/* ================================================= */
/* 1. GLOBAL & UTILITIES */
/* ================================================= */

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    flex-direction: column;
    background-color: #f8f1ff;
}

.main-content-wrapper {
    flex: 1 0 auto;
    background-color: #f8f1ff;
}

.text-purple {
    color: #6a1b9a !important;
}

.text-dark-purple {
    color: #4a148c !important;
}

.bg-light-section {
    background-color: #ffffff;
}

.text-dark-blue {
    color: #1a237e !important;
}

.btn-purple-gradient,
.bg-purple-gradient,
.bg-dark-card {
    background: linear-gradient(to right, #6216FF, #C080F0);
    border: none;
}

.btn-purple-gradient:hover {
    filter: brightness(1.1);
}

.bg-light-purple-text {
    background-color: #ffffff;
    color: #6216FF;
    border-color: #f3e5f5;
}

.btn-outline-light-purple {
    color: #6216FF;
    border-color: #6216FF;
}

.text-nowrap {
    white-space: nowrap !important;
}

/* ================================================= */
/* 2. HEADER & NAVIGATION */
/* ================================================= */

.navbar {
    background-color: #ffffff !important;
}

.navbar .navbar-brand img {
    height: 40px;
}

.nav-link {
    position: relative;
    color: #000000 !important;
    padding-top: 0.6rem !important;
    padding-bottom: 0.6rem !important;
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
    transition: color 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
    text-decoration: none;
    background-color: transparent;
    border-radius: 5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.2rem;
    height: 3px;
    background-color: #5e35b1;
    border-radius: 5px;
    transform-origin: center;
    transform: scaleX(0);
    transition: transform 0.3s ease, background-color 0.2s;
}

.nav-link:hover {
    color: #5e35b1 !important;
    background-color: #e9c3ff;
    transform: scale(1);
}

.nav-link:hover::after {
    transform: scaleX(0);
}

.nav-link.active-tab {
    color: #000000 !important;
    background-color: transparent;
    transform: scale(1);
}

.nav-link.active-tab::after {
    transform: scaleX(1);
    background-color: #000000;
}

.nav-link.active-tab:hover {
    color: #000000 !important;
    background-color: transparent;
    transform: scale(1);
}

/* MEDIA QUERIES (Desktop: >= 992px) */
@media (min-width: 992px) {
    .btn-download-nav {
        max-width: 200px;
        min-width: 150px;
        font-size: 0.9rem;
        padding: 0.5rem 1rem !important;
    }

    .col-lg-10 .navbar-nav {
        display: flex;
        justify-content: center;
        width: 100%;
        margin: 0 auto;
    }

    .navbar-nav .nav-item {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* MEDIA QUERIES (Mobile: < 992px) */
@media (max-width: 991.98px) {
    .hamburger-absolute {
        position: absolute;
        top: 50%;
        right: 15px;
        transform: translateY(-50%);
        z-index: 1060;
    }

    .menu-mobile-overlay .nav-link {
        padding-top: 0.5rem !important;
        padding-bottom: 0.5rem !important;
        color: #000000 !important;
        transform: scale(1);
        background-color: transparent;
    }

    .menu-mobile-overlay .nav-link::after {
        bottom: 5px;
        background-color: #5e35b1;
        transform: scaleX(0);
    }

    .menu-mobile-overlay .nav-link.active-tab {
        color: #000000 !important;
        background-color: transparent;
        transform: scale(1);
    }

    .menu-mobile-overlay .nav-link.active-tab::after {
        transform: scaleX(1);
        background-color: #000000;
    }

    .menu-mobile-overlay .nav-link:hover {
        color: #5e35b1 !important;
        transform: scale(1);
        background-color: #e9c3ff;
    }

    .menu-mobile-overlay .nav-link:hover::after {
        transform: scaleX(0);
    }

    .menu-mobile-overlay .nav-link.active-tab:hover {
        color: #000000 !important;
        background-color: transparent;
        transform: scale(1);
    }
}

/* NAVBAR HOÀN HẢO CHO TABLET & DESKTOP */
@media (min-width: 768px) {
    .container.py-2 {
        flex-wrap: nowrap !important;
        gap: 2rem;
    }

