* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  background: #f4f6fa;
  color: #222;
}
.topbar {
  background: #1F3B66;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
}
.brand a { color: #fff; text-decoration: none; font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.usermenu .username { font-size: 14px; }
.usermenu a.logout { color: #cfe0ff; margin-left: 14px; font-size: 14px; }
.content { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
.footer { text-align: center; color: #98a4b8; font-size: 12px; padding: 24px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
  margin-top: 12px;
}
.card {
  display: block;
  background: #fff;
  border: 1px solid #dde3ee;
  border-radius: 10px;
  padding: 18px;
  text-decoration: none;
  color: #222;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .06);
}
a.card:hover { border-color: #1F3B66; transform: translateY(-2px); transition: .15s; }
.card .icon { font-size: 34px; }
.card h3 { margin: 10px 0 6px; color: #1F3B66; }
.card p { margin: 0; color: #555; font-size: 14px; }
.card.locked { opacity: .8; background: #eef1f7; }
.buy {
  display: inline-block;
  margin-top: 12px;
  background: #1F3B66;
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
}
.buy:hover { background: #16294a; }

.login-box {
  max-width: 400px;
  margin: 60px auto;
  background: #fff;
  padding: 28px;
  border-radius: 10px;
  border: 1px solid #dde3ee;
}
.login-box label { font-size: 14px; color: #444; }
.login-box input {
  width: 100%;
  padding: 10px;
  margin: 6px 0 14px;
  border: 1px solid #c7d0e0;
  border-radius: 6px;
  font-size: 15px;
}
.btn {
  background: #1F3B66;
  color: #fff;
  border: 0;
  padding: 10px 18px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 15px;
}
.btn:hover { background: #16294a; }
.error { color: #b00020; margin-bottom: 10px; }
.notice {
  background: #fff8e1;
  border: 1px solid #f0dfa0;
  padding: 12px 16px;
  border-radius: 8px;
  margin: 16px 0;
}
.breadcrumb { margin-bottom: 14px; }
.breadcrumb a { color: #1F3B66; text-decoration: none; }
.muted { color: #777; font-size: 13px; }
code { background: #eef1f7; padding: 1px 5px; border-radius: 4px; }

.files-zone { margin-top: 28px; }
.dropzone {
  border: 2px dashed #9db1d1;
  border-radius: 10px;
  padding: 34px;
  text-align: center;
  color: #51637f;
  cursor: pointer;
  background: #fafcff;
}
.dropzone.over { background: #e8f0ff; border-color: #1F3B66; }
.file-list { list-style: none; padding: 0; margin-top: 14px; }
.file-list li { padding: 8px 4px; border-bottom: 1px solid #e4e9f2; }
.file-list a { color: #1F3B66; }
.file-list .del {
  border: 1px solid #d9a0a0;
  background: #fff;
  color: #a03030;
  border-radius: 5px;
  padding: 2px 8px;
  cursor: pointer;
  font-size: 12px;
}
.file-list .del:hover { background: #fbeaea; }
.file-list .view {
  border: 1px solid #9db6dd;
  background: #fff;
  color: #1F3B66;
  border-radius: 5px;
  padding: 2px 8px;
  cursor: pointer;
  font-size: 12px;
}
.file-list .view:hover { background: #eaf1ff; }
.file-list .view:disabled { opacity: .5; cursor: wait; }

/* Προβολή περιεχομένου αρχείου (parse) */
.parse-panel {
  margin-top: 16px;
  border: 1px solid #dde3ee;
  border-radius: 8px;
  background: #fff;
  padding: 14px 16px;
}
.parse-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}
.parse-text {
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  white-space: pre-wrap;
  word-break: break-word;
  background: #f7f9fc;
  border: 1px solid #e4e9f2;
  border-radius: 6px;
  padding: 10px 12px;
  max-height: 480px;
  overflow: auto;
}
.parse-table {
  border-collapse: collapse;
  font-size: 13px;
  max-width: 100%;
}
.parse-table th, .parse-table td {
  border: 1px solid #d7deeb;
  padding: 4px 10px;
  text-align: left;
}
.parse-table th { background: #eef3fb; color: #1F3B66; }
.parse-panel #parseBody { overflow: auto; max-height: 480px; }

/* Παράμετροι νομοθεσίας */
.tools-strip { margin-top: 24px; }
.tool-link {
  display: inline-block;
  background: #fff;
  border: 1px solid #dde3ee;
  border-radius: 8px;
  padding: 10px 16px;
  color: #1F3B66;
  text-decoration: none;
  font-weight: 600;
}
.tool-link:hover { border-color: #1F3B66; }
.params-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid #dde3ee;
  border-radius: 10px;
  overflow: hidden;
  margin-top: 14px;
  font-size: 14px;
}
.params-table th {
  background: #1F3B66;
  color: #fff;
  text-align: left;
  padding: 10px 12px;
  font-size: 13px;
}
.params-table td {
  padding: 10px 12px;
  border-top: 1px solid #e4e9f2;
  vertical-align: top;
}
.params-table tr.row-pending td { background: #fff7e6; }
.params-table td.value { font-weight: 600; color: #1F3B66; }
.params-table td.nowrap { white-space: nowrap; }
.params-table td.source { color: #555; font-size: 12.5px; }
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .5px;
  white-space: nowrap;
}
.badge-verified { background: #e3f2e5; color: #1d6b2a; }
.badge-pending { background: #ffe9c2; color: #8a5a00; }

