:root {
  --bg: #f4f4f4;        /* Light gray background */
  --panel: #ffffff;     /* White panels/cards */
  --text: #333333;      /* Dark gray text for contrast */
  --muted: #0d2a59;     /* Muted text */
  --accent: #0d2a59;    /* Blue accent (CTA, hover) */
  --danger: #dc3545;    /* Red for errors */
  --ok: #28a745;        /* Green for success */
  --border: #dcdcdc;    /* Light gray borders */
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Segoe UI, system-ui, -apple-system, sans-serif;
}

/* Header */
header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 10;
}
header h1 {
  font-size: 1.2rem;
  margin: 0;
}
header input {
  flex: 1;
  max-width: 420px;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
}

/* Navigation */
nav {
  padding: 0.5rem 1rem;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}
nav li a {
  display: inline-block;
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  background: #f9f9f9;
}
nav li a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Main content */
main { padding: 1rem; }

#gridSection {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}
#gridTitle {
  margin-top: 0;
  font-size: 1.1rem;
  color: var(--muted);
}

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border);
}
thead th {
  text-align: left;
  padding: 0.5rem 0.5rem;
  background: var(--accent);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  color: #ffffff;
}
tbody td {
  padding: 0.5rem 0.5rem;
  border-bottom: 1px solid var(--border);
}
tbody tr:hover td {
  background: #e9f2ff; /* light blue hover */
}

/* Editable cells */
td.editable {
  background: #f9f9f9;
  outline: none;
}
td.readonly {
  color: var(--muted);
}
td.pending {
  background: #e0f0ff;
}
td.error {
  background: #ffe0e0;
}

/* Actions row */
.actions {
  display: flex;
  justify-content: space-between; /* left group and right group */
  align-items: center;
  margin-top: 1rem;
}
.actions .left {
  display: flex;
  gap: 10px;
}
.actions .pagination {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* Buttons */
button {
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #f9f9f9;
  color: var(--text);
  cursor: pointer;
}
button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Danger (Delete) */
button.danger {
  border-color: var(--danger);
  color: var(--danger);
}
button.danger:hover {
  background-color: var(--danger);
  color: #fff;
}

/* Success (Add) */
button.success {
  background-color: var(--ok);
  color: #fff;
  border: 1px solid #1e7e34;
}
button.success:hover {
  background-color: #218838; /* darker green */
  border-color: #1c7430;
  color: #fff;
}
button.success:disabled {
  background-color: #94d3a2;
  border-color: #6c9f78;
  color: #fff;
}

/* Disabled buttons */
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Footer */
footer {
  padding: 1rem;
  color: var(--muted);
  text-align: center;
}
.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
}
.footer-logo {
  height: 48px;
  width: auto;
}

/* Debug panel */
#debug {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 10px;
  max-height: 200px;
  overflow: auto;
  font-size: 12px;
  font-family: monospace;
  white-space: pre-wrap;
  margin: 1rem;
}


select {
  padding: 6px 10px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  background-color: #fff;
  appearance: none; /* removes default arrow in some browsers */
  background-image: url('data:image/svg+xml;utf8,<svg fill="%23333" height="16" viewBox="0 0 24 24" width="16" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
}

input[type="date"] {
  padding: 6px 10px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  background-color: #fff;
  color: #333;
}

button.active, a.active {
  background-color: var(--accent);
  color: white
}

#gridTitle {
  display: none;
}


td.cell-error {
  background-color: #f8d7da !important;
}

td.cell-success {
  background-color: #d4edda !important;
}

tbody tr:hover td.cell-error,
tbody tr:hover td.cell-success {
  background-color: inherit !important;
}

#mobileActions {
  display: none;
}
/* Desktop: show full menu, hide hamburger */
.hamburger {
  display: none;
}

@media (max-width: 768px) {
  /* Mobile: hide desktop menu layout */
  #menu ul {
    display: block;
  }
}
#addRow,
#exportCsv {
  display: inline-block;
}