@font-face {
  font-family: "Vazirmatn";
  src: url("/assets/fonts/Vazirmatn-Regular.woff2") format("woff2");
  font-weight: 400; font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("/assets/fonts/Vazirmatn-Medium.woff2") format("woff2");
  font-weight: 500 600; font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("/assets/fonts/Vazirmatn-Bold.woff2") format("woff2");
  font-weight: 700 900; font-display: swap;
}

:root {
  --accent: #4f7cff; --accent-2: #7c5cff; --accent-3: #34d1c2;
  --bg: #06070c; --glass: rgba(32,34,46,.46); --glass-strong: rgba(40,42,58,.62);
  --glass-border: rgba(255,255,255,.14); --glass-highlight: rgba(255,255,255,.5);
  --text: #f4f5f9; --text-dim: #9aa0b2; --danger: #ff6b6f; --ok: #34d399;
  --radius: 22px; --radius-sm: 14px;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.08);
  --nav-h: 60px; --tabbar-h: 62px;
  color-scheme: dark;
}
:root[data-theme="light"], :root:not([data-theme="dark"]):not([data-theme="light"]) {
  color-scheme: light;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #eef0f7; --glass: rgba(255,255,255,.5); --glass-strong: rgba(255,255,255,.72);
    --glass-border: rgba(255,255,255,.7); --glass-highlight: rgba(255,255,255,.9); --text: #14161c; --text-dim: #5b6072;
    --shadow: 0 20px 60px -24px rgba(31,41,80,.25), inset 0 1px 0 rgba(255,255,255,.7);
  }
}
:root[data-theme="light"] {
  --bg: #eef0f7; --glass: rgba(255,255,255,.5); --glass-strong: rgba(255,255,255,.72);
  --glass-border: rgba(255,255,255,.7); --glass-highlight: rgba(255,255,255,.9); --text: #14161c; --text-dim: #5b6072;
  --shadow: 0 20px 60px -24px rgba(31,41,80,.25), inset 0 1px 0 rgba(255,255,255,.7);
}
:root[data-theme="dark"] {
  --bg: #06070c; --glass: rgba(32,34,46,.46); --glass-strong: rgba(40,42,58,.62);
  --glass-border: rgba(255,255,255,.14); --glass-highlight: rgba(255,255,255,.5);
  --text: #f4f5f9; --text-dim: #9aa0b2;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.08);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font-family: Vazirmatn, -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, sans-serif; overflow-x: hidden; }
body { min-height: 100vh; display: flex; flex-direction: column; align-items: center;
  padding: calc(var(--nav-h) + 20px) 16px calc(var(--tabbar-h) + 20px); position: relative; transition: background .2s, color .2s; }
a { color: inherit; }

/* liquid background blobs */
.blob { position: fixed; border-radius: 50%; filter: blur(70px); opacity: .45; z-index: 0; pointer-events: none; }
.blob-1 { width: 380px; height: 380px; background: radial-gradient(circle, var(--accent), transparent 70%); top: -140px; right: -100px; animation: float1 16s ease-in-out infinite; }
.blob-2 { width: 320px; height: 320px; background: radial-gradient(circle, var(--accent-2), transparent 70%); bottom: -120px; left: -100px; animation: float2 20s ease-in-out infinite; }
.blob-3 { width: 260px; height: 260px; background: radial-gradient(circle, var(--accent-3), transparent 70%); top: 40%; left: 50%; opacity: .25; animation: float3 24s ease-in-out infinite; }
@keyframes float1 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-30px, 40px); } }
@keyframes float2 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(30px, -30px); } }
@keyframes float3 { 0%,100% { transform: translate(-50%,-50%) scale(1); } 50% { transform: translate(-50%,-50%) scale(1.15); } }

.wrap { width: 100%; max-width: 480px; position: relative; z-index: 1; }
.wrap-wide { max-width: 760px; }

/* ---------------- top nav ---------------- */
.topnav { position: fixed; top: 0; right: 0; left: 0; height: var(--nav-h); z-index: 50;
  display: flex; align-items: center; justify-content: space-between; padding: 0 18px;
  background: var(--glass-strong); backdrop-filter: blur(20px) saturate(180%); -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border); }
.topnav .brand { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 16px; text-decoration: none; color: var(--text); }
.topnav .brand .ic { font-size: 20px; }
.topnav .links { display: none; align-items: center; gap: 4px; }
.topnav .links a { text-decoration: none; color: var(--text-dim); font-size: 13px; font-weight: 600; padding: 8px 12px; border-radius: 10px; transition: background .15s, color .15s; }
.topnav .links a:hover, .topnav .links a.active { background: rgba(128,128,128,.14); color: var(--text); }
.topnav .right { display: flex; align-items: center; gap: 8px; }
.theme-toggle { width: 38px; height: 38px; border-radius: 12px; border: 1px solid var(--glass-border); background: var(--glass);
  display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 16px; color: var(--text); }
.hamburger { width: 38px; height: 38px; border-radius: 12px; border: 1px solid var(--glass-border); background: var(--glass);
  display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 18px; }
.nav-pro-btn { display: none; }

