/* easymarkdown.io — design tokens, global reset, shared components */

/* ---- TOKENS: dark (default) ---- */
:root,
:root[data-theme="dark"] {
  /* surfaces */
  --bg:        #08090a;
  --bg-1:      #0c0e10;
  --bg-2:      #121519;
  --bg-3:      #181c21;
  --border:    rgba(255,255,255,0.08);
  --border-2:  rgba(255,255,255,0.13);
  --border-3:  rgba(255,255,255,0.20);

  /* text */
  --text:      #eef1f3;
  --text-2:    #9aa1aa;
  --text-3:    #646b74;
  --text-4:    #3f454d;

  /* accent — green glow */
  --accent:      #4ade80;
  --accent-2:    #34d77a;
  --accent-dim:  #2faa61;
  --accent-deep: #0f3d24;
  --on-accent:   #04140a;
  --glow:        rgba(74,222,128,0.45);
  --glow-soft:   rgba(74,222,128,0.14);

  /* typography */
  --font-sans: 'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* layout */
  --maxw:      1180px;
  --radius:    14px;
  --radius-sm: 9px;

  /* spacing scale (4px base) */
  --space-1:  4px;
  --space-2:  8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 22px;
  --space-6: 36px;
  --space-7: 64px;
  --space-8: 96px;
}

/* ---- TOKENS: light ---- */
:root[data-theme="light"] {
  --bg:        #f6f7f4;
  --bg-1:      #ffffff;
  --bg-2:      #f0f2ed;
  --bg-3:      #e7eae2;
  --border:    rgba(18,22,20,0.10);
  --border-2:  rgba(18,22,20,0.16);
  --border-3:  rgba(18,22,20,0.26);

  --text:      #14171a;
  --text-2:    #51585d;
  --text-3:    #828990;
  --text-4:    #aeb4ba;

  --accent:      #16a34a;
  --accent-2:    #15873f;
  --accent-dim:  #15873f;
  --accent-deep: #dcf6e4;
  --on-accent:   #ffffff;
  --glow:        rgba(22,163,74,0.22);
  --glow-soft:   rgba(22,163,74,0.07);
}

/* ---- GLOBAL RESET ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
  transition: background .35s ease, color .35s ease;
}
::selection { background: var(--accent); color: var(--on-accent); }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ---- UTILITY CLASSES ---- */
.mono    { font-family: var(--font-mono); }
.muted   { color: var(--text-2); }
.glow-text { text-shadow: 0 0 26px var(--glow); }

/* grid backdrop */
.grid-bg {
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* always-dark islands (terminals, code blocks) */
:root[data-theme="light"] .dark-island {
  --bg:#08090a; --bg-1:#0c0e10; --bg-2:#121519; --bg-3:#181c21;
  --border:rgba(255,255,255,0.08); --border-2:rgba(255,255,255,0.13);
  --text:#eef1f3; --text-2:#9aa1aa; --text-3:#646b74; --text-4:#3f454d;
  --accent:#4ade80; --accent-deep:#0f3d24; --on-accent:#04140a;
  --glow:rgba(74,222,128,0.45); --glow-soft:rgba(74,222,128,0.14);
  color: var(--text);
}

/* ---- SHARED COMPONENTS ---- */

/* Logo caret */
.logo, .brand {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -.02em;
  color: var(--text);
}
.caret, .cv {
  display: inline-block;
  width: 9px;
  height: 19px;
  background: var(--accent);
  margin-left: 3px;
  border-radius: 1px;
  box-shadow: 0 0 12px var(--glow);
  transform: translateY(-0.1em);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  border: none;
  padding: 11px 18px;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  text-decoration: none;
  transition: transform .15s, box-shadow .2s, background .2s, border-color .15s;
}
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 0 0 1px rgba(74,222,128,.4), 0 8px 30px -8px var(--glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px var(--accent), 0 12px 40px -6px var(--glow);
}
.btn-ghost {
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--border-2);
  font-family: var(--font-mono);
  font-size: 13px;
}
.btn-ghost:hover { border-color: var(--border-3); background: var(--bg-3); }
.btn-danger {
  background: rgba(255,107,94,.1);
  color: #ff8b7e;
  border: 1px solid rgba(255,107,94,.3);
}
.btn-danger:hover { background: rgba(255,107,94,.16); }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn-lg { padding: 13px 20px; font-size: 15px; }

/* Badges */
.badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 9px;
  border-radius: 20px;
  font-weight: 500;
}
.badge.green  { background: var(--accent-deep); color: var(--accent); border: 1px solid rgba(74,222,128,.3); }
.badge.amber  { background: rgba(254,188,46,.12); color: #febc2e; border: 1px solid rgba(254,188,46,.3); }
.badge.gray   { background: var(--bg-2); color: var(--text-3); border: 1px solid var(--border-2); }
.badge.red    { background: rgba(255,107,94,.1); color: #ff8b7e; border: 1px solid rgba(255,107,94,.3); }

/* Form input */
.input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  color: var(--text);
  font-size: 14px;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus { border-color: var(--accent-dim); box-shadow: 0 0 0 3px var(--glow-soft); }
.input::placeholder { color: var(--text-4); }
.input.mono { font-family: var(--font-mono); font-size: 13px; }

/* Toggle switch */
.toggle {
  position: relative;
  width: 42px;
  height: 24px;
  border-radius: 20px;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  cursor: pointer;
  transition: background .18s, border-color .18s;
  flex: none;
}
.toggle::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-2);
  transition: left .18s, background .18s;
}
.toggle.on { background: var(--accent); border-color: var(--accent); }
.toggle.on::after { left: 21px; background: var(--on-accent); }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  opacity: 0;
  pointer-events: none;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  color: var(--text);
  padding: 11px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-family: var(--font-mono);
  box-shadow: 0 14px 40px -10px rgba(0,0,0,.6);
  transition: opacity .25s, transform .25s;
  z-index: 100;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast b { color: var(--accent); }

/* Theme toggle button */
.theme-toggle {
  position: fixed;
  bottom: 22px;
  right: 22px;
  z-index: 90;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  cursor: pointer;
  display: grid;
  place-items: center;
  background: var(--bg-1);
  border: 1px solid var(--border-2);
  color: var(--text-2);
  font-size: 17px;
  box-shadow: 0 10px 34px -12px rgba(0,0,0,.5);
  transition: color .15s, border-color .15s, transform .15s, background .35s;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--border-3); transform: translateY(-1px); }
.theme-toggle .sun  { display: none; }
.theme-toggle .moon { display: block; }
:root[data-theme="light"] .theme-toggle .sun  { display: block; }
:root[data-theme="light"] .theme-toggle .moon { display: none; }