/* ==========================================================================
   WireGuard Portal – Modern UI System (Mockup-based)
   ========================================================================== */

/* ---- Design Tokens ------------------------------------------------------ */
:root {
  /* Layout */
  --header-height: 72px;
  --max-width: 1400px;
  --page-bg-image: url('/background.webp');
  --page-bg-size: clamp(140px, 15vw, 245px);
  --page-bg-repeat: repeat;
  --page-bg-position: center;

  /* Spacing scale (8px base) */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-14: 3.5rem;  /* 56px */
  --space-16: 4rem;    /* 64px */
  --space-18: 4.5rem;  /* 72px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */
  --space-32: 8rem;    /* 128px */

  /* Typography scale */
  --text-xs: 0.75rem;   /* 12px */
  --text-sm: 0.875rem;  /* 14px */
  --text-base: 1rem;    /* 16px */
  --text-lg: 1.125rem;  /* 18px */
  --text-xl: 1.25rem;   /* 20px */
  --text-2xl: 1.5rem;   /* 24px */
  --text-3xl: 1.875rem; /* 30px */
  --text-4xl: 2.25rem;  /* 36px */

  /* Border radius scale */
  --radius-sm: 0.375rem; /* 6px */
  --radius: 0.5rem;      /* 8px */
  --radius-lg: 0.75rem;  /* 12px */
  --radius-xl: 1rem;     /* 16px */
  --radius-2xl: 1.5rem;  /* 24px */

  /* Light theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-accent: #dbeafe;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --border-primary: #e2e8f0;
  --border-secondary: #cbd5e1;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #10b981;
  --success-bg: #ecfdf5;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --danger: #ef4444;
  --danger-bg: #fef2f2;

  /* Authentik brand button (accessible orange) */
  --ak: #ea580c;       /* orange-600 */
  --ak-hover: #c2410c; /* orange-700 */

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(15, 23, 42, 0.08);
  --blur: blur(16px);

  /* Motion */
  --transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;

  /* Legacy aliases (existing templates/JS) */
  --bg: var(--bg-primary);
  --card-bg: var(--bg-primary);
  --text: var(--text-primary);
  --muted: var(--text-secondary);
  --border: var(--border-primary);
}

/* Dark theme */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-accent: #1e40af;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --border-primary: #334155;
  --border-secondary: #475569;
  --accent: #60a5fa;
  --accent-hover: #3b82f6;
  --success: #34d399;
  --success-bg: #064e3b;
  --warning: #fbbf24;
  --warning-bg: #451a03;
  --danger: #f87171;
  --danger-bg: #450a0a;

  --shadow-sm: 0 1px 2px 0 rgb(255 255 255 / 0.1);
  --shadow: 0 1px 3px 0 rgb(255 255 255 / 0.15), 0 1px 2px -1px rgb(255 255 255 / 0.15);
  --shadow-md: 0 4px 6px -1px rgb(255 255 255 / 0.15), 0 2px 4px -2px rgb(255 255 255 / 0.15);
  --shadow-lg: 0 10px 15px -3px rgb(255 255 255 / 0.12), 0 4px 6px -4px rgb(255 255 255 / 0.12);
  --shadow-xl: 0 20px 25px -5px rgb(255 255 255 / 0.1), 0 8px 10px -6px rgb(255 255 255 / 0.1);

  --glass-bg: rgba(15, 23, 42, 0.55);
  --glass-border: rgba(255, 255, 255, 0.10);
  --page-bg-image: url('/background_dblue_gray.webp');
  --page-bg-size: clamp(140px, 15vw, 245px);
  --page-bg-repeat: repeat;
  --page-bg-position: center;
}

/* ---- Baseline ---------------------------------------------------------- */
html, body { height: 100%; }
html { -webkit-text-size-adjust: 100%; }
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  overflow-x: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  background-image: var(--page-bg-image);
  background-size: var(--page-bg-size) auto;
  background-position: var(--page-bg-position);
  background-repeat: var(--page-bg-repeat);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.5;
  /* Transition removed to prevent flash on page load */
  /* Users can still toggle theme, it will just switch instantly */
}

