:root {
  --page-bg: #eef3ff;
  --page-bg-deep: #e7ecf8;
  --surface: rgba(255, 255, 255, 0.62);
  --surface-strong: rgba(255, 255, 255, 0.84);
  --surface-soft: rgba(255, 255, 255, 0.44);
  --surface-hover: rgba(255, 255, 255, 0.92);
  --border: rgba(255, 255, 255, 0.74);
  --border-soft: rgba(68, 78, 116, 0.12);
  --text: #11172a;
  --text-soft: #5d667a;
  --text-faint: #7a859b;
  --accent: #715cff;
  --accent-strong: #5d46f2;
  --accent-cyan: #1fbde9;
  --accent-green: #18a66e;
  --accent-pink: #ed5ab7;
  --success: #15966b;
  --success-bg: rgba(22, 168, 116, 0.11);
  --danger: #d5425f;
  --danger-bg: rgba(213, 66, 95, 0.1);
  --shadow-xl: 0 32px 90px rgba(56, 65, 109, 0.18);
  --shadow-lg: 0 22px 55px rgba(51, 60, 105, 0.14);
  --shadow-md: 0 12px 32px rgba(51, 60, 105, 0.12);
  --button-shadow: 0 12px 28px rgba(101, 79, 245, 0.34);
  --focus-ring: rgba(113, 92, 255, 0.28);
  --noise-opacity: 0.045;
}

html[data-theme="dark"] {
  --page-bg: #090b12;
  --page-bg-deep: #05070c;
  --surface: rgba(27, 31, 45, 0.6);
  --surface-strong: rgba(31, 35, 51, 0.82);
  --surface-soft: rgba(25, 29, 42, 0.46);
  --surface-hover: rgba(39, 44, 62, 0.92);
  --border: rgba(255, 255, 255, 0.12);
  --border-soft: rgba(255, 255, 255, 0.08);
  --text: #f7f8ff;
  --text-soft: #aab2c7;
  --text-faint: #838ca2;
  --accent: #8d7cff;
  --accent-strong: #7966ff;
  --accent-cyan: #42d2ff;
  --accent-green: #4cd7a2;
  --accent-pink: #ff79cf;
  --success: #4cd7a2;
  --success-bg: rgba(76, 215, 162, 0.1);
  --danger: #ff718a;
  --danger-bg: rgba(255, 113, 138, 0.1);
  --shadow-xl: 0 38px 110px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.38);
  --shadow-md: 0 14px 36px rgba(0, 0, 0, 0.3);
  --button-shadow: 0 14px 34px rgba(101, 79, 245, 0.42);
  --focus-ring: rgba(141, 124, 255, 0.32);
  --noise-opacity: 0.03;
}

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

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--page-bg);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    linear-gradient(132deg, rgba(113, 92, 255, 0.14), transparent 28%),
    linear-gradient(228deg, rgba(31, 189, 233, 0.13), transparent 31%),
    linear-gradient(26deg, rgba(237, 90, 183, 0.08), transparent 34%),
    linear-gradient(160deg, var(--page-bg), var(--page-bg-deep));
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition:
    color 220ms ease,
    background-color 220ms ease;
}

body::before {
  position: fixed;
  z-index: 20;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: var(--noise-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: inherit;
}

::selection {
  color: #fff;
  background: var(--accent);
}

.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;
}

.page-shell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: min(100%, 1440px);
  min-height: 100vh;
  min-height: 100svh;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 72px);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: clamp(18px, 3.2vw, 34px) 0;
}

.brand {
  display: inline-grid;
  grid-template-columns: 46px minmax(0, auto);
  align-items: center;
  gap: 11px;
  min-width: 0;
  min-height: 46px;
  color: var(--text);
  line-height: 1;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: grid;
  align-self: center;
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  overflow: hidden;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 16px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.3)),
    rgba(255, 255, 255, 0.35);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

html[data-theme="dark"] .brand-mark {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03)),
    rgba(15, 18, 29, 0.7);
}

.brand-mark img {
  width: 132%;
  height: 132%;
  display: block;
  object-fit: cover;
  object-position: center 44%;
  transform: translateY(-3px) scaleX(-1);
}

.brand-name {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 780;
  letter-spacing: 0;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-tld {
  color: var(--text-soft);
}

.toolbar {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.glass-control {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(22px);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 4px;
  border-radius: 16px;
}

.language-button {
  display: inline-grid;
  min-width: 44px;
  height: 34px;
  padding: 0 10px;
  place-items: center;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  font-size: 0.74rem;
  font-weight: 760;
  letter-spacing: 0;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    transform 180ms ease;
}

.language-button:hover,
.language-button[data-active="true"] {
  color: var(--text);
  background: var(--surface-hover);
}

.language-button:active {
  transform: translateY(1px);
}

.control-button,
.submit-button,
.action-button {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  border: 0;
  cursor: pointer;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    box-shadow 180ms ease,
    opacity 180ms ease;
}

