: #64748b;
  --text-primary: #fff;
  --text-heading: #f8fafc;
  --text-body: #cbd5e1;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --input-bg: #0f172a;
  --input-text: #f8fafc;
  --input-border: #475569;
  --result-bg: #334155;
  --result-accent: #60a5fa;
  --textarea-bg: #1e293b;
  --textarea-text: #f1f5f9;
  --toolbar-bg: #334155;
  --kb-gradient-start: #64748b;
  --kb-gradient-end: #475569;
  --kb-border: #64748b;
  --key-bg-start: #ffffff;
  --key-bg-end: #e2e8f0;
  --key-text: #1e293b;
  --key-special-bg: #cbd5e1;
  --key-label: #3b82f6;
  --desc-bg: rgba(30, 41, 59, 0.6);
  --desc-border: #334155;
  --desc-text: #cbd5e1;
  --footer-bg: #0f172a;
  --footer-border: #1e293b;
  --footer-text: #64748b;
  --btn-copy-bg: #4f46e5;
  --btn-clear-bg: #b91c1c;
  --ad-bg: rgba(255, 255, 255, 0.03);
  --ad-border: #475569;
  --ad-text: #64748b;
  --border-subtle: #334155;
  --font-card-header-bg: rgba(51, 65, 85, 0.5);
}

[data-theme="light"] {
  --bg-start: #f0f4ff;
  --bg-mid: #e2e8f0;
  --bg-end: #f1f5f9;
  --nav-bg: rgba(255, 255, 255, 0.75);
  --nav-border: #cbd5e1;
  --nav-link: #64748b;
  --nav-link-hover: #1e293b;
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-border: #cbd5e1;
  --card-hover-border: #94a3b8;
  --text-primary: #1e293b;
  --text-heading: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --input-bg: #ffffff;
  --input-text: #1e293b;
  --input-border: #cbd5e1;
  --result-bg: #e2e8f0;
  --result-accent: #2563eb;
  --textarea-bg: #ffffff;
  --textarea-text: #1e293b;
  --toolbar-bg: #e2e8f0;
  --kb-gradient-start: #cbd5e1;
  --kb-gradient-end: #94a3b8;
  --kb-border: #94a3b8;
  --key-bg-start: #ffffff;
  --key-bg-end: #f1f5f9;
  --key-text: #1e293b;
  --key-special-bg: #e2e8f0;
  --key-label: #2563eb;
  --desc-bg: rgba(255, 255, 255, 0.85);
  --desc-border: #cbd5e1;
  --desc-text: #334155;
  --footer-bg: #e2e8f0;
  --footer-border: #cbd5e1;
  --footer-text: #64748b;
  --btn-copy-bg: #4f46e5;
  --btn-clear-bg: #b91c1c;
  --ad-bg: rgba(0, 0, 0, 0.03);
  --ad-border: #cbd5e1;
  --ad-text: #94a3b8;
  --border-subtle: #cbd5e1;
  --font-card-header-bg: rgba(226, 232, 240, 0.5);
}

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

body {
  background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-mid) 50%, var(--bg-end) 100%);
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
  color-scheme: dark;
}

[data-theme="light"] body {
  color-scheme: light;
}

/* ── Navigation ── */
.nav-menu {
  text-align: center;
  padding: 20px;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-wrap: wrap;
}
.nav-menu a {
  color: var(--nav-link);
  text-decoration: none;
  margin: 0 15px;
  font-weight: 600;
  transition: color 0.2s;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--nav-link-hover); }

.theme-toggle {
  background: none;
  border: 1px solid var(--nav-border);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  cursor: pointer;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, border-color 0.3s;
  margin-left: 8px;
  flex-shrink: 0;
}
.theme-toggle:hover { background: var(--result-bg); border-color: var(--card-border); }

/* ── Layout ── */
.page-wrapper {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  flex: 1;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.main-content {
  flex: 1;
  width: 100%;
  max-width: 820px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header { text-align: center; width: 100%; margin-bottom: 20px; }
h1 { font-size: 1.5rem; font-weight: 700; color: var(--text-heading); margin-bottom: 5px; }

/* ── Ad Banners ── */
.ad-banner {
  width: 160px; min-height: 600px;
  background: var(--ad-bg);
  border: 2px dashed var(--ad-border);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--ad-text); font-size: 0.85rem; flex-shrink: 0;
}