/* Optional: Enable smooth transitions for user-initiated theme toggles */
body.theme-transitions-enabled {
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* Optional background image (kept for compatibility) */
body.bg-image {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.06)),
    url("/background.png");
  background-size: cover, 320px auto;
  background-position: center center, center;
  background-repeat: no-repeat, repeat;
  background-attachment: fixed, scroll;
}
[data-theme="dark"] body.bg-image {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.45)),
    url("/background.png");
}

img, svg, video { max-width: 100%; height: auto; display: block; }

/* Account for fixed navbar */
body.page--flow { padding-top: var(--header-height); }

/* ---- Navigation / Headers --------------------------------------------- */
.app-header,
.admin-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: var(--blur);
}

.app-header .inner,
.admin-header {
  min-height: var(--header-height);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.app-header .inner {
  max-width: var(--max-width);
  margin: 0 auto;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--text-lg);
}

.logo {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.app-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.user-subnav-wrap {
  padding: var(--space-4) var(--space-6) 0;
}

.user-subnav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.user-subnav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 var(--space-4);
  border-radius: 999px;
  border: 1px solid var(--border-primary);
  background: color-mix(in srgb, var(--bg-primary) 76%, transparent);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.user-subnav-link:hover,
.user-subnav-link:focus-visible {
  color: var(--text-primary);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(96 165 250 / 0.16);
}

.user-subnav-link.is-active,
.user-subnav-link[aria-current="page"] {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
}
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-secondary);
}
.lang-option {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 32px;
  padding: 0 var(--space-2);
  text-decoration: none;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-secondary);
}
.lang-option + .lang-option {
  border-left: 1px solid var(--border-primary);
}
.lang-option.is-active {
  background: var(--accent);
  color: #fff;
}
.app-actions form { margin: 0; }
.app-actions .user-badge,
.app-actions .user-pill { order: 1; }
.app-actions #themeToggle { order: 2; }
.app-actions .app-logout { order: 3; }

.user-pill,
.user-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-primary);
  font-size: var(--text-sm);
  color: var(--text-primary);
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 18px;
  line-height: 1;
}
.theme-toggle:hover {
  background: var(--bg-tertiary);
  transform: scale(1.05);
}

/* ---- Typography -------------------------------------------------------- */
h1 { margin: 0; font-size: var(--text-3xl); line-height: 1.2; }
h2 { margin: 0; font-size: var(--text-xl); line-height: 1.25; }
h3 { margin: 0; font-size: var(--text-lg); line-height: 1.3; }
p { margin: 0; }
.muted { color: var(--text-secondary); }
.hint { color: var(--text-secondary); font-size: var(--text-sm); }

/* Vertical rhythm helpers */
.stack > * + * { margin-top: var(--space-4); }
.stack-sm > * + * { margin-top: var(--space-3); }
.stack-lg > * + * { margin-top: var(--space-6); }

/* ---- Layout ------------------------------------------------------------ */
.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-6);
}

.wrapper {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-6);
}

.container-md { max-width: 640px; width: 100%; margin: 0 auto; }
.container-lg { max-width: 1100px; width: 100%; margin: 0 auto; }
.center-page {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
}

.grid { display: grid; gap: var(--space-6); }
.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 768px) {
  .grid-cols-2, .grid-cols-3, .grid-cols-4 { grid-template-columns: 1fr; }
  .main-content, .wrapper { padding: var(--space-4); }
}

.split { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-6); }
@media (min-width: 640px) { .split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }

/* ---- Cards ------------------------------------------------------------- */
.card,
.page-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.login {
  max-width: 520px;
  width: min(520px, 100%);
  margin: var(--space-10) auto;
  padding: var(--space-6);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-secondary);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.card-header .card-title {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.card-header .greet { color: var(--text-secondary); font-weight: 600; font-size: var(--text-base); }

