/* ============================================================
   LIQUID TWIST — RETRO SCI-FI NAME GENERATOR
   Light mode only. Bebas Neue headlines. Europa body.
   Atompunk palette: warm parchment + deep navy + neon accents
   ============================================================ */

/* ---- TOKENS ---- */
:root {
  --font-headline: 'Bebas Neue', 'Impact', sans-serif;
  --font-body:     'Europa', 'Gill Sans', 'Trebuchet MS', sans-serif;
  --font-mono:     'Share Tech Mono', 'Courier New', monospace;

  /* Atompunk light palette */
  --bg:            #f2ede3;
  --bg-warm:       #ede6d8;
  --surface:       #e6dfd0;
  --panel:         #ddd6c5;
  --border:        #c8bfa8;
  --border-accent: #8aabbc;

  --ink:           #1a150e;
  --ink-muted:     #4a4035;
  --ink-faint:     #8a7f6e;

  --accent-navy:   #163247;
  --accent-cyan:   #1a6e8a;
  --accent-green:  #2a6e3a;
  --accent-orange: #b84800;
  --accent-amber:  #9a6a00;

  --glow-navy:  0 2px 16px rgba(22, 50, 71, 0.18);
  --glow-cyan:  0 2px 12px rgba(26, 110, 138, 0.2);
  --glow-orange: 0 2px 16px rgba(184, 72, 0, 0.25);

  /* Scale */
  --text-xs:   clamp(0.7rem,  0.65rem + 0.2vw, 0.8rem);
  --text-sm:   clamp(0.85rem, 0.8rem  + 0.25vw, 1rem);
  --text-base: clamp(1rem,    0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.15rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,  1.1rem  + 1.5vw,  2.5rem);
  --text-2xl:  clamp(2rem,    1rem    + 3.5vw,   4rem);
  --text-hero: clamp(2.8rem,  1rem    + 6vw,     6.5rem);

  --space-1: 0.25rem; --space-2: 0.5rem;  --space-3: 0.75rem;
  --space-4: 1rem;    --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;    --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;   --space-20: 5rem;   --space-24: 6rem;

  --radius-sm: 3px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  --transition: 160ms cubic-bezier(0.16, 1, 0.3, 1);

  --content: 680px;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--ink);
  background-color: var(--bg);
  position: relative;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

img, svg { display: block; max-width: 100%; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
a { color: var(--accent-cyan); text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---- SCANLINES ---- */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0,0,0,0.025) 3px,
    rgba(0,0,0,0.025) 6px
  );
}

/* ---- BG DECOS ---- */
.atom-deco {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.atom-deco--1 {
  width: 600px; height: 600px;
  top: -200px; right: -150px;
  background: radial-gradient(circle, rgba(26,110,138,0.06) 0%, transparent 70%);
  animation: pulse-bg 10s ease-in-out infinite alternate;
}
.atom-deco--2 {
  width: 500px; height: 500px;
  bottom: -100px; left: -150px;
  background: radial-gradient(circle, rgba(184,72,0,0.04) 0%, transparent 70%);
  animation: pulse-bg 13s ease-in-out infinite alternate-reverse;
}
@keyframes pulse-bg {
  from { opacity: 0.6; transform: scale(1); }
  to   { opacity: 1;   transform: scale(1.08); }
}

/* ---- MAIN ---- */
.main {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ---- HERO ---- */
.hero {
  width: 100%;
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-6) var(--space-8);
  text-align: center;
}

.hero-inner {
  max-width: var(--content);
  margin: 0 auto;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  color: var(--accent-amber);
  margin-bottom: var(--space-5);
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-headline);
  font-size: var(--text-hero);
  font-weight: 400; /* Bebas Neue is inherently bold */
  letter-spacing: -0.01em;
  line-height: 1.0;
  color: var(--accent-navy);
  margin-bottom: var(--space-6);
  text-transform: uppercase;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink-muted);
  max-width: 48ch;
  margin: 0 auto;
}

/* ---- GENERATOR ---- */
.generator {
  width: 100%;
  max-width: var(--content);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6) var(--space-16);
}

/* Tabs */
.category-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  border-bottom: 2px solid var(--border);
  padding-bottom: 0;
}

.tab-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border: 2px solid transparent;
  border-bottom: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  transition: color var(--transition), background var(--transition), border-color var(--transition);
  margin-bottom: -2px;
}

.tab-btn .tab-icon { font-size: 1.3em; line-height: 1; }

.tab-btn:hover {
  color: var(--accent-cyan);
  background: color-mix(in srgb, var(--accent-cyan) 6%, transparent);
}

.tab-btn.active {
  color: var(--accent-navy);
  background: var(--bg);
  border-color: var(--border);
  border-bottom-color: var(--bg);
  font-weight: 600;
}

