/* --- Design Tokens --- */
:root{
  --bg: #f7fbff;
  --card: #ffffff;
  --text: #0b2545;
  --muted: #5b7083;
  --border: #e4eef9;
  --blue-50:#f0f6ff;
  --blue-100:#e1eeff;
  --blue-200:#cfe3ff;
  --blue-400:#5aa0ff;
  --blue-500:#2b7cff;
  --blue-600:#1966e6;
  --focus:#2b7cff;
  --radius:16px;
  --shadow: 0 14px 40px rgba(22, 85, 170, 0.12);
}

/* --- Base --- */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Helvetica Neue", "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: url('https://media.istockphoto.com/id/1253590992/id/vektor/biru-muda-warna-lembut-pastel-sederhana-untuk-latar-belakang-warna-polos-biru-untuk.jpg?s=612x612&w=0&k=20&c=j1h9D1hOD16LoOfPonlpz6b2VFVqzJFmtPVY1a54UCU=') no-repeat center center fixed;
  background-size: cover;
  color: var(--text);
}

/* --- Header Section --- */
header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 20px;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  box-shadow: var(--shadow);
}

.logo {
  width: 40px; /* Adjust this to the size you prefer */
  height: 40px; /* Same here */
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 10px; /* Adds space between the logo and title */
}

.logo-image {
  width: 100%; /* Ensure the image fills the container */
  height: 100%; /* Ensure the image fills the container */
  object-fit: cover; /* Make sure it scales correctly without distortion */
}

.title {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
}


/* --- Layout --- */
.wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 24px 24px; /* Padding for header space */
}

.card {
  width: min(680px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(18px, 4vw, 28px);
}

.welcome-message {
  text-align: center;
  font-size: 1.2rem;
  margin-bottom: 20px;
}

/* --- Form Section --- */
form {
  margin-top: 14px;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.row .full {
  grid-column: 1 / -1;
}

.label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  margin: 10px 0 6px;
}

.input, .button {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  outline: none;
  font-size: 15px;
  background: #fff;
}

.input:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--focus) 18%, transparent);
}

.hint {
  font-size: 13px;
  color: var(--muted);
  margin-top: 6px;
}

.button {
  background: linear-gradient(180deg, var(--blue-500), var(--blue-600));
  color: #fff;
  border: none;
  font-weight: 700;
  letter-spacing: .2px;
  cursor: pointer;
  transition: transform .05s ease, filter .15s ease;
}

.button:hover {
  filter: brightness(1.03);
}

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

/* --- Admin Popup (Hidden by Default) --- */
.popup {
  position: fixed;
  inset: 0;
  display: none; /* Hide by default */
  align-items: center;
  justify-content: center;
  background: rgba(10, 25, 41, .35);
  backdrop-filter: blur(3px);
  padding: 20px;
}

.popup.show {
  display: flex; /* Show the popup when 'show' class is added */
}

.popup-inner {
  width: min(720px, 96vw);
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 18px;
}

.popup-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.icon-btn {
  border: none;
  background: #fff;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid var(--border);
}

.icon-btn:hover {
  background: var(--blue-50);
}

/* --- Admin Banner --- */
.admin-tip {
  margin-top: 16px;
  background: var(--blue-50);
  border: 1px dashed var(--blue-200);
  border-radius: 12px;
  padding: 12px;
  color: var(--muted);
  font-size: 13px;
}

/* --- Responsive Design --- */
@media (max-width: 720px) {
  .row {
    grid-template-columns: 1fr;
  }
  
.button:disabled {
  background: #cccccc; /* Warna abu-abu */
  color: #666666;      /* Warna teks lebih gelap */
  cursor: not-allowed; /* Kursor tanda larangan */
  filter: none;        /* Hilangkan efek hover */
  transform: none;     /* Hilangkan efek klik */
}
}