/* Self-hosted Vazirmatn (Persian) — no internet needed */
@font-face { font-family:'Vazirmatn'; font-style:normal; font-weight:300; font-display:swap;
  src:url('../fonts/Vazirmatn-Light.woff2') format('woff2'); }
@font-face { font-family:'Vazirmatn'; font-style:normal; font-weight:400; font-display:swap;
  src:url('../fonts/Vazirmatn-Regular.woff2') format('woff2'); }
@font-face { font-family:'Vazirmatn'; font-style:normal; font-weight:500; font-display:swap;
  src:url('../fonts/Vazirmatn-Medium.woff2') format('woff2'); }
@font-face { font-family:'Vazirmatn'; font-style:normal; font-weight:600; font-display:swap;
  src:url('../fonts/Vazirmatn-SemiBold.woff2') format('woff2'); }
@font-face { font-family:'Vazirmatn'; font-style:normal; font-weight:700; font-display:swap;
  src:url('../fonts/Vazirmatn-Bold.woff2') format('woff2'); }

/* ============================================================
   Design tokens — "Aurora" theme (dark default, light override)
   ============================================================ */
:root {
  --color-primary: #8B5CF6;     /* violet */
  --color-primary-2: #EC4899;   /* fuchsia-pink, for gradients */
  --color-accent: #22D3EE;      /* cyan accent */

  --color-bg: #0D0B1A;          /* deep space indigo (no pure #000) */
  --color-surface: #171331;
  --fg: #F4F2FB;
  --fg-strong: #FFFFFF;

  --glass-bg: rgba(255,255,255,0.055);
  --glass-border: rgba(255,255,255,0.10);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.35);
  --field-bg: rgba(0,0,0,0.28);
  --hairline: rgba(255,255,255,0.10);

  --glow-1: rgba(139,92,246,0.34);
  --glow-2: rgba(236,72,153,0.22);
  --glow-3: rgba(34,211,238,0.16);

  --ring: rgba(139,92,246,.30);
  --btn-glow: rgba(139,92,246,.42);
}

html.light {
  --color-bg: #F4F3FA;
  --color-surface: #FFFFFF;
  --fg: #1B1830;
  --fg-strong: #0B0A14;

  --glass-bg: rgba(255,255,255,0.74);
  --glass-border: rgba(24,18,48,0.08);
  --glass-shadow: 0 10px 30px rgba(24,18,48,0.08);
  --field-bg: rgba(24,18,48,0.04);
  --hairline: rgba(24,18,48,0.10);

  --glow-1: rgba(139,92,246,0.18);
  --glow-2: rgba(236,72,153,0.13);
  --glow-3: rgba(34,211,238,0.10);
}

html { scroll-behavior: smooth; }
body { background: var(--color-bg); color: var(--fg); }
::selection { background: rgba(139,92,246,.4); }

/* ---- Re-point compiled Tailwind primary utilities at the new palette
   (tailwind.css is prebuilt with the old orange — app.css loads after it) ---- */
.text-primary { color: var(--color-primary) !important; }
.accent-primary { accent-color: var(--color-primary) !important; }
.bg-primary { background-color: var(--color-primary) !important; }
.bg-primary\/15 { background-color: rgba(139,92,246,.15) !important; }
.border-primary\/50 { border-color: rgba(139,92,246,.5) !important; }
.hover\:border-primary\/50:hover { border-color: rgba(139,92,246,.5) !important; }

/* Light-mode remaps for dark-oriented utility classes used across templates,
   so every tool page adapts without editing each template. */
html.light .text-white     { color: var(--fg); }
html.light .text-white\/90 { color: rgba(27,24,48,0.90); }
html.light .text-white\/80 { color: rgba(27,24,48,0.82); }
html.light .text-white\/70 { color: rgba(27,24,48,0.72); }
html.light .text-white\/60 { color: rgba(27,24,48,0.62); }
html.light .text-white\/50 { color: rgba(27,24,48,0.52); }
html.light .text-white\/40 { color: rgba(27,24,48,0.46); }
html.light .border-white\/5  { border-color: rgba(27,24,48,0.06); }
html.light .border-white\/10 { border-color: rgba(27,24,48,0.10); }
html.light .border-white\/12 { border-color: rgba(27,24,48,0.12); }
html.light .border-white\/15 { border-color: rgba(27,24,48,0.14); }
html.light .bg-white\/5  { background-color: rgba(27,24,48,0.035); }
html.light .bg-white\/10 { background-color: rgba(27,24,48,0.06); }
html.light .text-amber-100 { color: #92400e; }

