/* ── Tokens ────────────────────────────────────────────── */
:root {
  --ink:        #161a1f;
  --ink-soft:   #2c333c;
  --muted:      #6b7785;
  --muted-2:    #99a3b0;
  --paper:      #eef0f3;
  --paper-2:    #ffffff;
  --line:       #e2e6eb;
  --line-soft:  #eef0f3;
  --primary:    #2a5288;
  --primary-2:  #4582EC;
  --primary-dk: #1d3a63;
  --success:    #02B875;
  --success-dk: #018655;
  --warn:       #c75a26;
  --warn-bg:    #fbeee4;
  --danger:     #d93644;
  --danger-bg:  #fdecee;
  --dark:       #1d242d;
  --vk:         #0077FF;
  --shadow-sm:  0 1px 2px rgba(22,26,31,.04);
  --shadow:     0 1px 2px rgba(22,26,31,.04), 0 8px 24px rgba(22,26,31,.05);
  --radius:     14px;
  --radius-sm:  10px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Rubik", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink-soft);
  background: var(--paper);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 {
  color: var(--ink);
  font-weight: 500;
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.005em;
}
a { color: var(--primary-2); text-decoration: none; transition: color .12s; }
a:hover { color: var(--primary-dk); }
button { font-family: inherit; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ── Main container (pushes footer down) ────────────── */
.main-container {
  min-height: calc(100vh - 57px - 280px);
}

/* ── Nav ─────────────────────────────────────────────── */
.nav { background: var(--dark); color: #fff; position: sticky; top: 0; z-index: 50; }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0; gap: 14px;
}
.brand { display: flex; align-items: center; gap: 11px; color: #fff; font-weight: 500; font-size: 16px; }
.brand:hover { color: #fff; }

/* ── Brand logo (img instead of CSS circle) ─────────── */
.brand-logo {
  height: 32px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

.nav-burger {
  display: none; width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,.18); border-radius: 8px;
  background: transparent; cursor: pointer;
  align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.nav-burger span { display: block; width: 16px; height: 1.5px; background: #fff; transition: transform .2s, opacity .2s; }
.nav.is-open .nav-burger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav.is-open .nav-burger span:nth-child(2) { opacity: 0; }
.nav.is-open .nav-burger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.nav-menu { display: flex; align-items: center; gap: 28px; }
.nav-links { display: flex; gap: 26px; list-style: none; padding: 0; margin: 0; font-size: 14px; }
.nav-links a { color: rgba(255,255,255,.8); }
.nav-links a:hover { color: #fff; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-actions .login {
  color: rgba(255,255,255,.92);
  border: 1px solid rgba(255,255,255,.22);
  padding: 6px 14px; border-radius: 8px;
  font-weight: 500; font-size: 14px;
}
.nav-actions .login:hover { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.4); color: #fff; }

/* ── Nav user dropdown ───────────────────────────────── */
.nav-user { position: relative; }
.nav-user-btn {
  display: flex; align-items: center; gap: 7px;
  color: rgba(255,255,255,.9);
  background: transparent;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: background .12s, border-color .12s;
}
.nav-user-btn:hover { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.4); color: #fff; }
.nav-user-btn .chevron {
  width: 12px; height: 12px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  display: inline-block;
  transition: transform .15s;
}
.nav-user.is-open .nav-user-btn .chevron { transform: rotate(225deg) translateY(-2px); }

.nav-user-menu {
  display: none;
  position: absolute; top: calc(100% + 8px); right: 0;
  min-width: 200px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 6px 0;
  z-index: 100;
}
.nav-user.is-open .nav-user-menu { display: block; }

.nav-user-menu a,
.nav-user-menu button {
  display: block; width: 100%;
  padding: 8px 16px;
  font-size: 14px; font-weight: 400;
  color: var(--ink-soft);
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: background .1s;
  text-decoration: none;
}
.nav-user-menu a:hover,
.nav-user-menu button:hover {
  background: var(--paper);
  color: var(--ink);
}

.menu-divider {
  height: 1px;
  background: var(--line-soft);
  margin: 5px 0;
}
.menu-text {
  display: block;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--warn);
  font-weight: 500;
}

/* ── Nav impersonator warning ────────────────────────── */
.nav-impersonator {
  background: rgba(199,90,38,.15);
  border: 1px solid rgba(199,90,38,.3);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 13px;
  color: #f4a46a;
  font-weight: 500;
}

/* ── Page layout ─────────────────────────────────────── */
.page { padding: 20px 0 56px; }

.crumbs {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted);
  margin-bottom: 16px;
}
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--ink); }
.crumbs .sep { color: var(--muted-2); }

.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  margin-bottom: 18px;
}
.page-head h1 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.page-head .sub {
  font-size: 14px;
  color: var(--muted);
  margin-top: 6px;
}
.page-head .login-hint {
  font-size: 14px;
  color: var(--muted);
}
.page-head .login-hint a { font-weight: 500; }

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 16px;
  align-items: start;
}

