.btn-primary-landing {
  --bs-btn-color: #fff;
  --bs-btn-bg: #0d6efd;
  --bs-btn-border-color: #0d6efd;
  --bs-btn-hover-color: #e7e7e7;
  --bs-btn-hover-bg: #17a2b8;
  --bs-btn-hover-border-color: #0a58ca;
  --bs-btn-focus-shadow-rgb: 49, 132, 253;
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: #20b9d1;
  --bs-btn-active-border-color: #0a53be;
  --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
  --bs-btn-disabled-color: #fff;
  --bs-btn-disabled-bg: #0d6efd;
  --bs-btn-disabled-border-color: #0d6efd;
}

.bg-dark-landing {
    background-color: #ed1414 !important;
  }

  
.btn-pastpaper {
    --bs-btn-color: #ffffff;
    --bs-btn-bg: #0d6efd;
    --bs-btn-border-color: #cde1ff;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #17a2b8;
    --bs-btn-hover-border-color: #0a58ca;
    --bs-btn-focus-shadow-rgb: 49, 132, 253;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #17a3b8d2;
    --bs-btn-active-border-color: #0a53be;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #0d6efd;
    --bs-btn-disabled-border-color: #0d6efd;
}

.btn-primary-tms {
    --bs-btn-color: #ffffff;
    --bs-btn-bg: #0d6efd;
    --bs-btn-border-color: #cde1ff;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #17a2b8;
    --bs-btn-hover-border-color: #0a58ca;
    --bs-btn-focus-shadow-rgb: 49, 132, 253;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #17a3b8d2;
    --bs-btn-active-border-color: #0a53be;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #0d6efd;
    --bs-btn-disabled-border-color: #0d6efd;
}

.btn-mysubjects-add {
    --bs-btn-color: #ffffff;
    --bs-btn-bg: #2379f964;
    --bs-btn-border-color: #cde1ff;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #17a2b8;
    --bs-btn-hover-border-color: #0a58ca;
    --bs-btn-focus-shadow-rgb: 49, 132, 253;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #17a3b8d2;
    --bs-btn-active-border-color: #0a53be;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #0d6efd;
    --bs-btn-disabled-border-color: #0d6efd;
}

.btn-my-sbjcts-rmv{
    --bs-btn-color: #95ece9a0;
    --bs-btn-bg: #0d6dfd00;
    --bs-btn-border-color: #0d6dfd8c;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #17a3b84e;
    --bs-btn-hover-border-color: #0a57ca00;
    --bs-btn-focus-shadow-rgb: 49, 132, 253;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #17a3b837;
    --bs-btn-active-border-color: #0a52be00;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #0d6efd;
    --bs-btn-disabled-border-color: #0d6efd;
}

.navbar {
    backdrop-filter: blur(3px);
}
/* old navbar colour #38383845;  */

.link-body-emphasis:hover, .link-body-emphasis:focus {
  /* color: #0d6efd !important; */
  color: #0dcaf0 !important;
}

.glowing-btn {
  box-shadow: 0 0 6px #00ccff !important;
  /* #17a2b8; */
}

.glowing-bar {
  box-shadow: 0 0 20px #34cf0a !important;
  /* #17a2b8; */
}

.navbar-dark-color {
  /* background-color: rgba(40, 42, 45, 0.97); */
  background-color: hsla(245, 14%, 15%, 0.97);
}

.text-glowing-yellow {
  text-shadow: 0 0 10px #f1dd00;
  color:#f1dd00; 
  text-underline-offset: 5px;
}

.bg-dark-lighter {
  /* original transparent color */
  /* background-color: #38383845;  */
  /* opaque equivalent (better) */
  /* background-color:  #232528; */
  /* background-color: hsl(247, 15%, 14%) */
  /* background-color: hsla(249, 19%, 14%) */
  background-color: hsla(250, 20%, 17%)
}

/* nice colour: #2b3035a7; */

.btn-card {
  --bs-btn-hover-color: #ffffff; 
  --bs-btn-hover-bg: #127a8a; 
  --bs-card-bg: #17a3b809;
  --bs-btn-active-bg: #157483c1;
}

.card-topic {
  --bs-card-bg:#17a3b809; 
  --bs-btn-hover-bg: #17a2b8;
}

.card-topic:hover {
  background-color: #17a3b822;
}

.card-hover:hover {
  background-color: #0066ff00;
}

.card-topic-complete {
  --bs-card-bg:#33b8cd46;
}

.card-topic-complete:hover {
  --bs-card-bg:hsla(188, 61%, 50%, 0.33);
}

.row-pastpaper-complete {
  --bs-table-bg:#33b9cd5a;
}

.smooth-transition {
  transition: all 2s ease-in-out;
}

.dropdown-menu {
  --bs-dropdown-link-active-bg: #65629dc5;
}

div.notes {
    max-width: 850px;
    font-size: 16.5px;
}

div.notes ul li {
    font-size: 17px;
}

.bg-worked-example {
  background-color:  #243149;
}

.bg-extra-info {
  background-color:  rgb(26, 66, 63);
}

.worked-example {
    --bs-accordion-btn-bg: #2e4161; 
    --bs-accordion-active-bg:#23324c; 
    --bs-accordion-active-color:#8a8e93; 
    --bs-accordion-border-color:#11caf0; 
    --bs-accordion-btn-focus-box-shadow: none;
}

@media (max-width: 768px) {
    .nav-item {
        margin-top: 15px;
        margin-bottom: 15px;
    }
}

