/* General */
:root {
    --c-gradient-primary: linear-gradient(to right, #EBC071, #E3536B);
    --c-dark-grey: #434343;
    --c-darker-grey: #626262;
    --c-grey: #767676;
    --c-light-grey: #cbcbcb;
    --c-red: #E3536B;
    --c-green: #87CE49;

    /* Shadow System */
    --c-shadow-soft: 0px 3px 3px 0px rgba(0, 0, 0, 0.1), 0px 0px 2px 0px rgba(0, 0, 0, 0.1);
    --c-shadow-medium: 0px 3px 3px 0px rgba(0, 0, 0, 0.25), 0px 0px 2px 0px rgba(0, 0, 0, 0.25);
    --c-shadow-large: 0 8px 30px rgba(0, 0, 0, 0.15);
    --c-shadow-button: 0 2px 8px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
}

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
select:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 1000px #ffffff inset;
    box-shadow: 0 0 0 1000px #ffffff inset;
    -webkit-text-fill-color: #000000; /* text color */
    transition: background-color 9999s ease-in-out 0s;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

/* Responsive breakpoints - Mobile first */
@media (min-width: 576px) {
    .c-width {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .c-width {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .c-width {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .c-width {
        max-width: 960px;
    }
}

/* Main blocks */
body {
    font-family: "Inter", sans-serif;
    font-optical-sizing: auto;
    background: radial-gradient(circle at center, #ffffff,#f0f0f0, #c7c7c7 80%, #b1b1b1);
}

.c-footer {
    background-color: var(--c-dark-grey);
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.85rem;
    font-weight: 300;
    border-top: 3px solid;
    border-image: var(--c-gradient-primary) 1;
}

.c-footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1rem 1rem;
    gap: 1.5rem;
}

.c-footer-left {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.c-footer-logo {
    opacity: 0.85;
    filter: brightness(1.8);
}

.c-footer-tagline {
    margin: 0;
    font-size: 0.8rem;
    opacity: 0.55;
    letter-spacing: 0.02em;
}

.c-footer-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.c-footer-nav {
    display: flex;
    gap: 2rem;
}

.c-footer-nav-col {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.c-footer-nav a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    transition: color 0.2s ease;
}

.c-footer-nav a:hover {
    color: #EBC071;
}

.c-footer-github {
    display: inline-flex;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

.c-footer-github:hover {
    opacity: 0.9;
}

.c-footer-bottom {
    text-align: center;
    padding: 0.5rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.7rem;
    opacity: 0.4;
}

@media (max-width: 575px) {
    .c-footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.25rem;
    }

    .c-footer-left {
        align-items: center;
    }

    .c-footer-right {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Navigation */
.c-navlink {
    position: relative;
    max-width: fit-content;
}
    
.c-navlink::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    left: 0;
    bottom: -2px;
    background: var(--c-gradient-primary);
    border-radius: 2rem;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease-in-out;
}

.c-navlink:hover::after {
    transform: scaleX(1);
}

.c-active {
    position: relative;
}

.c-active::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    left: 0;
    bottom: -2px;
    background: var(--c-gradient-primary);
    border-radius: 2rem;
    transform: scaleX(1);
}

.c-navlink:focus::after {
    transform: scaleX(1);
}

.c-navlink:focus-visible {
    outline: 2px solid var(--c-dark-grey);
    outline-offset: 4px;
    border-radius: 4px;
}

.navlink-icon {
    filter: brightness(100%);
    transition: 0.3s ease;
}

.navlink-icon:hover {
    filter: brightness(50%);
}

.navlink-icon:focus,
.navlink-icon:focus-visible {
    outline: 2px solid var(--c-dark-grey);
    outline-offset: 4px;
    border-radius: 4px;
}

.dropdown-item img {
    margin-right: 0.5rem;
}

.dropdown-item:focus {
    background-color: rgba(0, 0, 0, 0.05);
    outline: 2px solid var(--c-dark-grey);
    outline-offset: -2px;
}

/* Dropdown - Hover and Click Support */
.nav-item.dropdown:hover .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu {
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    margin-top: 0;
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-item.dropdown:hover > a {
    color: inherit;
}

/* Text */
h2 {
    font-weight: 200;
    color: var(--c-grey);
    margin-bottom: 1.5rem;
}

.c-underline {
    position: relative;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.c-underline:before {
    content: "";
    position: absolute;
    width: 50%;
    bottom: 0;
    left: 25%;
    border-bottom: 1px solid var(--c-grey);
}

