:root {
  --mk-bg: #f5f6f8;
  --mk-surface: #ffffff;
  --mk-surface-2: #fafbfc;
  --mk-border: #e3e6ec;
  --mk-text: #131826;
  --mk-muted: #66707e;
  --mk-primary: #2563eb;
  --mk-primary-dark: #1d4ed8;
  --mk-primary-soft: #eaf1fe;
  --mk-primary-text: #ffffff;
  --mk-accent: #0d9488;
  --mk-warn: #b45309;
  --mk-warn-soft: #fef3e2;
  --mk-ok: #15803d;
  --mk-ok-soft: #e9f9ee;
  --mk-danger: #b91c1c;
  --mk-danger-soft: #fdecec;
  --mk-radius: 14px;
  --mk-radius-sm: 10px;
  --mk-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px rgba(16, 24, 40, .06);
  --mk-shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);
  --mk-sidebar-bg: #12141c;
  --mk-sidebar-bg-2: #191c26;
  --mk-sidebar-text: #aab0c0;
  --mk-sidebar-text-active: #ffffff;
  --mk-sidebar-w: 252px;
}

:root[data-theme="dark"] {
  --mk-bg: #0b0d13;
  --mk-surface: #131620;
  --mk-surface-2: #171b27;
  --mk-border: #262b3a;
  --mk-text: #e7e9f0;
  --mk-muted: #8b93a7;
  --mk-primary: #3b82f6;
  --mk-primary-dark: #2563eb;
  --mk-primary-soft: #182238;
  --mk-primary-text: #ffffff;
  --mk-accent: #2dd4bf;
  --mk-warn: #d69735;
  --mk-warn-soft: #2c2313;
  --mk-ok: #34d399;
  --mk-ok-soft: #102a1e;
  --mk-danger: #f87171;
  --mk-danger-soft: #2a1414;
  --mk-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 30px rgba(0, 0, 0, .35);
  --mk-shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
  --mk-sidebar-bg: #05060a;
  --mk-sidebar-bg-2: #0b0d14;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --mk-bg: #0b0d13;
    --mk-surface: #131620;
    --mk-surface-2: #171b27;
    --mk-border: #262b3a;
    --mk-text: #e7e9f0;
    --mk-muted: #8b93a7;
    --mk-primary: #3b82f6;
    --mk-primary-dark: #2563eb;
    --mk-primary-soft: #182238;
    --mk-primary-text: #ffffff;
    --mk-accent: #2dd4bf;
    --mk-warn: #d69735;
    --mk-warn-soft: #2c2313;
    --mk-ok: #34d399;
    --mk-ok-soft: #102a1e;
    --mk-danger: #f87171;
    --mk-danger-soft: #2a1414;
    --mk-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 30px rgba(0, 0, 0, .35);
    --mk-shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
    --mk-sidebar-bg: #05060a;
    --mk-sidebar-bg-2: #0b0d14;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--mk-bg);
  color: var(--mk-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--mk-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 .5em; line-height: 1.25; letter-spacing: -.01em; }
img { max-width: 100%; }

.mk-app { display: flex; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.mk-sidebar {
  width: var(--mk-sidebar-w);
  flex: 0 0 var(--mk-sidebar-w);
  background: var(--mk-sidebar-bg);
  color: var(--mk-sidebar-text);
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid rgba(255, 255, 255, .05);
}
.mk-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15.5px;
  padding: 8px 10px 22px;
  color: #fff;
}
.mk-brand-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--mk-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, .35);
}
.mk-nav { display: flex; flex-direction: column; gap: 1px; }
.mk-nav a {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; border-radius: 9px;
  color: var(--mk-sidebar-text);
  font-weight: 500; font-size: 13.5px;
}
.mk-nav a:hover { background: rgba(255,255,255,.06); text-decoration: none; color: #fff; }
.mk-nav a.active { background: var(--mk-primary); color: #fff; font-weight: 600; }
.mk-nav-icon { width: 18px; text-align: center; opacity: .9; }
.mk-sidebar-footer {
  margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.08);
  display: flex; flex-direction: column; gap: 12px;
}