/* ============================================================
   Ambient background — drifting aurora blobs + soft grid
   ============================================================ */
.ambient { position: fixed; inset: 0; z-index: -10; overflow: hidden; pointer-events: none; }
.ambient::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--hairline) 1px, transparent 1px),
                    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .16;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, black 20%, transparent 75%);
}
.ambient .blob { position: absolute; border-radius: 9999px; filter: blur(90px); will-change: transform; }
.ambient .blob-1 { top: -8rem; inset-inline-start: -6rem; width: 30rem; height: 30rem; background: var(--glow-1);
  animation: blob-drift 26s ease-in-out infinite; }
.ambient .blob-2 { top: 38%; inset-inline-end: -9rem; width: 28rem; height: 28rem; background: var(--glow-2);
  animation: blob-drift 32s ease-in-out -8s infinite reverse; }
.ambient .blob-3 { bottom: -10rem; inset-inline-start: 28%; width: 26rem; height: 26rem; background: var(--glow-3);
  animation: blob-drift 38s ease-in-out -16s infinite; }
@keyframes blob-drift {
  0%,100% { transform: translate(0,0) scale(1); }
  33%     { transform: translate(3rem,-2.5rem) scale(1.12); }
  66%     { transform: translate(-2.5rem,2rem) scale(.94); }
}

/* ============================================================
   Glass surfaces
   ============================================================ */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--glass-shadow);
}
.glass-strong {
  background: color-mix(in srgb, var(--color-surface) 80%, transparent);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn-primary, .btn-ghost {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .6rem 1.15rem; border-radius: .9rem; font-weight: 600; cursor: pointer;
  transition: transform .18s cubic-bezier(0.16,1,0.3,1), box-shadow .18s ease, background-color .18s ease, filter .18s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary {
  color: #fff; border: 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2));
  background-size: 160% 160%;
  box-shadow: 0 8px 22px var(--btn-glow);
  animation: grad-pan 6s ease infinite;
}
.btn-primary::after {           /* shine sweep */
  content: ""; position: absolute; top: 0; bottom: 0; width: 40%;
  inset-inline-start: -60%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-18deg);
  transition: inset-inline-start .55s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px var(--btn-glow); }
.btn-primary:hover::after { inset-inline-start: 120%; }
.btn-primary:active { transform: translateY(0) scale(.98); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; }
.btn-ghost {
  color: var(--fg); background: var(--glass-bg); border: 1px solid var(--glass-border);
}
.btn-ghost:hover { background: color-mix(in srgb, var(--fg) 10%, transparent); transform: translateY(-1px); }
@keyframes grad-pan { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

/* ============================================================
   Inputs
   ============================================================ */
.field {
  width: 100%; padding: .7rem 1rem; border-radius: .9rem;
  background: var(--field-bg); color: var(--fg);
  border: 1px solid var(--glass-border);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.field::placeholder { color: color-mix(in srgb, var(--fg) 45%, transparent); }
.field:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--ring); }

/* ---- Fancy range sliders (used by the photo editor & tools) ---- */
input[type="range"].fx-slider {
  -webkit-appearance: none; appearance: none; height: 6px; border-radius: 9999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-2));
  outline: none; cursor: pointer;
}
input[type="range"].fx-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 20px; height: 20px; border-radius: 50%;
  background: #fff; border: 3px solid var(--color-primary);
  box-shadow: 0 2px 10px rgba(139,92,246,.55);
  transition: transform .15s ease, box-shadow .15s ease;
}
input[type="range"].fx-slider::-webkit-slider-thumb:hover { transform: scale(1.2); box-shadow: 0 0 0 7px rgba(139,92,246,.18); }
input[type="range"].fx-slider::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; border: 3px solid var(--color-primary);
  box-shadow: 0 2px 10px rgba(139,92,246,.55);
}
input[type="range"].fx-slider::-moz-range-track { height: 6px; border-radius: 9999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-2)); }

