/* ==================================================
   1. GLOBAL / RESET
================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: 'Roboto', sans-serif;
  background: #f5f5f5;
  color: #333;         
  scroll-behavior: smooth;
  overflow: hidden; /* prevent double scrolling */
}

body {
  display: block;
}


/* ==================================================
   2. LAYOUT STRUCTURE
================================================== */
.panels-wrapper {
  height: calc(100vh - 60px);
  margin-top: 70px;
  width: 100%;
  overflow-x: hidden; /* no horizontal scroll */
  padding: 20px;
}

.panels-container {
  display: flex;
  height: 100%;
  gap: 40px;
  padding: 0 20px;
  transition: transform 0.6s ease;
  scroll-behavior: smooth;
}

.panel {
  min-width: calc(100vw - 80px);
  height: calc(100vh - 90px); 
 
  overflow-y: auto; 
  overflow-x: hidden;

  background: #fff;
  border-radius: 20px;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 20px 40px;

  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;

}

.panel:hover {
  background: #ffffff; 
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.panel > * {
  max-width: 900px;
  width: 100%;
  text-align: center;
}

/* ================= WORKLOAD SPLIT LAYOUT ================= */

.workload-layout {
  display: flex;
  gap: 80px;
  width: 100%;
  height: 100%;
  align-items: flex-start;
}

/* LEFT SIDE */
.workload-controls {
  flex: 1;
  max-width: 350px;
  text-align: center;
  margin-left: -200px;
}

/* RIGHT SIDE */
.workload-table {
  flex: 2;
  overflow-x: auto;
  background: #fff;
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  margin-right: -200px;
  position: relative;
  min-height: 300px;
}

/* Fix table alignment (override center) */
.workload-table table {
  text-align: center;
}

/* Make controls look cleaner */
.workload-controls button {
  width: 100%;
  margin: 10px 0;
}

.workload-controls details {
  margin-top: 20px;
}


/* ==================================================
   3. TOP NAVBAR
================================================== */
.top-navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;

  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 0 20px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  z-index: 1000;

  border-bottom: 1px solid #ddd; /* separates from panels */
  color: #333; /* default text color */
}

.nav-left {
  margin-left: 20px;
  display: flex;
  align-items: center;
  gap: 100px;
}

.nav-menu {
  display: flex;
  gap: 10px;
}

/* RIGHT SIDE */
.nav-right {
  margin-right: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.top-navbar .nav-item:hover{
  background: #c0d9ff;
}

.top-navbar .nav-left {
  font-weight: bold;
  font-size: 1.2rem;
}

.top-navbar .nav-center input {
  width: 300px;
  padding: 6px 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 1rem;
}

.top-navbar .nav-right {
  display: flex;
  align-items: center;
}

.top-navbar .nav-item {
  position: relative;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 10px;
  border-radius: 10px;
}

/* Dropdown */
.top-navbar .nav-item.dropdown .dropdown-content {
  display: none;
  position: absolute;
  top: 15px;
  right: 0;

  background: #fff;
  min-width: 120px;

  border: 1px solid #ccc;
  border-radius: 5px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.top-navbar .nav-item.dropdown:hover .dropdown-content,
.top-navbar .nav-item.dropdown .dropdown-content:hover {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

.top-navbar .dropdown-content div {
  padding: 10px;
  font-size: 0.9rem;
  cursor: pointer;
}

.top-navbar .dropdown-content div:hover {
  background: #c0d9ff;
}

.top-navbar .profile-pic {
  width: 30px;
  height: 30px;
  border-radius: 50%;
}

.nav-item.active {
  background: #c0d9ff;
  color: #000;
}

.nav-item.active {
  background: #c0d9ff;
  color: #000;
}
.nav-left {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: 70%;       /* limit width so .nav-menu can overflow */
  overflow: hidden;     /* hide excess items until scroll */
}

.nav-menu {
  display: flex;
  gap: 10px;
  overflow-x: auto;     /* allow horizontal scroll */
  white-space: nowrap;
  scrollbar-width: thin;
  transition: all 0.3s ease;
}

/* Optional: smooth scroll when dragging or scrolling */
.nav-menu {
  scroll-behavior: smooth;
}

/* WebKit scrollbar styling */
.nav-menu::-webkit-scrollbar {
  height: 6px;
}

.nav-menu::-webkit-scrollbar-thumb {
  background-color: rgba(0,0,0,0.3);
  border-radius: 3px;
}