    .desktop-menu .navbar-nav {
        gap: 3.5rem !important;
    }

    .desktop-menu .nav-link {
        font-weight: bold !important;
        color: #000 !important;
        padding: 0.5rem 1rem !important;
        font-size: 1.02rem !important;
        white-space: nowrap;
    }

    .desktop-menu .nav-link::after {
        content: '';
        position: absolute;
        left: 1rem;
        right: 1rem;
        bottom: 0.1rem;
        height: 3px;
        background-color: #5e35b1;
        border-radius: 5px;
        transform: scaleX(0);
        transition: transform 0.3s ease;
    }

    .desktop-menu .nav-link:hover::after,
    .desktop-menu .nav-link.active-tab::after {
        transform: scaleX(1);
    }

    .desktop-menu .nav-link.active-tab::after {
        background-color: #000 !important;
    }

    .desktop-menu .nav-link:hover {
        color: #5e35b1 !important;
        background-color: #e9c3ff !important;
        border-radius: 6px;
    }
}

@media (min-width: 768px) and (max-width: 991.98px) {
    .download-btn-wrapper .btn {
        padding: 0.4rem 0.8rem !important;
        font-size: 0.85rem !important;
        white-space: nowrap;
    }

    .container.py-2 {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }

    .desktop-menu .navbar-nav {
        gap: 0 !important;
    }
}

@media (min-width: 992px) {
    .desktop-menu .nav-nudge-right {
        margin-left: 5rem !important;
    }
}

@media (min-width: 1200px) {
    .desktop-menu .navbar-nav {
        gap: 0 !important;
    }
}

.desktop-menu .nav-nudge-right {
    margin-left: 2rem !important;
    gap: 0 !important;
}


/* ================================================= */
/* 3. PLAGIARISM CHECK SECTION */
/* ================================================= */

.main-title {
    color: #343A40;
    font-size: 34px;
}

.card-input {
    border-radius: 15px;
    position: relative;
    box-shadow: none !important;
    padding: 25px !important;
}

.card {
    border-radius: 15px;
    position: relative;
}

.card-input-title {
    margin-top: 6px !important;
    margin-bottom: 1rem !important;
}

textarea.form-control {
    resize: none;
    border: 2px solid #ccc;
    border-radius: 10px;
}

textarea.form-control:focus {
    border-color: #6a1b9a;
    box-shadow: 0 0 0 0.25rem rgba(106, 27, 154, 0.25);
}

#open-box-btn:hover {
    background-color: #eac8ff;
}

#check-btn {
    background-image: linear-gradient(to right, #6216FF, #C080F0);
    color: white;
    border: none;
    padding: 1rem;
    font-size: 0.8rem;
}

#check-btn:hover {
    filter: brightness(1.4);
}

.custom-img-icon {
    height: 1.25rem;
    width: 1.25rem;
    object-fit: contain;
}

.btn-custom-purple {
    color: #6216FF;
    background-color: #E0D0FF;
}

.btn-custom-purple:hover {
    color: white;
    background-color: #5a359d;
    border-color: #5a359d;
}

.btn-outline-light-purple:hover {
    background-color: #6216FF;
    color: white;
}

.clear-all-btn {
    color: #6216FF !important;
}

.url-input-field {
    background-color: #ffffff;
}

/* ================================================= */
/* 4. HOW-TO-USE SECTION */
/* ================================================= */

.how-to-use-title {
    color: #343A40;
    font-size: 34px;
}

.card.how-to-card {
    position: relative;
    padding-top: 70px !important;
    padding-left: 1.5rem !important;
    padding-right: 1.5rem !important;
    padding-bottom: 1.5rem !important;
    min-height: 240px;
    display: flex;
    flex-direction: column;
}

.card.how-to-card h5 {
    margin-top: 0 !important;
    margin-bottom: 0.5rem !important;
    padding-left: 0 !important;
    font-size: 1.1rem !important;
    line-height: 1.3 !important;
}

.card.how-to-card p {
    margin-bottom: 0 !important;
    font-size: 0.875rem !important;
    line-height: 1.5 !important;
    flex-grow: 1;
}

.number-circle {
    display: flex !important;
    justify-content: center;
    align-items: center;
    width: 48px !important;
    height: 48px !important;
    border-radius: 50% !important;
    font-weight: bold !important;
    font-size: 1.25rem !important;
    position: absolute !important;
    top: 12px !important;
    left: 12px !important;
    z-index: 10 !important;
}