/* Result card */
.result-panel { margin-bottom: var(--space-8); }

.result-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  min-height: 190px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  position: relative;
  box-shadow: var(--glow-navy), inset 0 1px 0 rgba(255,255,255,0.5);
}

/* Corner brackets */
.result-card::before,
.result-card::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--accent-cyan);
  border-style: solid;
  opacity: 0.5;
}
.result-card::before { top: 10px; left: 10px;  border-width: 2px 0 0 2px; }
.result-card::after  { bottom: 10px; right: 10px; border-width: 0 2px 2px 0; }

.result-category-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--accent-amber);
  text-transform: uppercase;
}

.result-name {
  font-family: var(--font-headline);
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--accent-navy);
  line-height: 1.05;
  word-break: break-word;
  transition: all 0.25s ease;
}

.name-placeholder {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
  animation: blink 1.5s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

.result-descriptor {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--ink-muted);
  max-width: 44ch;
  line-height: 1.55;
  min-height: 2.4em;
}

.result-stats {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}

.stat-badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  padding: 2px var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid;
}
.stat-badge--cyan   { color: var(--accent-cyan);   border-color: color-mix(in srgb, var(--accent-cyan) 40%, transparent);   background: color-mix(in srgb, var(--accent-cyan) 8%, transparent); }
.stat-badge--green  { color: var(--accent-green);  border-color: color-mix(in srgb, var(--accent-green) 40%, transparent);  background: color-mix(in srgb, var(--accent-green) 8%, transparent); }
.stat-badge--amber  { color: var(--accent-amber);  border-color: color-mix(in srgb, var(--accent-amber) 40%, transparent);  background: color-mix(in srgb, var(--accent-amber) 8%, transparent); }

/* Name flash animation */
@keyframes name-flash {
  0%   { opacity: 0; transform: scale(0.94) skewX(-1deg); filter: blur(3px); }
  45%  { opacity: 1; transform: scale(1.02) skewX(0deg);  filter: blur(0); }
  100% { opacity: 1; transform: scale(1); }
}
.name-flash { animation: name-flash 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

/* Controls */
.controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

/* Generate button */
.btn-generate {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-5) var(--space-12);
  background: linear-gradient(135deg, #b84800, #d45a00, #b84800);
  border-radius: var(--radius-full);
  box-shadow: var(--glow-orange), inset 0 1px 0 rgba(255,255,255,0.18);
  transition: transform var(--transition), box-shadow var(--transition);
  width: 100%;
  max-width: 340px;
  overflow: hidden;
}

.btn-generate::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.1) 50%, transparent 100%);
  pointer-events: none;
}

.btn-generate:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 28px rgba(184, 72, 0, 0.4), inset 0 1px 0 rgba(255,255,255,0.18);
}
.btn-generate:active { transform: translateY(0) scale(0.98); }

.btn-generate__text {
  font-family: var(--font-headline);
  font-size: var(--text-xl);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: #fff;
  line-height: 1;
  white-space: nowrap;
}

/* Energize pulse */
@keyframes energize {
  0%   { box-shadow: var(--glow-orange), 0 0 0 0 rgba(184, 72, 0, 0.6); }
  70%  { box-shadow: var(--glow-orange), 0 0 0 18px rgba(184, 72, 0, 0); }
  100% { box-shadow: var(--glow-orange), 0 0 0 0 rgba(184, 72, 0, 0); }
}
.btn-generate.energizing { animation: energize 0.55s ease-out; }

/* Copy button */
.btn-copy {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  background: var(--surface);
  transition: color var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.btn-copy:not([disabled]):hover {
  color: var(--accent-green);
  border-color: var(--accent-green);
  box-shadow: 0 2px 10px rgba(42, 110, 58, 0.18);
}
.btn-copy[disabled] { opacity: 0.4; cursor: not-allowed; }
.btn-copy.copied {
  color: var(--accent-green);
  border-color: var(--accent-green);
}

/* ---- FOOTER LOGO ---- */
.site-footer {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: var(--space-6) var(--space-6);
  display: flex;
  justify-content: center;
  align-items: center;
  background: #ffffff;
  border-top: 1px solid #e0d8cc;
  margin-top: auto;
}

.lt-logo {
  display: inline-flex;
  align-items: center;
  opacity: 0.8;
  transition: opacity var(--transition);
}
.lt-logo:hover { opacity: 1; }

.lt-wordmark {
  width: 150px;
  height: auto;
  display: block;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 480px) {
  .result-card { padding: var(--space-8) var(--space-5); }
  .result-stats { gap: var(--space-2); }
  .btn-generate { padding: var(--space-5) var(--space-8); }
  .tab-btn .tab-label { font-size: 0.62rem; }
  .category-tabs { gap: var(--space-1); }
  .hero-subtitle { font-size: var(--text-base); }
}