/* ================================================================
   TezzCorp Calendar API — Premium Design System v2
   Rebuilt from scratch: pixel-perfect, fully responsive
   ================================================================ */

/* ── Google Fonts via @import ──────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── CSS Custom Properties ─────────────────────────────────── */
:root {
  /* Colors */
  --c-bg:        #080812;
  --c-bg1:       #0d0d1f;
  --c-bg2:       #12122a;
  --c-bg3:       #181835;
  --c-bg4:       #1e1e40;
  --c-accent:    #6366f1;
  --c-accent-h:  #4f46e5;
  --c-accent-lt: rgba(99,102,241,.12);
  --c-accent-bd: rgba(99,102,241,.3);
  --c-red:       #ef4444;
  --c-red-lt:    rgba(239,68,68,.12);
  --c-green:     #10b981;
  --c-green-lt:  rgba(16,185,129,.12);
  --c-yellow:    #f59e0b;
  --c-yellow-lt: rgba(245,158,11,.12);
  --c-blue:      #3b82f6;
  --c-blue-lt:   rgba(59,130,246,.12);
  --c-purple:    #8b5cf6;
  --c-pink:      #ec4899;
  --c-cyan:      #06b6d4;

  /* Text */
  --t-primary:   #f1f5f9;
  --t-secondary: #94a3b8;
  --t-muted:     #64748b;
  --t-disabled:  #334155;

  /* Borders */
  --b-subtle:    rgba(255,255,255,.06);
  --b-default:   rgba(255,255,255,.1);
  --b-strong:    rgba(255,255,255,.18);

  /* Shadows */
  --s-sm:  0 1px 3px rgba(0,0,0,.5), 0 1px 2px rgba(0,0,0,.4);
  --s-md:  0 4px 16px rgba(0,0,0,.6), 0 2px 8px rgba(0,0,0,.4);
  --s-lg:  0 10px 40px rgba(0,0,0,.7), 0 4px 16px rgba(0,0,0,.5);
  --s-xl:  0 20px 60px rgba(0,0,0,.8);
  --s-glow:0 0 24px rgba(99,102,241,.25);

  /* Layout */
  --nav-h:    60px;
  --sidebar-w:240px;
  --r-sm:     6px;
  --r-md:     10px;
  --r-lg:     14px;
  --r-xl:     20px;
  --r-full:   9999px;

  /* Typography */
  --ff:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ff-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* Transitions */
  --tr: all .2s cubic-bezier(.4,0,.2,1);
  --tr-fast: all .15s cubic-bezier(.4,0,.2,1);
  --tr-slow: all .35s cubic-bezier(.4,0,.2,1);
}

/* ── Reset ─────────────────────────────────────────────────── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; font-size:16px; -webkit-text-size-adjust:100%; }
body {
  background:var(--c-bg);
  color:var(--t-primary);
  font-family:var(--ff);
  line-height:1.6;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img    { max-width:100%; display:block; }
a      { color:var(--c-accent); text-decoration:none; transition:var(--tr-fast); }
a:hover{ color:var(--t-primary); }
button { cursor:pointer; font-family:var(--ff); }
input,select,textarea { font-family:var(--ff); }
ul,ol  { list-style:none; }
::selection { background:rgba(99,102,241,.35); color:#fff; }

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

/* ── Typography ────────────────────────────────────────────── */
h1 { font-size:clamp(2rem,5vw,4rem);   font-weight:800; line-height:1.1; letter-spacing:-.03em; }
h2 { font-size:clamp(1.5rem,3.5vw,2.5rem); font-weight:700; line-height:1.15; letter-spacing:-.02em; }
h3 { font-size:clamp(1.1rem,2.5vw,1.4rem); font-weight:600; line-height:1.3; letter-spacing:-.01em; }
h4 { font-size:1rem; font-weight:600; }
h5 { font-size:.875rem; font-weight:600; }
p  { color:var(--t-secondary); line-height:1.7; }
code {
  font-family:var(--ff-mono);
  font-size:.82em;
  background:var(--c-bg3);
  border:1px solid var(--b-subtle);
  color:var(--c-cyan);
  padding:2px 7px;
  border-radius:var(--r-sm);
}
pre {
  font-family:var(--ff-mono);
  font-size:.8125rem;
  line-height:1.75;
  background:var(--c-bg1);
  border:1px solid var(--b-subtle);
  border-radius:var(--r-lg);
  padding:20px 24px;
  overflow-x:auto;
  color:#c8d3f5;
}
pre code { background:none; border:none; padding:0; font-size:inherit; color:inherit; }
.c-kw  { color:#c792ea; }
.c-str { color:#c3e88d; }
.c-num { color:#f78c6c; }
.c-fn  { color:#82aaff; }
.c-cm  { color:#546e7a; font-style:italic; }
.c-pr  { color:#ffcb6b; }
.c-var { color:#89ddff; }

