* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

body {
  height: 100%;
  width: 100%;
  overflow-x: hidden;
  padding: 0;
  margin: 0;
  line-height: 1.4;
}

h6,
h5,
h4,
h3,
h2,
h1 {
  margin: 0;
  padding-bottom: 20px;
}

h2 {
  padding-bottom: 0.25em;
  display: inline-block;
}

.modal h3 {
  margin-bottom: 20px;
}

/* Dark Mode Toggle */
.dark-mode-toggle {
  position: relative;
  display: flex;
  align-items: center;
  width: 60px;
  height: 30px;
  padding: 5px;
  margin-top: 20px;
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.sun,
.moon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 25px;
  height: 25px;
  transition: transform 0.3s ease;
}

.sun {
  transform: scale(1.5);
}

.moon {
  opacity: 0;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

a {
  text-decoration: none;
}

a:focus-visible,
.sidebar-menu-toggle:focus-visible,
.dropdown .dropbtn:focus-visible {
  outline-offset: 2px;
}

input,
textarea,
select {
  width: 100%;
  appearance: none;
  background: transparent;
  box-sizing: border-box;
  transition: border linear 0.2s, box-shadow linear 0.2s;
}

fieldset {
  display: flex;
  gap: 2em;
  border: 0;
}

input::placeholder,
textarea::placeholder {
  opacity: 0.5;
  text-align: left;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
  object-fit: cover;
}

.border-none {
  border: none;
}

.border-bottom {
  border: none;
  background: transparent;
}

.content > div {
  display: none;
}

.content > div.active {
  display: block;
}

.flex-row > div,
.alerts .wrapper > div {
  width: 900px;
  max-width: 100%;
}

.flex-row {
  display: flex;
  align-items: flex-start;
  gap: 1em;
}
.flex-col {
  display: flex;
  flex-direction: column;
  gap: 2em;
}
.cols {
  width: 50%;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.card-hidden {
  display: none;
}

/* Main Content */
.content {
  margin-left: 200px;
}

.heading-wrapper {
  padding: 0 40px 20px 40px;
}

.heading-container,
.container {
  padding: 40px;
}

.heading-container {
  padding-bottom: 0;
  margin-left: 200px;
}

.container {
  padding-top: 0;
}

fieldset {
  padding-left: 0;
  padding-right: 0;
}

.wrapper {
  display: flex;
  align-items: flex-start;
  gap: 2em;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  max-width: 280px;
  height: 100%;
  padding: 1.5em;
  overflow-y: auto;
  font-weight: bold;
}

.sidebar-nav .logo-image img {
  padding-bottom: 1.5em;
}

.sidebar-nav ul li {
  padding: 10px 0;
  margin-bottom: 10px;
  cursor: pointer;
  transition: color 0.3s ease;
}

.sidebar-link.active {
  font-weight: bold;
}
.sidebar-menu-toggle {
  display: none;
  border: none;
  background: none;
  cursor: pointer;
}

@media (max-width: 991px) {
  .wrapper {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .heading-container,
  .content {
    margin-left: 120px;
  }

  .sidebar-nav ul li {
    font-size: 15px;
  }

  .sidebar {
    max-width: 200px;
    padding: 20px 10px;
    position: fixed;
  }

  .sidebar-menu-toggle {
    display: block;
    margin-bottom: 0.5em;
  }

  .sidebar-nav ul {
    display: none;
    flex-direction: column;
    padding: 0 12px 0 0;
  }

  .sidebar.is-open .sidebar-nav ul {
    display: flex;
  }

  .sidebar-menu-toggle .fa-xmark,
  .sidebar.is-open .sidebar-menu-toggle .fa-bars {
    display: none;
  }

  .sidebar.is-open .sidebar-menu-toggle .fa-xmark {
    display: inline-block;
  }

  .sidebar-nav .logo-image img {
    width: 100px;
  }
  .sidebar-nav ul li {
    padding: 5px 0;
  }
}

@media (max-width: 767px) {
  .cols {
    width: 100%;
  }
}

@media (max-width: 576px) {
  .wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .sidebar {
    width: 120px;
    position: fixed;
    overflow: hidden;
  }

  .sidebar-nav .logo-image img {
    width: 80px;
  }
}

@media (max-width: 375px) {
  .heading-container,
  .heading-wrapper,
  .container {
    padding: 0 1rem 1rem 1rem;
  }
}

@media (max-width: 320px) {
  .heading-container,
  .heading-wrapper {
    padding: 1rem 2rem 0 1rem;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}