/* Εργαλεία (tools) */
.tools-list ul { list-style: none; padding: 0; }
.tools-list li { padding: 8px 4px; border-bottom: 1px solid #e4e9f2; }
.tools-list a { color: #1F3B66; font-weight: 600; text-decoration: none; }
.tools-list a:hover { text-decoration: underline; }
.tool-form {
  background: #fff;
  border: 1px solid #dde3ee;
  border-radius: 10px;
  padding: 20px;
  max-width: 560px;
  margin-top: 14px;
}
.tool-form .field { margin-bottom: 14px; }
.tool-form label { display: block; font-size: 14px; color: #444; margin-bottom: 4px; }
.tool-form label.check { display: flex; align-items: center; gap: 8px; }
.tool-form input[type="number"], .tool-form select {
  width: 100%;
  padding: 9px;
  border: 1px solid #c7d0e0;
  border-radius: 6px;
  font-size: 15px;
}
.result-box {
  background: #fff;
  border: 1px solid #dde3ee;
  border-radius: 10px;
  padding: 20px;
  margin-top: 20px;
}
.result-box h2 { margin-top: 0; color: #1F3B66; }
.teaser-box { border: 2px dashed #1F3B66; background: #f4f7fc; }
.teaser-box h2 { color: #1F3B66; }
.teaser-box .btn { display: inline-block; margin-top: 6px; text-decoration: none; }
.result-table { border-collapse: collapse; width: 100%; max-width: 560px; }
.result-table td { padding: 8px 10px; border-bottom: 1px solid #e4e9f2; }
.result-table td.value { text-align: right; font-weight: 700; color: #1F3B66; white-space: nowrap; }
.result-table tr:last-child td { border-top: 2px solid #1F3B66; font-size: 16px; }
ul.notes { padding-left: 20px; color: #555; font-size: 14px; }
ul.notes li { margin-bottom: 4px; }
.params-box {
  background: #eef3fb;
  border: 1px solid #c9d7ee;
  border-radius: 8px;
  padding: 12px 16px;
  margin-top: 16px;
  font-size: 13.5px;
}
.params-box h3 { margin: 0 0 8px; color: #1F3B66; font-size: 14px; }
.params-box ul { margin: 0; padding-left: 18px; }
.params-box li { margin-bottom: 8px; }

/* Διαγράμματα αποτελέσματος (server-side SVG — πάγια εντολή 26/10/2026 14:40) */
.chart-box {
  background: #fafcff;
  border: 1px solid #dde3ee;
  border-radius: 10px;
  padding: 14px;
  margin: 16px 0;
  max-width: 720px;
}
.chart-box .chart-svg { width: 100%; height: auto; display: block; }
.chart-box .chart-svg text { font-family: inherit; }

/* Ιστορικό υπολογισμών & εξαγωγές */
.save-box {
  border-top: 1px solid #dde3ee;
  margin-top: 18px;
  padding-top: 14px;
}
.save-box h3 { margin: 0 0 10px; color: #1F3B66; font-size: 15px; }
.save-fields { display: flex; gap: 14px; flex-wrap: wrap; max-width: 560px; }
.save-fields .field { flex: 1 1 220px; margin-bottom: 10px; }
.save-fields label { display: block; font-size: 13.5px; color: #444; margin-bottom: 4px; }
.save-fields input {
  width: 100%;
  padding: 9px;
  border: 1px solid #c7d0e0;
  border-radius: 6px;
  font-size: 15px;
}
.export-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.btn-export { background: #3c6e47; }
.btn-export:hover { background: #2d5536; }
.saved-banner {
  background: #e3f2e5;
  border: 1px solid #b9dec0;
  color: #1d6b2a;
  border-radius: 8px;
  padding: 10px 14px;
  margin-top: 14px;
}
.saved-banner a { color: #1d6b2a; font-weight: 600; }
.save-error { margin-top: 14px; }
.history-filters {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: flex-end;
  background: #fff;
  border: 1px solid #dde3ee;
  border-radius: 10px;
  padding: 14px 16px;
  margin-top: 14px;
}
.history-filters .field { min-width: 150px; }
.history-filters .field.grow { flex: 1 1 220px; }
.history-filters label { display: block; font-size: 13px; color: #444; margin-bottom: 4px; }
.history-filters input, .history-filters select {
  width: 100%;
  padding: 8px;
  border: 1px solid #c7d0e0;
  border-radius: 6px;
  font-size: 14px;
}
.history-table td.actions .tool-link { padding: 4px 10px; font-size: 12.5px; margin-right: 4px; }