/* ── Layout Helpers ────────────────────────────────────────── */
.container    { width:100%; max-width:1200px; margin:0 auto; padding:0 24px; }
.container-sm { width:100%; max-width:860px;  margin:0 auto; padding:0 24px; }
.container-lg { width:100%; max-width:1440px; margin:0 auto; padding:0 24px; }
.flex        { display:flex; }
.flex-col    { flex-direction:column; }
.flex-wrap   { flex-wrap:wrap; }
.items-start { align-items:flex-start; }
.items-center{ align-items:center; }
.items-end   { align-items:flex-end; }
.justify-between { justify-content:space-between; }
.justify-center  { justify-content:center; }
.justify-end     { justify-content:flex-end; }
.gap-4  { gap:.25rem; }
.gap-8  { gap:.5rem; }
.gap-12 { gap:.75rem; }
.gap-16 { gap:1rem; }
.gap-20 { gap:1.25rem; }
.gap-24 { gap:1.5rem; }
.gap-32 { gap:2rem; }
.w-full { width:100%; }
.h-full { height:100%; }
.relative { position:relative; }
.absolute { position:absolute; }
.overflow-hidden { overflow:hidden; }
.text-center { text-align:center; }
.text-right  { text-align:right; }
.hidden      { display:none !important; }
.sr-only     { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }
.mt-auto { margin-top:auto; }
.ml-auto { margin-left:auto; }
.truncate { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* ── Grid System ───────────────────────────────────────────── */
.grid { display:grid; }
.grid-2  { grid-template-columns:repeat(2,1fr); }
.grid-3  { grid-template-columns:repeat(3,1fr); }
.grid-4  { grid-template-columns:repeat(4,1fr); }
.grid-auto-sm { grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); }
.grid-auto-md { grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); }
.grid-auto-lg { grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); }

/* ── Navbar ────────────────────────────────────────────────── */
.navbar {
  position:fixed; inset:0 0 auto 0; z-index:100;
  height:var(--nav-h);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 24px;
  background:rgba(8,8,18,.85);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  border-bottom:1px solid var(--b-subtle);
}
.nav-brand    { display:flex; align-items:center; gap:10px; }
.nav-logo     {
  width:32px; height:32px; border-radius:8px;
  background:linear-gradient(135deg,var(--c-accent),var(--c-purple));
  display:grid; place-items:center;
  font-size:14px; font-weight:800; color:#fff;
  flex-shrink:0; box-shadow:var(--s-glow);
}
.nav-title    { font-size:14px; font-weight:700; color:var(--t-primary); white-space:nowrap; }
.nav-subtitle { font-size:10px; font-weight:500; color:var(--t-muted); letter-spacing:.08em; text-transform:uppercase; margin-top:-1px; }
.nav-links    { display:flex; align-items:center; gap:2px; }
.nav-link     { padding:7px 14px; border-radius:var(--r-md); font-size:13.5px; font-weight:500; color:var(--t-secondary); transition:var(--tr-fast); }
.nav-link:hover  { color:var(--t-primary); background:var(--b-subtle); text-decoration:none; }
.nav-link.active { color:var(--t-primary); background:var(--c-accent-lt); }
.nav-actions  { display:flex; align-items:center; gap:8px; }
.hamburger    { display:none; flex-direction:column; gap:4.5px; padding:6px; background:none; border:none; }
.hamburger span { display:block; width:20px; height:1.5px; background:var(--t-secondary); border-radius:2px; transition:var(--tr); }
.mobile-nav   {
  display:none; position:fixed; top:var(--nav-h); left:0; right:0;
  background:var(--c-bg1); border-bottom:1px solid var(--b-subtle);
  padding:12px; flex-direction:column; gap:2px; z-index:99;
}
.mobile-nav.open { display:flex; }
.mobile-nav-link { padding:11px 16px; border-radius:var(--r-md); font-size:14px; font-weight:500; color:var(--t-secondary); }
.mobile-nav-link:hover { color:var(--t-primary); background:var(--b-subtle); text-decoration:none; }
.mobile-nav-divider { height:1px; background:var(--b-subtle); margin:6px 0; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:7px;
  padding:9px 20px; border-radius:var(--r-md);
  font-size:13.5px; font-weight:600; line-height:1; white-space:nowrap;
  border:1px solid transparent; transition:var(--tr-fast);
  cursor:pointer; text-decoration:none;
  -webkit-tap-highlight-color:transparent;
  user-select:none;
}
.btn:disabled { opacity:.45; pointer-events:none; cursor:not-allowed; }
.btn svg { width:15px; height:15px; flex-shrink:0; }