.card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-primary);
}

.card-icon {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.card--warning {
  border-left: 4px solid var(--warning);
  background: linear-gradient(0deg, transparent, transparent), var(--bg-primary);
}

/* Language indicator (admin pages) */
#langToggle {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.lang-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
  font-weight: 800;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
}

/* ---- Buttons ----------------------------------------------------------- */
.btn,
button,
input[type="submit"],
input[type="button"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  background: var(--accent);
  color: white;
  -webkit-appearance: none;
  appearance: none;
}

.btn:hover,
button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn:active,
button:active,
input[type="submit"]:active,
input[type="button"]:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.btn:focus-visible,
button:focus-visible,
input[type="submit"]:focus-visible,
input[type="button"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-sm { padding: var(--space-2) var(--space-3); min-height: 36px; font-size: var(--text-sm); }
.btn-block { width: 100%; }

.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-primary);
  box-shadow: none;
}
.btn-secondary:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-primary);
  box-shadow: none;
}
.btn-outline:hover { background: var(--bg-secondary); box-shadow: none; }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: color-mix(in srgb, var(--danger) 85%, black); }

.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: color-mix(in srgb, var(--success) 85%, black); }

.btn-dark {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-primary);
}
.btn-dark:hover { background: var(--bg-secondary); }

.btn-authentik { background: var(--ak); color: white; }
.btn-authentik:hover { background: var(--ak-hover); }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ---- Forms ------------------------------------------------------------- */
label { display: block; font-size: var(--text-sm); font-weight: 600; color: var(--text-secondary); }

input[type="text"],
input[type="password"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-2);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius);
  background: var(--bg-primary);
  color: var(--text-primary);
  font: inherit;
  transition: var(--transition);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid transparent;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.25);
}

.form-row > * + * { margin-top: var(--space-2); }
.form-row-group { display: grid; grid-template-columns: 1fr; gap: var(--space-4); }
@media (min-width: 820px) { .form-row-group { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

fieldset {
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
}
legend { padding: 0 var(--space-2); font-weight: 700; color: var(--text-primary); }

.checkbox-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.checkbox-group input[type="checkbox"] { width: 18px; height: 18px; }
.checkbox-group label { margin: 0; font-weight: 600; color: var(--text-primary); }

/* ---- Status Cards / Badges / Progress --------------------------------- */
.status-card { text-align: center; }
.status-value { font-size: var(--text-4xl); font-weight: 800; margin-bottom: var(--space-2); }
.status-label { color: var(--text-secondary); font-size: var(--text-sm); }
.status-connected .status-value { color: var(--success); }
.status-disconnected .status-value { color: var(--danger); }
.status-warning .status-value { color: var(--warning); }

.progress {
  width: 100%;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-primary);
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--success));
  transition: width 0.3s ease;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius);
  font-size: var(--text-xs);
  font-weight: 700;
  border: 1px solid transparent;
}
.badge-success { background: var(--success-bg); color: var(--success); border-color: color-mix(in srgb, var(--success) 25%, transparent); }
.badge-warning { background: var(--warning-bg); color: var(--warning); border-color: color-mix(in srgb, var(--warning) 25%, transparent); }
.badge-danger { background: var(--danger-bg); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 25%, transparent); }

/* ---- Notices ----------------------------------------------------------- */
.ok, .err {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  border: 1px solid transparent;
}
.ok { background: var(--success-bg); color: var(--success); border-color: color-mix(in srgb, var(--success) 25%, transparent); }
.err { background: var(--danger-bg); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 25%, transparent); }

/* ---- Config tiles (legacy dashboard markup) ---------------------------- */
.cfg {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  background: var(--bg-primary);
  transition: var(--transition);
}
.cfg + .cfg { margin-top: var(--space-4); }
.cfg:hover { border-color: var(--border-secondary); box-shadow: var(--shadow-md); }
.cfg[aria-current="true"] { border-color: var(--accent); box-shadow: 0 0 0 3px rgb(59 130 246 / 0.18); }

