@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600&display=swap');

:root {
  /* Surface Tokens */
  --bg-core: #07090e;
  --glass-header: rgba(10, 13, 22, 0.7);
  --glass-card: rgba(15, 18, 30, 0.65);
  --glass-panel: rgba(8, 10, 18, 0.6);
  --glass-card-border: rgba(255, 255, 255, 0.08);
  --glass-card-border-top: rgba(255, 255, 255, 0.18);
  --input-bg: rgba(12, 14, 24, 0.6);

  /* Primary Accent (Emerald / Mint) */
  --accent-green: #3fb950;
  --accent-green-hover: #4ade80;
  --accent-green-glow: rgba(63, 185, 80, 0.35);

  /* Secondary Accent (Twitch Violet) */
  --accent-purple: #9146ff;
  --accent-purple-hover: #a361ff;
  --accent-purple-glow: rgba(145, 70, 255, 0.35);

  /* Text Hierarchy */
  --text-primary: #f8f9fc;
  --text-secondary: #9da1b4;
  --text-muted: #5e6278;

  /* Shadows & Highlights */
  --shadow-ambient: 0 30px 90px -15px rgba(0, 0, 0, 0.75);
  --shadow-specular: inset 0 1px 1px 0 rgba(255, 255, 255, 0.12);
  --shadow-subtle: 0 4px 20px -2px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-core);
  background-image:
    radial-gradient(circle at 50% -5%, rgba(63, 185, 80, 0.16) 0%, transparent 42%),
    radial-gradient(circle at 100% 100%, rgba(145, 70, 255, 0.08) 0%, transparent 48%),
    linear-gradient(180deg, rgba(7, 9, 14, 0.7) 0%, var(--bg-core) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Glass Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 36px;
  background: var(--glass-header);
  border-bottom: 1px solid var(--glass-card-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
}

.site-brand {
  font-family: "Space Grotesk", sans-serif;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 2px;
  text-decoration: none;
  text-transform: uppercase;
  background: linear-gradient(135deg, #86efac 0%, #3fb950 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.2s ease, filter 0.2s ease;
}

.site-brand:hover {
  opacity: 0.95;
  filter: drop-shadow(0 0 14px var(--accent-green-glow));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a,
.site-nav-divider {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2px;
  text-decoration: none;
  transition: color 0.18s ease;
}

.site-nav a:hover {
  color: var(--accent-green-hover);
}

.site-nav-divider {
  opacity: 0.4;
}

/* Page Setup */

.page {
  flex: 1;
  min-height: calc(100vh - 58px - 58px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
}

.element-container {
  flex-shrink: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  padding-bottom: 12px;
}

/* Core Glass Container */

.container {
  width: 100%;
  max-width: 520px;
  background: var(--glass-card);
  border: 1px solid var(--glass-card-border);
  border-top-color: var(--glass-card-border-top);
  border-radius: 24px;
  padding: 40px 36px 36px;
  text-align: center;
  box-shadow: var(--shadow-ambient), var(--shadow-specular);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
}

.container h2 {
  margin: 0px 0 28px;
  font-family: "Space Grotesk", sans-serif;
  color: #ffffff;
  font-size: 26px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo {
  display: inline-block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #c79eff;
  margin-bottom: 14px;
}

.description {
  margin: 0 auto 28px;
  max-width: 380px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: -0.01em;
}

/* Form Styling & Inputs */

label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-align: left;
}

input[type="text"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 12px 16px;
  margin-bottom: 16px;
  font-family: inherit;
}

.box-style {
  background: var(--input-bg);
  border: 1px solid var(--glass-card-border);
  border-top-color: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  color: var(--text-primary);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
  font-size: 14px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.box-style::placeholder,
textarea::placeholder,
input::placeholder {
  color: var(--text-muted);
}

.box-style:hover {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(16, 20, 32, 0.75);
}

input:focus,
select:focus,
button:focus,
textarea:focus {
  border-color: var(--accent-green);
  outline: none;
  box-shadow: 
    0 0 0 3px rgba(63, 185, 80, 0.2),
    inset 0 1px 2px rgba(0, 0, 0, 0.3);
  background: rgba(18, 22, 36, 0.9);
}

.force-height {
  height: 48px;
}

textarea {
  min-height: 120px;
  max-height: 240px;
  resize: vertical;
  line-height: 1.55;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

.flex-row {
  display: flex;
  gap: 12px;
  width: 100%;
}

.currency-select {
  width: 90px;
  height: 48px;
  flex-shrink: 0;
}

.message-container {
  position: relative;
}

#char-counter {
  position: absolute;
  right: 14px;
  bottom: 26px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.5px;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

/* Interactive Controls & Buttons */

.preset-container {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  width: 100%;
}

.preset-btn {
  flex: 1;
  height: 40px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-card-border);
  border-top-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s cubic-bezier(0.2, 0, 0, 1);
}