/* ============================================================
   Cards, pills, chips
   ============================================================ */
.tool-card {
  position: relative; display: block; padding: 1.25rem; border-radius: 1.25rem;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow); overflow: hidden;
  transition: transform .25s cubic-bezier(0.16,1,0.3,1), box-shadow .25s ease, border-color .25s ease;
}
.tool-card::before {            /* top gradient hairline */
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-primary-2), transparent);
  opacity: 0; transition: opacity .25s ease;
}
.tool-card::after {             /* soft radial glow that follows the cursor */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(220px circle at var(--mx,50%) var(--my,50%), rgba(139,92,246,.16), transparent 65%);
  transition: opacity .25s ease;
}
.tool-card:hover { transform: translateY(-6px); border-color: rgba(139,92,246,.5); box-shadow: 0 20px 44px rgba(0,0,0,.30), 0 0 0 1px rgba(139,92,246,.12); }
.tool-card:hover::before, .tool-card:hover::after { opacity: 1; }
.tool-card:hover .icon-tile { transform: translateY(-3px) rotate(-4deg) scale(1.06); }

.icon-tile {
  display: grid; place-items: center; height: 3rem; width: 3rem; border-radius: .9rem;
  background: linear-gradient(135deg, rgba(139,92,246,.22), rgba(236,72,153,.16));
  color: var(--color-primary);
  transition: transform .25s cubic-bezier(0.16,1,0.3,1);
}

.pill {
  display: inline-flex; align-items: center; gap: .4rem; white-space: nowrap;
  padding: .5rem .9rem; border-radius: 9999px; font-size: .85rem; font-weight: 500;
  color: var(--fg); background: var(--glass-bg); border: 1px solid var(--glass-border);
  cursor: pointer; transition: all .18s ease;
}
.pill:hover { border-color: rgba(139,92,246,.45); transform: translateY(-1px); }
.pill.active { color: #fff; background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2)); border-color: transparent; box-shadow: 0 6px 16px var(--btn-glow); }

.chip {
  display: inline-flex; align-items: center; padding: .2rem .6rem; border-radius: 9999px;
  font-size: .72rem; color: color-mix(in srgb, var(--fg) 65%, transparent);
  background: color-mix(in srgb, var(--fg) 6%, transparent);
}

/* Animated text gradient for headlines */
.text-gradient {
  background: linear-gradient(120deg, var(--color-primary), var(--color-primary-2) 40%, var(--color-accent) 70%, var(--color-primary));
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: grad-slide 7s linear infinite;
}
@keyframes grad-slide { to { background-position: -220% 0; } }

/* Favorite star */
.fav-btn { color: color-mix(in srgb, var(--fg) 40%, transparent); transition: transform .15s ease, color .15s ease; }
.fav-btn:hover { transform: scale(1.15); }
.fav-btn.on { color: var(--color-primary); }
.fav-btn.on svg { fill: currentColor; }

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s cubic-bezier(0.16,1,0.3,1), transform .6s cubic-bezier(0.16,1,0.3,1); }
.reveal.in { opacity: 1; transform: none; }

/* Pop-in for elements appearing after processing */
@keyframes pop-in { 0% { opacity: 0; transform: translateY(14px) scale(.97); } 100% { opacity: 1; transform: none; } }
.pop-in { animation: pop-in .5s cubic-bezier(0.16,1,0.3,1) both; }

/* Soft pulsing glow (hero badge, live dots) */
@keyframes pulse-glow { 0%,100% { box-shadow: 0 0 0 0 rgba(139,92,246,.45); } 60% { box-shadow: 0 0 0 9px rgba(139,92,246,0); } }
.pulse-glow { animation: pulse-glow 2.4s ease-out infinite; }

/* Nav link */
.nav-link { position: relative; padding: .35rem .2rem; color: color-mix(in srgb, var(--fg) 72%, transparent); font-weight: 500; transition: color .18s ease; }
.nav-link::after { content: ""; position: absolute; inset-inline-start: 0; bottom: -2px; height: 2px; width: 0;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-2)); border-radius: 2px; transition: width .22s ease; }
.nav-link:hover { color: var(--fg); }
.nav-link:hover::after { width: 100%; }

/* FAQ accordion */
summary::-webkit-details-marker { display: none; }
.faq-q { list-style: none; }
.faq-chevron { transition: transform .2s ease; }
details[open] .faq-chevron { transform: rotate(180deg); }

/* Star rating */
.rate-star { color: color-mix(in srgb, var(--fg) 32%, transparent); cursor: pointer; transition: color .12s ease, transform .12s ease; }
.rate-star:hover { transform: scale(1.14); }
.rate-star.on { color: var(--color-primary); }
.rate-star.on svg { fill: currentColor; }