/* ── Calculator Styles ── */
.calc-container {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 16px;
  width: 100%;
  max-width: 580px;
  margin-bottom: 20px;
}
.calc-inputs { display: flex; gap: 14px; margin-bottom: 14px; }
.date-group { flex: 1; }
.date-group label { display: block; margin-bottom: 6px; color: var(--text-muted); font-size: 0.8rem; }
input[type="date"] {
  width: 100%; padding: 10px; border-radius: 8px;
  border: 1px solid var(--input-border); background: var(--input-bg); color: var(--input-text);
  font-family: inherit; font-size: 0.9rem;
  color-scheme: dark;
}
[data-theme="light"] input[type="date"] { color-scheme: light; }
input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(1);
  cursor: pointer;
}
[data-theme="light"] input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0);
}
.checkbox-container { display: block; margin-bottom: 14px; color: var(--text-body); cursor: pointer; font-size: 0.85rem; }
.results-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  padding-top: 14px; border-top: 1px solid var(--border-subtle);
}
.res-item { 
  background: var(--result-bg); padding: 10px 14px; border-radius: 8px; 
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.9rem; color: var(--text-body);
}
.res-item strong { color: var(--result-accent); }

/* ── Fancy Font Generator Styles ── */
.fancy-input-wrap { width: 100%; border: 1px solid var(--card-border); border-radius: 12px; overflow: hidden; box-shadow: 0 8px 32px rgba(0,0,0,0.5); margin-bottom: 16px; }
#fancyInput { width: 100%; height: 90px; background: var(--textarea-bg); color: var(--textarea-text); font-size: 1.1rem; line-height: 1.6; padding: 12px 14px; resize: none; border: none; outline: none; font-family: 'Segoe UI', Arial, sans-serif; }
.fancy-input-bar { background: var(--toolbar-bg); padding: 8px 12px; display: flex; align-items: center; justify-content: space-between; }
.fancy-input-bar .stats { color: var(--text-muted); font-size: 0.8rem; }

.font-grid { width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px; }
.font-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 10px; overflow: hidden; transition: border-color 0.2s;
}
.font-card:hover { border-color: var(--card-hover-border); }
.font-card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; background: var(--font-card-header-bg);
  border-bottom: 1px solid var(--border-subtle); gap: 8px;
}
.font-card-name { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.font-card-preview {
  padding: 12px 14px; font-size: 1.05rem; color: var(--text-body);
  word-break: break-all; line-height: 1.5; min-height: 44px;
  font-family: 'Segoe UI', Arial, sans-serif;
}
.btn-copy-sm { font-size: 0.65rem; padding: 3px 8px; flex-shrink: 0; }
.btn-copy.ok { background: #16a34a; }

/* ── Character Counter Styles ── */
.counter-input-wrap { width: 100%; border: 1px solid var(--card-border); border-radius: 12px; overflow: hidden; box-shadow: 0 8px 32px rgba(0,0,0,0.5); margin-bottom: 16px; }
#counterInput { width: 100%; height: 180px; background: var(--textarea-bg); color: var(--textarea-text); font-size: 1rem; line-height: 1.6; padding: 14px 16px; resize: vertical; border: none; outline: none; font-family: 'Segoe UI', Arial, sans-serif; }
.counter-bar { background: var(--toolbar-bg); padding: 8px 12px; display: flex; align-items: center; justify-content: flex-end; }

.counter-results {
  width: 100%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  margin-bottom: 20px;
}
.counter-stat {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 10px; padding: 20px 16px; text-align: center;
}
.counter-stat-value {
  display: block; font-size: 2rem; font-weight: 700; color: var(--result-accent);
  line-height: 1.2; margin-bottom: 4px;
}
.counter-stat-label {
  font-size: 0.8rem; color: var(--text-muted);
}

.social-limits { width: 100%; padding: 20px; margin-bottom: 20px; }
.social-limits h3 { color: var(--text-heading); font-size: 1rem; margin-bottom: 14px; text-align: center; }
.social-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.social-table th { text-align: left; padding: 8px 12px; color: var(--text-muted); font-weight: 600; border-bottom: 2px solid var(--border-subtle); font-size: 0.75rem; text-transform: uppercase; }
.social-table td { padding: 10px 12px; color: var(--text-body); border-bottom: 1px solid var(--border-subtle); }
.social-table tbody tr:hover { background: var(--result-bg); }
.social-table td:last-child { text-align: right; font-weight: 600; color: var(--result-accent); }

/* ── Keyboard Styles ── */
.textarea-wrap { width: 100%; border: 1px solid var(--card-border); border-radius: 12px; overflow: hidden; box-shadow: 0 8px 32px rgba(0,0,0,0.5); margin-bottom: 12px; }
#output { width: 100%; height: 110px; background: var(--textarea-bg); color: var(--textarea-text); font-size: 1.1rem; line-height: 1.6; padding: 12px 14px; resize: none; border: none; outline: none; font-family: 'Segoe UI', Arial, sans-serif; }
.textarea-bar { background: var(--toolbar-bg); padding: 8px 12px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.toolbar-right { display: flex; align-items: center; gap: 10px; }
.stats { color: var(--text-muted); font-size: 0.8rem; }
.layout-btn, .bar-btn { font-size: 0.7rem; padding: 4px 10px; border-radius: 6px; border: none; cursor: pointer; font-weight: 600; }
.layout-btn { background: var(--result-bg); color: var(--text-muted); }
.layout-btn.active { background: var(--kb-gradient-start); color: #fff; }
.btn-copy { background: var(--btn-copy-bg); color: #fff; }
.btn-clear { background: var(--btn-clear-bg); color: #fff; }