.btn-sm  { padding:6px 14px; font-size:12.5px; }
.btn-lg  { padding:12px 28px; font-size:15px; border-radius:var(--r-lg); }
.btn-xl  { padding:15px 36px; font-size:16px; border-radius:var(--r-lg); }
.btn-full{ width:100%; }
.btn-icon{ padding:8px; border-radius:var(--r-md); }

.btn-primary {
  background:var(--c-accent); color:#fff; border-color:var(--c-accent);
  box-shadow:0 2px 8px rgba(99,102,241,.3);
}
.btn-primary:hover { background:var(--c-accent-h); border-color:var(--c-accent-h); box-shadow:0 4px 16px rgba(99,102,241,.45); transform:translateY(-1px); }

.btn-secondary { background:var(--c-bg3); color:var(--t-primary); border-color:var(--b-default); }
.btn-secondary:hover { background:var(--c-bg4); border-color:var(--b-strong); }

.btn-outline { background:transparent; color:var(--c-accent); border-color:var(--c-accent-bd); }
.btn-outline:hover { background:var(--c-accent-lt); }

.btn-ghost { background:transparent; color:var(--t-secondary); border-color:var(--b-default); }
.btn-ghost:hover { color:var(--t-primary); background:var(--b-subtle); }

.btn-danger { background:var(--c-red-lt); color:var(--c-red); border-color:rgba(239,68,68,.25); }
.btn-danger:hover { background:var(--c-red); color:#fff; }

.btn-success { background:var(--c-green-lt); color:var(--c-green); border-color:rgba(16,185,129,.25); }
.btn-success:hover { background:var(--c-green); color:#fff; }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background:var(--c-bg2);
  border:1px solid var(--b-subtle);
  border-radius:var(--r-xl);
  overflow:hidden;
}
.card-hover { transition:var(--tr); }
.card-hover:hover { border-color:var(--b-default); transform:translateY(-2px); box-shadow:var(--s-md); }
.card-header { padding:20px 24px; border-bottom:1px solid var(--b-subtle); display:flex; align-items:center; justify-content:space-between; gap:12px; }
.card-body   { padding:24px; }
.card-footer { padding:16px 24px; border-top:1px solid var(--b-subtle); background:rgba(0,0,0,.2); }

