/* main.css */
:root{
  --bg: #07110d;
  --panel: rgba(13, 24, 21, 0.72);
  --panel2: rgba(8, 16, 14, 0.80);
  --stroke: rgba(120, 255, 200, 0.14);
  --stroke2: rgba(120, 255, 200, 0.22);
  --text: rgba(235, 255, 245, 0.92);
  --muted: rgba(235, 255, 245, 0.60);
  --green: #2dff95;
  --green2: rgba(45, 255, 149, 0.20);
  --shadow: 0 18px 70px rgba(0,0,0,.55);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Noto Sans KR", "Apple SD Gothic Neo", Arial, sans-serif;
  --r: 18px;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--sans);
  color: var(--text);
  background: radial-gradient(1200px 700px at 30% 0%, rgba(45,255,149,.18), transparent 62%),
              radial-gradient(900px 500px at 80% 35%, rgba(45,255,149,.12), transparent 60%),
              linear-gradient(180deg, #050c0a, var(--bg));
}

a{ color: inherit; text-decoration:none; }
a:hover{ text-decoration: underline; }

.skip{
  position:absolute;
  left:-10000px;
  top:auto;
  width:1px; height:1px;
  overflow:hidden;
}
.skip:focus{
  left: 12px; top: 12px;
  width:auto; height:auto;
  padding:10px 12px;
  background: rgba(0,0,0,.85);
  border: 1px solid var(--stroke2);
  border-radius: 10px;
  z-index: 1000;
}

/* Layout */
.app-shell{
  display:grid;
  grid-template-columns: 280px minmax(0, 1fr) 320px;
  grid-template-rows: auto 1fr;
  grid-template-areas:
    "topbar topbar topbar"
    "sidebar main rail";
  gap: 18px;
  padding: 18px;
  min-height: 100vh;
}

/* Topbar */
.topbar{
  grid-area: topbar;
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.topbar__left, .topbar__right{
  display:flex;
  align-items:center;
  gap: 12px;
}

/* Brand */
.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .2px;
}
.brand__mark{
  width: 28px; height: 28px;
  display:grid; place-items:center;
  border-radius: 10px;
  border: 1px solid var(--stroke2);
  background: rgba(0,0,0,.25);
  color: var(--green);
  font-family: var(--mono);
}
.brand__name{ font-size: 20px; }

/* Primary nav */
.topnav{
  display:flex;
  gap: 8px;
  padding: 7px;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: rgba(0,0,0,.20);
}
.topnav__link{
  padding: 10px 14px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 600;
}
.topnav__link.is-active{
  color: var(--green);
  background: rgba(45,255,149,.10);
  border: 1px solid rgba(45,255,149,.18);
}

/* Search */
.search{
  position: relative;
  min-width: 260px;
}
.search__hint{
  position:absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  color: rgba(235,255,245,.45);
  pointer-events:none;
}
.search__input{
  width: 100%;
  padding: 12px 12px 12px 34px;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: rgba(0,0,0,.22);
  color: var(--text);
  outline: none;
}
.search__input:focus{
  border-color: rgba(45,255,149,.35);
  box-shadow: 0 0 0 3px rgba(45,255,149,.08);
}

/* Chip (language toggle) */
.chip{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: rgba(0,0,0,.22);
  color: var(--text);
  cursor: pointer;
}
.chip__dot{
  width: 10px; height: 10px;
  border-radius: 999px;
  background: rgba(45,255,149,.40);
  box-shadow: 0 0 0 3px rgba(45,255,149,.12);
}
.chip__text{ font-weight: 700; white-space: nowrap; }
.chip__kbd{
  font-family: var(--mono);
  color: rgba(235,255,245,.55);
  border: 1px solid var(--stroke);
  padding: 4px 8px;
  border-radius: 10px;
}

/* Icon button */
.iconbtn{
  border: 1px solid var(--stroke);
  background: rgba(0,0,0,.22);
  color: var(--text);
  border-radius: 14px;
  cursor: pointer;
}
.iconbtn:hover{ border-color: rgba(45,255,149,.30); }
.iconbtn--menu{
  padding: 10px 12px;
  font-family: var(--mono);
}
.iconbtn:not(.iconbtn--menu){
  padding: 10px 12px;
}

/* Sidebar */
.sidebar{
  grid-area: sidebar;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  overflow:auto;
}
.sidegroup{ padding: 6px 4px 16px 4px; }
.sidegroup__title{
  font-family: var(--mono);
  color: rgba(235,255,245,.55);
  font-size: 12px;
  letter-spacing: .14em;
  margin: 10px 6px;
}
.sidelink{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 11px 10px;
  border-radius: 14px;
  color: var(--text);
}
.sidelink:hover,
.sidelink.is-active{
  background: rgba(45,255,149,.06);
  border: 1px solid rgba(45,255,149,.10);
}
.dot{
  width: 10px; height: 10px;
  border-radius: 999px;
  background: rgba(45,255,149,.55);
}
.sidehint{
  margin-top: 8px;
  padding: 10px 8px;
  color: rgba(235,255,245,.60);
  font-family: var(--mono);
  font-size: 12px;
}

