/* base: fonts, variables, reset, layout */

/* DM Sans — latin-ext */
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/dm-sans-latin-ext.woff2") format("woff2");
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304,
    U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB,
    U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* DM Sans — latin */
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/dm-sans-latin.woff2") format("woff2");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212,
    U+2215, U+FEFF, U+FFFD;
}
/* JetBrains Mono — latin-ext */
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("fonts/jetbrains-mono-latin-ext.woff2") format("woff2");
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304,
    U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB,
    U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* JetBrains Mono — latin */
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("fonts/jetbrains-mono-latin.woff2") format("woff2");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212,
    U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a24;
  --bg-hover: #22222e;

  --text-primary: #ffffff;
  --text-secondary: #8888a0;
  --text-muted: #8888a0;

  --accent-primary: #00d4aa;
  --accent-secondary: #00b894;
  --accent-glow: rgba(0, 212, 170, 0.3);

  --upload-color: #667eea;
  --download-color: #00d4aa;

  --error: #ff6b6b;
  --warning: #feca57;

  --font-display: "JetBrains Mono", "SF Mono", monospace;
  --font-body: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
  --motion-duration-fast: 0.15s;
  --motion-duration-base: 0.2s;
  --motion-duration-medium: 0.3s;
  --motion-duration-fade: 0.4s;
  --motion-duration-slow: 0.5s;
  --motion-delay-1: 0.1s;
  --motion-delay-2: 0.2s;
  --motion-delay-3: 0.3s;
  --motion-delay-4: 0.4s;
  --motion-delay-5: 0.5s;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #f6f8fb;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #e8edf5;

    --text-primary: #111827;
    --text-secondary: #334155;
    --text-muted: #64748b;

    --accent-glow: rgba(0, 212, 170, 0.22);
    --error: #dc2626;
    --warning: #d97706;
  }
}

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

html {
  font-size: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

.skip-link {
  position: absolute;
  left: var(--space-md);
  top: -120px;
  z-index: 1000;
  background: var(--accent-primary);
  color: var(--bg-primary);
  text-decoration: none;
  font-weight: 700;
  border-radius: 6px;
  padding: var(--space-sm) var(--space-md);
  transition: top var(--motion-duration-base) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-md);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(
      ellipse 80% 50% at 50% -20%,
      rgba(0, 212, 170, 0.08),
      transparent
    ),
    radial-gradient(
      ellipse 60% 40% at 100% 100%,
      rgba(102, 126, 234, 0.05),
      transparent
    );
  pointer-events: none;
  z-index: -1;
}

.app {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.link-plain {
  text-decoration: none;
}

.server-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.logo-accent {
  color: var(--accent-primary);
}

.server-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.server-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background var(--motion-duration-medium) ease;
}

.server-dot.connected {
  background: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-glow);
}

.server-dot.error {
  background: var(--error);
}

.server-dot.warning {
  background: var(--warning);
  box-shadow: 0 0 8px rgba(254, 202, 87, 0.35);
}

.main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  padding-left: calc(var(--space-xl) + env(safe-area-inset-left));
  padding-right: calc(var(--space-xl) + env(safe-area-inset-right));
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.results-view .main {
  align-items: flex-start;
  padding-top: var(--space-lg);
  padding-bottom: calc(var(--space-2xl) + env(safe-area-inset-bottom));
}

.download-main {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-xl);
}

.footer {
  padding: var(--space-lg) var(--space-xl);
  padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom));
  padding-left: calc(var(--space-xl) + env(safe-area-inset-left));
  padding-right: calc(var(--space-xl) + env(safe-area-inset-right));
  text-align: center;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.footer-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 var(--space-sm);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  text-decoration: none;
  transition: color var(--motion-duration-base) ease;
}

.footer-link:hover {
  color: var(--text-secondary);
}

.footer-divider {
  color: var(--text-muted);
}