.nav-menu::-webkit-scrollbar-track {
  background: transparent;
} 

/* ==================================================
   5. CONTENT ELEMENTS
================================================== */
.images {
  width: 100px;
  height: auto;
  border-radius: 20px;
}

section h2 {
  font-size: 1.8rem;
  margin-bottom: 10px;
  color: #333;
}

section p {
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 15px;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

table th, table td {
  padding: 10px;
  border-bottom: 1px solid #ddd;
  text-align: left;
  font-size: 1rem;
}

table th {
  font-weight: 600;
}

table tr:hover {
  background: #f0f8ff; /* subtle panel hover tint */
}

/* Hide utility */
.hidden {
  display: none !important;
}

/* Reports layout: side by side charts */
.reports-layout {
  display: flex;
  gap: 40px;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-top: 20px;
}

.chart-section {
  flex: 1;
  min-width: 300px;
  max-width: 500px;
  height: 350px;
}

/* Summary table styling */
#reportsSummaryTable {
  width: 100%;
  max-width: 900px;
  margin: 20px auto;
  border-collapse: collapse;
}

#reportsSummaryTable th,
#reportsSummaryTable td {
  padding: 10px;
  border: 1px solid #ddd;
  text-align: center;
}

#reportsSummaryTable tr:hover {
  background: #f0f8ff;
}

/* Export buttons */
.export-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}
/* ================= GA Progress Bar ================= */
#loadingMiniArea {
    display: flex;
    flex-direction: column;
    gap: 20px; /* spacing between left/right and bars */
}

#gaProgressContainer {
    width: 100%;
    height: 20px;
    margin-top: 10px;
    background: none; /* remove grey cover */
    overflow: hidden;
}

#gaProgressBar {
    margin-top: 5px;
    width: 100%;
    height: 8px;
    border-radius: 10px;
    overflow: hidden;
    background: #ccc; /* grey background */
}

#gaProgressBar .fill {
    width: 0%;
    height: 100%;
    transition: width 0.2s linear, background 0.2s linear;
}

/* Center the generation counter */
#generationCounter {
  font-weight: bold;
  display: block;
  margin-top: 5px;
  text-align: center;
}

/* Loader container styling */
.ga-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.ga-loading.hidden {
    display: none;
}

.loader-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  margin-top: 30px;
  margin-bottom: 20px;
}

.loader-box {
    text-align: center;
}

.loader-box .spinner {
    border: 4px solid #f3f3f3; /* light gray */
    border-top: 4px solid #36A2EB; /* blue */
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 10px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.hidden {
  display: none !important;
}

/* Mini chart container */
.mini-chart-wrapper {
  width: 200px;
  height: 150px;
}

#miniDashChart {
  background: #f9f9f9;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

/* Forms */
input[type=number] {
  width: 100%;
  padding: 8px 10px;
  margin-bottom: 15px;

  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}

button {
  padding: 10px 20px;
  border: none;

  background: #007bff;
  color: #fff;

  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;

  transition: 0.3s;
}

button:hover {
  background: #0056b3;
}

/* Charts */
.chart-container {
  width: 100%;
  max-width: 600px;
  height: 350px;
  margin: 0 auto;
  margin-top: 30px;
}

section .chart-container,
section table,
section form {
  margin-top: 15px;
}

a {
  text-decoration: none;
  color: #000;
}

#dashboardChart {
  min-height: 300px;
}

.dashboard-legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: inherit; /* match table */
  font-size: 0.9rem;
  cursor: pointer;
}

.dashboard-legend-color {
  width: 16px;
  height: 16px;
  border: 1px solid #ccc;
  border-radius: 3px;
}
.dashboard-legend-btn {
  padding: 2px 6px;
  font-size: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
}
.dashboard-legend-btn:hover { background:#eee; }


/* ================= FACULTY MANAGEMENT LAYOUT ================= */

.faculty-layout {
  display: flex;
  gap: 10px;
  width: 100%; /* make sure it fills the panel */
  height: 100%;
  align-items: flex-start;
}

/* Table container like workload-table */
.faculty-table-container {
  flex: 2;
  overflow-x: auto;
  background: #fff;
  padding: 10px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  min-width: 1400px; /* overall table width bigger */
  min-width: 100%;
}
/* Make the table itself wide */
#facultyInputTable {
  width: 1400px;      /* overall width */
  border-collapse: collapse;
  table-layout: fixed; /* forces columns to obey widths */
}