/* Theme toggle — day/night pill switch */
.mk-theme-toggle {
  display: inline-flex; align-items: center; gap: 2px;
  background: rgba(255,255,255,.06); border-radius: 999px; padding: 3px;
  border: 1px solid rgba(255,255,255,.08); width: fit-content;
}
.mk-theme-toggle button {
  border: none; background: transparent; cursor: pointer;
  width: 30px; height: 26px; border-radius: 999px; font-size: 13px;
  color: var(--mk-sidebar-text); display: flex; align-items: center; justify-content: center;
}
.mk-theme-toggle button.active { background: #fff; color: #12141c; }

/* ---------- Language dropdown ---------- */
.mk-lang-drop { position: relative; }
.mk-lang-drop-btn {
  display: flex; align-items: center; gap: 7px; width: 100%;
  padding: 8px 10px; border-radius: 9px; border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.05); color: var(--mk-sidebar-text);
  font-size: 12.5px; font-weight: 700; cursor: pointer;
}
.mk-lang-drop-btn:hover { background: rgba(255,255,255,.09); }
.mk-lang-drop-caret { margin-left: auto; font-size: 10px; opacity: .7; }
.mk-lang-drop-menu {
  position: absolute; bottom: calc(100% + 6px); left: 0; z-index: 50;
  min-width: 100%; width: max-content; max-width: min(240px, 80vw);
  background: var(--mk-surface); border: 1px solid var(--mk-border); border-radius: 10px;
  box-shadow: var(--mk-shadow); padding: 6px; display: flex; flex-direction: column; gap: 1px;
}
.mk-lang-drop-menu a {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 7px;
  font-size: 13px; font-weight: 600; color: var(--mk-text);
}
.mk-lang-drop-menu a:hover { background: var(--mk-surface-2); text-decoration: none; }
.mk-lang-drop-menu a.active { background: var(--mk-primary-soft); color: var(--mk-primary); }
/* The base rule above sets display:flex unconditionally, which otherwise beats the browser's
   own [hidden] stylesheet rule and leaves the menu visibly open all the time. */
.mk-lang-drop-menu[hidden] { display: none; }

/* Auth screens open the menu downward (the button sits at the bottom of the card, not top) */
.mk-auth-footer { display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 18px; }
.mk-auth-footer .mk-lang-drop-btn { color: var(--mk-muted); background: var(--mk-surface-2); border-color: var(--mk-border); width: auto; }
.mk-auth-footer .mk-lang-drop-menu { bottom: auto; top: calc(100% + 6px); left: 50%; transform: translateX(-50%); }

.mk-sidebar-footer > a[href*="logout"] {
  color: var(--mk-sidebar-text); font-weight: 600; font-size: 13.5px; display: inline-flex; align-items: center; gap: 6px;
}
.mk-sidebar-footer > a[href*="logout"]:hover { color: #fff; text-decoration: none; }

/* ---------- Content ---------- */
.mk-main { flex: 1; min-width: 0; padding: 26px clamp(16px, 4vw, 44px) 60px; }
.mk-topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 22px; gap: 12px; flex-wrap: wrap;
}
.mk-topbar h1 { font-size: 21px; font-weight: 700; }
.mk-menu-toggle {
  display: none; background: var(--mk-surface); border: 1px solid var(--mk-border);
  border-radius: 9px; width: 38px; height: 38px; font-size: 16px; cursor: pointer; color: var(--mk-text);
}

/* ---------- Cards / grid ---------- */
.mk-card {
  background: var(--mk-surface); border: 1px solid var(--mk-border);
  border-radius: var(--mk-radius); box-shadow: var(--mk-shadow-sm);
  padding: 22px 24px; margin-bottom: 18px;
}
.mk-card h2 { font-size: 15.5px; font-weight: 700; }
.mk-grid { display: grid; gap: 14px; }
.mk-grid--stats { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.mk-stat { padding: 18px 20px; }
.mk-stat-value { font-size: 25px; font-weight: 700; letter-spacing: -.02em; }
.mk-stat-label { color: var(--mk-muted); font-size: 12.5px; font-weight: 600; margin-top: 2px; }