@media (max-width: 768px) {
    .dropdown-item {
        padding-top: 20px !important;
        padding-bottom: 20px !important;
    }
}

.checkbox-examboard {
    appearance: none; 
    background-color: #ffffff00; 
    margin: 0; 
    font: inherit; 
    color: yellow; 
    width: 1.15em; 
    height: 1.15em; 
    border: 0.15em solid currentColor; border-radius: 0.15em; 
    transform: translateY(-0.075em);
    display: grid; 
    place-content: center;
}

.checkbox-examboard::before {
  content: "";
  width: 0.65em;
  height: 0.65em;
  transform: scale(0);
  transition: 120ms transform ease-in-out;
  box-shadow: inset 1em 1em yellow;
  transform-origin: bottom left;
  /* clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%); */
}

.checkbox-examboard:checked::before {
  transform: scale(1);
}

a.nav-link.active {
    color: #dbdbdb !important;
}

a.nav-link.active-navbar {
    color: #11caf0 !important;
    text-decoration: underline;
    text-decoration-thickness: 3px;
    text-decoration-color: #11caf0 !important;
    text-underline-offset: 26px;
}

/* a.nav-link.link-secondary.active::before {
    content: "active";
} */

@media (min-width:1500px) {
    .d-xxxl-block {
        display: block !important;
    }
    .d-xxxl-none {
        display: none !important;
    }
}

.btn-notes-sidebar {
    --bs-btn-color: #95ece9;
    --bs-btn-bg: #17a3b837;
    /* --bs-btn-border-color: #0d6dfd8c; */
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #17a3b837;
    --bs-btn-hover-border-color: #0a57ca00;
    --bs-btn-focus-shadow-rgb: 49, 132, 253;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #17a3b837;
    --bs-btn-active-border-color: #0a52be00;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #0d6efd;
    --bs-btn-disabled-border-color: #0d6efd;
}

.btn-notes-sidebar-xxxl {
    --bs-btn-color: #888787;
    --bs-btn-bg: #22272c3a;
    /* --bs-btn-border-color: #6a9ce78c; */
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #17a3b837;
    --bs-btn-hover-border-color: #0a57ca00;
    --bs-btn-focus-shadow-rgb: 49, 132, 253;
    --bs-btn-active-color: #d2d2d2;
    --bs-btn-active-bg: #17a3b837;
    --bs-btn-active-border-color: #0a52be00;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #0d6efd;
    --bs-btn-disabled-border-color: #0d6efd;
}

.card-landing-page {
  /* --bs-btn-hover-bg: #17a2b8; */
  text-decoration-line: none;
  transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

.card-landing-page:hover {
  background-color: hsla(188, 78%, 41%, 0.45);
}

.notes-sidebar-blur {
    backdrop-filter: blur(4px);
}

.checkbox-unchecked:hover {
    opacity: 75%;
}

.checkbox-checked:hover {
    opacity: 90%;
}

.btn-primary-examboard {
    --bs-btn-color: hsl(178, 100%, 100%);
    /* --bs-btn-bg: #0d6efd; */
    --bs-btn-bg: hsl(220, 100%, 55%);
    --bs-btn-border-color: #0d6efd;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #17a3b8c9;
    --bs-btn-hover-border-color: #0a57ca00;
    --bs-btn-focus-shadow-rgb: 49, 132, 253;
    --bs-btn-active-color: #ffffff;
    --bs-btn-active-bg: #17a3b894;
    --bs-btn-active-border-color: #0a52be00;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #0d6efd;
    --bs-btn-disabled-border-color: #0d6efd;
}

@keyframes bang {
  from {
    transform: translate3d(0,0,0);
    opacity: 1;
  }
}

div {
    confetti-piece {
        animation: bang 400ms ease-out forwards;
        position: absolute;
        display: block;
        left: 94%;
        top: 7%;
        width: 3px;
        height: 8px;
        opacity: 0;
    }
}

.form-check-input:checked {
    background-color: #666dff6a;
    border-color: #0dfd4500;
}

.form-check-input, .form-switch, .form-check :focus {
    outline: none;
    box-shadow: none;
    --bs-form-switch-bg: none;
    border-color: none;
    border: none;
}

.form-switch .form-check-input:not(:checked):not(:focus) {
    --bs-form-switch-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%2386b7fe'/%3e%3c/svg%3e") !important;
}

.text-notes-emphasis {
    color:rgb(13 202 240);
    /* font-weight: 450; */
}


.bd-callout {
    --bs-link-color-rgb: var(--bd-callout-link);
    --bs-code-color: var(--bd-callout-code-color);
    padding: 1.25rem;
    margin-top: 1.25rem;
    margin-bottom: 1.25rem;
    color: var(--bd-callout-color, inherit);
    /* background-color: var(--bd-callout-bg, var(--bs-gray-100)); */
    /* background-color:hsl(248, 19%, 15.5%); */
    background-color:hsl(248, 20%, 15%);
    /* background: linear-gradient(to right,hsl(247, 25%, 16%), rgba(255, 255, 255, 0)); */
    border-left: .25rem solid var(--bd-callout-border, var(--bs-gray-300));
}

.bd-callout-info {
    /* --bd-callout-color: var(--bs-info-text-emphasis); */
    --bd-callout-color: rgb(171, 238, 255);
    --bd-callout-bg: var(--bs-info-bg-subtle);
    --bd-callout-border: var(--bs-info-border-subtle);
}