@font-face {
  font-family: "Inter";
  src: local("Inter"), url("/assets/fonts/Inter.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #070707;
  --bg-rgb: 7, 7, 7;
  --bg-2: #111111;
  --surface-rgb: 17, 17, 17;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #f2f2f2;
  --muted: #8f8f8f;
  --accent: #f2f2f2;
  --accent-rgb: 242, 242, 242;
  --accent-hover: #ffffff;
  --accent-2: #d4d4d4;
  --accent-alt: #8a8a8a;
  --accent-alt-rgb: 138, 138, 138;
  --accent-glow: rgba(255, 255, 255, 0.16);
  --on-accent: #0a0a0a;
  --danger: #ff5c7a;
  --success: #3ddc97;
  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 16px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 80px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
  --blur: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 180ms;
  --t: 300ms;
  --t-slow: 600ms;
  --stagger: 50ms;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "Cascadia Code", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(900px 500px at 10% -10%, rgba(var(--accent-rgb), 0.06), transparent 60%),
    radial-gradient(700px 400px at 100% 0%, rgba(var(--accent-alt-rgb), 0.05), transparent 60%);
  background-attachment: fixed;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

h1, h2, h3 { line-height: 1.15; margin: 0 0 var(--space-3); letter-spacing: -0.02em; }

p { margin: 0 0 var(--space-4); color: var(--muted); }

.container { width: min(1120px, 100% - 2 * var(--space-5)); margin-inline: auto; }

.glass {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  box-shadow: var(--shadow);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t) var(--ease), background-color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.btn:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent); border-color: transparent; color: var(--on-accent); }
.btn-primary:hover { box-shadow: 0 8px 28px var(--accent-glow); background: var(--accent-hover); }
.btn-danger { background: rgba(255, 92, 122, 0.12); border-color: rgba(255, 92, 122, 0.3); color: var(--danger); }
.btn-danger:hover { box-shadow: 0 8px 28px rgba(255, 92, 122, 0.3); }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn:focus-visible, .input:focus-visible, .nav-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.input, textarea.input, select.input {
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.15); }
textarea.input { resize: vertical; min-height: 160px; font-family: var(--mono); font-size: 13px; }
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: var(--space-2); }
.field { margin-bottom: var(--space-4); }

.logo { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: 800; font-size: 18px; letter-spacing: -0.02em; }
.logo-mark { width: 30px; height: 30px; border-radius: 9px; background: linear-gradient(135deg, var(--accent), var(--accent-alt)); box-shadow: 0 0 20px var(--accent-glow); display: grid; place-items: center; }

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  background: var(--panel);
  position: relative;
}
.lang-toggle button {
  position: relative;
  z-index: 1;
  border: 0;
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 11px;
  cursor: pointer;
  transition: color var(--t) var(--ease);
}
.lang-toggle button.active { color: var(--on-accent); }
.lang-toggle::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: calc(50% - 3px);
  height: calc(100% - 6px);
  border-radius: 999px;
  background: var(--accent);
  transition: transform var(--t) var(--ease);
}
.lang-toggle[data-lang="en"]::before { transform: translateX(100%); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease); transition-delay: calc(var(--i, 0) * var(--stagger)); }
.reveal.visible { opacity: 1; transform: none; }

[data-i18n] { transition: opacity var(--t-fast) var(--ease); }
.i18n-fade [data-i18n] { opacity: 0; }

.card { padding: var(--space-5); transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), border-color var(--t) var(--ease); }
.card:hover { transform: translateY(-2px); border-color: rgba(var(--accent-rgb), 0.35); box-shadow: var(--shadow), 0 0 30px rgba(var(--accent-rgb), 0.15); }

.icon { width: 20px; height: 20px; flex: none; }

.badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: rgba(var(--accent-rgb), 0.15); color: var(--accent-2); border: 1px solid rgba(var(--accent-rgb), 0.3); }

.toasts { position: fixed; right: var(--space-5); top: calc(64px + var(--space-4)); display: flex; flex-direction: column; gap: var(--space-3); z-index: 100; }
.toast {
  position: relative;
  overflow: hidden;
  min-width: 260px;
  max-width: 340px;
  padding: 14px 16px;
  font-size: 14px;
  transform: translateX(120%);
  opacity: 0;
  transition: transform var(--t) var(--ease), opacity var(--t) var(--ease);
}
.toast.show { transform: none; opacity: 1; }
.toast::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 100%;
  background: var(--accent);
  transform-origin: left;
  animation: toast-timer var(--toast-time, 3500ms) linear forwards;
}
.toast.error::after { background: var(--danger); }
.toast.success::after { background: var(--success); }
@keyframes toast-timer { to { transform: scaleX(0); } }