/* ---------- Buttons ---------- */
.mk-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px; border-radius: 9px; font-weight: 600; font-size: 13.5px;
  border: 1px solid transparent; cursor: pointer; background: var(--mk-surface-2);
  color: var(--mk-text); box-shadow: var(--mk-shadow-sm); transition: filter .12s ease, transform .05s ease;
}
.mk-btn:hover { text-decoration: none; filter: brightness(0.97); }
.mk-btn:active { transform: translateY(1px); }
.mk-btn--primary { background: var(--mk-primary); color: var(--mk-primary-text); border-color: var(--mk-primary); }
.mk-btn--primary:hover { background: var(--mk-primary-dark); }
.mk-btn--ghost { background: transparent; border-color: var(--mk-border); color: var(--mk-text); box-shadow: none; }
.mk-btn--danger { background: var(--mk-danger-soft); color: var(--mk-danger); box-shadow: none; }
.mk-btn--sm { padding: 6px 11px; font-size: 12.5px; border-radius: 7px; }
.mk-btn--block { width: 100%; }
.mk-btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- Forms ---------- */
.mk-field { margin-bottom: 15px; }
.mk-field label { display: block; font-weight: 600; font-size: 12.5px; margin-bottom: 6px; color: var(--mk-muted); }
.mk-input, .mk-select, .mk-textarea {
  width: 100%; padding: 9px 12px; border-radius: 9px;
  border: 1px solid var(--mk-border); background: var(--mk-surface); color: var(--mk-text);
  font-size: 13.5px; font-family: inherit;
}
.mk-input:focus, .mk-select:focus, .mk-textarea:focus {
  outline: none; border-color: var(--mk-primary); box-shadow: 0 0 0 3px var(--mk-primary-soft);
}
.mk-form-row { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.mk-checkbox { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 13.5px; }
.mk-hint { color: var(--mk-muted); font-size: 12px; margin-top: 4px; }

/* ---------- Table ---------- */
.mk-table-wrap { overflow-x: auto; }
.mk-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.mk-table th {
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--mk-muted); padding: 9px 12px; border-bottom: 1px solid var(--mk-border); font-weight: 700;
}
.mk-table td { padding: 11px 12px; border-bottom: 1px solid var(--mk-border); vertical-align: middle; }
.mk-table tr:last-child td { border-bottom: none; }
.mk-table tbody tr:hover { background: var(--mk-surface-2); }
.mk-table-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------- Badges ---------- */
.mk-badge {
  display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 999px;
  font-size: 11.5px; font-weight: 700;
}
.mk-badge--ok { background: var(--mk-ok-soft); color: var(--mk-ok); }
.mk-badge--warn { background: var(--mk-warn-soft); color: var(--mk-warn); }
.mk-badge--muted { background: var(--mk-border); color: var(--mk-muted); }

/* ---------- Alerts ---------- */
.mk-alert { padding: 11px 16px; border-radius: 10px; margin-bottom: 16px; font-weight: 600; font-size: 13.5px; }
.mk-alert--ok { background: var(--mk-ok-soft); color: var(--mk-ok); }
.mk-alert--error { background: var(--mk-danger-soft); color: var(--mk-danger); }

/* ---------- Auth screens ---------- */
.mk-auth-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 20px; background: var(--mk-bg);
}
.mk-auth-card {
  width: 100%; max-width: 380px; background: var(--mk-surface); border: 1px solid var(--mk-border);
  border-radius: var(--mk-radius); box-shadow: var(--mk-shadow); padding: 34px 30px;
}
.mk-auth-card .mk-brand { justify-content: center; color: var(--mk-text); padding-bottom: 22px; }
.mk-auth-card .mk-brand-mark { box-shadow: 0 4px 14px rgba(37, 99, 235, .3); }
.mk-auth-theme-toggle { display: flex; justify-content: center; margin-top: 18px; }
.mk-auth-theme-toggle .mk-theme-toggle { background: var(--mk-surface-2); border-color: var(--mk-border); }
.mk-auth-theme-toggle .mk-theme-toggle button { color: var(--mk-muted); }
.mk-auth-theme-toggle .mk-theme-toggle button.active { background: var(--mk-primary); color: #fff; }