@media (min-width: 860px) {
  .topnav .links { display: flex; }
  .hamburger { display: none; }
  .nav-pro-btn { display: inline-flex; }
}

/* mobile drawer menu */
.drawer-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 90; opacity: 0; pointer-events: none; transition: opacity .2s; }
.drawer-backdrop.open { opacity: 1; pointer-events: auto; }
.drawer { position: fixed; top: 0; bottom: 0; right: -280px; width: 260px; z-index: 91; background: var(--glass-strong);
  backdrop-filter: blur(24px) saturate(180%); border-left: 1px solid var(--glass-border); padding: 20px 16px; transition: right .25s ease; }
.drawer.open { right: 0; }
.drawer a { display: block; padding: 12px 10px; border-radius: 10px; text-decoration: none; color: var(--text); font-size: 14px; font-weight: 600; }
.drawer a:hover, .drawer a.active { background: rgba(128,128,128,.14); }
.drawer .close-drawer { width: 34px; height: 34px; border-radius: 10px; border: 1px solid var(--glass-border); background: var(--glass);
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px; cursor: pointer; }

/* bottom tab bar (mobile) */
.tabbar { position: fixed; bottom: 0; right: 0; left: 0; height: var(--tabbar-h); z-index: 50; display: flex;
  background: var(--glass-strong); backdrop-filter: blur(20px) saturate(180%); border-top: 1px solid var(--glass-border); }
.tabbar a { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  text-decoration: none; color: var(--text-dim); font-size: 10.5px; font-weight: 700; }
.tabbar a .ic { font-size: 18px; }
.tabbar a.active { color: var(--accent); }
@media (min-width: 860px) { .tabbar { display: none; } body { padding-bottom: 24px; } }

/* ---------------- generic components ---------------- */
.card { background: var(--glass); backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); margin-bottom: 16px;
  position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent); opacity: .5; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 12px 20px; border-radius: 14px; border: none; font-weight: 700; font-size: 14px;
  cursor: pointer; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; text-decoration: none;
  box-shadow: 0 8px 20px -8px rgba(79,124,255,.6); transition: transform .15s, box-shadow .15s; font-family: inherit; }
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-block { display: flex; width: 100%; text-align: center; }
.btn-ghost { background: var(--glass); border: 1px solid var(--glass-border); color: var(--text); box-shadow: none; backdrop-filter: blur(14px); }
.btn-green { background: linear-gradient(135deg, #22c55e, #16a34a); box-shadow: 0 8px 20px -8px rgba(34,197,94,.6); }
.btn-danger { background: linear-gradient(135deg, #ef4444, #dc2626); box-shadow: 0 8px 20px -8px rgba(239,68,68,.6); }
.btn-sm { padding: 8px 14px; font-size: 12.5px; border-radius: 10px; }

.section-title { font-size: 13px; font-weight: 700; color: var(--text-dim); margin: 0 0 12px; display: flex; align-items: center; gap: 6px; }
.err { color: var(--danger); font-size: 13px; margin-top: 10px; display: none; }
.err.show { display: block; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; font-weight: 600; }
.field input[type=text], .field input[type=password], .field input[type=number], .field input[type=email], .field select, .field textarea {
  width: 100%; background: rgba(128,128,128,.1); border: 1px solid var(--glass-border); border-radius: 12px; padding: 10px 12px;
  color: var(--text); font-family: inherit; font-size: 13.5px; outline: none; }
.field textarea { resize: vertical; min-height: 90px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); }
.hint-sm { font-size: 11px; color: var(--text-dim); margin-top: 4px; }

/* Tabs */
.tabs { display: flex; gap: 6px; background: rgba(128,128,128,.1); border: 1px solid var(--glass-border); border-radius: 14px; padding: 4px; margin-bottom: 16px; }
.tabs button { flex: 1; border: none; background: none; padding: 10px 6px; border-radius: 10px; font-family: inherit; font-weight: 700;
  font-size: 12.5px; color: var(--text-dim); cursor: pointer; transition: background .15s, color .15s; }
.tabs button.active { background: var(--glass-strong); color: var(--text); box-shadow: 0 2px 10px -2px rgba(0,0,0,.3); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* advanced settings (collapsible) */
.adv-toggle { display: flex; align-items: center; justify-content: space-between; cursor: pointer; padding: 10px 2px;
  font-size: 12.5px; font-weight: 700; color: var(--text-dim); }
.adv-toggle .chev { transition: transform .2s; }
.adv-toggle.open .chev { transform: rotate(180deg); }
.adv-body { display: none; padding-top: 6px; }
.adv-body.open { display: block; }

