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

/* RevLearning Alt Text Helper — Styles
   Clean, minimal, dark neutral UI
*/

* { 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;
}

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

/* ===== Layout ===== */

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

.section{ min-width: 0; }

.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 Card Grids ===== */

.controls{
  padding: 6px 18px 18px;
  display: grid;
  gap: 16px;
}

.config-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  align-items: start;
}

.content-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 900px){
  .config-grid,
  .content-grid{
    grid-template-columns: 1fr;
  }
}

.control-group{
  display: grid;
  gap: 8px;
  min-width: 0;
}

.control-label{
  font-size: 12px;
  color: var(--muted);
}

/* Tight hint alignment */
.config-grid .hint{
  margin-top: 6px;
  line-height: 1.25;
  font-size: 11.5px;
  opacity: 0.9;
}

.hint{
  font-size: 12px;
  color: var(--muted);
}

/* ===== Inputs ===== */

textarea,
select,
input[type="number"],
input[type="text"],
input[type="file"]{
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--panel-2);
  color: var(--text);
  padding: 10px 12px;
  font-size: 13px;
  outline: none;
}

/* Make single-line controls consistent height */
select,
input[type="number"],
input[type="text"],
input[type="file"]{
  height: 42px;
}

textarea{
  resize: vertical;
  line-height: 1.5;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* Make short textareas consistent */
textarea[rows="2"]{
  min-height: 64px;
}

textarea:focus,
select:focus,
input:focus{
  box-shadow: 0 0 0 4px var(--focus);
  border-color: color-mix(in srgb, var(--accent) 65%, transparent);
}

/* ===== File Input Styling ===== */

input[type="file"]{
  padding: 10px 12px;
  height: 42px; 
  display: flex;
  align-items: center;
}

input[type="file"]::file-selector-button{
  border: 1px solid var(--border-strong);
  background: var(--btn);
  color: var(--text);
  border-radius: var(--radius);
  padding: 7px 10px;
  margin-right: 10px;
  cursor: pointer;
  line-height: 1;
  height: 28px;
  vertical-align: middle;
}

input[type="file"]::file-selector-button:hover{
  background: var(--btn-hover);
  border-color: rgba(255,255,255,0.22);
}

/* ===== Options ===== */

.actions{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.seg{
  display:flex;
  align-items:center;
  gap: 9px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  cursor: pointer;
}

.seg:hover{
  border-color: rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.05);
}

.seg input{
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--accent);
}

.seg span{
  font-size: 13px;
  color: var(--text);
}

/* ===== Buttons ===== */

.export{
  display:flex;
  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);
}

/* ===== Footer ===== */

.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;
}

.hidden{
  display:none !important;
}