.c-gradient-text {
    background-image: var(--c-gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.c-dark-grey-text {
    color: var(--c-dark-grey);
}

.c-darker-grey-text {
    color: var(--c-darker-grey);
}

.c-grey-text {
    color: var(--c-grey);
}

.c-red-text {
    color: var(--c-red);
}

.c-green-text {
    color: var(--c-green);
}

.c-letter-spacing {
    letter-spacing: -0.1rem;
}

.c-default-text {
    font-size: 1rem;
} 

.c-subtle-text {
    font-size: 0.8rem;
    margin: 0;
}

.c-small-text {
    font-size: 0.875rem;
}

.c-measure-narrow {
    max-width: 24rem;
}

.c-fw-thin {
    font-weight: 200;
}

.c-huge-text {
    font-size: 7rem;
    font-weight: 900;
}

/* Responsive typography */
@media (max-width: 575px) {
    .c-huge-text {
        font-size: 4rem;
    }
}

@media (min-width: 576px) and (max-width: 767px) {
    .c-huge-text {
        font-size: 5rem;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .c-huge-text {
        font-size: 6rem;
    }
}

/* Sizing */
.c-max-width-75 {
    max-width: 75%;
}

/* Background */
.c-grey-bg {
    background-color: var(--c-dark-grey);
}

/* Box shadow utilities */
.c-box-shadow {
    box-shadow: var(--c-shadow-large);
}

.c-soft-shadows {
    box-shadow: var(--c-shadow-soft);
}

/* Buttons */
.c-btn-primary {
    font-size: 0.875rem;
    display: block;
    background-image: var(--c-gradient-primary);
    color: white;
    text-decoration: none;
    font-weight: 600;
    width: fit-content;
    border: none;
    border-radius: 8px;
    padding: 0.8rem 2.5rem;
    box-shadow: var(--c-shadow-button);
    position: relative;
    overflow: hidden;
}

.c-btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    transition: 0.2s ease;
}

.c-btn-primary span {
    position: relative;
    z-index: 1;
}

.c-btn-primary:hover::before {
    left: 0;
}

.c-btn-primary:focus,
.c-btn-primary:focus-visible {
    outline: 3px solid var(--c-dark-grey);
    outline-offset: 3px;
}

/* Buttons with spinner */
#c-spinner {
    display: none;
}

.c-btn-disabled::before {
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.15);
}

/* Cards */
.c-card {
    background-color: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(8px);
    border: 1.5px solid rgba(0, 0, 0, 0.06);
    border-radius: 1rem;
    color: var(--c-dark-grey);
    min-height: 18rem;
    max-width: 18rem;
    width: 100%;
    padding: 0;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.c-card-body {
    padding: 1.5rem 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 18rem;
}

.c-card:hover {
    border-color: rgba(0, 0, 0, 0.18);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
}

.c-card:hover::before {
    opacity: 1;
}

.c-card .arrow-icon {
  transition: 0.3s;
}

.c-card:hover .arrow-icon {
  transform: scale(1.15);
  filter: brightness(50%);
}

.c-card:focus,
.c-card:focus-visible {
    outline: 3px solid var(--c-dark-grey);
    outline-offset: 2px;
    border-color: var(--c-dark-grey);
}

/* Price change badge */
.c-price-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 1rem;
    vertical-align: middle;
}

.c-price-badge-up {
    color: var(--c-red);
    background-color: rgba(227, 83, 107, 0.1);
}

.c-price-badge-down {
    color: var(--c-green);
    background-color: rgba(135, 206, 73, 0.12);
}

.c-status-badge-failed {
    color: #fff;
    background-color: var(--c-red);
}

.c-card-failed {
    border-color: rgba(227, 83, 107, 0.45);
    box-shadow: 0 2px 12px rgba(227, 83, 107, 0.12);
}

.c-price-stale {
    opacity: 0.45;
    filter: grayscale(0.6);
}

/* Card divider */
.c-card-divider {
    border-top: 1px solid rgba(0, 0, 0, 0.07);
    margin: 0.75rem 0;
}

/* Responsive card sizing */
@media (max-width: 575px) {
    .c-card {
        min-height: 16rem;
    }

    .c-card-body {
        padding: 1.25rem;
        min-height: 16rem;
    }
}

/* Detail page */
.c-hero-price {
    font-size: 3.5rem;
    font-weight: 800;
}

.c-hero-currency {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--c-grey);
}

