/* ================================================================
   Modern SaaS Design System — Dark Mode
   Brand: Ship software peacefully
   Primary: #7C3AED | Font: IBM Plex Serif + JetBrains Mono
   Style: Clean dark, editorial — Vercel / Linear / Raycast quality
   ================================================================ */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Serif:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-base:      #0D1117;
  --bg-card:      #161B22;
  --bg-elevated:  #1C2330;
  --bg-hover:     #1F2937;

  /* Borders */
  --border:       #30363D;
  --border-hi:    #484F58;

  /* Text */
  --text-1:       #E6EDF3;
  --text-2:       #8B949E;
  --text-3:       #6E7681;

  /* Brand / accent */
  --primary:      #A78BFA;
  --primary-hover:#C4B5FD;
  --primary-light:rgba(167,139,250,.12);
  --primary-ring: rgba(167,139,250,.25);

  /* Semantic colors */
  --success:      #3FB950;
  --success-bg:   rgba(63,185,80,.1);
  --warning:      #D29922;
  --warning-bg:   rgba(210,153,34,.1);
  --danger:       #F85149;
  --danger-bg:    rgba(248,81,73,.1);
  --info:         #58A6FF;
  --info-bg:      rgba(88,166,255,.1);

  /* Legacy aliases — keeps existing PHP unchanged */
  --blue:         #A78BFA;
  --cyan:         #7C3AED;
  --blue-dark:    #7C3AED;
  --cyan-dark:    #6D28D9;
  --green:        #3FB950;
  --amber:        #D29922;
  --red:          #F85149;
  --grad:         linear-gradient(135deg, #7C3AED 0%, #A78BFA 100%);
  --grad-soft:    linear-gradient(135deg, rgba(124,58,237,.15) 0%, rgba(167,139,250,.1) 100%);
  --glow-blue:    0 0 0 3px rgba(167,139,250,.2);
  --glow-cyan:    0 0 0 3px rgba(124,58,237,.2);
  --shadow:       0 1px 3px rgba(0,0,0,.4), 0 1px 2px rgba(0,0,0,.3);
  --shadow-sm:    0 1px 2px rgba(0,0,0,.3);
  --shadow-md:    0 4px 12px rgba(0,0,0,.4), 0 2px 4px rgba(0,0,0,.3);
  --shadow-lg:    0 8px 24px rgba(0,0,0,.5), 0 4px 8px rgba(0,0,0,.3);

  /* Radii */
  --r:     10px;
  --r-sm:  7px;
  --r-xs:  5px;
  --r-lg:  14px;

  /* Spacing */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  24px;
  --sp-6:  32px;

  /* Muted alias */
  --muted: #6E7681;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-base);
  color: var(--text-1);
  line-height: 1.6;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: 'IBM Plex Serif', Georgia, serif;
  line-height: 1.25;
  font-weight: 600;
  color: var(--text-1);
}
h1 { font-size: 28px; }
h2 { font-size: 22px; }
h3 { font-size: 18px; }
h4 { font-size: 16px; }
p  { color: var(--text-2); line-height: 1.65; }
a  { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); text-decoration: underline; }
code, pre, .mono, .font-mono {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-hi); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ── Selection ──────────────────────────────────────────────── */
::selection { background: rgba(167,139,250,.3); color: var(--primary-hover); }

/* ================================================================
   CARDS
   ================================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: var(--sp-5);
  box-shadow: var(--shadow);
}
.card-elevated {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: var(--sp-5);
  box-shadow: var(--shadow-md);
}

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--r-sm);
  font-size: 13.5px;
  font-weight: 500;
  font-family: 'IBM Plex Sans', sans-serif;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .15s, border-color .15s, box-shadow .15s, color .15s, transform .1s;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
  letter-spacing: .01em;
  outline: none;
}
.btn:focus-visible {
  box-shadow: 0 0 0 3px var(--primary-ring);
}
.btn:active { transform: translateY(1px); }

/* Primary */
.btn-primary {
  background: #7C3AED;
  color: #fff;
  border-color: #7C3AED;
}
.btn-primary:hover {
  background: #6D28D9;
  border-color: #6D28D9;
  color: #fff;
  box-shadow: 0 0 0 3px rgba(124,58,237,.25);
  text-decoration: none;
}

/* Secondary */
.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-1);
  border-color: var(--border);
}
.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--border-hi);
  color: var(--text-1);
  text-decoration: none;
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: var(--bg-elevated);
  color: var(--text-1);
  border-color: var(--border-hi);
  text-decoration: none;
}

/* Danger */
.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--border);
}
.btn-danger:hover {
  background: var(--danger-bg);
  border-color: rgba(248,81,73,.4);
  text-decoration: none;
}

/* Inline link-style */
.btn-inline {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: var(--r-sm);
  font-size: 13px;
  cursor: pointer;
}
.btn-inline:hover { color: var(--text-1); border-color: var(--border-hi); }