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  padding: var(--space-4);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t) var(--ease);
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal {
  width: min(560px, 100%);
  max-height: 85vh;
  overflow: auto;
  padding: var(--space-5);
  background: rgba(var(--surface-rgb), 0.85);
  opacity: 0;
  transform: scale(0.95) translateY(12px);
  transition: opacity var(--t) var(--ease), transform var(--t) var(--ease);
}
.modal-backdrop.open .modal { opacity: 1; transform: none; }
.modal-head { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); }
.modal-actions { display: flex; justify-content: flex-end; gap: var(--space-3); margin-top: var(--space-5); }

.skeleton {
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.09) 50%, rgba(255,255,255,0.04) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.3s var(--ease) infinite;
}
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; transition-delay: 0ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

[hidden] { display: none !important; }

select.input {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 40px;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238f8f8f' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
}
select.input:hover { border-color: var(--border-strong); }
select.input option { background-color: var(--bg-2); color: var(--text); }

@supports (appearance: base-select) {
  select.input, select.input::picker(select) { appearance: base-select; }
  select.input { display: flex; align-items: center; background-image: none; padding-right: 14px; }
  select.input::picker-icon {
    content: "";
    width: 16px;
    height: 16px;
    margin-left: auto;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238f8f8f' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") center / 16px no-repeat;
    transition: transform var(--t) var(--ease);
  }
  select.input:open::picker-icon { transform: rotate(180deg); }
  select.input:open { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.15); }
  select.input::picker(select) {
    margin-top: 6px;
    padding: 6px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    background: rgba(var(--surface-rgb), 0.92);
    backdrop-filter: blur(var(--blur));
    box-shadow: var(--shadow), 0 0 30px rgba(var(--accent-rgb), 0.12);
    opacity: 0;
    transform: translateY(-6px) scale(0.98);
    transition: opacity var(--t) var(--ease), transform var(--t) var(--ease), overlay var(--t) allow-discrete, display var(--t) allow-discrete;
  }
  select.input:open::picker(select) { opacity: 1; transform: none; }
  @starting-style {
    select.input:open::picker(select) { opacity: 0; transform: translateY(-6px) scale(0.98); }
  }
  select.input option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 9px 12px;
    border-radius: 8px;
    background: transparent;
    font-size: 14px;
    cursor: pointer;
    transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
  }
  select.input option:hover, select.input option:focus-visible { background: rgba(var(--accent-rgb), 0.16); outline: none; }
  select.input option:checked { background: rgba(var(--accent-rgb), 0.26); color: #fff; font-weight: 600; }
  select.input option::checkmark { order: 1; margin-left: auto; color: var(--accent-2); }
}

input[type="range"] {
  --fill: 50%;
  flex: 1;
  height: 22px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-alt)) 0 0 / var(--fill) 100% no-repeat, rgba(255, 255, 255, 0.08);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin-top: -6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--bg-2), 0 0 0 5px rgba(var(--accent-rgb), 0.3), 0 2px 8px rgba(0, 0, 0, 0.5);
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t) var(--ease);
}
input[type="range"]:hover::-webkit-slider-thumb, input[type="range"]:focus-visible::-webkit-slider-thumb { transform: scale(1.15); box-shadow: 0 0 0 6px rgba(var(--accent-rgb), 0.3), 0 0 18px var(--accent-glow); }
input[type="range"]:active::-webkit-slider-thumb { transform: scale(0.95); }
input[type="range"]::-moz-range-track { height: 6px; border-radius: 999px; background: rgba(255, 255, 255, 0.08); }
input[type="range"]::-moz-range-progress { height: 6px; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-alt)); }
input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: 0;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--bg-2), 0 0 0 5px rgba(var(--accent-rgb), 0.3), 0 2px 8px rgba(0, 0, 0, 0.5);
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t) var(--ease);
}
input[type="range"]:hover::-moz-range-thumb { transform: scale(1.15); box-shadow: 0 0 0 6px rgba(var(--accent-rgb), 0.3), 0 0 18px var(--accent-glow); }
input[type="range"]:focus-visible { outline: none; }

::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { border: 3px solid transparent; border-radius: 999px; background: rgba(255, 255, 255, 0.14) padding-box; }
::-webkit-scrollbar-thumb:hover { background: rgba(var(--accent-rgb), 0.65) padding-box; }
::-webkit-scrollbar-corner { background: transparent; }
@supports (-moz-appearance: none) {
  html, .modal, .paste-view { scrollbar-width: thin; scrollbar-color: rgba(var(--accent-rgb), 0.5) transparent; }
}

.input.invalid { border-color: var(--danger); box-shadow: 0 0 0 4px rgba(255, 92, 122, 0.12); }
.field-error { display: block; margin-top: var(--space-2); font-size: 12px; color: var(--danger); opacity: 0; transform: translateY(-4px); transition: opacity var(--t) var(--ease), transform var(--t) var(--ease); }
.field-error.show { opacity: 1; transform: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.logo-mark svg { stroke: var(--on-accent); }