/* ── Card ────────────────────────────────────────────── */
.card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
}
.card-pad { padding: 22px 24px; }
.card-section { padding: 22px 24px; border-top: 1px solid var(--line-soft); }
.card-section:first-child { border-top: none; }
.card-section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.card-section-head h2 {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.card-section-head .opt {
  font-size: 12px;
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 500; font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .12s;
  text-decoration: none;
  line-height: 1.4;
  white-space: nowrap;
}
.btn-primary { background: var(--primary-2); color: #fff; border-color: var(--primary-2); }
.btn-primary:hover { background: var(--primary-dk); color: #fff; border-color: var(--primary-dk); }
.btn-primary[disabled] { background: #b6cdf2; border-color: #b6cdf2; cursor: not-allowed; }
.btn-ghost { background: #f4f6f9; color: var(--ink); }
.btn-ghost:hover { background: #e7ebf0; color: var(--ink); }
.btn-block { width: 100%; }
.btn-lg { padding: 12px 22px; font-size: 15px; }

/* ── Form ────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 16px;
}
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 500;
}
.field .hint {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}
.field .hint.err { color: var(--danger); }
.hint.err { display: block; font-size: 12px; color: var(--danger); margin-top: 3px; }
.input, .select {
  appearance: none;
  width: 100%;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
  font-size: 14.5px;
  line-height: 1.4;
  transition: border-color .12s, box-shadow .12s;
}
.input::placeholder { color: var(--muted-2); }
.input:hover, .select:hover { border-color: #c7cdd6; }
.input:focus, .select:focus {
  outline: none;
  border-color: var(--primary-2);
  box-shadow: 0 0 0 3px rgba(69, 130, 236, .15);
}
.input.has-error {
  border-color: var(--danger);
  background: var(--danger-bg);
}
.input.has-error:focus { box-shadow: 0 0 0 3px rgba(217,54,68,.15); }

/* input with adornment */
.input-wrap { position: relative; }
.input-wrap .adorn {
  position: absolute; top: 50%; transform: translateY(-50%);
  right: 10px;
  color: var(--muted);
  display: inline-flex; align-items: center;
  background: transparent; border: none; padding: 4px;
  cursor: pointer;
  border-radius: 6px;
}
.input-wrap .adorn:hover { color: var(--ink); background: #f4f6f9; }
.input.with-adorn { padding-right: 40px; }

/* password strength */
.strength {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 4px; margin-top: 2px;
}
.strength span {
  height: 4px; border-radius: 2px;
  background: var(--line);
}
.strength.s1 span:nth-child(-n+1) { background: var(--danger); }
.strength.s2 span:nth-child(-n+2) { background: var(--warn); }
.strength.s3 span:nth-child(-n+3) { background: #d4a017; }
.strength.s4 span { background: var(--success); }

/* checkbox */
.check {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 13.5px;
  color: var(--ink-soft);
  cursor: pointer;
  line-height: 1.45;
  position: relative;
  padding: 4px 0;
}
.check input { position: absolute; opacity: 0; pointer-events: none; }
.check .box {
  width: 18px; height: 18px;
  border: 1.5px solid #c7cdd6;
  border-radius: 5px;
  background: var(--paper-2);
  position: relative;
  transition: all .12s;
  margin-top: 1px;
}
.check:hover .box { border-color: var(--primary-2); }
.check input:checked + .box {
  background: var(--primary-2);
  border-color: var(--primary-2);
}
.check input:checked + .box::after {
  content:''; position: absolute;
  left: 5px; top: 1px;
  width: 5px; height: 10px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(45deg);
}
.check input:focus-visible + .box {
  box-shadow: 0 0 0 3px rgba(69,130,236,.2);
}

/* submit row */
.submit-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px;
  padding: 18px 24px 22px;
  border-top: 1px solid var(--line-soft);
  background: #fafbfc;
  border-radius: 0 0 var(--radius) var(--radius);
  flex-wrap: wrap;
}
.submit-row .small {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.45;
  flex: 1;
  min-width: 200px;
}
.submit-row .actions { display: flex; gap: 8px; flex-shrink: 0; }

/* ── Non-field errors alert ──────────────────────────── */
.alert-error {
  background: var(--danger-bg);
  border: 1px solid rgba(217,54,68,.25);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--danger);
  margin-bottom: 14px;
}

/* ── Sidebar ─────────────────────────────────────────── */
.sidebar { display: flex; flex-direction: column; gap: 16px; }
.side-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 22px 4px;
  font-size: 13px;
}
.side-head h3 {
  font-size: 14px; font-weight: 500; color: var(--ink);
}
.side-head a { color: var(--muted); font-size: 12px; }
.side-head a:hover { color: var(--primary-2); }

.why { padding: 6px 22px 18px; }
.why-item {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  padding: 10px 0;
  align-items: start;
}
.why-item + .why-item { border-top: 1px solid var(--line-soft); }
.why-item .ic {
  width: 24px; height: 24px;
  border-radius: 7px;
  background: rgba(69,130,236,.10);
  color: var(--primary);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.why-item .ic svg { width: 14px; height: 14px; }
.why-item .ic.g { background: rgba(2,184,117,.12); color: var(--success-dk); }
.why-item .ic.w { background: rgba(199,90,38,.12); color: var(--warn); }
.why-item .ic.v { background: rgba(139,92,246,.12); color: #6d28d9; }
.why-item h4 { font-size: 14px; font-weight: 500; color: var(--ink); margin-bottom: 2px; }
.why-item p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.45; }