/* ── Badges ────────────────────────────────────────────────── */
.badge {
  display:inline-flex; align-items:center; gap:5px;
  padding:3px 10px; border-radius:var(--r-full);
  font-size:11px; font-weight:600; letter-spacing:.03em;
}
.badge-accent  { background:var(--c-accent-lt); color:var(--c-accent); border:1px solid var(--c-accent-bd); }
.badge-green   { background:var(--c-green-lt);  color:var(--c-green);  border:1px solid rgba(16,185,129,.25); }
.badge-red     { background:var(--c-red-lt);    color:var(--c-red);    border:1px solid rgba(239,68,68,.25); }
.badge-yellow  { background:var(--c-yellow-lt); color:var(--c-yellow); border:1px solid rgba(245,158,11,.25); }
.badge-blue    { background:var(--c-blue-lt);   color:var(--c-blue);   border:1px solid rgba(59,130,246,.25); }
.badge-muted   { background:rgba(100,116,139,.12); color:var(--t-muted); border:1px solid rgba(100,116,139,.2); }
.badge-method-get  { background:rgba(16,185,129,.12); color:var(--c-green); border:1px solid rgba(16,185,129,.25); font-family:var(--ff-mono); font-size:10.5px; letter-spacing:.05em; }
.badge-method-post { background:var(--c-blue-lt); color:var(--c-blue); border:1px solid rgba(59,130,246,.25); font-family:var(--ff-mono); font-size:10.5px; }
.badge-method-del  { background:var(--c-red-lt);  color:var(--c-red);  border:1px solid rgba(239,68,68,.25);  font-family:var(--ff-mono); font-size:10.5px; }
.pulse-dot { width:6px; height:6px; border-radius:50%; background:currentColor; animation:pulseDot 2s infinite; flex-shrink:0; }
@keyframes pulseDot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(.7)} }

/* ── Forms ─────────────────────────────────────────────────── */
.form-group  { display:flex; flex-direction:column; gap:7px; }
.form-label  { font-size:13px; font-weight:500; color:var(--t-secondary); }
.form-label .req { color:var(--c-red); margin-left:3px; }
.form-row    { display:grid; grid-template-columns:1fr 1fr; gap:16px; }

.input {
  width:100%; padding:10px 14px;
  background:var(--c-bg3); border:1px solid var(--b-default);
  border-radius:var(--r-md); color:var(--t-primary);
  font-size:14px; font-family:var(--ff); line-height:1.5;
  outline:none; transition:var(--tr-fast);
  -webkit-appearance:none; appearance:none;
}
.input:hover   { border-color:var(--b-strong); }
.input:focus   { border-color:var(--c-accent); background:var(--c-bg4); box-shadow:0 0 0 3px rgba(99,102,241,.15); }
.input::placeholder { color:var(--t-disabled); }
.input.error   { border-color:var(--c-red); box-shadow:0 0 0 3px rgba(239,68,68,.12); }
.input-mono    { font-family:var(--ff-mono); font-size:13px; }
select.input   { cursor:pointer; }
textarea.input { resize:vertical; min-height:100px; }

.input-group         { position:relative; }
.input-group .input  { padding-right:44px; }
.input-suffix        {
  position:absolute; right:1px; top:1px; bottom:1px;
  display:flex; align-items:center; padding:0 12px;
  background:var(--c-bg3); border-left:1px solid var(--b-default);
  border-radius:0 var(--r-md) var(--r-md) 0;
  cursor:pointer; color:var(--t-muted); font-size:13px;
  transition:var(--tr-fast);
}
.input-suffix:hover { color:var(--t-primary); }

.form-error { font-size:12px; color:var(--c-red); display:flex; align-items:center; gap:4px; min-height:16px; }
.form-hint  { font-size:12px; color:var(--t-muted); }

/* ── OTP Inputs ────────────────────────────────────────────── */
.otp-row      { display:flex; gap:10px; justify-content:center; }
.otp-cell     {
  width:52px; height:58px; text-align:center;
  font-size:22px; font-weight:700; font-family:var(--ff-mono);
  background:var(--c-bg3); border:1.5px solid var(--b-default);
  border-radius:var(--r-lg); color:var(--t-primary);
  outline:none; transition:var(--tr-fast); -webkit-appearance:none;
}
.otp-cell:focus  { border-color:var(--c-accent); background:var(--c-bg4); box-shadow:0 0 0 3px rgba(99,102,241,.15); }
.otp-cell.filled { border-color:rgba(99,102,241,.5); }