.preset-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  color: #fff;
  transform: translateY(-1px);
}

.preset-btn.active {
  background: rgba(63, 185, 80, 0.14);
  border-color: var(--accent-green);
  color: #86efac;
  box-shadow: 0 0 16px rgba(63, 185, 80, 0.2);
}

.tts-button {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-card-border);
  border-top-color: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.tts-button img {
  display: block;
  max-width: 18px;
  max-height: 18px;
  opacity: 0.75;
  transition: opacity 0.15s ease;
}

.tts-button:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}

.tts-button:hover img {
  opacity: 1;
}

.tts-button:active {
  transform: translateY(0);
}

/* Primary Action Buttons */

input[type="submit"],
.button-generate {
  width: 100%;
  min-height: 52px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  background: linear-gradient(180deg, #34d399 0%, #059669 100%);
  color: #ffffff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  box-shadow: 
    0 1px 1px 0 rgba(255, 255, 255, 0.35) inset,
    0 4px 20px -2px var(--accent-green-glow),
    var(--shadow-subtle);
  transition: transform 0.15s cubic-bezier(0.2, 0, 0, 1), box-shadow 0.15s ease, filter 0.15s ease;
}

input[type="submit"]:hover,
.button-generate:hover {
  transform: translateY(-2px);
  filter: brightness(1.06);
  box-shadow: 
    0 1px 1px 0 rgba(255, 255, 255, 0.45) inset,
    0 6px 24px 0 var(--accent-green-glow),
    0 4px 8px rgba(0, 0, 0, 0.4);
}

input[type="submit"]:active,
.button-generate:active {
  transform: translateY(0);
  box-shadow: 
    0 1px 1px 0 rgba(255, 255, 255, 0.1) inset,
    0 2px 10px var(--accent-green-glow);
}

.config-login {
  max-width: 440px;
}

/* Callouts & Content Boxes */

.text-area {
  margin-bottom: 20px;
  padding: 14px 16px;
  background: var(--glass-panel);
  border: 1px solid var(--glass-card-border);
  border-radius: 12px;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.6;
  text-align: center;
}

.text-area li {
  margin-left: 10px;
  padding: 2px 0;
  text-align: left;
}

.text-area-thanks {
  margin-bottom: 20px;
  padding: 16px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.5;
  text-align: center;
}

.copied {
  display: none;
  padding: 10px;
  color: #4ade80;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
}

/* Legal View */

.legal-page {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 60px 24px 60px;
}

.legal-card {
  width: 100%;
  max-width: 860px;
  background: var(--glass-card);
  border: 1px solid var(--glass-card-border);
  border-top-color: var(--glass-card-border-top);
  border-radius: 24px;
  padding: 48px;
  box-shadow: var(--shadow-ambient), var(--shadow-specular);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
}

.legal-card h1 {
  margin: 8px 0;
  text-align: center;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.02em;
  font-size: 28px;
}

.legal-updated {
  margin: 0 0 36px;
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
}

.legal-content {
  max-width: 720px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.legal-content h2 {
  margin: 32px 0 10px;
  color: #fff;
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  margin: 0 0 16px;
}

.legal-content ul {
  margin: 8px 0 18px;
  padding-left: 20px;
}

.legal-content li {
  margin: 6px 0;
}

.back-button {
  display: flex;
  width: 100%;
  max-width: 240px;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  margin: 36px auto 0;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-card-border);
  border-top-color: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s ease;
}

.back-button:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  color: #fff;
  transform: translateY(-1px);
}

/* Glass Footer */

.site-footer {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 16px 24px;
  background: var(--glass-header);
  border-top: 1px solid var(--glass-card-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--text-muted);
  font-size: 12px;
}

.site-footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-footer a:hover {
  color: var(--accent-green-hover);
}

/* Utility Animations & Responsive */

.animate-fade-in {
  position: relative;
  animation: animfadein 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hide {
  display: none;
}

@keyframes animfadein {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 0 20px;
    min-height: 58px;
  }

  .site-brand {
    font-size: 20px;
  }

  .page {
    padding: 32px 16px;
  }

  .container {
    padding: 32px 20px 28px;
    border-radius: 20px;
  }

  .container h2 {
    font-size: 22px;
  }

  .legal-card {
    padding: 32px 20px;
    border-radius: 20px;
  }
}

/* Clean, performant fallback specifically for Firefox */
@supports (-moz-appearance: none) {
  *,
  *::before,
  *::after {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  /* Boost opacities slightly so cards and headers don't look completely transparent */
  .site-header,
  .site-footer {
    background: rgba(10, 13, 22, 0.95) !important;
  }

  .container,
  .legal-card {
    background: rgba(15, 18, 30, 0.92) !important;
  }

  .box-style {
    background: rgba(12, 14, 24, 0.9) !important;
  }
}