.number-circle.bg-light-purple {
    background-color: #F7F3FF !important;
    color: #6216FF !important;
}

.number-circle.bg-white {
    background-color: #fff !important;
    color: #6216FF !important;
}

.bg-dark-card {
    color: #fff !important;
}

.bg-dark-card p.small {
    color: #fff !important;
}

.bg-light-card {
    background-color: #fff !important;
    color: #000 !important;
}

.card-content-color {
    color: #343A40 !important;
}

.bg-light-card p.text-secondary {
    color: #343A40 !important;
}

.card h5 {
    margin-top: 40px !important;
    padding-left: 0 !important;
}

.card-title-color {
    color: #343A40 !important;
}

.card p {
    padding-left: 0 !important;
}

/* HOW-TO-USE SECTION – RESPONSIVE LAYOUT */
@media (max-width: 767.98px) {
    .card.how-to-card {
        padding-top: 65px !important;
    }

    .number-circle {
        width: 44px !important;
        height: 44px !important;
        font-size: 1.1rem !important;
        top: 10px !important;
        left: 10px !important;
    }

    .row.g-4>[class*="col-"] {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .order-1 {
        order: 1;
    }

    .order-2 {
        order: 2;
    }

    .order-4 {
        order: 3;
    }

    .order-5 {
        order: 4;
    }
}

@media (min-width: 768px) and (max-width: 991.98px) {
    .row.g-4>[class*="col-"] {
        flex: 0 0 50%;
        max-width: 50%;
    }

    .order-1 {
        order: 1;
    }

    .order-2 {
        order: 2;
    }

    .order-4 {
        order: 3;
    }

    .order-5 {
        order: 4;
    }
}

@media (min-width: 992px) {

    .order-1,
    .order-2,
    .order-4,
    .order-5 {
        order: unset !important;
    }
}


/* ================================================= */
/* 5. TEAM SECTION */
/* ================================================= */
.team-card-custom {

    display: flex;
    padding: 20px;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    flex: 1 0 0;
    align-self: stretch;

    width: 100%;
    aspect-ratio: 3/4;
    border-radius: 16px;

}
.btn-nav-arrow {
    background: transparent;
    border: none;
    font-size: 40px;

    line-height: 1;
    color: #333;
    padding: 0 10px;
    cursor: pointer;
    transition: 0.2s;
}

.btn-nav-arrow:hover {
    transform: scale(1.2);
    color: #000;
}


/* ================================================= */
/* 6. DOWNLOAD SECTION */
/* ================================================= */

.download-title {
    color: #343A40;
    font-size: 34px;
}

.app-download-btn {
    width: 220px;
    justify-content: space-around !important;
}

.app-download-btn i {
    padding-right: 0 !important;
    margin-right: 1rem;
}

.download-text {
    font-size: 0.9rem !important;
    padding-left: 0 !important;
}

.app-download-btn>div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.app-download-btn.btn-purple-gradient:hover {
    background: #ffffff !important;
    color: #6216FF !important;
    border: 1px solid #6216FF !important;
    filter: none;

    & i {
        color: #6216FF !important;
    }

    & span {
        color: #6216FF !important;
    }
}

.app-download-btn.btn-outline-light-purple:hover {
    background-color: #4a148c !important;
    color: #fff !important;
    border: 1px solid #4a148c !important;

    & i {
        color: #fff !important;
    }

    & span {
        color: #fff !important;
    }
}

.google-play-btn {
    color: #6216FF !important;
    border-color: #6216FF !important;
}

.google-play-btn i {
    color: #6216FF !important;
}

.google-play-btn span {
    color: #6216FF !important;
}

/* ================================================= */
/* 7. FOOTER */
/* ================================================= */

footer {
    background-color: #B824F3 !important;
    color: #fff;
    margin-top: 0 !important;
    bottom: 0;
    flex-shrink: 0;
}

footer h3 {
    letter-spacing: 1px;
}

footer a {
    color: #fff;
}

.footer-logo {
    height: 50px;
}

.footer-copyright-row {
    width: 100%;
    text-align: center;
    padding-top: 5px;
}