/* ---------- Client dashboard widgets ---------- */
.mk-service-chip {
  display: flex; align-items: center; gap: 12px; padding: 13px 15px;
  border: 1px solid var(--mk-border); border-radius: var(--mk-radius-sm); margin-bottom: 9px;
  background: var(--mk-surface-2);
}
.mk-service-chip-icon {
  font-size: 18px; width: 38px; height: 38px; border-radius: 9px; background: var(--mk-primary-soft);
  display: flex; align-items: center; justify-content: center; flex: none;
}
.mk-service-chip-name { font-weight: 700; font-size: 13.5px; }
.mk-service-chip-meta { color: var(--mk-muted); font-size: 12px; }

/* ---------- Invoice document ---------- */
.mk-invoice-doc { max-width: 720px; margin: 0 auto; }
.mk-invoice-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 24px; flex-wrap: wrap; gap: 16px; }
.mk-invoice-parties { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
.mk-invoice-parties h4 { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--mk-muted); margin-bottom: 6px; font-weight: 700; }
.mk-invoice-total-row td { font-weight: 800; font-size: 15.5px; }

/* ---------- Pay screen (business checkout look) ---------- */
.mk-pay-amount {
  font-size: 34px; font-weight: 800; letter-spacing: -.02em; margin: 4px 0 22px;
}
.mk-pay-options { display: grid; gap: 10px; max-width: 460px; }
.mk-pay-option {
  display: flex; align-items: center; gap: 14px; padding: 15px 16px; border: 1px solid var(--mk-border);
  border-radius: var(--mk-radius-sm); background: var(--mk-surface); cursor: pointer; font-weight: 600; font-size: 14px;
  text-align: left; width: 100%; color: var(--mk-text); transition: border-color .12s ease, box-shadow .12s ease;
}
.mk-pay-option:hover { border-color: var(--mk-primary); text-decoration: none; box-shadow: 0 0 0 3px var(--mk-primary-soft); }
.mk-pay-option-icon {
  font-size: 19px; width: 40px; height: 40px; border-radius: 10px; background: var(--mk-primary-soft);
  display: flex; align-items: center; justify-content: center; flex: none;
}
.mk-pay-option-arrow { margin-left: auto; color: var(--mk-muted); }
.mk-pay-secure {
  display: flex; align-items: center; gap: 6px; color: var(--mk-muted); font-size: 12px; margin-top: 18px;
}

/* ---------- Client login: two-panel hero screen ---------- */
.mk-split-body { margin: 0; }
.mk-split-auth { min-height: 100vh; display: flex; }
.mk-split-brand {
  flex: 1 1 46%; position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(150deg, var(--mk-primary-dark), #0b1330 115%);
  display: flex; align-items: center; padding: 48px clamp(24px, 5vw, 64px);
}
.mk-split-brand-glow {
  position: absolute; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,.35), transparent 70%);
  top: -160px; right: -160px; pointer-events: none;
}
.mk-split-brand-inner { position: relative; z-index: 1; max-width: 460px; }
.mk-split-brand .mk-brand { color: #fff; padding-bottom: 28px; }
.mk-split-brand .mk-brand-mark { background: rgba(255,255,255,.14); box-shadow: none; }
.mk-split-headline { font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; line-height: 1.25; margin-bottom: 22px; letter-spacing: -.01em; }
.mk-split-points { list-style: none; padding: 0; margin: 0 0 30px; display: flex; flex-direction: column; gap: 12px; }
.mk-split-points li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; color: rgba(255,255,255,.88); font-weight: 500; }
.mk-split-point-icon {
  flex: none; width: 20px; height: 20px; border-radius: 50%; background: rgba(255,255,255,.16);
  display: flex; align-items: center; justify-content: center; font-size: 11px; margin-top: 1px;
}
.mk-split-deco { width: 100%; max-width: 320px; height: auto; margin-top: 8px; }
.mk-split-form {
  flex: 1 1 54%; display: flex; align-items: center; justify-content: center;
  background: var(--mk-bg); padding: 40px 24px;
}
.mk-split-form-inner { width: 100%; max-width: 380px; }
.mk-split-form-inner .mk-auth-footer { display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 22px; }

@media (max-width: 900px) {
  .mk-split-auth { flex-direction: column; }
  .mk-split-brand { padding: 32px 24px; flex: none; }
  .mk-split-deco { display: none; }
  .mk-split-points { margin-bottom: 6px; }
  .mk-split-form { flex: none; padding: 32px 20px 44px; }
}

