* {
    box-sizing: border-box;
}

:root {
    --dtu-red: #990000;
    --dtu-red-dark: #7a0000;
    --dtu-red-darker: #5c0000;
    --dtu-red-soft: #f8eaea;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    min-height: 100vh;
}

/* Bootstrap theme overrides */
.btn-danger {
    background-color: var(--dtu-red);
    border-color: var(--dtu-red);
}

.btn-danger:hover,
.btn-danger:focus,
.btn-danger:active,
.btn-danger.active {
    background-color: var(--dtu-red-dark) !important;
    border-color: var(--dtu-red-dark) !important;
}

.btn-outline-danger {
    color: var(--dtu-red);
    border-color: var(--dtu-red);
}

.btn-outline-danger:hover,
.btn-outline-danger:focus,
.btn-outline-danger:active {
    background-color: var(--dtu-red);
    border-color: var(--dtu-red);
    color: #fff;
}

.text-danger {
    color: var(--dtu-red) !important;
}

.link-danger {
    color: var(--dtu-red) !important;
}

.link-danger:hover,
.link-danger:focus {
    color: var(--dtu-red-dark) !important;
}

.border-danger {
    border-color: var(--dtu-red) !important;
}

.bg-danger {
    background-color: var(--dtu-red) !important;
}

.alert-danger {
    --bs-alert-color: #6b0000;
    --bs-alert-bg: #fff1f1;
    --bs-alert-border-color: #e4b3b3;
}

.list-group-item .method-dot {
    background: var(--dtu-red);
}

/* Your existing custom styles */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
}

.dtu-logo {
    height: 40px;
    width: auto;
    flex-shrink: 0;
}

.custom-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 5px;
    background: var(--dtu-red);
    border-top-left-radius: inherit;
    border-bottom-left-radius: inherit;
}

.gif-container {
    background: #f5f5f7;
    border: 1px solid #e2e2e6;
    border-radius: 12px;
    width: 100%;
    aspect-ratio: 1894 / 1044;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gif-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.check-icon {
    background: #198754;
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.method-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--dtu-red);
    display: inline-block;
    flex-shrink: 0;
}