.cfg .cfg-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--success));
}
.cfg .cfg-main > * + * { margin-top: var(--space-2); }
.cfg-list { display: grid; grid-template-columns: 1fr; gap: var(--space-4); }
.cfg-list--dense .cfg { padding: var(--space-3); }
.cfg-list--dense .cfg .cfg-icon { width: 36px; height: 36px; }

.cfg.cfg--link { text-decoration: none; color: inherit; cursor: pointer; }
.cfg.cfg--link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.qr-figure { margin: 0; display: flex; flex-direction: column; gap: var(--space-3); align-items: center; }
.qr-thumb {
  width: 260px;
  max-width: 100%;
  height: auto;
  border: 2px solid var(--border-primary);
  border-radius: var(--radius);
  background: var(--bg-primary);
  cursor: zoom-in;
}
.qr-caption { font-size: var(--text-xs); color: var(--text-tertiary); font-weight: 700; }

code {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* ---- Stepper ----------------------------------------------------------- */
.stepper {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-3) 0 var(--space-6);
  flex-wrap: wrap;
}
.stepper .step {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  cursor: pointer;
}
.stepper .dot {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-primary);
  color: var(--text-secondary);
  font-weight: 800;
  font-size: var(--text-sm);
  background: var(--bg-primary);
}
.stepper .step.active { color: var(--text-primary); }
.stepper .step.active .dot { border-color: var(--accent); color: var(--accent); }
.stepper .step.done { color: var(--text-primary); }
.stepper .step.done .dot { background: var(--accent); border-color: var(--accent); color: white; }
.stepper .sep { flex: 0 0 28px; height: 2px; background: var(--border-primary); border-radius: 999px; }

/* ---- Expanders / Dividers --------------------------------------------- */
.divider {
  border: 0;
  border-top: 1px solid var(--border-primary);
  margin: var(--space-4) 0;
}

.expander {
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  background: var(--bg-primary);
  overflow: hidden;
}
.expander > summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.expander > summary::-webkit-details-marker { display: none; }
.expander[open] > summary { border-bottom: 1px solid var(--border-primary); }
.expander .chev { transition: transform 0.15s ease; }
.expander[open] .chev { transform: rotate(90deg); }
.expander .expander-body { padding: var(--space-4); }

/* ---- Store badges ------------------------------------------------------ */
.store-link { display: inline-block; line-height: 0; }
.store-badge { height: 44px; width: auto; display: block; }
@media (min-width: 520px) { .store-badge { height: 48px; } }

/* ---- Hiddify platform links ------------------------------------------- */
.hiddify-downloads {
  margin-top: var(--space-8);
}

.hiddify-qr-figure {
  margin-top: var(--space-6);
}

.hiddify-platform-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.hiddify-platform-link {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--text-primary);
  min-width: 76px;
}

.hiddify-platform-icon {
  width: 64px;
  height: 64px;
  border-radius: 999px;
  border: 1px solid var(--border-primary);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.hiddify-platform-icon svg {
  width: 28px;
  height: 28px;
}

.hiddify-platform-link:hover .hiddify-platform-icon,
.hiddify-platform-link:focus-visible .hiddify-platform-icon {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 0 3px rgb(96 165 250 / 0.2);
  transform: translateY(-1px);
}

.hiddify-platform-name {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 700;
}

.hiddify-onboarding-summary {
  margin-top: var(--space-2);
}

.hiddify-onboarding-qr-wrap {
  display: flex;
  justify-content: center;
}

.hiddify-onboarding-qr {
  width: min(220px, 100%);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  background: #fff;
  padding: var(--space-2);
}

.hiddify-platform-tabs {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hiddify-step-list,
.hiddify-troubles-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--text-primary);
}

.hiddify-step-list li + li,
.hiddify-troubles-list li + li {
  margin-top: var(--space-2);
}

/* ---- Lightbox ---------------------------------------------------------- */
.lb {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}
.lb.hidden { display: none; }
.lb img {
  max-width: 520px;
  max-height: 90vh;
  width: 100%;
  height: auto;
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-3);
  border: 1px solid var(--border-primary);
}
.lb .lb-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--border-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  line-height: 1;
  box-shadow: var(--shadow-md);
}
.lb .lb-close:hover { background: var(--bg-secondary); }