.control-button {
  width: 44px;
  height: 44px;
  border-radius: 16px;
}

.control-button svg {
  display: block;
  width: 20px;
  height: 20px;
  max-width: 20px;
  max-height: 20px;
  overflow: visible;
}

.control-button:hover {
  background: var(--surface-hover);
  transform: translateY(-1px);
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

main {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  padding: clamp(22px, 3.8vw, 46px) 0 clamp(42px, 5vw, 72px);
}

.hero {
  display: flex;
  align-items: center;
  flex-direction: column;
  width: 100%;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  margin: 0 0 14px;
  padding: 0 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent-strong);
  box-shadow: var(--shadow-md);
  font-size: 0.78rem;
  font-weight: 790;
  letter-spacing: 0;
  backdrop-filter: blur(18px);
}

html[data-theme="dark"] .eyebrow {
  color: var(--accent-cyan);
}

.status-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent-green);
  box-shadow: 0 0 0 4px rgba(24, 166, 110, 0.13);
}

.status-dot::after {
  position: absolute;
  inset: -5px;
  border: 1px solid rgba(24, 166, 110, 0.45);
  border-radius: inherit;
  content: "";
  animation: status-pulse 1.7s ease-out infinite;
}

.hero-title {
  max-width: 920px;
  margin: 0;
  color: var(--text);
  font-size: clamp(3rem, 7.2vw, 6.4rem);
  font-weight: 860;
  letter-spacing: 0;
  line-height: 0.98;
}

.hero-title-line {
  display: block;
}

.gradient-text {
  background: linear-gradient(92deg, var(--accent), var(--accent-cyan) 54%, var(--accent-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  width: min(100%, 680px);
  margin: 18px auto 0;
  color: var(--text-soft);
  font-size: clamp(0.98rem, 1.5vw, 1.12rem);
  line-height: 1.58;
}

.shortener-wrap {
  width: min(100%, 720px);
  margin-top: clamp(24px, 3.4vw, 34px);
}

.shortener-form {
  width: 100%;
}

.shortener-panel {
  position: relative;
  overflow: hidden;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(26px);
}

.input-row {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) 58px;
  align-items: center;
  min-height: 68px;
  border: 1px solid var(--border-soft);
  border-radius: 21px;
  background: rgba(255, 255, 255, 0.74);
}

html[data-theme="dark"] .input-row {
  background: rgba(9, 12, 20, 0.58);
}

.input-icon {
  display: grid;
  width: 54px;
  height: 100%;
  place-items: center;
  color: var(--text-faint);
}

.input-icon svg {
  display: block;
  width: 22px;
  height: 22px;
  max-width: 22px;
  max-height: 22px;
  overflow: visible;
}

.url-input {
  width: 100%;
  height: 66px;
  min-width: 0;
  padding: 0 12px 0 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 1.02rem;
}

.url-input::placeholder {
  color: var(--text-faint);
}

.url-input:disabled {
  opacity: 0.68;
}

.url-input:focus-visible {
  outline: none;
}

.submit-button {
  position: relative;
  width: 48px;
  height: 48px;
  margin-right: 9px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-cyan));
  color: #fff;
  box-shadow: var(--button-shadow);
}

.submit-button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(101, 79, 245, 0.38);
}

.submit-button:disabled {
  cursor: default;
  opacity: 0.82;
}

.submit-button svg {
  display: block;
  width: 22px;
  height: 22px;
  max-width: 22px;
  max-height: 22px;
  overflow: visible;
}

.submit-idle {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
}

.submit-loading {
  position: absolute;
  display: grid;
  inset: 0;
  place-items: center;
  opacity: 0;
}

.submit-button.is-loading .submit-idle {
  opacity: 0;
}

.submit-button.is-loading .submit-loading {
  opacity: 1;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 999px;
  animation: spin 780ms linear infinite;
}

.form-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 42px;
  padding: 10px 8px 0;
  color: var(--text-faint);
  font-size: 0.78rem;
  line-height: 1.45;
  text-align: left;
}

.form-status {
  flex: 0 0 auto;
  color: var(--accent-strong);
  font-weight: 720;
  text-align: right;
}

html[data-theme="dark"] .form-status {
  color: var(--accent-cyan);
}

.loading-line {
  position: absolute;
  right: 22px;
  bottom: 0;
  left: 22px;
  height: 2px;
  overflow: hidden;
  opacity: 0;
}

.loading-line::before {
  position: absolute;
  width: 42%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  content: "";
  transform: translateX(-100%);
}

.shortener-panel.is-loading .loading-line {
  opacity: 1;
}

.shortener-panel.is-loading .loading-line::before {
  animation: loading-line 1.15s ease-in-out infinite;
}

.feedback {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: min(100%, 620px);
  margin: 14px auto 0;
  padding: 13px 15px;
  border: 1px solid rgba(213, 66, 95, 0.18);
  border-radius: 16px;
  background: var(--danger-bg);
  color: var(--danger);
  box-shadow: var(--shadow-md);
  font-size: 0.9rem;
  line-height: 1.45;
  text-align: left;
}