/* progress */
.progress-wrap { margin-top: 14px; height: 8px; border-radius: 8px; background: rgba(128,128,128,.2); overflow: hidden; display: none; }
.progress-bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .15s; }
.progress-meta { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-dim); margin-top: 6px; }

/* result card */
.result { display: none; }
.result .row { display: flex; gap: 8px; align-items: center; background: rgba(128,128,128,.12); border: 1px solid var(--glass-border);
  border-radius: 12px; padding: 10px 12px; margin-top: 10px; }
.result .row input { flex: 1; background: none; border: none; color: var(--text); font-size: 12.5px; direction: ltr; text-align: left; outline: none; font-family: inherit; }
.result .meta { color: var(--text-dim); font-size: 12px; margin-top: 8px; }
.share-row { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.share-row .btn { flex: 1; font-size: 12px; padding: 9px 8px; min-width: 90px; }

/* dropzone */
.dropzone { border: 1.5px dashed var(--glass-border); border-radius: var(--radius-sm); padding: 38px 16px; text-align: center; cursor: pointer;
  transition: border-color .2s, background-color .2s, transform .15s; }
.dropzone:hover { transform: translateY(-1px); }
.dropzone.drag { border-color: var(--accent); background: rgba(79,124,255,.08); }
.dropzone .ic { font-size: 36px; margin-bottom: 10px; }
.dropzone .hint { color: var(--text-dim); font-size: 12.5px; margin-top: 6px; }
input[type=file] { display: none; }

/* badges */
.badges { display: flex; justify-content: center; gap: 8px; margin: 4px 0 20px; flex-wrap: wrap; }
.badge { display: flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 600; color: var(--text-dim);
  background: var(--glass); border: 1px solid var(--glass-border); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  padding: 6px 12px; border-radius: 999px; }

/* toast */
.toast-host { position: fixed; bottom: calc(var(--tabbar-h) + 14px); left: 50%; transform: translateX(-50%); z-index: 200;
  display: flex; flex-direction: column; gap: 8px; align-items: center; width: 100%; padding: 0 16px; }
.toast { background: var(--glass-strong); border: 1px solid var(--glass-border); backdrop-filter: blur(20px);
  padding: 10px 16px; border-radius: 12px; font-size: 12.5px; font-weight: 600; box-shadow: var(--shadow); max-width: 420px;
  animation: toast-in .2s ease; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (min-width: 860px) { .toast-host { bottom: 24px; } }

/* modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 150; display: none; align-items: center; justify-content: center; padding: 16px; }
.modal-backdrop.open { display: flex; }
.modal { width: 100%; max-width: 380px; background: var(--glass-strong); backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.modal h3 { margin: 0 0 14px; font-size: 15px; }
.modal .modal-actions { display: flex; gap: 8px; margin-top: 16px; }
.modal .qr-img { display: block; margin: 0 auto; border-radius: 12px; background: #fff; padding: 10px; }

/* skeleton */
.skel { background: linear-gradient(90deg, rgba(128,128,128,.12) 25%, rgba(128,128,128,.22) 37%, rgba(128,128,128,.12) 63%);
  background-size: 400% 100%; animation: skel 1.4s ease infinite; border-radius: 10px; }
@keyframes skel { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* countdown chip */
.chip { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 700; padding: 5px 10px; border-radius: 999px;
  background: rgba(128,128,128,.14); border: 1px solid var(--glass-border); color: var(--text-dim); }
.chip.warn { color: #f59e0b; border-color: rgba(245,158,11,.4); }

/* empty / error states */
.empty-state { text-align: center; padding: 40px 16px; color: var(--text-dim); }
.empty-state .ic { font-size: 44px; margin-bottom: 12px; }
.empty-state h3 { color: var(--text); font-size: 15px; margin: 0 0 6px; }
.empty-state p { font-size: 12.5px; margin: 0; }

/* misc page content */
.prose h2 { font-size: 15px; margin: 18px 0 10px; }
.prose p, .prose li { color: var(--text-dim); font-size: 13px; line-height: 1.9; }
.prose ul { padding: 0 20px 0 0; }
footer { text-align: center; color: var(--text-dim); font-size: 11.5px; margin-top: 24px; line-height: 1.9; }
footer a { color: var(--text-dim); }
footer .enamad { margin: 14px 0; display: flex; justify-content: center; }
footer .enamad img { border-radius: 8px; }

@media (max-width: 380px) {
  .card { padding: 16px; }
}