.kb-status { display: flex; gap: 8px; margin-bottom: 8px; justify-content: center; }
.pill {
  font-size: 0.7rem; padding: 4px 10px; border-radius: 6px;
  background: var(--result-bg); color: var(--text-muted);
  font-weight: 600; transition: background 0.2s, color 0.2s;
  border: 1px solid var(--border-subtle);
}
.pill.active-caps { background: #fbbf24; color: #1e293b; }
.pill.active-shift { background: #60a5fa; color: #fff; }

.kb { width: 100%; background: linear-gradient(to bottom, var(--kb-gradient-start), var(--kb-gradient-end)); border: 1px solid var(--kb-border); border-radius: 14px; padding: 10px; box-shadow: 0 12px 40px rgba(0,0,0,0.6); }
.kb-row { display: flex; gap: 4px; margin-bottom: 4px; }
.key { flex: 1; height: 38px; border-radius: 7px; border: 1px solid var(--key-special-bg); background: linear-gradient(to bottom, var(--key-bg-start), var(--key-bg-end)); cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--key-text); transition: transform 0.06s; font-size: 13px; font-family: inherit; }
.key.pressed { transform: translateY(2px); background: var(--key-bg-end); }
.key .top-label { font-size: 9px; font-weight: 700; color: var(--key-label); line-height: 1; }
.key .main-label { font-size: 14px; line-height: 1; }
.key-special, .key-caps, .key-shift { background: var(--key-special-bg); color: var(--key-text); font-size: 11px; font-family: inherit; flex: none; }
.key-shift.active { background: #60a5fa; color: #fff; }
.key-caps.active { background: #fbbf24; color: #1e293b; }

.w-backspace { width: 72px; }
.w-tab { width: 60px; }
.w-del { width: 56px; }
.w-caps { width: 56px; }
.w-enter { flex: 1.6; }
.w-shift-l { width: 76px; }
.w-shift-r { flex: 1.4; }
.w-arrow { width: 38px; }
.w-space { flex: 1; }

/* ── Description & Footer ── */
.description { width: 100%; margin-top: 24px; padding: 16px 20px; background: var(--desc-bg); border: 1px solid var(--desc-border); border-radius: 12px; color: var(--desc-text); }
.description h2 { color: var(--text-heading); margin-bottom: 8px; font-size: 1.1rem; }
footer { width: 100%; background: var(--footer-bg); border-top: 1px solid var(--footer-border); padding: 24px; text-align: center; color: var(--footer-text); margin-top: auto; }
footer a { color: var(--text-muted); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .page-wrapper { flex-direction: column; align-items: center; }
  .ad-banner { width: 100%; max-width: 820px; min-height: 90px; }
}
@media (max-width: 600px) {
  .calc-inputs { flex-direction: column; }
  .results-grid { grid-template-columns: 1fr; }
  .font-grid { grid-template-columns: 1fr; }
  .counter-results { grid-template-columns: 1fr; }
  .key { height: 44px; }
  .nav-menu { padding: 14px 8px; }
  .nav-menu a { margin: 0 8px; font-size: 0.85rem; }
  #counterInput { height: 140px; }
}

/* ── Ad-Block Hard Wall ── */
.hidden { display: none !important; }
.content-blurred { filter: blur(8px); pointer-events: none; user-select: none; }
.no-scroll { overflow: hidden !important; }

#adblock-modal {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background-color: rgba(0, 0, 0, 0.85); z-index: 99999;
  display: flex; justify-content: center; align-items: center;
}

.adblock-modal-content {
  background: var(--textarea-bg); color: var(--text-body);
  padding: 30px; border-radius: 12px; max-width: 520px; width: 90%;
  text-align: center; box-shadow: 0 8px 40px rgba(0,0,0,0.5);
  border: 1px solid var(--card-border);
}
.adblock-modal-content h2 { color: var(--text-heading); margin-bottom: 12px; font-size: 1.3rem; }
.adblock-modal-content p { margin-bottom: 14px; line-height: 1.6; font-size: 0.95rem; }
.adblock-modal-content ol { text-align: left; margin: 0 0 20px 20px; line-height: 1.8; font-size: 0.9rem; color: var(--text-muted); }
.adblock-modal-content ol li { margin-bottom: 4px; }

.adblock-modal-content .btn-refresh {
  margin-top: 8px; padding: 12px 28px; font-size: 1rem;
  background: var(--btn-copy-bg); color: #fff;
  border: none; border-radius: 8px; cursor: pointer; font-weight: 600;
  transition: background 0.2s;
}
.adblock-modal-content .btn-refresh:hover { background: #6366f1; }