/* ── Alerts ────────────────────────────────────────────────── */
.alert { padding:12px 16px; border-radius:var(--r-md); font-size:13.5px; display:flex; align-items:flex-start; gap:10px; border:1px solid; line-height:1.5; }
.alert-info    { background:var(--c-blue-lt);   color:#93c5fd; border-color:rgba(59,130,246,.25); }
.alert-success { background:var(--c-green-lt);  color:#6ee7b7; border-color:rgba(16,185,129,.25); }
.alert-warning { background:var(--c-yellow-lt); color:#fcd34d; border-color:rgba(245,158,11,.25); }
.alert-danger  { background:var(--c-red-lt);    color:#fca5a5; border-color:rgba(239,68,68,.25); }
.alert-icon    { font-size:15px; flex-shrink:0; margin-top:1px; }
.alert strong  { font-weight:600; }

/* ── Tables ────────────────────────────────────────────────── */
.table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }
table { width:100%; border-collapse:collapse; }
thead th { padding:10px 16px; font-size:11px; font-weight:600; text-transform:uppercase; letter-spacing:.06em; color:var(--t-muted); border-bottom:1px solid var(--b-subtle); text-align:left; white-space:nowrap; }
tbody td { padding:14px 16px; font-size:13.5px; color:var(--t-secondary); border-bottom:1px solid rgba(255,255,255,.03); vertical-align:middle; }
tbody tr:last-child td { border-bottom:none; }
tbody tr:hover td { background:rgba(255,255,255,.02); }
tbody tr:hover td:first-child { border-radius:var(--r-sm) 0 0 var(--r-sm); }
tbody tr:hover td:last-child  { border-radius:0 var(--r-sm) var(--r-sm) 0; }

/* ── Code Block ────────────────────────────────────────────── */
.code-block  { background:var(--c-bg1); border:1px solid var(--b-subtle); border-radius:var(--r-lg); overflow:hidden; }
.code-block-bar { display:flex; align-items:center; padding:10px 16px; background:rgba(255,255,255,.03); border-bottom:1px solid var(--b-subtle); gap:8px; }
.mac-btn     { width:12px; height:12px; border-radius:50%; }
.mac-btn:nth-child(1){background:#ff5f57}
.mac-btn:nth-child(2){background:#febc2e}
.mac-btn:nth-child(3){background:#28c840}
.code-label  { margin-left:auto; font-size:11px; font-family:var(--ff-mono); color:var(--t-muted); }
.code-block pre { border:none; border-radius:0; padding:20px 24px; }

/* ── Tabs ──────────────────────────────────────────────────── */
.tab-list  { display:flex; gap:0; border-bottom:1px solid var(--b-subtle); overflow-x:auto; -webkit-overflow-scrolling:touch; }
.tab-btn   { padding:11px 18px; font-size:13px; font-weight:500; color:var(--t-muted); background:none; border:none; border-bottom:2px solid transparent; cursor:pointer; transition:var(--tr-fast); white-space:nowrap; }
.tab-btn:hover  { color:var(--t-secondary); }
.tab-btn.active { color:var(--t-primary); border-bottom-color:var(--c-accent); }
.tab-panel { display:none; }
.tab-panel.active { display:block; }

/* ── Progress / Usage Bar ──────────────────────────────────── */
.progress    { background:var(--c-bg3); border-radius:var(--r-full); overflow:hidden; }
.progress-bar { height:100%; border-radius:var(--r-full); transition:width .5s ease; }
.prog-green  { background:linear-gradient(90deg,var(--c-green),#34d399); }
.prog-yellow { background:linear-gradient(90deg,var(--c-yellow),#fbbf24); }
.prog-red    { background:linear-gradient(90deg,var(--c-red),#f87171); }
.prog-accent { background:linear-gradient(90deg,var(--c-accent),var(--c-purple)); }

/* ── Toast ─────────────────────────────────────────────────── */
#toast-container {
  position:fixed; bottom:24px; right:24px; z-index:9999;
  display:flex; flex-direction:column; gap:8px; pointer-events:none;
  max-width:min(380px,calc(100vw - 32px));
}
.toast {
  display:flex; align-items:flex-start; gap:12px;
  padding:14px 18px; border-radius:var(--r-lg);
  background:var(--c-bg3); border:1px solid var(--b-strong);
  box-shadow:var(--s-lg); color:var(--t-primary); font-size:13.5px; line-height:1.5;
  pointer-events:auto;
  transform:translateX(calc(100% + 32px)); opacity:0;
  transition:all .3s cubic-bezier(.34,1.56,.64,1);
}
.toast.in  { transform:translateX(0); opacity:1; }
.toast.out { transform:translateX(calc(100% + 32px)); opacity:0; }
.toast-icon { font-size:16px; flex-shrink:0; }

