index.css

/* Reset and base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html, body {
  height: 100%;
  font-family: Arial, sans-serif;
  color: #333;
  background-color: #f9f9f9;
}

/* Header */
.header {
  background-color: #fff;
  border-bottom: 1px solid #ddd;
  padding: 1rem;
}
.header-title {
  font-size: 1.5rem;
  font-weight: bold;
}

/* Main container: table + sidebar with margins and gap */
.main-container {
  display: flex;
  margin: 1rem;
  gap: 1rem;
  height: calc(100% - 66px - 2rem);
}

/* Table wrapper: contains scrollable table and pagination below */
.table-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}

/* Table container: scrollable with border */
.table-container {
  flex: 1;
  position: relative;
  overflow: auto;
  background-color: #fff;
  border: 1px solid #ddd;
  border-bottom: none;
  border-radius: 10px;
  padding-bottom: 0;
}

/* The table */
table {
  width: 100%;
  border-collapse: collapse;
}
thead {
  background-color: #f0f0f0;
  border-bottom: 2px solid #ddd;
}
th, td {
  padding: 0.75rem 1rem;
  text-align: left;
}
.name-col {
  width: 40%;
}
.topic-col, .difficulty-col {
  width: 30%;
  position: relative;
}

/* Styling for question links in the table */
table a {
  text-decoration: none;
  color: #1E90FF; /* Light blue color */
  font-family: "Segoe UI", sans-serif;
  font-weight: 500;
}

table a:hover {
  text-decoration: underline;
}

/* Clickable area for column headers */
.clickable-area {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  padding: 0.25rem 0.5rem 0.25rem 0;  /* top, right, bottom, left */
  border-radius: 4px;
}


/* Arrow styling */
.arrow {
  font-size: 0.8rem;
  margin-left: 0.3rem;
  color: gray;
}

/* Table body alternating row colors */
tbody tr:nth-child(odd) {
  background-color: #fff;
}
tbody tr:nth-child(even) {
  background-color: #f7f7f7;
}

/* Search bar in table container */
.search-bar {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
}
.search-bar input {
  padding: 0.3rem 0.5rem;
  border: 1px solid #ccc;
  border-radius: 6px;
}

/* Dropdown menus for topic/difficulty */
.dropdown {
  position: absolute;
  top: 2.3rem;
  left: 0;
  background-color: #fff;
  border: 1px solid #ccc;
  border-radius:8px;
  z-index: 999;
  padding: 0.5rem;
  min-width: 150px;
}
.dropdown.hidden {
  display: none;
}
.dropdown div {
  padding: 0.3rem 0;
  cursor: pointer;
}
.dropdown div:hover {
  background-color: #eee;
}

/* Star button in difficulty cell */
.star-btn {
  float: right;
  cursor: pointer;
  color: #ccc;
  font-size: 1rem;
  margin-left: 1rem;
}
.star-btn.solved {
  color: gold;
}

/* Container for action buttons in the difficulty cell */
.btn-container {
  float: right;
}

/* Styling for solved/unsolved button */
.solved-btn {
  margin-left: 0.5rem;
  cursor: pointer;
  border: none;
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  background-color: #dc3545; /* Default: Unsolved (Red) */
  color: #fff;
}

/* Ensure class-based styling instead of :active */
.solved-btn.solved {
  background-color: #28a745; /* Solved (Green) */
}


.clear-filters button {
  padding: 0.3rem 0.6rem;
  border: none;
  border-radius: 4px;
  background-color: #007bff;
  color: #fff;
  cursor: pointer;
}

.clear-filters button:hover {
  background-color: #0056b3;
}


/* Pagination for questions table placed below the table */
.table-pagination {
  width: 100%;
  background-color: #fff;
  border-top: 1px solid #ddd;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  margin-top: 0.5rem;
}
.results-count {
  font-size: 0.9rem;
  color: #555;
}
.page-size-select {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.page-controls button {
  cursor: pointer;
  padding: 0.3rem 0.6rem;
  margin: 0 0.2rem;
}
.page-controls span {
  margin: 0 0.5rem;
}

/* Sidebar for companies */
.sidebar {
  width: 420px;
  background-color: #ffffff;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-self: flex-start;
  box-sizing: border-box;
  border: 1px solid #ddd;
  border-radius: 20px;
}

/* Sidebar header */
.sidebar h2 {
  margin-bottom: 1rem;
}

/* Company search in sidebar */
.company-search {
  margin-bottom: 1rem;
}
.company-search input {
  width: 100%;
  padding: 0.4rem;
  border: 1px solid #ccc;
  border-radius: 8px;
}

/* Companies container: fixed height of 400px with scrolling */
.companies-container {
  height: 400px;
  overflow-y: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Company chip styling with fixed height */
.company-chip {
  height: 40px;              /* fixed height */
  line-height: 40px;         /* vertical centering */
  background-color: #f0f0f0;
  border-radius: 15px;
  padding: 0 0.75rem;        /* horizontal padding only */
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.company-chip:hover {
  background-color: #e0e0e0;
}
.company-chip.selected {
  background-color: #007bff;
  color: #fff;
}