/* -------------------- BASE (mobile-first) -------------------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  width: 100%;
  min-height: 100vh;
  background-color: #f9fafb;
  color: #0f172a;
}

/* dashboard layout */
.dashboard {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* -------------------- SIDEBAR (mobile) - top bar -------------------- */
.sidebar {
  width: 100%;
  background-color: rgb(23, 170, 151);
  color: #ffffff;
  padding-top: 14px;
  padding-bottom: 14px;
  padding-left: 12px;
  padding-right: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: relative;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(2,6,23,0.06);
}

/* logo */
.sidebar-logo {
  text-align: left;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo h1 {
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1;
  color: #fff;
  margin: 0;
}

/* mobile menu button (created by JS but keep some base styles) */
.mobile-nav-toggle {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
}

/* nav - mobile: horizontal scroll */
.sidebar-nav {
  display: block;
  width: auto;
  overflow: hidden;
}

.sidebar-nav ul {
  list-style: none;
  display: flex;
  flex-direction: row;
  gap: 8px;
  align-items: center;
  padding: 6px 6px 6px 0;
  margin: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scroll-behavior: smooth;
  white-space: nowrap;
}

/* nav item */
.sidebar-nav ul li {
  margin: 0;
  padding: 0;
}

.sidebar-nav ul li a {
  text-decoration: none;
  color: #ffffff;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 8px;
  display: inline-block;
  white-space: nowrap;
  transition: background-color 0.2s ease-in-out, transform 0.08s;
}

/* active / hover */
.sidebar-nav ul li a.active,
.sidebar-nav ul li a:hover {
  background-color: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}

/* -------------------- MAIN CONTENT -------------------- */
.main-content {
  flex: 1;
  padding: 16px;
}

/* top header (inside content) */
.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  margin-bottom: 24px;
}

.top-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

/* header action buttons */
.header-actions button {
  padding-top: 8px;
  padding-bottom: 8px;
  padding-left: 12px;
  padding-right: 12px;
  margin-left: 8px;
  background-color: rgb(23, 170, 151);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s ease-in-out, transform 0.08s;
}

.header-actions button:hover {
  background-color: rgb(20, 150, 135);
  transform: translateY(-1px);
}

/* -------------------- CARDS -------------------- */
.dashboard-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background-color: #ffffff;
  padding: 16px;
  border-radius: 10px;
  box-shadow: 0 8px 22px rgba(2, 6, 23, 0.04);
}

.card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: rgb(23, 170, 151);
}

.card p {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

/* -------------------- TABLE -------------------- */
table {
  width: 100%;
  border-collapse: collapse;
  background-color: #ffffff;
  border-radius: 8px;
  overflow: hidden;
}

th,
td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

th {
  background-color: rgba(23, 170, 151, 0.08);
  color: rgb(23, 170, 151);
  font-weight: 700;
}

tr:hover {
  background-color: rgba(23, 170, 151, 0.05);
}

/* -------------------- TAB CONTENT -------------------- */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* mobile collapsed nav styles (for the toggle) */
.sidebar-nav.open {
  display: block !important;
}

@media (max-width: 767px) {
  .sidebar-nav {
    display: none;
  }
  .sidebar-nav.open {
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: 56px;
    padding: 12px;
    background: rgb(23, 170, 151);
    z-index: 9;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
  }

  .sidebar-nav.open ul {
    flex-direction: column;
    gap: 10px;
    padding-left: 12px;
  }

  .sidebar-nav.open ul li a {
    display: block;
    padding: 10px 12px;
  }
}

/* -------------------- DESKTOP: min-width: 768px -------------------- */
@media (min-width: 768px) {

  /* layout becomes two columns */
  .dashboard {
    flex-direction: row;
    align-items: flex-start;
  }

  /* sidebar becomes vertical left column */
  .sidebar {
    width: 220px;
    min-width: 220px;
    max-width: 260px;
    height: 100vh;
    padding-top: 24px;
    padding-bottom: 24px;
    padding-left: 20px;
    padding-right: 20px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    position: sticky;
    top: 0;
    overflow: visible;
    box-shadow: none;
  }

  /* keep brand at top */
  .sidebar-logo {
    text-align: left;
    margin-bottom: 20px;
  }

  .sidebar-logo h1 {
    font-size: 1.8rem;
  }

  /* nav becomes vertical */
  .sidebar-nav {
    width: 100%;
  }

  .sidebar-nav ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-left: 0;
    margin: 0;
    overflow: visible;
  }

  .sidebar-nav ul li a {
    padding: 10px 12px;
    border-radius: 6px;
  }

  /* main content spacing for desktop */
  .main-content {
    padding: 28px;
  }

  /* two column card grid */
  .dashboard-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}