.mk-fx-approx { display: block; color: var(--mk-muted); font-size: 11.5px; font-weight: 500; margin-top: 2px; }
.mk-pay-amount .mk-fx-approx { font-size: 13px; margin-top: 4px; }

/* ---------- Pay link + QR block ---------- */
.mk-pay-qr-block {
  display: flex; gap: 18px; align-items: center; padding: 16px; margin-top: 18px;
  border: 1px solid var(--mk-border); border-radius: var(--mk-radius-sm); background: var(--mk-surface-2); flex-wrap: wrap;
}
.mk-pay-qr-block svg { flex: none; border-radius: 8px; background: #fff; padding: 6px; border: 1px solid var(--mk-border); }
.mk-pay-link-col { flex: 1 1 220px; min-width: 0; }
.mk-pay-link-row { display: flex; gap: 8px; align-items: center; }
.mk-pay-link-row input {
  flex: 1; min-width: 0; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--mk-border);
  background: var(--mk-surface); color: var(--mk-muted); font-size: 12.5px;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .mk-sidebar {
    position: fixed; left: 0; top: 0; z-index: 40; transform: translateX(-100%);
    transition: transform .2s ease;
  }
  .mk-sidebar.mk-sidebar--open { transform: translateX(0); }
  .mk-menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .mk-main { padding: 18px 16px 40px; }
  .mk-invoice-parties { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .mk-card { padding: 16px 16px; border-radius: 12px; }
  .mk-auth-card { padding: 26px 20px; max-width: 100%; }
  .mk-auth-wrap { padding: 12px; }
  .mk-topbar h1 { font-size: 18px; }
  .mk-stat-value { font-size: 21px; }
  .mk-pay-amount { font-size: 27px; }
  .mk-btn { padding: 9px 14px; }
  .mk-invoice-head { flex-direction: column; }
}

/* Sidebar drawer, sidebar's own dropdown menu must stay reachable even though the sidebar sits at z-index 40 */
.mk-sidebar { z-index: 40; }
.mk-lang-drop-menu { z-index: 60; }

@media print {
  .mk-sidebar, .mk-topbar, .mk-no-print, .mk-sidebar-overlay { display: none !important; }
  .mk-main { padding: 0; }
  body { background: #fff; }
}

.mk-modal-overlay {
  position: fixed; inset: 0; background: rgba(10, 12, 20, .5);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; padding: 20px;
}
.mk-modal-overlay[hidden] { display: none; }
.mk-modal {
  background: var(--mk-surface); border: 1px solid var(--mk-border); border-radius: var(--mk-radius);
  box-shadow: var(--mk-shadow); max-width: 480px; width: 100%; max-height: 80vh;
  display: flex; flex-direction: column; overflow: hidden;
}
.mk-modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px; border-bottom: 1px solid var(--mk-border);
}
.mk-modal-head h3 { margin: 0; font-size: 15px; }
.mk-modal-close {
  border: none; background: none; color: var(--mk-muted); font-size: 20px; line-height: 1;
  cursor: pointer; padding: 4px 8px; border-radius: var(--mk-radius-sm);
}
.mk-modal-close:hover { background: var(--mk-surface-2); color: var(--mk-text); }
.mk-icon-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(46px, 1fr));
  gap: 6px; padding: 16px 18px; overflow-y: auto;
}
.mk-icon-opt {
  font-size: 22px; padding: 8px 0; border: 1px solid transparent; border-radius: var(--mk-radius-sm);
  background: var(--mk-surface-2); cursor: pointer; text-align: center;
}
.mk-icon-opt:hover { border-color: var(--mk-primary); background: var(--mk-primary-soft); }

/* App version badge */
.mk-version {
  margin-top: 10px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(170, 176, 192, 0.75);
  font-variant-numeric: tabular-nums;
}
.mk-auth-footer .mk-version,
.mk-auth-card .mk-version {
  color: var(--mk-muted);
  margin-top: 12px;
  text-align: center;
}
.mk-demo-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: rgba(251, 191, 36, 0.2);
  color: #fbbf24;
  vertical-align: middle;
}
.mk-demo-side-note {
  margin: 0;
  font-size: 0.68rem;
  line-height: 1.35;
  color: rgba(170, 176, 192, 0.7);
}