/* assets/css/style.css - minimal professional styling */
:root{
  --primary:#128C7E;
  --muted:#777;
  --bg:#fff;
  --card:#fff;
  font-family: 'Roboto', sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:#222}
.centered-page{display:flex;min-height:100vh;align-items:center;justify-content:center;background:#f6f6f6}
.card{width:360px;max-width:95%;background:var(--card);padding:24px;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,0.08)}
.card h1{margin:0 0 12px;font-size:20px}
label{display:block;margin-top:10px;font-weight:600;font-size:13px}
input[type=text], input[type=password], input[type=search]{width:100%;padding:10px;border:1px solid #e0e0e0;border-radius:6px;margin-top:6px;font-size:15px}
.btn{display:inline-block;margin-top:14px;padding:10px 14px;border-radius:6px;background:var(--primary);color:#fff;border:none;font-weight:700;cursor:pointer;width:100%}
.muted{color:var(--muted);font-size:13px;margin-top:12px}
.error{background:#ffe6e6;color:#900;padding:8px;border-radius:6px;margin-bottom:8px;white-space:pre-wrap}

/* home page */
.appbar{background:var(--primary);color:#fff;padding:14px 16px;position:sticky;top:0}
.appbar .left{display:flex;align-items:center;gap:10px}
.appbar h1{font-size:20px;margin:0}
.tabs{display:flex;gap:20px;margin-top:8px}
.tab{padding:8px 0;color:#e6fff9;font-weight:700}
.tab.active{border-bottom:3px solid rgba(255,255,255,0.9)}

/* empty content */
.content{padding:18px}
.empty-area{height:520px}

/* fab */
.fab-row{position:fixed;right:18px;bottom:18px;display:flex;gap:12px;align-items:center}
.small-fab{width:56px;height:56px;border-radius:50%;background:#fff;border:4px solid rgba(0,0,0,0.06);display:flex;align-items:center;justify-content:center}
.fab{width:64px;height:64px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;box-shadow:0 8px 18px rgba(0,0,0,0.15)}

/* country overlay */
.overlay{display:none;position:fixed;inset:0;background:#fff;z-index:999;padding-top:40px}
.overlay-header{position:sticky;top:0;background:#fff;padding:12px 16px;border-bottom:1px solid #eee;display:flex;gap:8px}
.country-list{padding:12px;max-height:70vh;overflow:auto}
.country-item{padding:10px;border-bottom:1px solid #f0f0f0;cursor:pointer}
.country-item:hover{background:#f4f4f4}