/* Sizes */
.btn-lg { padding: 11px 24px; font-size: 15px; border-radius: var(--r); }
.btn-sm { padding: 6px 13px; font-size: 12.5px; }
.btn-xs { padding: 4px 10px; font-size: 11.5px; border-radius: var(--r-xs); }

/* ================================================================
   ADMIN SOFT BUTTONS
   ================================================================ */
.btn-soft {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 7px 14px; border-radius: var(--r-sm);
  font-size: 12.5px; font-weight: 500; cursor: pointer;
  border: 1px solid var(--border); background: var(--bg-elevated);
  color: var(--text-2); transition: all .15s; white-space: nowrap;
  text-decoration: none;
}
.btn-soft:hover { color: var(--text-1); border-color: var(--border-hi); background: var(--bg-hover); text-decoration: none; }
.btn-soft.primary { color: var(--primary); border-color: rgba(167,139,250,.4); background: rgba(167,139,250,.1); }
.btn-soft.primary:hover { background: rgba(167,139,250,.18); }
.btn-soft.success { color: var(--success); border-color: rgba(63,185,80,.4); background: rgba(63,185,80,.1); }
.btn-soft.success:hover { background: rgba(63,185,80,.18); }
.btn-soft.warn    { color: var(--warning); border-color: rgba(210,153,34,.4); background: rgba(210,153,34,.1); }
.btn-soft.warn:hover    { background: rgba(210,153,34,.18); }
.btn-soft.danger  { color: var(--danger);  border-color: rgba(248,81,73,.4);  background: rgba(248,81,73,.1); }
.btn-soft.danger:hover  { background: rgba(248,81,73,.18); }
.btn-soft.btn-xs { padding: 3px 9px; font-size: 11px; border-radius: var(--r-xs); }
.btn-soft:disabled { opacity: .4; cursor: not-allowed; }

/* ================================================================
   BADGES
   ================================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 99px;
  font-size: 11.5px;
  font-weight: 500;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-green  { background: rgba(63,185,80,.12);   color: #4ADE80; border-color: rgba(63,185,80,.3); }
.badge-blue   { background: rgba(167,139,250,.12);  color: var(--primary); border-color: rgba(167,139,250,.3); }
.badge-amber  { background: rgba(210,153,34,.12);   color: #FCD34D; border-color: rgba(210,153,34,.3); }
.badge-red    { background: rgba(248,81,73,.12);    color: #FCA5A5; border-color: rgba(248,81,73,.3); }
.badge-gray   { background: var(--bg-elevated);     color: var(--text-2); border-color: var(--border); }

/* State-named badges (admin pages) */
.badge.active    { background: rgba(63,185,80,.12);  color: #4ADE80; border-color: rgba(63,185,80,.3); }
.badge.trial     { background: rgba(88,166,255,.12); color: #93C5FD; border-color: rgba(88,166,255,.3); }
.badge.pending   { background: rgba(88,166,255,.12); color: #93C5FD; border-color: rgba(88,166,255,.3); }
.badge.suspended, .badge.rejected { background: rgba(248,81,73,.12); color: #FCA5A5; border-color: rgba(248,81,73,.3); }
.badge.expired   { background: rgba(210,153,34,.12); color: #FCD34D; border-color: rgba(210,153,34,.3); }
.badge.approved  { background: rgba(63,185,80,.12);  color: #4ADE80; border-color: rgba(63,185,80,.3); }

/* ================================================================
   FORM ELEMENTS
   ================================================================ */
.field { margin-top: 16px; }
.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 6px;
}

/* Inputs */
.field input, .field select, .field textarea,
input.inp, select.inp, textarea.inp {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-1);
  font-size: 13.5px;
  font-family: 'IBM Plex Sans', sans-serif;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  line-height: 1.5;
}
.field input:hover, .field select:hover, .field textarea:hover,
input.inp:hover, select.inp:hover {
  border-color: var(--border-hi);
}
.field input:focus, .field select:focus, .field textarea:focus,
input.inp:focus, select.inp:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}
.field input::placeholder,
input.inp::placeholder { color: var(--text-3); }
.field textarea { min-height: 100px; resize: vertical; }
select option { background: var(--bg-elevated); color: var(--text-1); }

/* ================================================================
   NAVIGATION (app nav)
   ================================================================ */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.app-nav .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
  text-decoration: none;
  font-family: 'IBM Plex Serif', serif;
}
.brand-icon {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: var(--grad);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  font-family: 'IBM Plex Serif', serif;
  flex-shrink: 0;
}
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  padding: 5px 11px;
  border-radius: var(--r-sm);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  transition: color .15s, background .15s;
  text-decoration: none;
  position: relative;
}
.nav-links a:hover { color: var(--text-1); background: var(--bg-elevated); }
.nav-links a.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}