/* Columns width */
#facultyInputTable th,
#facultyInputTable td {
  padding: 15px 10px;
  text-align: center;
  vertical-align: middle;
}

/* Specific columns */
#facultyInputTable th:nth-child(1),
#facultyInputTable td:nth-child(1) { width: 450px; } /* Name */
#facultyInputTable th:nth-child(2),
#facultyInputTable td:nth-child(2) { width: 300px; } /* Specializations */
#facultyInputTable th:nth-child(3),
#facultyInputTable td:nth-child(3) { width: 100px; } /* Max Units */
#facultyInputTable th:nth-child(4),
#facultyInputTable td:nth-child(4) { width: 350px; } /* Availability */
#facultyInputTable th:nth-child(5),
#facultyInputTable td:nth-child(5) { width: 100px; } /* Remove button */
/* Zebra stripes & hover */
#facultyInputTable tbody tr:nth-child(even) {
  background-color: #fafafa;
}

#facultyInputTable tbody tr:hover {
  background-color: #f0f8ff;
}

/* Inputs & selects */
#facultyInputTable input[type="text"],
#facultyInputTable input[type="number"],
#facultyInputTable select {
  width: 100%;
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 8px;
  transition: 0.3s;
}

#facultyInputTable input[type="text"]:focus,
#facultyInputTable input[type="number"]:focus,
#facultyInputTable select:focus {
  outline: none;
}

/* Multi-select dropdown */
#facultyInputTable select[multiple] {
  height: 200px;
}

/* Availability checkboxes layout */
#facultyInputTable td div {
  display: flex;
  gap: 10px; /* more space between checkboxes */
  flex-wrap: wrap;
  justify-content: center;
}

/* Buttons */
#addFacultyRow {
  color: #fff;
  margin-top: 20px;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: 0.3s ease;
}

#facultyInputTable button {
  background: #ec4657;
  color: #fff;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: 0.3s ease;
}

#facultyInputTable button:hover {
  background: #ac333f;
}




/* ================= MULTI-DROPDOWN CHECKBOX ================= */
/* Multi-select dropdown styling */
/* Multi-select dropdown */
.multi-select-dropdown {
  position: relative;
  width: 100%;
  cursor: pointer;
}
.multi-select-dropdown .dropdown-btn {
  padding: 6px 12px;
  background: #f0f0f0;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid #ccc;
  text-align: left;
  font-size: 14px;
}

.multi-select-dropdown .dropdown-content {
  display: none;
  position: absolute;
  top: 110%;
  left: 0;
  width: 150%;
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  z-index: 10;
  max-height: 200px;
  overflow-y: auto;
  padding: 10px;

  display: flex;              /* keep flex for vertical stacking */
  flex-direction: column;     /* stack items vertically */
  justify-content: flex-start; /* start at top */
  align-items: flex-start;     /* align left */
}

.multi-select-dropdown .dropdown-content label {
  display: flex;
  gap: 8px;
  align-items: center; /* checkbox and text aligned vertically */
  width: 100%;
  cursor: pointer;
  text-align: left;
  padding: 5px 10px;
}

.multi-select-dropdown .dropdown-content label:hover {
  background-color: #f0f8ff;
}

.multi-select-dropdown.show .dropdown-content {
  display: block;
}


.multi-select-dropdown {
  position: relative;
  width: 100%;
  cursor: pointer;
}

.dropdown-btn {
  border: 1px solid #ccc;
  padding: 8px 10px;
  border-radius: 8px;
  background: #fff;
  text-align: left;
  font-size: 14px;
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 110%;
  left: 0;
  width: 100%;
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  z-index: 10;
  max-height: 200px;
  overflow-y: auto;
  padding: 10px;
  align-items: left;
}

.dropdown-content .options {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.dropdown-content .dropdown-footer {
  margin-top: 10px;
  text-align: right;
}

.dropdown-content .dropdown-footer button {
  padding: 5px 12px;
  border-radius: 6px;
  border: none;
  color: white;
  cursor: pointer;
}

.selected-specializations {
  list-style-type: disc;
  padding-left: 20px;
  margin-top: 8px;
  text-align: left;
}