.c-price-badge-lg {
    font-size: 0.875rem;
    padding: 0.25rem 0.75rem;
}

.c-vertical-divider {
    width: 1px;
    background-color: var(--c-light-grey);
    align-self: stretch;
}

.c-icon-btn {
    padding: 0.75rem;
    border-radius: 0.5rem;
    transition: 0.2s;
}

.c-icon-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

@media (max-width: 575px) {
    .c-hero-price {
        font-size: 2.5rem;
    }

    .c-hero-currency {
        font-size: 1.1rem;
    }
}

/* Boxes */
.c-main-box {
    background-color: rgba(255, 255, 255, 0.25);
    border-radius: 8px;
    min-height: 36rem;
    padding: 2rem;
}

.c-detail-info-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
}

.c-small-box {
    border-radius: 8px;
    padding: 1rem;
}

.c-box-border {
    border: 1px solid var(--c-light-grey);
    border-radius: 1rem;
}

/* Responsive box sizing */
@media (max-width: 575px) {
    .c-main-box {
        padding: 1.5rem;
        min-height: 30rem;
    }
}

@media (min-width: 576px) and (max-width: 767px) {
    .c-main-box {
        padding: 1.75rem;
        min-height: 32rem;
    }
}

/* Pagination */
.c-pagination-item {
    color: var(--c-dark-grey);
    border-radius: 0.5rem !important;
}

.c-pagination-item:hover {
    color: white;
    background-color: var(--c-dark-grey);
}

.c-pagination-active {
    color: white !important;
    background-color: var(--c-dark-grey) !important;
    border-color: var(--c-dark-grey) !important;
    font-weight: 600;
}

.c-pagination-item:focus,
.c-pagination-item:focus-visible {
    outline: 2px solid var(--c-dark-grey);
    outline-offset: -2px;

}

.pagination .page-item {
    margin: 0 0.15rem;
}

/* Anchors */
a {
    text-decoration: none;
}

.c-a-brightness-down {
    filter: brightness(60%);
    transition: 0.3s;
}

.c-a-brightness-down:hover {
    filter: brightness(20%);
}

.c-a-brightness-top-down {
    filter: brightness(90%);
    transition: 0.3s;
}

.c-a-brightness-top-down:hover {
    filter: brightness(70%);
}

.c-a-brightness-down:focus,
.c-a-brightness-top-down:focus,
.c-a-brightness-down:focus-visible,
.c-a-brightness-top-down:focus-visible {
    outline: 2px solid var(--c-dark-grey);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Forms */
.c-form {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--c-light-grey);
    padding: 0.7rem 1rem;
    color: var(--c-dark-grey);
}

.c-form:focus {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--c-dark-grey);
    box-shadow: 0 0 0 0;
    color: var(--c-dark-grey);
}

.c-form-lg {
    padding: 0.85rem 1.15rem;
    font-size: 1rem;
    border-radius: 0.5rem;
}

.c-form-icon-wrapper {
    width: 4rem;
    height: 4rem;
    border-radius: 1rem;
    background-color: rgba(255, 255, 255, 0.4);
    border: 1px solid var(--c-light-grey);
    display: flex;
    align-items: center;
    justify-content: center;
}

.c-form-card {
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 0.75rem;
    padding: 2rem;
}

.c-form-card-narrow {
    max-width: 32rem;
}

.c-options-divider {
    border-color: var(--c-grey);
    opacity: 0.3;
    margin: 0;
}

.c-options-divider-vertical {
    width: 0;
    border-left: 1px solid var(--c-grey);
    opacity: 0.3;
    align-self: stretch;
}

.c-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 50%;
    background: var(--c-gradient-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}

.c-form::placeholder {
    color: var(--c-light-grey);
  }

.c-no-box-shadow {
    box-shadow: 0 0 0 0;
}

/* Google OAuth button */
.c-btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    width: 100%;
    padding: 0.8rem 1.5rem;
    background: #fff;
    color: #3c4043;
    border: 1.5px solid #dadce0;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    box-shadow: var(--c-shadow-button);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.c-btn-google:hover {
    background: #f1f3f4;
    border-color: #c0c4c9;
    color: #3c4043;
}

.c-btn-google:focus-visible {
    outline: 3px solid var(--c-dark-grey);
    outline-offset: 3px;
}