@font-face {
  font-family: 'Aptos';
  src: url('./fonts/Aptos-Regular.woff2') format('woff2'),
       url('./fonts/Aptos-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: 'Aptos';
  src: url('./fonts/Aptos-Bold.woff2') format('woff2'),
       url('./fonts/Aptos-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
}

:root{
  --blue:#0a3f97;
  --blue-dk:#08357f;
  --blue-mid:#1d5fc0;
  --bg:#eef1f5;
  --panel:#f3f4f6;
  --text:#13213d;
  --text-m:#42557a;
  --text-d:#7f93b5;
  --border:#c7d7ee;
  --line:#d4deee;
  --shadow:0 3px 10px rgba(20,45,90,0.08);
  --shadow-strong:0 2px 6px rgba(20,45,90,0.05), 0 10px 22px rgba(20,45,90,0.07);
  --font:'Aptos','Segoe UI',Arial,sans-serif;
}

*,
*::before,
*::after{
  box-sizing:border-box;
  margin:0;
  padding:0;
  font-family:var(--font);
}

html,body{
  min-height:100%;
}

body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  margin:0;
  font-size:14px;
}

/* Navigation Bar Styles */
.navbar {
  background:linear-gradient(180deg,#082f74 0%, #0b418f 58%, #0a4aa4 100%);
  padding:12px 16px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  box-shadow:0 2px 8px rgba(8,34,80,0.18);
  gap:12px;
}

.navbar-logo {
  display:flex;
  align-items:center;
  gap:10px;
}

.navbar-logo h1 {
  color:#ffffff;
  font-size:1.4em;
  font-weight:700;
  margin:0;
}

.navbar-buttons {
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.navbar-buttons a {
  padding:8px 16px;
  background:rgba(255,255,255,0.10);
  color:#ffffff;
  text-decoration:none;
  border-radius:20px;
  font-weight:700;
  font-size:0.92em;
  border:1px solid rgba(255,255,255,0.22);
  transition:background .18s ease, border-color .18s ease;
}

.navbar-buttons a:hover {
  background:rgba(255,255,255,0.18);
  color:#ffffff;
  text-decoration:none;
}

h1 {
  text-align:center;
  color:var(--blue);
  margin:24px 0 10px;
  font-size:1.8rem;
  font-weight:700;
}

.container {
  max-width:none;
  width:calc(100% - 22px);
  margin:14px 0 14px 8px;
  background:var(--panel);
  padding:14px 16px 16px;
  border-radius:12px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-strong);
}

.toolbar,
.actions,
.button-row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:12px;
}

button, .btn {
  margin:0;
  padding:9px 16px;
  border:none;
  border-radius:8px;
  background:var(--blue);
  color:#FFFFFF;
  cursor:pointer;
  font-weight:700;
  font-size:13px;
  box-shadow:0 3px 10px rgba(10,63,151,0.16);
  transition:background .18s ease, transform .18s ease;
}

button:hover, .btn:hover {
  background:var(--blue-dk);
}

button:disabled {
  background:#CCCCCC;
  cursor:not-allowed;
  box-shadow:none;
}

.btn-remove,
.btn-export,
.btn-add {
  background:var(--blue);
}

.table-wrap,
.table-responsive{
  overflow:auto;
  border:1px solid var(--border);
  border-radius:10px;
  background:var(--panel);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.55);
  width:100%;
}

table {
  width:100%;
  border-collapse:collapse;
  margin-top:0;
  background:var(--panel);
}

th, td {
  border:1px solid #d4deee;
  padding:10px 9px;
  text-align:center;
  vertical-align:middle;
}

th {
  background:#0a4aa4;
  color:#FFFFFF;
  font-weight:700;
  font-size:14px;
  line-height:1.2;
}

.unit-row td,
.range-row td,
.unit-row,
.range-row {
  background:#eceff4;
  color:#0f2347;
  font-weight:600;
  font-size:12px;
}

tbody td{
  background:var(--panel);
  font-size:14px;
}

input,
select,
textarea{
  font-family:var(--font);
  border:1px solid #8da9d8;
  border-radius:4px;
  padding:6px 8px;
  font-size:13px;
  font-weight:600;
  outline:none;
  background:#eef2f7;
  color:var(--text);
}

input:focus,
select:focus,
textarea:focus{
  border-color:var(--blue-mid);
  background:#fff;
  box-shadow:0 0 0 2px rgba(29,95,192,0.10);
}

table input,
table select{
  width:100%;
  min-width:0;
  height:34px;
}

.modal {
  display:none;
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:rgba(0, 0, 0, 0.5);
  z-index:1000;
  align-items:center;
  justify-content:center;
  padding:20px;
}

.modal-content {
  background:#FFFFFF;
  padding:20px;
  border-radius:10px;
  width:350px;
  max-width:100%;
  text-align:center;
  color:#000000;
  position:relative;
  box-shadow:var(--shadow-strong);
  border:1px solid var(--border);
}

.modal-content ul {
  list-style-type:disc;
  padding-left:20px;
  text-align:left;
  margin:0;
}

.modal-content button {
  padding:0.6rem 1rem;
  margin-top:10px;
}

.modal-content button:hover {
  background:var(--blue-dk);
}

@media (max-width: 900px) {
  .container {
    width:calc(100% - 20px);
    margin:10px;
    padding:12px;
  }

  table, th, td {
    font-size:13px;
  }

  .navbar {
    padding:10px 12px;
    flex-direction:column;
    align-items:flex-start;
  }

  .navbar-logo h1 {
    font-size:1.15em;
  }

  .navbar-buttons a {
    padding:7px 12px;
    font-size:0.9em;
  }
}