/* ---- Modal (Easy Wizard) ----------------------------------------------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2500;
  display: grid;
  place-items: center;
  padding: var(--space-6);
}
.modal.hidden { display: none; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}
.modal-panel {
  position: relative;
  width: min(980px, 100%);
  max-height: calc(100vh - var(--space-12));
  overflow: auto;
  z-index: 1;
}

.wizard-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}
.wizard-step {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-primary);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 800;
  cursor: pointer;
  transition: var(--transition);
}
.wizard-step:hover { background: var(--bg-tertiary); }
.wizard-step.active {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border-primary));
  box-shadow: 0 0 0 3px rgb(96 165 250 / 0.22);
}
.wizard-pane.hidden { display: none; }

.wizard-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.wizard-spacer { flex: 1 1 auto; }
.wizard-actions.hidden { display: none; }
.wizard-steps.hidden { display: none; }

@media (max-width: 520px) {
  .wizard-spacer { display: none; }
  .wizard-actions > .btn { flex: 1 1 auto; }
}

/* ---- Tables ------------------------------------------------------------ */
.table-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { border-bottom: 1px solid var(--border-primary); padding: var(--space-3); text-align: left; vertical-align: top; }
.tbl th { color: var(--text-secondary); font-weight: 700; }

/* ---- Toasts ------------------------------------------------------------ */
.toast {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 3000;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg);
}
.toast--ok { background: var(--success-bg); color: var(--success); border-color: color-mix(in srgb, var(--success) 25%, transparent); }
.toast--err { background: var(--danger-bg); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 25%, transparent); }

/* ---- Post-login choice cards ------------------------------------------ */
.choice {
  text-align: center;
  padding: var(--space-6);
  border: 1px dashed var(--border-primary);
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.02);
  transition: var(--transition);
}
.choice:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}
.choice .choice-icon { font-size: 42px; line-height: 1; }

/* ---- Tools page -------------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  padding: 0 var(--space-3);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, var(--bg-secondary));
  color: var(--accent);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tools-hero {
  overflow: hidden;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 18%, transparent) 0, transparent 42%),
    radial-gradient(circle at bottom left, color-mix(in srgb, var(--success) 14%, transparent) 0, transparent 45%),
    var(--bg-primary);
}

.tools-grid {
  align-items: start;
}

.tools-onboarding {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent 55%),
    var(--bg-primary);
}

.tools-step-grid {
  display: grid;
  gap: var(--space-4);
}

.tools-step-card {
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-primary);
  background: color-mix(in srgb, var(--bg-secondary) 72%, transparent);
}

.tools-step-index {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
}

.tools-server-banner {
  padding: var(--space-5);
  border-radius: var(--radius-2xl);
  border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--border-primary));
  background:
    radial-gradient(circle at right top, color-mix(in srgb, var(--accent) 18%, transparent) 0, transparent 40%),
    color-mix(in srgb, var(--bg-accent) 34%, var(--bg-primary));
}

.tools-server-value {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.tools-server-value code {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--border-primary));
  background: var(--bg-primary);
  font-size: var(--text-sm);
  font-weight: 700;
}

.tools-app-grid {
  display: grid;
  gap: var(--space-4);
}

.tool-panel {
  padding: var(--space-5);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-2xl);
  background: color-mix(in srgb, var(--bg-secondary) 78%, transparent);
}

.tool-card-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
}

.tool-card-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-xl);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--success));
  box-shadow: var(--shadow-md);
}

.tool-card-icon--accent {
  background: linear-gradient(135deg, #0f766e, #0891b2);
}

.tool-action-grid {
  gap: var(--space-4);
}

.info-grid {
  display: grid;
  gap: var(--space-4);
}

.info-box {
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
}

.tool-list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: var(--space-2);
  color: var(--text-secondary);
}