/* ── Modal ─────────────────────────────────────────────────── */
.modal-overlay {
  position:fixed; inset:0; background:rgba(0,0,0,.75);
  backdrop-filter:blur(4px); z-index:500;
  display:none; align-items:center; justify-content:center; padding:20px;
}
.modal-overlay.open { display:flex; }
.modal-box {
  background:var(--c-bg2); border:1px solid var(--b-default);
  border-radius:var(--r-xl); width:100%; max-width:480px;
  box-shadow:var(--s-xl); animation:modalIn .25s cubic-bezier(.34,1.2,.64,1);
}
@keyframes modalIn { from { opacity:0; transform:scale(.95) translateY(8px); } to { opacity:1; transform:none; } }
.modal-head { padding:24px 28px 0; }
.modal-body { padding:24px 28px; }
.modal-foot { padding:0 28px 24px; display:flex; gap:10px; justify-content:flex-end; }

/* ── Spinner ───────────────────────────────────────────────── */
.spinner {
  display:inline-block; width:18px; height:18px;
  border:2px solid rgba(255,255,255,.15); border-top-color:#fff;
  border-radius:50%; animation:spin .6s linear infinite; flex-shrink:0;
}
.spinner-sm { width:14px; height:14px; }
.spinner-lg { width:28px; height:28px; border-width:3px; }
@keyframes spin { to { transform:rotate(360deg); } }

/* ── Steps ─────────────────────────────────────────────────── */
.steps         { display:flex; align-items:center; }
.step-item     { flex:1; display:flex; align-items:center; }
.step-icon     {
  width:30px; height:30px; border-radius:50%; flex-shrink:0;
  display:grid; place-items:center; font-size:12px; font-weight:700; z-index:1;
  background:var(--c-bg3); border:1.5px solid var(--b-default); color:var(--t-muted);
  transition:var(--tr);
}
.step-item.done   .step-icon { background:var(--c-green-lt); border-color:var(--c-green); color:var(--c-green); }
.step-item.active .step-icon { background:var(--c-accent-lt); border-color:var(--c-accent); color:var(--c-accent); }
.step-connector { flex:1; height:1.5px; background:var(--b-subtle); margin:0 8px; }
.step-item.done ~ .step-item .step-connector { background:var(--b-subtle); }

/* ── Section Helpers ───────────────────────────────────────── */
.section-eyebrow { font-size:11.5px; font-weight:700; text-transform:uppercase; letter-spacing:.1em; color:var(--c-accent); margin-bottom:10px; }
.section-divider { height:1px; background:var(--b-subtle); }

/* ── Stat Card ─────────────────────────────────────────────── */
.stat-card     { background:var(--c-bg2); border:1px solid var(--b-subtle); border-radius:var(--r-xl); padding:20px 24px; }
.stat-label    { font-size:11.5px; font-weight:600; text-transform:uppercase; letter-spacing:.07em; color:var(--t-muted); margin-bottom:10px; }
.stat-value    { font-size:2rem; font-weight:800; color:var(--t-primary); line-height:1; letter-spacing:-.03em; }
.stat-sub      { font-size:12px; color:var(--t-muted); margin-top:6px; }
.stat-icon     { width:40px; height:40px; border-radius:var(--r-md); display:grid; place-items:center; font-size:18px; }

