@font-face {
  font-family: "Geist Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url("../fonts/geist-latin-wght-normal.woff2") format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Geist Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url("../fonts/geist-latin-ext-wght-normal.woff2") format("woff2-variations");
  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;
}

@font-face {
  font-family: "Geist Mono Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url("../fonts/geist-mono-latin-wght-normal.woff2") format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Geist Mono Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url("../fonts/geist-mono-latin-ext-wght-normal.woff2") format("woff2-variations");
  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;
}

:root {
  --bg: #0a0d12;
  --surface: #12151d;
  --surface-2: #181c26;
  --border: #262b38;
  --text: #e7eaf1;
  --text-muted: #8c93a6;
  --accent: #5fc9e8;
  --accent-dim: rgba(95, 201, 232, 0.16);
  --accent-text: #06141a;
  --danger: #ea6472;
  --danger-dim: rgba(234, 100, 114, 0.16);
  --radius: 10px;
  --radius-sm: 6px;
  --font-sans: "Geist Variable", system-ui, sans-serif;
  --font-mono: "Geist Mono Variable", ui-monospace, monospace;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.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;
}

a,
button,
input,
select {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

::selection {
  background: var(--accent-dim);
  color: var(--text);
}

/* Shared icon-button primitive */

.icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.icon-btn svg {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-out);
}

/* Two-state icon swap (e.g. play/pause, caret up/down): both icons sit
   stacked in the same spot and crossfade instead of popping instantly,
   so the button reads as changing state rather than glitching. */
.icon-btn svg.icon-hidden {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.6);
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .icon-btn svg {
    transition-duration: 0.01ms;
  }
}

.icon-btn:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
}

.icon-btn:active {
  transform: scale(0.96);
}

.icon-btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}

.icon-btn-accent:hover {
  background: var(--accent);
  opacity: 0.9;
}