/* Main */
.main{
  grid-area: main;
  min-width: 0;
}
.hero{
  margin-bottom: 16px;
}
.hero__card{
  padding: 22px 22px;
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.hero__title{
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: rgba(196, 255, 228, 0.96);
}
.hero__sub{
  margin-top: 10px;
  color: rgba(235,255,245,.72);
  font-size: 18px;
}

/* Tool grid */
.toolgrid__cards{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.toolcard{
  padding: 18px;
  border-radius: 22px;
  background: var(--panel2);
  border: 1px solid var(--stroke);
  box-shadow: 0 14px 40px rgba(0,0,0,.45);
}
.toolcard__icon{
  width: 42px; height: 42px;
  border-radius: 14px;
  background: rgba(45,255,149,.12);
  border: 1px solid rgba(45,255,149,.18);
  margin-bottom: 10px;
}
.toolcard__name{
  font-family: var(--mono);
  font-weight: 800;
  font-size: 22px;
  margin-bottom: 6px;
}
.toolcard__desc{
  color: rgba(235,255,245,.65);
  margin-bottom: 14px;
  min-height: 36px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(45,255,149,.25);
  background: rgba(45,255,149,.18);
  color: rgba(235,255,245,.92);
  cursor: pointer;
  font-weight: 800;
  font-family: var(--mono);
}
.btn:hover{
  border-color: rgba(45,255,149,.35);
  background: rgba(45,255,149,.22);
}
.btn--primary{
  background: rgba(45,255,149,.26);
}
.btn--ghost{
  background: rgba(0,0,0,.18);
  border-color: var(--stroke);
}

/* Footer */
.footer{
  margin-top: 18px;
  padding: 10px 6px;
  display:flex;
  gap: 14px;
  align-items:center;
  color: rgba(235,255,245,.60);
  font-family: var(--mono);
  font-size: 12px;
}
.footer__link{
  color: rgba(196,255,228,.82);
}

/* Ads rail */
.rail{
  grid-area: rail;
  align-self: start;
}
@media (min-width: 981px){
  .rail{
    position: sticky;
    top: 84px;
  }
}
.adbox{
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.adbox__label{
  color: rgba(196,255,228,.82);
  font-family: var(--mono);
  font-size: 13px;
  margin-bottom: 10px;
}
.adbox__slot{
  border: 1px solid rgba(45,255,149,.25);
  border-radius: 18px;
  min-height: 240px;
  display:grid;
  place-items:center;
}
.adbox__inner{
  color: rgba(235,255,245,.65);
  font-family: var(--mono);
}

/* Inline ads for modal (A/B) */
.ad-inline{
  margin: 14px 0;
}
.adbox--inline{
  padding: 14px;
}
.adbox__slot--inline{
  min-height: 120px;
}

/* Modal */
.modal{
  position: fixed;
  inset: 0;
  display:grid;
  place-items:center;
  padding: 16px;
  background: rgba(0,0,0,.60);
  backdrop-filter: blur(10px);
  z-index: 1000;
}
.modal[hidden]{ display:none; }
.modal__dialog{
  width: min(900px, 100%);
  max-height: min(92vh, 980px);
  overflow:auto;
  background: rgba(8, 16, 14, 0.92);
  border: 1px solid rgba(45,255,149,.20);
  border-radius: 22px;
  box-shadow: 0 25px 120px rgba(0,0,0,.70);
}
.modal__header{
  display:flex;
  justify-content: space-between;
  align-items:center;
  padding: 14px 14px;
  border-bottom: 1px solid rgba(45,255,149,.12);
}
.modal__title{
  font-family: var(--mono);
  font-size: 16px;
  color: rgba(196,255,228,.92);
}
.modal__body{
  padding: 14px 14px 10px 14px;
}
.modal__footer{
  padding: 12px 14px 14px 14px;
  display:flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid rgba(45,255,149,.12);
}
.muted{
  color: rgba(235,255,245,.55);
  font-family: var(--mono);
  font-size: 12px;
}

/* Runner */
.runner__label{
  display:block;
  font-family: var(--mono);
  color: rgba(235,255,245,.70);
  margin-bottom: 8px;
}
.runner__input, .runner__textarea{
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(45,255,149,.18);
  background: rgba(0,0,0,.20);
  color: var(--text);
  padding: 12px 12px;
  outline: none;
}
.runner__textarea{ display:none; resize: vertical; }
.runner__actions{
  display:flex;
  gap: 10px;
  margin-top: 12px;
}

