:root {
  --flg-blue-600: #075DEA;
  --flg-blue-800: #063B91;
  --flg-cyan-500: #00A8C7;
  --flg-ink-950: #08111F;
  --flg-ink-700: #344054;
  --flg-gray-100: #EEF3F8;
  --flg-gray-50: #F7F9FC;
  --flg-white: #FFFFFF;
  --flg-success: #16845B;
  --flg-warning: #B75B08;
  --flg-error: #C9363E;
  --radius-lg: 20px;
  --radius-md: 12px;
  --font-latin: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --font-arabic: 'IBM Plex Sans Arabic', 'Noto Sans Arabic', Tahoma, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-latin);
  color: var(--flg-ink-950);
  background: var(--flg-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
}

html[lang="ar"] body { font-family: var(--font-arabic); }

a { color: var(--flg-blue-600); text-decoration: none; }
a:hover { color: var(--flg-blue-800); }

.container { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.container.wide { max-width: 1100px; }

/* header */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--flg-gray-100);
}
.site-header .logo { height: 40px; width: auto; display: block; }
.site-header .brand { display: flex; align-items: center; gap: 12px; font-weight: 600; }

.lang-toggle {
  display: inline-flex; gap: 4px;
  border: 1px solid var(--flg-gray-100);
  border-radius: 999px; padding: 4px;
  background: var(--flg-gray-50);
}
.lang-toggle button {
  border: 0; background: transparent; cursor: pointer;
  padding: 6px 14px; border-radius: 999px;
  font-family: inherit; font-size: 14px; color: var(--flg-ink-700);
}
.lang-toggle button.active { background: var(--flg-ink-950); color: #fff; }

/* hero / headings */
h1 { font-size: clamp(28px, 4.5vw, 40px); line-height: 1.15; letter-spacing: -0.02em; font-weight: 700; }
h2 { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.muted { color: var(--flg-ink-700); }
.lead { color: var(--flg-ink-700); font-size: 17px; max-width: 52ch; }

/* sections */
.section { padding: 40px 0; }
.card {
  background: var(--flg-white);
  border: 1px solid var(--flg-gray-100);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 1px 2px rgba(8,17,31,0.04);
}
.card + .card { margin-top: 16px; }
.tone { background: var(--flg-gray-50); }

/* forms */
label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--flg-ink-700); }
input[type="text"], input[type="password"], input[type="url"] {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--flg-gray-100); border-radius: var(--radius-md);
  font-family: inherit; font-size: 16px; color: var(--flg-ink-950);
  background: var(--flg-white);
}
input:focus { outline: 2px solid var(--flg-blue-600); outline-offset: 1px; border-color: transparent; }
.field { margin-bottom: 16px; }
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: var(--radius-md);
  border: 0; cursor: pointer; font-family: inherit; font-size: 16px; font-weight: 600;
  transition: background 0.15s ease, transform 0.05s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--flg-blue-600); color: #fff; }
.btn-primary:hover { background: var(--flg-blue-800); }
.btn-secondary { background: var(--flg-gray-100); color: var(--flg-ink-950); }
.btn-secondary:hover { background: #e2e9f1; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* steps */
.steps { list-style: none; counter-reset: step; }
.step { position: relative; padding: 20px 0 20px 56px; border-bottom: 1px solid var(--flg-gray-100); }
.step:last-child { border-bottom: 0; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; inset-inline-start: 0; top: 18px;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--flg-blue-600); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px;
}
.step h3 { font-size: 17px; margin-bottom: 6px; }

/* QR */
.qr-box { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 20px; background: #fff; border: 1px solid var(--flg-gray-100); border-radius: 12px; }
.qr-box svg { width: 220px; height: 220px; }

/* OTP display */
.otp-display {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 34px; font-weight: 700; letter-spacing: 0.35em;
  color: var(--flg-ink-950);
  background: var(--flg-gray-50);
  border: 1px dashed var(--flg-gray-100);
  border-radius: var(--radius-md);
  padding: 18px 24px; text-align: center;
}

/* link box */
.link-box {
  display: flex; align-items: center; gap: 10px;
  background: var(--flg-gray-50); border: 1px solid var(--flg-gray-100);
  border-radius: var(--radius-md); padding: 12px 14px;
  word-break: break-all; font-size: 15px;
}

/* credentials box */
.creds-box {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--flg-gray-50); border: 1px solid var(--flg-gray-100);
  border-radius: var(--radius-md); padding: 14px;
}
.cred-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.cred-label { font-size: 13px; font-weight: 600; color: var(--flg-ink-700); min-width: 88px; }
.cred-value { font-family: ui-monospace, 'SF Mono', Menlo, monospace; font-size: 15px; }
.cred-copy { padding: 6px 12px; font-size: 13px; }

/* status badges */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 12.5px; font-weight: 600;
}
.badge.new { background: #E8F0FE; color: var(--flg-blue-800); }
.badge.connected { background: #E5F6EE; color: var(--flg-success); }
.badge.completed { background: var(--flg-ink-950); color: #fff; }
.badge.revoked { background: #FBECEC; color: var(--flg-error); }

/* admin table */
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { text-align: start; padding: 12px 14px; border-bottom: 1px solid var(--flg-gray-100); }
th { color: var(--flg-ink-700); font-weight: 600; font-size: 13px; }
tr:hover td { background: var(--flg-gray-50); }
.table-wrap { overflow-x: auto; }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }

/* notices */
.notice { padding: 14px 16px; border-radius: var(--radius-md); font-size: 14.5px; margin-bottom: 16px; }
.notice.error { background: #FBECEC; color: var(--flg-error); }
.notice.success { background: #E5F6EE; color: var(--flg-success); }
.notice.hidden { display: none; }

/* misc */
.hidden { display: none; }
.small { font-size: 13px; color: var(--flg-ink-700); }
.mt { margin-top: 16px; }
.mt-lg { margin-top: 28px; }
.text-center { text-align: center; }
.mono { font-family: ui-monospace, 'SF Mono', Menlo, monospace; }

footer { padding: 32px 28px; border-top: 1px solid var(--flg-gray-100); color: var(--flg-ink-700); font-size: 13.5px; }

/* RTL logical properties for steps/inputs handled via inset-inline / text-align:start above */