:root {
    --purple: #9D61F7;
    --dark-purple: #8950DE;
    --light-purple: #DAC8F5;

    --coral: #E76E52;
    --light-coral: #EEB1A3;

    --green: #A4D28B;
    --light-green: #CCE3C0;

    --black: #000000;
    --white: #FFFFFF;

    --gray: #6c757d;
    --light-gray: #eeeeee;
}

body {
    background-color: var(--white);
    color: var(--black);
    font-family: Arial, sans-serif;

    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Navbar */

.we-grow-navbar {
    background-color: var(--white);
    border-bottom: 1px solid var(--light-gray);
}

.we-grow-logo {
    color: var(--black);
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
}

.we-grow-logo span {
    color: var(--purple);
}

.nav-link {
    color: var(--black);
}

.nav-link:hover {
    color: var(--purple);
}

.dropdown-item:active {
    background-color: var(--purple);
}

.we-grow-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--light-gray);
}

/* Notifications */
.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--coral);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: bold;
    border-radius: 50%;
    padding: 1px 6px;
}

.notification-menu {
    width: 320px;
    max-height: 400px;
    overflow-y: auto;
}

.notification-item {
    padding: 10px 15px;
    border-bottom: 1px solid var(--light-gray);
    font-size: 0.9rem;
    white-space: normal;
}

/* Unread notifications background */
.notification-unread {
    background-color: var(--light-purple);
}


/* Buttons */
.btn-primary,
.btn-outline-primary {
    --bs-btn-hover-bg: var(--dark-purple);
    --bs-btn-hover-border-color: var(--dark-purple);
    --bs-btn-active-bg: var(--dark-purple);
    --bs-btn-active-border-color: var(--dark-purple);
    --bs-btn-focus-shadow-rgb: 157, 97, 247;
}

.btn-primary {
    --bs-btn-bg: var(--purple);
    --bs-btn-border-color: var(--purple);
}

.btn-outline-primary {
    --bs-btn-color: var(--purple);
    --bs-btn-border-color: var(--purple);
}

.btn-coral {
    background-color: var(--coral);
    border-color: var(--coral);
    color: var(--white);
}

.btn-green {
    background-color: var(--green);
    border-color: var(--green);
    color: var(--black);
}


/* Cards */

.we-grow-card {
    background-color: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;

    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.we-grow-card h3 {
    font-size: 1.4rem;
}

.we-grow-card p {
    color: var(--gray);
}

/* Course cards */
.course-card {
    background-color: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 12px;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.course-card-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

/* Placeholder shown when the course has no image */
.course-card-image-empty {
    width: 100%;
    height: 180px;
    background-color: var(--light-gray);
    color: var(--purple);
    font-size: 2.5rem;

    display: flex;
    align-items: center;
    justify-content: center;
}

/* The course details page shows the image next to the details */
.course-detail-image {
    height: 260px;
}

.course-card-body {
    padding: 20px;

    display: flex;
    flex-direction: column;
    flex: 1;
}

.course-card-title {
    font-size: 1.15rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.course-card-teacher {
    color: #669A4D;
    font-size: 0.9rem;
    text-decoration: none;
}

.course-card-teacher:hover {
    text-decoration: underline;
}

.course-card-description {
    color: var(--gray);
    margin: 10px 0;
}

.course-card-rating {
    color: var(--coral);
    font-weight: bold;
}

/* Keeps the button at the bottom of every card in the row */
.course-card .btn {
    margin-top: auto;
}

/* Course chat */
.chat-log {
    max-height: 350px;
    overflow-y: auto;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--light-gray);
    flex-shrink: 0;
}

/* Forms */

.form-control,
.form-select {
    border-radius: 8px;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--purple);
    box-shadow: 0 0 0 0.2rem rgba(157, 97, 247, 0.15);
}

.rating-options > div {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.rating-options input {
    margin-right: 4px;
}

.form-check-input:checked {
    background-color: var(--purple);
    border-color: var(--purple);
}

.form-check-input:focus {
    border-color: var(--purple);
    box-shadow: 0 0 0 0.2rem rgba(157, 97, 247, 0.15);
}


/* Course badges */

.badge-purple {
    background-color: var(--light-purple);
    color: var(--black);
}

.badge-green {
    background-color: var(--light-green);
    color: var(--black);
}

.badge-coral {
    background-color: var(--light-coral);
    color: var(--black);
}


/* Sections */

.page-section {
    padding-top: 40px;
    padding-bottom: 40px;
}

.purple-section {
    background-color: var(--light-purple);
    padding: 30px;
    border-radius: 15px;
}

.green-section {
    background-color: var(--light-green);
    padding: 30px;
    border-radius: 15px;
}

.coral-section {
    background-color: var(--light-coral);
    padding: 30px;
    border-radius: 15px;
}


/* Profile */

.profile-card {
    border: 1px solid var(--light-gray);
    border-radius: 12px;
    padding: 25px;
    background-color: var(--white);
}


/* Utility */

.text-purple {
    color: var(--purple);
}

.text-coral {
    color: var(--coral);
}

.text-green {
    color: #669A4D;
}

.text-muted {
    color: var(--gray) !important;
}


/* Footer */

.we-grow-footer {
    border-top: 1px solid var(--light-gray);
    padding: 30px 0;
    margin-top: 50px;
}


/* Mobile */

@media (max-width: 768px) {

    .page-section {
        padding-top: 25px;
        padding-bottom: 25px;
    }

    .purple-section,
    .green-section,
    .coral-section {
        padding: 20px;
    }
}