/* Blog article body */
.post-body { line-height: 1.9; }
.post-body h2 { margin-top: 1.75rem; margin-bottom: .5rem; font-size: 1.2rem; font-weight: 700; color: var(--fg); }
.post-body p { margin: .8rem 0; color: color-mix(in srgb, var(--fg) 78%, transparent); }
.post-body ul { margin: .8rem 0; padding-inline-start: 1.3rem; list-style: disc; color: color-mix(in srgb, var(--fg) 78%, transparent); }
.post-body li { margin: .35rem 0; }
.post-body a { color: var(--color-primary); }
.post-body a:hover { text-decoration: underline; }
.post-body strong { color: var(--fg); }

/* ============================================================
   Photo editor — stage, compare slider, processing effects
   ============================================================ */
.ed-frame {
  position: relative; border-radius: 1.25rem; overflow: hidden;
  background:
    linear-gradient(var(--color-bg), var(--color-bg)) padding-box,
    linear-gradient(135deg, var(--color-primary), var(--color-primary-2), var(--color-accent)) border-box;
  border: 2px solid transparent;
  box-shadow: 0 18px 50px rgba(0,0,0,.35), 0 0 40px rgba(139,92,246,.12);
}

/* Before/after compare */
.cmp-wrap { position: relative; touch-action: none; user-select: none; -webkit-user-select: none; }
.cmp-before {                    /* the "before" layer, clipped from the left (LTR coords) */
  position: absolute; inset: 0; overflow: hidden; z-index: 30; pointer-events: none;
}
.cmp-before img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: fill; filter: none !important; max-width: none; }
.cmp-handle {
  position: absolute; top: 0; bottom: 0; width: 3px; z-index: 40;
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-2));
  box-shadow: 0 0 14px rgba(139,92,246,.8); cursor: ew-resize;
}
.cmp-handle::after {
  content: "⇄"; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2));
  color: #fff; font-size: .95rem; box-shadow: 0 4px 14px rgba(0,0,0,.4);
}
.cmp-label {
  position: absolute; top: .6rem; z-index: 35; padding: .2rem .65rem; border-radius: 9999px;
  font-size: .7rem; font-weight: 700; color: #fff; background: rgba(0,0,0,.55); backdrop-filter: blur(6px);
}

/* AI scanning animation over the preview while processing */
.scanning { position: relative; overflow: hidden; }
.scanning::after {
  content: ""; position: absolute; inset-inline: 0; top: -30%; height: 30%; z-index: 5;
  background: linear-gradient(180deg, transparent, rgba(139,92,246,.35), rgba(34,211,238,.45), transparent);
  animation: scan-y 2.2s ease-in-out infinite;
}
@keyframes scan-y { 0% { top: -30%; } 100% { top: 110%; } }

/* Indeterminate progress bar */
.progress-track { position: relative; height: 6px; border-radius: 9999px; overflow: hidden;
  background: color-mix(in srgb, var(--fg) 10%, transparent); }
.progress-bar { position: absolute; inset-block: 0; width: 40%; border-radius: 9999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-2), var(--color-accent));
  animation: bar-slide 1.4s ease-in-out infinite; }
@keyframes bar-slide { 0% { inset-inline-start: -40%; } 100% { inset-inline-start: 100%; } }

/* Upload dropzone comes alive */
.dropzone { transition: border-color .2s ease, background-color .2s ease, transform .2s ease; }
.dropzone:hover, .dropzone.dragover { border-color: rgba(139,92,246,.65) !important; background: rgba(139,92,246,.07); }
.dropzone.dragover { transform: scale(1.01); }
.dropzone .dz-icon { animation: dz-float 3s ease-in-out infinite; }
@keyframes dz-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* Option tiles (checkbox cards) */
.opt-tile { position: relative; transition: border-color .18s ease, background-color .18s ease, transform .18s ease; border: 1px solid var(--glass-border); }
.opt-tile:hover { transform: translateY(-2px); }
.opt-tile:has(input:checked) {
  border-color: rgba(139,92,246,.65);
  background: linear-gradient(135deg, rgba(139,92,246,.14), rgba(236,72,153,.10));
  box-shadow: 0 4px 18px rgba(139,92,246,.18);
}

/* Tip / hint callout */
.tip-box {
  border: 1px solid rgba(34,211,238,.35);
  background: linear-gradient(135deg, rgba(34,211,238,.10), rgba(139,92,246,.08));
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}