/* ── Dashboard Sidebar ─────────────────────────────────────── */
.dash-wrapper { display:flex; min-height:calc(100vh - var(--nav-h)); padding-top:var(--nav-h); }
.dash-sidebar {
  width:var(--sidebar-w); flex-shrink:0;
  background:var(--c-bg1); border-right:1px solid var(--b-subtle);
  display:flex; flex-direction:column;
  position:sticky; top:var(--nav-h); height:calc(100vh - var(--nav-h));
  overflow-y:auto;
}
.dash-sidebar-inner { padding:20px 12px; flex:1; display:flex; flex-direction:column; }
.dash-nav-group     { font-size:10.5px; font-weight:700; text-transform:uppercase; letter-spacing:.1em; color:var(--t-muted); padding:16px 8px 6px; }
.dash-nav-link {
  display:flex; align-items:center; gap:10px; padding:9px 12px;
  border-radius:var(--r-md); font-size:13.5px; font-weight:500; color:var(--t-muted);
  background:none; border:none; width:100%; text-align:left; cursor:pointer;
  transition:var(--tr-fast); font-family:var(--ff); text-decoration:none;
}
.dash-nav-link:hover  { color:var(--t-primary); background:var(--b-subtle); text-decoration:none; }
.dash-nav-link.active { color:var(--t-primary); background:var(--c-accent-lt); }
.dash-nav-icon { width:17px; height:17px; flex-shrink:0; opacity:.7; }
.dash-nav-link.active .dash-nav-icon { opacity:1; }
.dash-sidebar-foot { padding:16px 12px; border-top:1px solid var(--b-subtle); }
.dash-user-info { padding:10px 12px; background:var(--c-bg2); border:1px solid var(--b-subtle); border-radius:var(--r-lg); margin-bottom:10px; }
.dash-user-name  { font-size:13px; font-weight:600; truncate; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.dash-user-email { font-size:11px; color:var(--t-muted); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.dash-main   { flex:1; overflow-x:hidden; }
.dash-content{ padding:32px; max-width:1100px; }
.dash-panel  { display:none; }
.dash-panel.active { display:block; }
.page-header { margin-bottom:28px; }
.page-header h2 { margin-bottom:4px; }
.page-header p  { font-size:14px; color:var(--t-muted); }

/* ── Key Card ──────────────────────────────────────────────── */
.key-item { background:var(--c-bg2); border:1px solid var(--b-subtle); border-radius:var(--r-xl); padding:20px 24px; transition:var(--tr); }
.key-item:hover { border-color:var(--b-default); }
.key-item-head  { display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-bottom:14px; }
.key-item-meta  { display:flex; flex-wrap:wrap; gap:12px; margin-top:12px; font-size:12px; color:var(--t-muted); }
.key-item-meta span { display:flex; align-items:center; gap:5px; }
.key-prefix-display { font-family:var(--ff-mono); font-size:13px; color:var(--t-muted); margin-top:3px; }

/* ── Bar Chart ─────────────────────────────────────────────── */
.bar-chart   { display:flex; gap:6px; align-items:flex-end; height:120px; padding-bottom:20px; position:relative; }
.bar-item    { flex:1; display:flex; flex-direction:column; align-items:center; gap:4px; min-width:0; }
.bar-fill    { width:100%; border-radius:4px 4px 0 0; background:linear-gradient(180deg,var(--c-accent),rgba(99,102,241,.4)); transition:height .5s; min-height:2px; }
.bar-label   { font-size:9px; color:var(--t-muted); text-align:center; transform:rotate(-45deg); transform-origin:center; white-space:nowrap; position:absolute; bottom:0; }

/* ── Footer ────────────────────────────────────────────────── */
.site-footer      { border-top:1px solid var(--b-subtle); padding:56px 24px 32px; margin-top:auto; }
.footer-grid      { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; max-width:1200px; margin:0 auto 48px; }
.footer-logo-wrap { display:flex; flex-direction:column; gap:12px; }
.footer-desc      { font-size:13.5px; color:var(--t-muted); line-height:1.7; max-width:280px; }
.footer-col h5    { font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.08em; color:var(--t-muted); margin-bottom:14px; }
.footer-links     { display:flex; flex-direction:column; gap:10px; }
.footer-links a   { font-size:13.5px; color:var(--t-muted); transition:var(--tr-fast); }
.footer-links a:hover { color:var(--t-primary); text-decoration:none; }
.footer-bottom    { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; max-width:1200px; margin:0 auto; padding-top:24px; border-top:1px solid var(--b-subtle); }
.footer-copy      { font-size:12.5px; color:var(--t-muted); }