/* Run state */
.runstate{
  margin-top: 10px;
  border: 1px solid rgba(45,255,149,.10);
  border-radius: 18px;
  padding: 14px;
  background: rgba(0,0,0,.18);
}
.runstate__top{
  display:flex;
  align-items:center;
  gap: 10px;
}
.runstate__msg{
  font-family: var(--mono);
  color: rgba(235,255,245,.75);
}
.spinner{
  width: 14px; height: 14px;
  border-radius: 999px;
  border: 2px solid rgba(235,255,245,.22);
  border-top-color: rgba(45,255,149,.85);
  animation: spin .9s linear infinite;
  display:none;
}
.spinner.is-on{ display:inline-block; }
@keyframes spin{ to{ transform: rotate(360deg); } }

.steps{
  margin: 12px 0 0 0;
  padding-left: 18px;
  color: rgba(235,255,245,.62);
  font-family: var(--mono);
  font-size: 12px;
}
.steps li{ margin: 6px 0; }
.steps li.is-done{ color: rgba(45,255,149,.85); }
.steps li.is-active{ color: rgba(196,255,228,.95); }

.result{
  margin-top: 12px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(45,255,149,.16);
  background: rgba(0,0,0,.22);
  color: rgba(235,255,245,.80);
  font-family: var(--mono);
  font-size: 12px;
  overflow-x: hidden;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 120px;
}

/* Drawer backdrop */
.drawer-backdrop{ display:none; }

/* Responsive */
@media (max-width: 980px){
  .app-shell{
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    grid-template-areas:
      "topbar"
      "main";
  }

  /* Topbar becomes 2-row: left then right */
  .topbar{
    flex-wrap: wrap;
    align-items: stretch;
    gap: 10px;
  }
  .topbar__left, .topbar__right{
    width: 100%;
    flex-wrap: wrap;
  }
  .topnav{
    flex: 1 0 100%;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  .search{
    flex: 1 0 100%;
    min-width: 0;
  }
  .chip{
    margin-left: auto;
    padding: 9px 10px;
  }

  /* Hide desktop rail on mobile (avoid intrusive/sticky) */
  .rail{ display:none; }

  /* Sidebar drawer */
  .sidebar{
    position: fixed;
    left: 12px;
    top: 76px;
    bottom: 12px;
    width: min(340px, calc(100vw - 24px));
    z-index: 900;
    transform: translateX(-120%);
    transition: transform 180ms ease;
  }
  .sidebar.is-open{ transform: translateX(0); }

  .drawer-backdrop{
    position: fixed;
    inset: 0;
    z-index: 850;
    background: rgba(0,0,0,.60);
    backdrop-filter: blur(6px);
    display:none;
  }
  .drawer-backdrop.is-open{ display:block; }

  .toolgrid__cards{
    grid-template-columns: 1fr;
  }
  .hero__title{ font-size: 40px; }
}

/* Tool icons */
.toolcard__icon{
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.toolcard__svg{
  width: 26px;
  height: 26px;
  filter: drop-shadow(0 0 10px rgba(45,255,149,.10));
  opacity: .95;
}

/* Modal tool fields */
.fields{
  display:flex;
  flex-direction: column;
  gap: 12px;
}
.field{
  display:flex;
  flex-direction: column;
  gap: 8px;
}
.field__label{
  font-family: var(--mono);
  color: rgba(235,255,245,.70);
  font-size: 12px;
}
.field__input, .field__textarea, .field__select{
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(45,255,149,.18);
  background: rgba(0,0,0,.20);
  color: var(--text);
  padding: 12px 12px;
  outline: none;
}
.field__textarea{ resize: vertical; }

.field__toggleRow{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(45,255,149,.14);
  background: rgba(0,0,0,.18);
}
.field__toggle{
  width: 18px;
  height: 18px;
  accent-color: var(--green);
}
.field__toggleText{
  font-family: var(--mono);
  color: rgba(235,255,245,.78);
  font-size: 12px;
}

/* Tool card interactions */
.toolcard--clickable{
  cursor: pointer;
  outline: none;
}
.toolcard--clickable:hover{
  border-color: rgba(45,255,149,.25);
}
.toolcard--clickable:focus-visible{
  border-color: rgba(45,255,149,.25);
  box-shadow: 0 0 0 3px rgba(45,255,149,.08);
}

.result__main{
  white-space: pre-wrap;
  word-break: break-word;
}
.result__actions{
  margin-top: 10px;
  display:flex;
  justify-content:flex-end;
}
.result--ip .result__main{
  font-family: var(--mono);
  font-size: 34px;
  line-height: 1.15;
  color: rgba(235,255,245,.92);
  letter-spacing: .02em;
}
.result--ip .result__main .mutedline{
  margin-top: 8px;
  font-size: 12px;
  color: rgba(235,255,245,.55);
}

.debug{
  margin-top: 10px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(45,255,149,.12);
  background: rgba(0,0,0,.18);
}
.debug__title{
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(235,255,245,.62);
  margin-bottom: 8px;
}
.debug__pre{
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(235,255,245,.70);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: hidden;
}

.steps li.is-toggle{
  cursor: pointer;
}
.steps li.is-toggle:hover{
  border-color: rgba(45,255,149,.22);
}

.result__main.is-copyable{ cursor: copy; }