@import url("./tokens.css");

/* RevLearning — Shared Tool Styles (dark neutral) */
* { box-sizing: border-box; }
html { height: 100%; background: var(--bg); }
body { min-height: 100vh; }

body{
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
}

.app-shell{
  width: min(var(--shell-max), calc(100% - 36px));
  margin: 0 auto;
}

.app-header{
  padding: 26px 0 18px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}

.brand{
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark{
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--accent);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.14);
}

.brand-text h1{
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-text p{
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.layout{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-lg);
  padding: 24px 0 34px;
}

.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-head{
  padding: 18px 18px 10px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.10);
}

.card-head h2{ margin: 0; font-size: 15px; font-weight: 700; }
.muted{ color: var(--muted); font-size: 13px; margin: 6px 0 0; }

.input-field{ padding: 16px 18px 10px; }
.input-field.stacked label{
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 8px;
}

textarea{
  width: 100%;
  min-height: 170px;
  resize: vertical;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--panel-2);
  color: var(--text);
  padding: 12px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
  line-height: 1.5;
  outline: none;
}
textarea:focus{
  box-shadow: 0 0 0 4px var(--focus);
  border-color: color-mix(in srgb, var(--accent) 65%, transparent);
}

.controls{
  padding: 6px 18px 18px;
  display: grid;
  gap: 14px;
}
.control-group{ display: grid; gap: 10px; }
.control-label{ font-size: 12px; color: var(--muted); user-select: none; }

select, input[type="number"], input[type="text"]{
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--panel-2);
  color: var(--text);
  padding: 10px 10px;
  font-size: 13px;
  outline: none;
}
select:focus, input[type="number"]:focus, input[type="text"]:focus{
  box-shadow: 0 0 0 4px var(--focus);
  border-color: color-mix(in srgb, var(--accent) 65%, transparent);
}

.actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
}

.seg{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
}
.seg:hover{
  border-color: rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.05);
}
.seg input{ accent-color: var(--accent); }
.seg span{ font-size: 13px; color: var(--text); }

.thresholds{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
@media (max-width: 520px){
  .thresholds{ grid-template-columns: 1fr; }
}
.threshold label{
  display:block;
  font-size:12px;
  color: var(--muted);
  margin:0 0 6px;
}

.export{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn{
  border: 1px solid var(--border-strong);
  background: var(--btn);
  color: var(--text);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.03s ease, background 0.12s ease, border-color 0.12s ease;
}
.btn:hover{ background: var(--btn-hover); border-color: rgba(255,255,255,0.22); }
.btn:active{ transform: translateY(1px); }
.btn.secondary{ background: transparent; }
.btn.secondary:hover{ background: rgba(255,255,255,0.06); }

.hint{
  width: 100%;
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.toast{
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity 0.18s ease, transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
  user-select: none;
}
.toast.show{
  opacity: 1;
  transform: translateY(0);
  border-color: rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
}
.toast.error{
  color: #ffd0d0;
  border-color: rgba(255,93,93,0.35);
  background: rgba(255,93,93,0.10);
}
.toast.link{
  color: #d4ffe8;
  border-color: color-mix(in srgb, var(--good) 35%, transparent);
  background: color-mix(in srgb, var(--good) 10%, transparent);
}

/* Pro additions */
.head-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}
.out-meta{
  display:flex;
  gap: 8px;
  flex-wrap:wrap;
}
.pill{
  font-size: 12px;
  color: var(--muted);
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  user-select: none;
}
.preview-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  margin-top: 10px;
}
.preview-label{ font-size: 12px; }
.preview-path{
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--text);
}

textarea.updated{
  box-shadow: 0 0 0 3px var(--focus);
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  transition: box-shadow 0.18s ease, border-color 0.18s ease;
}

.app-footer{
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 10px 0 22px;
  border-top: 1px solid var(--border);
  margin-top: 6px;
}
.app-footer .dot{ opacity:0.55; }
.hidden{ display:none !important; }