/* assets/styles.css
   Design épuré, mobile-first, accessible.
   Utilise variables CSS pour facilement ajuster couleurs/espacements.
*/

/* Reset minimal */
*,
*::before,
*::after { box-sizing: border-box; }
:root{
  --bg: #f6f7fb;
  --card: #ffffff;
  --muted: #6b7280;
  --text: #0f172a;
  --accent: #2563eb; /* bleu */
  --accent-600: #1e40af;
  --danger: #ef4444;
  --radius: 10px;
  --gap: 16px;
  --container-max: 1100px;
  --shadow: 0 6px 20px rgba(16,24,40,0.08);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", "Segoe UI Mono", monospace;
  --ui-font: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --focus: 3px solid rgba(37,99,235,0.16);
  --transition: 180ms cubic-bezier(.2,.9,.3,1);
}

/* Base */
html,body{height:100%;}
body{
  margin:0;
  font-family:var(--ui-font);
  background: linear-gradient(180deg, var(--bg), #eef2ff 120%);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.45;
  padding: clamp(12px, 3vw, 28px);
}

/* Layout container */
.container{
  max-width: var(--container-max);
  margin: 0 auto;
  padding: clamp(12px, 2vw, 24px);
}

/* Card */
.card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding: clamp(12px, 2.2vw, 20px);
}

/* Header / topbar */
.topbar{
  display:flex;
  gap:var(--gap);
  align-items:center;
  justify-content:space-between;
  margin-bottom:16px;
}
.brand{
  display:flex;
  gap:12px;
  align-items:center;
  text-decoration:none;
  color:var(--text);
}
.brand .logo{
  width:44px;
  height:44px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--accent),var(--accent-600));
  display:flex;
  align-items:center;
  justify-content:center;
  color:white;
  font-weight:700;
  font-family:var(--mono);
  box-shadow:0 4px 12px rgba(37,99,235,0.12);
}
.brand h1{
  font-size:1rem;
  margin:0;
  line-height:1;
}
.brand p{margin:0;font-size:.8rem;color:var(--muted);}

/* Main area grid */
.main{
  display:grid;
  grid-template-columns: 1fr;
  gap:16px;
}

/* On wider screens, 2-col layout: upload panel + history/list */
@media(min-width:900px){
  .main{ grid-template-columns: 520px 1fr; align-items:start; }
}

/* Form styles */
.form-row{display:flex;flex-direction:column;gap:8px;margin-bottom:12px;}
label{font-size:.9rem;color:var(--muted);display:block;}
input[type="text"],
input[type="password"],
input[type="number"],
input[type="file"],
textarea,
select{
  width:100%;
  padding:10px 12px;
  border-radius:8px;
  border:1px solid #e6e9ef;
  background: #fff;
  transition: box-shadow var(--transition), border-color var(--transition);
  font-size:0.95rem;
}
input[type="file"]{padding:8px 10px;}

input:focus, textarea:focus, select:focus{
  outline: none;
  box-shadow: var(--focus);
  border-color: var(--accent);
}

/* Buttons */
.btn{
  display:inline-flex;
  gap:8px;
  align-items:center;
  justify-content:center;
  padding:10px 14px;
  border-radius:10px;
  background:var(--accent);
  color:white;
  text-decoration:none;
  border:0;
  cursor:pointer;
  transition:transform var(--transition), box-shadow var(--transition);
  font-weight:600;
}
.btn:active{transform:translateY(1px);}
.btn.secondary{
  background:transparent;
  color:var(--accent);
  border:1px solid rgba(37,99,235,0.12);
  font-weight:600;
}
.btn.ghost{
  background:transparent;
  color:var(--muted);
  border:1px dashed #e6e9ef;
}

/* Small helpers */
.hint{font-size:.85rem;color:var(--muted);margin-top:6px;}
.kv{display:flex;gap:8px;align-items:center;}
.badge{background:#eef2ff;color:var(--accent-600);padding:6px 10px;border-radius:999px;font-size:.85rem;font-weight:600;}

/* File list */
.files-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.file-item{
  display:flex;
  gap:12px;
  align-items:center;
  padding:10px;
  border-radius:8px;
  border:1px solid #f0f3f6;
  background:linear-gradient(180deg, #fff, #fbfdff);
}
.file-thumb{
  width:48px;height:48px;border-radius:8px;flex:0 0 48px;display:flex;align-items:center;justify-content:center;
  background:#f7f9fc;color:var(--muted);font-weight:700;font-family:var(--mono);
}
.file-meta{flex:1;min-width:0;}
.file-name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.file-size{font-size:.85rem;color:var(--muted);margin-top:4px;}
.file-actions{display:flex;gap:8px;align-items:center}

/* Notice / alert */
.alert{
  padding:10px 12px;border-radius:8px;font-size:.95rem;
  background:#fff6f6;color:var(--danger);border:1px solid rgba(239,68,68,0.12);
}

/* Footer small */
.site-footer{margin-top:18px;padding-top:8px;border-top:1px solid #eef2f8;color:var(--muted);font-size:.85rem;}

/* Utility responsive tweaks */
@media(max-width:480px){
  .brand h1{font-size:.95rem;}
  .file-item{padding:8px;}
  .file-thumb{width:40px;height:40px}
}

/* Tiny accessibility focus styles for links */
a:focus{outline: none; box-shadow: var(--focus); border-radius:6px;}