.tool-list li {
  line-height: 1.45;
}

.tool-list:not(.tool-list--ordered) {
  list-style: disc;
}

.tool-list--ordered {
  list-style: decimal;
}

.shell-hint {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  border: 1px dashed var(--border-secondary);
  background: color-mix(in srgb, var(--bg-primary) 82%, transparent);
}

.field-grid {
  display: grid;
  gap: var(--space-4);
}

.field-grid label > span:first-child,
.role-toggle legend,
.info-box h4 {
  font-size: var(--text-sm);
  font-weight: 800;
}

.role-toggle {
  margin: 0;
  padding: 0;
  border: 0;
}

.role-toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.role-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.role-chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.role-chip span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 var(--space-4);
  border-radius: 999px;
  border: 1px solid var(--border-primary);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.role-chip input:checked + span {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  box-shadow: 0 0 0 3px rgb(96 165 250 / 0.16);
}

.tool-result {
  padding: var(--space-5);
  border-radius: var(--radius-2xl);
  border: 1px solid color-mix(in srgb, var(--success) 28%, var(--border-primary));
  background: color-mix(in srgb, var(--success-bg) 62%, var(--bg-primary));
}

.result-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--success);
  font-size: var(--text-sm);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.result-label::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: currentColor;
}

.result-link {
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-primary);
  background: var(--bg-primary);
  font-size: var(--text-sm);
  word-break: break-word;
}

.qr-block {
  align-items: flex-start;
}

.qr-surface {
  padding: var(--space-3);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-2xl);
  background: #fff;
  cursor: zoom-in;
  box-shadow: var(--shadow-md);
}

.qr-surface img {
  width: min(280px, 100%);
  height: auto;
  display: block;
}

@media (min-width: 900px) {
  .tools-step-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .tools-app-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---- Utilities --------------------------------------------------------- */
.mt-8 { margin-top: var(--space-2); }
.mt-12 { margin-top: var(--space-3); }
.mt-16 { margin-top: var(--space-4); }
.mt-24 { margin-top: var(--space-6); }
.mt-4 { margin-top: var(--space-2); }
.mb-12 { margin-bottom: var(--space-6); }
.center { text-align: center; }
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.hidden { display: none; }
.row { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; }
.row > * { min-width: 0; }
.justify-between { justify-content: space-between; }
.items-start { align-items: flex-start; }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.flex-1 { flex: 1 1 auto; min-width: 0; }
.flex-grow { flex: 1 1 auto; }
.min-w-0 { min-width: 0; }
.m-0 { margin: 0; }
.mb-32 { margin-bottom: var(--space-8); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.span-2 { grid-column: span 2; }
.no-underline { text-decoration: none; }
.ml-2 { margin-left: var(--space-2); }
.font-700 { font-weight: 700; }
.expander-minw { min-width: 260px; }

.qr-unavailable {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-6);
}

.activity-item {
  font-size: var(--text-sm);
  padding: var(--space-3);
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border-primary);
}

.form-inline {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.form-inline > input[type="text"] { flex: 1 1 240px; min-width: 0; margin-top: 0; }
.form-inline > button,
.form-inline > .btn { margin-top: 0; }

/* Accessibility helpers */
.sr-only,
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Safe Areas / Mobile */
@supports (padding: max(0px)) {
  body {
    padding-left: max(0px, env(safe-area-inset-left));
    padding-right: max(0px, env(safe-area-inset-right));
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Responsive tweaks */
@media (max-width: 520px) {
  .brand .title { display: none; }
  .user-pill { display: none; }
  .app-header .inner { padding: var(--space-4); }
  .user-subnav-wrap { padding: var(--space-4) var(--space-4) 0; }
  .user-subnav { gap: var(--space-2); }
  .user-subnav-link {
    flex: 1 1 calc(50% - var(--space-2));
    min-width: 0;
  }
  .qr-thumb { width: 200px; }
  .btn-row { flex-direction: column; }
}

@media (max-width: 380px) {
  .qr-thumb { width: 170px; }
}