.help-card { padding: 16px 22px 18px; }
.help-card .ttl { font-size: 14px; font-weight: 500; color: var(--ink); margin-bottom: 4px; }
.help-card p { margin: 0 0 10px; font-size: 13px; color: var(--muted); line-height: 1.5; }
.help-card a.contact {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 500;
}
.help-card a.contact svg { width: 16px; height: 16px; }

/* ── Footer dark (3-column) ──────────────────────────── */
.footer-dark {
  background: var(--dark);
  color: rgba(255,255,255,.55);
  font-size: 14px;
  padding: 48px 0 0;
}

.footer-dark .footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 40px;
  padding-bottom: 40px;
}

.footer-dark h6 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin: 0 0 14px;
}

.footer-dark ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-dark ul li { margin: 0; }

.footer-dark a {
  color: rgba(255,255,255,.6);
  transition: color .12s;
}
.footer-dark a:hover { color: #fff; }

.footer-dark .footer-brand {
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,.85);
  font-weight: 500;
  font-size: 15px;
  margin-bottom: 10px;
}
.footer-dark .footer-brand img {
  height: 28px;
  width: auto;
  opacity: .85;
}

.footer-dark .footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.35);
}
.footer-dark .footer-bottom a {
  color: rgba(255,255,255,.4);
}
.footer-dark .footer-bottom a:hover { color: rgba(255,255,255,.75); }
.footer-dark .footer-bottom .footer-links {
  display: flex; align-items: center; gap: 16px;
}

/* ── Login page ─────────────────────────────────────── */
.login-page { flex: 1; padding: 48px 0 56px; display: flex; align-items: flex-start; justify-content: center; }
.login-wrap { width: 100%; max-width: 420px; }
.login-page .page-head { display: block; text-align: center; margin-bottom: 22px; }
.login-page .page-head h1 { font-size: 26px; margin-bottom: 6px; }
.err-banner {
  display: none; padding: 10px 12px; border-radius: 8px;
  background: var(--danger-bg); color: var(--danger); font-size: 13px;
  border: 1px solid rgba(217,54,68,.2); margin-bottom: 4px;
}
.err-banner.show { display: block; }
.form { display: flex; flex-direction: column; gap: 14px; }
.field-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.field-head .forgot { font-size: 12.5px; color: var(--muted); }
.field-head .forgot:hover { color: var(--primary-2); }
.form-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.below { text-align: center; margin-top: 18px; font-size: 14px; color: var(--muted); }
.below a { font-weight: 500; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 920px) {
  .grid { grid-template-columns: 1fr; }
  .sidebar { order: 2; }
  .footer-dark .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-burger { display: inline-flex; }
  .nav-menu {
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--dark);
    max-height: 0; overflow: hidden;
    flex-direction: column; align-items: stretch; gap: 0;
    transition: max-height .25s ease;
    box-shadow: 0 10px 24px rgba(0,0,0,.25);
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .nav.is-open .nav-menu { max-height: 480px; }
  .nav-links { flex-direction: column; gap: 0; padding: 8px 20px 12px; }
  .nav-links li { border-bottom: 1px solid rgba(255,255,255,.06); }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a { display: block; padding: 12px 4px; font-size: 15px; }
  .nav-actions { padding: 8px 20px 14px; border-top: 1px solid rgba(255,255,255,.06); }
  .nav-actions .login { width: 100%; justify-content: center; padding: 10px 14px; }
  .nav-user { width: 100%; }
  .nav-user-btn { width: 100%; justify-content: space-between; border: none; border-radius: 0; padding: 12px 4px; font-size: 15px; }
  .nav-user-menu { position: static; border: none; border-radius: 0; box-shadow: none; padding: 0 0 0 12px; }
  .nav-user-menu a, .nav-user-menu button { padding: 10px 4px; font-size: 14px; }
  .menu-divider { display: none; }
  .nav > .container { position: relative; }
}
@media (max-width: 600px) {
  .container { padding: 0 12px; }
  .page { padding: 14px 0 36px; }
  .page-head h1 { font-size: 22px; }
  .login-page { padding: 24px 0 36px; }
  .login-page .page-head h1 { font-size: 22px; }
  .login-wrap { max-width: 100%; }
  .card { border-radius: 0; border-left: none; border-right: none; }
  .submit-row { border-radius: 0; }
  .card-pad, .card-section { padding: 18px 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .submit-row { padding: 14px 16px 16px; }
  .submit-row .actions { width: 100%; }
  .submit-row .actions .btn { flex: 1; }
  .input-group { grid-template-columns: 88px 1fr; }
  .footer-dark .footer-grid { grid-template-columns: 1fr; }
  .footer-dark { padding-top: 32px; }
}

@media print {
  .nav, .footer-dark { display: none; }
  .main-container { min-height: 0; }
}