/* ================================================================
   ALERTS / FLASH
   ================================================================ */
.alert {
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.alert-success { background: rgba(63,185,80,.1);   border-color: rgba(63,185,80,.3);   color: #4ADE80; }
.alert-error   { background: rgba(248,81,73,.1);   border-color: rgba(248,81,73,.3);   color: #FCA5A5; }
.alert-warning { background: rgba(210,153,34,.1);  border-color: rgba(210,153,34,.3);  color: #FCD34D; }
.alert-info    { background: rgba(88,166,255,.1);  border-color: rgba(88,166,255,.3);  color: #93C5FD; }

/* ================================================================
   TABLES
   ================================================================ */
.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.tbl thead th {
  padding: 9px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-3);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.tbl tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text-2);
}
.tbl tbody tr:last-child td { border-bottom: none; }
.tbl tbody tr:hover td { background: var(--bg-hover); }

/* ================================================================
   MODAL
   ================================================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-box h2 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-1);
}
.modal-actions {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  justify-content: flex-end;
}

/* ================================================================
   STAT CARDS
   ================================================================ */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
  transition: border-color .15s, box-shadow .15s;
  box-shadow: var(--shadow);
}
.stat-card:hover {
  border-color: var(--border-hi);
  box-shadow: var(--shadow-md);
}
.stat-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad);
  opacity: .8;
}
.stat-val {
  font-size: 28px;
  font-weight: 700;
  font-family: 'IBM Plex Serif', serif;
  color: var(--primary);
  line-height: 1;
  -webkit-text-fill-color: unset;
  background: none;
}
.stat-lbl {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-3);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ================================================================
   SECTION HEADER
   ================================================================ */
.section-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 24px 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.section-hd h2 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: 'IBM Plex Sans', sans-serif;
}
.section-hd h2::before {
  content: '';
  display: block;
  width: 2px;
  height: 12px;
  background: var(--primary);
  border-radius: 2px;
}

/* ================================================================
   TOGGLE CARD
   ================================================================ */
.toggle-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  transition: border-color .15s;
  box-shadow: var(--shadow);
}
.toggle-card.danger-active {
  border-color: rgba(248,81,73,.4);
  background: rgba(248,81,73,.06);
}

/* ================================================================
   GLOW LINE / DIVIDER
   ================================================================ */
.glow-line {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

/* ================================================================
   CODE BLOCK
   ================================================================ */
.code-block {
  background: #0D1117;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  overflow: hidden;
}
.code-block code { word-break: break-all; color: var(--primary-hover); }

/* ================================================================
   SIDEBAR + APP SHELL
   ================================================================ */
.app-shell {
  display: grid;
  grid-template-columns: 236px 1fr;
  min-height: calc(100vh - 58px);
}
.sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 16px 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.sidebar-section-title {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-3);
  padding: 0 10px;
  margin: 16px 0 5px;
  font-family: 'IBM Plex Sans', sans-serif;
}
.sidebar-item {
  display: block;
  padding: 8px 11px;
  border-radius: var(--r-sm);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  transition: all .12s;
  margin-bottom: 1px;
  text-decoration: none;
  position: relative;
}
.sidebar-item:hover {
  color: var(--text-1);
  background: var(--bg-elevated);
  text-decoration: none;
}
.sidebar-item.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.sidebar-item .item-name { display: block; font-size: 13px; }
.sidebar-item .item-sub  { font-size: 11.5px; color: var(--text-3); margin-top: 1px; }

/* ================================================================
   STATUS & ONLINE DOTS
   ================================================================ */
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.status-dot.active  { background: var(--success); box-shadow: 0 0 0 2px rgba(63,185,80,.2); }
.status-dot.pending { background: var(--warning); }
.status-dot.error   { background: var(--danger); }

.online-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 5px;
  flex-shrink: 0;
}
.online-dot.on  { background: var(--success); box-shadow: 0 0 0 2px rgba(63,185,80,.2); }
.online-dot.off { background: var(--danger); }

/* ================================================================
   USAGE BARS
   ================================================================ */
.usage-bar-wrap  { margin-top: 10px; }
.usage-bar-row   { display: flex; align-items: center; gap: 10px; margin-bottom: 7px; }
.usage-bar-label { font-size: 11.5px; color: var(--text-2); width: 44px; flex-shrink: 0; }
.usage-bar-track {
  flex: 1; height: 6px;
  background: var(--bg-elevated);
  border-radius: 99px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.usage-bar-fill  { height: 100%; border-radius: 99px; transition: width .4s ease; }
.usage-bar-pct   { font-size: 11.5px; color: var(--text-2); width: 36px; text-align: right; flex-shrink: 0; }

/* ================================================================
   UTILITY
   ================================================================ */
.muted { color: var(--text-3); }
.stack-sm { display: flex; flex-direction: column; gap: 2px; }
.hidden { display: none !important; }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 768px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .sidebar.mobile-open {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 90;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
  }
}