/* ── Admin Panel ───────────────────────────────────────────── */
.admin-wrapper  { display:flex; min-height:100vh; }
.admin-sidebar  {
  width:var(--sidebar-w); background:var(--c-bg1); border-right:1px solid var(--b-subtle);
  display:flex; flex-direction:column; position:fixed; top:0; left:0; bottom:0; z-index:50;
}
.admin-logo     { display:flex; align-items:center; gap:10px; padding:20px 20px 16px; border-bottom:1px solid var(--b-subtle); }
.admin-main     { margin-left:var(--sidebar-w); flex:1; background:var(--c-bg); }
.admin-topbar   { height:60px; background:var(--c-bg1); border-bottom:1px solid var(--b-subtle); display:flex; align-items:center; justify-content:space-between; padding:0 28px; position:sticky; top:0; z-index:40; }
.admin-content  { padding:28px; }
.admin-panel    { display:none; }
.admin-panel.active { display:block; }

/* ── Utility Text ──────────────────────────────────────────── */
.text-xs    { font-size:11.5px; }
.text-sm    { font-size:13px; }
.text-base  { font-size:14px; }
.text-lg    { font-size:16px; }
.text-xl    { font-size:18px; }
.fw-500 { font-weight:500; }
.fw-600 { font-weight:600; }
.fw-700 { font-weight:700; }
.fw-800 { font-weight:800; }
.text-primary   { color:var(--t-primary); }
.text-secondary { color:var(--t-secondary); }
.text-muted     { color:var(--t-muted); }
.text-accent    { color:var(--c-accent); }
.text-green     { color:var(--c-green); }
.text-red       { color:var(--c-red); }
.text-yellow    { color:var(--c-yellow); }
.text-mono      { font-family:var(--ff-mono); }

/* ── Spacing Utilities ─────────────────────────────────────── */
.p-0  {padding:0}  .p-4  {padding:.25rem} .p-8  {padding:.5rem}
.p-12 {padding:.75rem} .p-16{padding:1rem} .p-20{padding:1.25rem} .p-24{padding:1.5rem}
.mt-4 {margin-top:.25rem} .mt-8{margin-top:.5rem} .mt-12{margin-top:.75rem}
.mt-16{margin-top:1rem}   .mt-20{margin-top:1.25rem} .mt-24{margin-top:1.5rem}
.mt-32{margin-top:2rem}   .mt-40{margin-top:2.5rem} .mt-48{margin-top:3rem}
.mb-4 {margin-bottom:.25rem} .mb-8{margin-bottom:.5rem} .mb-12{margin-bottom:.75rem}
.mb-16{margin-bottom:1rem}   .mb-20{margin-bottom:1.25rem} .mb-24{margin-bottom:1.5rem}
.mb-32{margin-bottom:2rem}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width:1024px) {
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .dash-content { padding:24px; }
}
@media (max-width:768px) {
  .nav-links { display:none; }
  .nav-actions .btn-ghost { display:none; }
  .hamburger { display:flex; }
  .dash-wrapper { flex-direction:column; }
  .dash-sidebar { display:none; }
  .dash-content { padding:16px; }
  .form-row { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:24px; }
  .grid-3 { grid-template-columns:1fr 1fr; }
  .grid-4 { grid-template-columns:1fr 1fr; }
  .admin-sidebar { display:none; }
  .admin-main { margin-left:0; }
  .admin-content { padding:16px; }
}
@media (max-width:560px) {
  .container, .container-sm, .container-lg { padding:0 16px; }
  .card-body { padding:16px; }
  .card-header { padding:14px 16px; }
  .otp-cell { width:42px; height:50px; font-size:18px; }
  .otp-row { gap:7px; }
  .footer-grid { grid-template-columns:1fr; gap:24px; }
  .grid-2,.grid-3,.grid-4 { grid-template-columns:1fr; }
  .dash-content { padding:12px; }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { transition-duration:.01ms !important; animation-duration:.01ms !important; }
}