.footer-copyright-row p {
    margin-bottom: 0 !important;
}

/* ================================================= */
/* 8. LOADING MODAL */
/* ================================================= */

.modal-fade {
    max-width: 1px;
}

.modal-body {
    padding-top: 2rem !important;
    padding-bottom: 2rem !important;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.modal-body h5 {
    margin-top: 1rem !important;
}

.spinner-custom {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    width: 1em;
    height: 1em;
    margin-top: 0.5rem;
}

.spinner-custom .spinner-blade {
    position: absolute;
    left: 50%;
    bottom: 10%;
    width: 0.25rem;
    height: 0.75rem;
    border-radius: 0.125rem;
    background: linear-gradient(to bottom, #c170ff, #d2d1d3);
    transform-origin: center -0.875rem;
    animation: spinner-fade-opacity 1.2s infinite ease-in-out;
}

.spinner-blade:nth-child(1) {
    transform: rotate(0deg);
    animation-delay: -1.2s;
}

.spinner-blade:nth-child(2) {
    transform: rotate(30deg);
    animation-delay: -1.1s;
}

.spinner-blade:nth-child(3) {
    transform: rotate(60deg);
    animation-delay: -1.0s;
}

.spinner-blade:nth-child(4) {
    transform: rotate(90deg);
    animation-delay: -0.9s;
}

.spinner-blade:nth-child(5) {
    transform: rotate(120deg);
    animation-delay: -0.8s;
}

.spinner-blade:nth-child(6) {
    transform: rotate(150deg);
    animation-delay: -0.7s;
}

.spinner-blade:nth-child(7) {
    transform: rotate(180deg);
    animation-delay: -0.6s;
}

.spinner-blade:nth-child(8) {
    transform: rotate(210deg);
    animation-delay: -0.5s;
}

.spinner-blade:nth-child(9) {
    transform: rotate(240deg);
    animation-delay: -0.4s;
}

.spinner-blade:nth-child(10) {
    transform: rotate(270deg);
    animation-delay: -0.3s;
}

.spinner-blade:nth-child(11) {
    transform: rotate(300deg);
    animation-delay: -0.2s;
}

.spinner-blade:nth-child(12) {
    transform: rotate(330deg);
    animation-delay: -0.1s;
}

@keyframes spinner-fade-opacity {
    0% {
        opacity: 0.1;
    }

    33% {
        opacity: 1;
    }

    66% {
        opacity: 0.5;
    }

    100% {
        opacity: 0.1;
    }
}

/* ================================================= */
/* 9. CAROUSEL CUSTOM ARROWS  */
/* ================================================= */

.carousel-control-prev,
.carousel-control-next {
    position: relative !important;
    width: auto !important;
    opacity: 1 !important;
    background-color: transparent !important;
    border: none !important;
    padding: 0 !important;
    box-shadow: none !important;
}

.carousel-control-next {
    margin-left: -20px !important;
}

.carousel-control-arrow-img {
    font-size: 3rem !important;
    font-weight: 300 !important;
    line-height: 1 !important;
    color: #000000 !important;
    display: inline-block !important;
    background: none !important;
    margin: 3px !important;
    padding: 5px !important;
    transition: color 0.3s ease;
}

#carouselPrev.disabled .carousel-control-arrow-img,
#carouselNext.disabled .carousel-control-arrow-img {
    color: #000000 !important;
    opacity: 1 !important;
    pointer-events: none;
}

#carouselPrev:not(:disabled) .carousel-control-arrow-img,
#carouselNext:not(:disabled) .carousel-control-arrow-img {
    color: #000000 !important;
}

.carousel-control-arrow-img {
    font-size: 2rem;
    color: #6a1b9a;
    padding: 0 10px;
}


/* ================================================= */
/* 10. CUSTOM MEDIA QUERIES (RESPONSIVE TEXT) */
/* ================================================= */

@media (min-width: 768px) and (max-width: 991.98px) {
    .main-title-section {
        font-size: 28px !important;
    }

    .sub-content {
        font-size: 16px !important;
    }
}

@media (max-width: 767.98px) {
    .main-title-section {
        font-size: 20px !important;
    }

    .sub-content {
        font-size: 14px !important;
    }

    .text-md-start {
        text-align: left !important;
    }
}