.feedback svg {
  flex: 0 0 auto;
  width: 21px;
  height: 21px;
  margin-top: 1px;
}

.result-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  width: 100%;
  margin: 16px auto 0;
  padding: 16px 15px 16px 19px;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-lg);
  text-align: left;
  backdrop-filter: blur(24px);
}

.result-content {
  min-width: 0;
}

.result-label {
  display: block;
  margin-bottom: 5px;
  color: var(--text-faint);
  font-size: 0.72rem;
  font-weight: 780;
  letter-spacing: 0;
  text-transform: uppercase;
}

.result-link {
  display: block;
  overflow: hidden;
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 680;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-link:hover {
  color: var(--accent-strong);
}

.result-actions {
  display: inline-flex;
  gap: 8px;
}

.action-button {
  position: relative;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  background: var(--surface-soft);
  color: var(--text-soft);
  text-decoration: none;
}

.action-button:hover {
  background: var(--surface-hover);
  color: var(--text);
  transform: translateY(-1px);
}

.action-button svg {
  display: block;
  width: 20px;
  height: 20px;
  max-width: 20px;
  max-height: 20px;
  overflow: visible;
}

.copy-check {
  position: absolute;
  opacity: 0;
  transform: scale(0.8);
}

.action-button.is-copied {
  color: var(--success);
  background: var(--success-bg);
}

.action-button.is-copied .copy-icon {
  opacity: 0;
  transform: scale(0.8);
}

.action-button.is-copied .copy-check {
  opacity: 1;
  transform: scale(1);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0 32px;
  color: var(--text-faint);
  font-size: 0.82rem;
}

.footer-copy {
  flex: 0 0 auto;
}

.toast {
  position: fixed;
  z-index: 30;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  display: inline-flex;
  align-items: center;
  gap: 9px;
  max-width: calc(100vw - 36px);
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-strong);
  color: var(--success);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
  backdrop-filter: blur(22px);
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.toast svg {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes loading-line {
  0% {
    transform: translateX(-120%);
  }

  100% {
    transform: translateX(260%);
  }
}

@keyframes status-pulse {
  0% {
    opacity: 0.85;
    transform: scale(0.55);
  }

  100% {
    opacity: 0;
    transform: scale(1.85);
  }
}

@media (max-width: 900px) {
  main {
    align-items: flex-start;
    padding-top: clamp(20px, 4vw, 38px);
  }

  .hero-title {
    font-size: clamp(2.9rem, 10vw, 5.4rem);
  }
}

@media (max-width: 620px) {
  .page-shell {
    padding-right: 14px;
    padding-left: 14px;
  }

  .site-header {
    gap: 12px;
  }

  .brand {
    gap: 8px;
    grid-template-columns: 38px minmax(0, auto);
    min-height: 38px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 13px;
  }

  .brand-name {
    font-size: 1rem;
  }

  .toolbar {
    gap: 7px;
  }

  .language-switcher {
    padding: 3px;
    border-radius: 14px;
  }

  .language-button {
    min-width: 36px;
    height: 32px;
    padding: 0 7px;
    border-radius: 11px;
    font-size: 0.7rem;
  }

  .control-button {
    width: 40px;
    height: 40px;
    border-radius: 14px;
  }

  main {
    padding-top: clamp(16px, 4vh, 34px);
    padding-bottom: 44px;
  }

  .hero-title {
    font-size: clamp(2.55rem, 12.5vw, 3.9rem);
    line-height: 1;
  }

  .hero-subtitle {
    max-width: 34rem;
    margin-top: 14px;
    font-size: 0.96rem;
    line-height: 1.5;
  }

  .shortener-wrap {
    margin-top: 24px;
  }

  .shortener-panel {
    padding: 8px;
    border-radius: 23px;
  }

  .input-row {
    grid-template-columns: 41px minmax(0, 1fr) 52px;
    min-height: 60px;
    border-radius: 17px;
  }

  .input-icon {
    width: 41px;
  }

  .url-input {
    height: 58px;
    padding-right: 8px;
    font-size: 0.96rem;
  }

  .submit-button {
    width: 44px;
    height: 44px;
    margin-right: 6px;
    border-radius: 14px;
  }

  .form-meta {
    align-items: flex-start;
    flex-direction: column;
    min-height: 48px;
    padding: 9px 5px 2px;
    gap: 3px;
    font-size: 0.72rem;
  }

  .form-status {
    text-align: left;
  }

  .feedback {
    padding: 12px 13px;
    border-radius: 15px;
    font-size: 0.84rem;
  }

  .result-card {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 15px 13px 15px 16px;
    gap: 10px;
    border-radius: 19px;
  }

  .result-link {
    font-size: 0.9rem;
  }

  .action-button {
    width: 40px;
    height: 40px;
    border-radius: 13px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }
}

@media (max-width: 430px) {
  .brand-tld {
    display: none;
  }

  .language-button {
    min-width: 32px;
    padding: 0 5px;
  }

  .result-actions {
    gap: 5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}