/* ===== Base ===== */
* { box-sizing: border-box; }

:root{
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e5e7eb;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;

  --success: #16a34a;
  --success-hover: #15803d;

  --danger: #ef4444;
  --danger-hover: #dc2626;

  --shadow: 0 12px 30px rgba(15, 23, 42, 0.10);
  --radius: 16px;
}

html, body { height: 100%; }

body{
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 15% 10%, #e0e7ff 0%, transparent 60%),
    radial-gradient(900px 500px at 85% 0%, #cffafe 0%, transparent 55%),
    var(--bg);
}

/* ===== Layout ===== */
.container{
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 16px 52px;
}

.topbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.brand h1{
  margin: 0;
  font-size: 20px;
  letter-spacing: .2px;
}

.brand p{
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.grid{
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 860px){
  .grid{ grid-template-columns: 1fr 1fr; }
}

.section-title{
  margin: 0 0 12px;
  font-size: 18px;
}

/* ===== Status pill ===== */
.status{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.7);
}

.badge{
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: #f8fafc;
  color: #334155;
}

.badge.ok{
  border-color: #bbf7d0;
  background: #ecfdf5;
  color: #065f46;
}
.badge.guest{
  border-color: #e5e7eb;
  background: #f8fafc;
  color: #334155;
}

.note{
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
}

/* ===== Forms ===== */
label{
  display: block;
  margin: 10px 0 6px;
  font-size: 13px;
  color: var(--muted);
}

input[type="text"], input[type="password"]{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  outline: none;
  background: #fff;
}

input[type="text"]:focus, input[type="password"]:focus{
  border-color: #c7d2fe;
  box-shadow: 0 0 0 4px rgba(99,102,241,.12);
}

/* ===== Buttons ===== */
.actions{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.btn{
  appearance: none;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 11px 14px;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  transition: background .15s ease, border-color .15s ease, transform .02s ease;
  user-select: none;
}

.btn:active{ transform: translateY(1px); }

.btn-primary{
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover{ background: var(--primary-hover); }

.btn-success{
  background: var(--success);
  color: #fff;
}
.btn-success:hover{ background: var(--success-hover); }

.btn-danger{
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover{ background: var(--danger-hover); }

.btn-outline{
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover{
  background: #f8fafc;
  border-color: #cbd5e1;
}

/* ===== Links ===== */
a{
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}
a:hover{ text-decoration: underline; }