@import url('https://fonts.googleapis.com/css2?family=Intel:wght@300;400;500&display=swap');

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

html, body {
    margin: 0;
    font-family: 'Intel', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-weight: 400;
    font-size: 15px;
    line-height: 1.6;
    color: #1a1a1a;
    background: #fafafa;
    overflow-x: hidden;
}

main {
    max-width: 680px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

h1:focus {
    outline: none;
}

/* Feed */

.feed {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.loading,
.empty {
    color: #999;
    font-weight: 300;
    letter-spacing: 0.02em;
}

/* Card */

.card {
    border-bottom: 1px solid #e8e8e8;
    padding-bottom: 1rem;
}

.card-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.card-title {
    font-weight: 400;
    font-size: 1.05rem;
    letter-spacing: 0.01em;
    color: #111;
    text-decoration: none;
}

.card-footer {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-top: 0.4rem;
}

.card-date {
    font-size: 0.5rem;
    color: #333;
    white-space: nowrap;
    letter-spacing: 0.04em;
}

.card-content {
    margin: 0;
    font-size: 1rem;
    color: #333;
    font-weight: 400;
    line-height: 1.7;
}

.card-content ul,
.card-content ol {
    margin: 0;
    padding-left: 1.1em;
}

.card-content a {
    color: #555;
    text-decoration: none;
    border-bottom: 1px solid #ddd;
    transition: color 0.15s, border-color 0.15s;
    word-break: break-all;
    overflow-wrap: break-word;
}

.card-content a:hover {
    color: #111;
    border-bottom-color: #111;
}

.card-source {
    font-size: 0.5rem;
    color: #333;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Theme toggle */

.theme-btn {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: none;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    color: #aaa;
    width: 1.75rem;
    height: 1.75rem;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    z-index: 100;
    transition: color 0.15s, border-color 0.15s;
}

.theme-btn:hover {
    color: #444;
    border-color: #999;
}

.top-btn {
    position: fixed;
    top: 3rem;
    right: 1rem;
    background: none;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    color: #aaa;
    width: 1.75rem;
    height: 1.75rem;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    z-index: 100;
    transition: color 0.15s, border-color 0.15s;
}

.top-btn:hover {
    color: #444;
    border-color: #999;
}

/* Dark mode */

html.dark body {
    color: #e4e4e4;
    background: #1a1a1a;
}

html.dark .card {
    border-bottom-color: #333;
}

html.dark .card-title {
    color: #f5f5f5;
}

html.dark .card-content {
    color: #c9c9c9;
}

html.dark .card-content a {
    color: #9a9a9a;
    border-bottom-color: #444;
}

html.dark .card-content a:hover {
    color: #f5f5f5;
    border-bottom-color: #999;
}

html.dark .loading,
html.dark .empty {
    color: #777;
}

html.dark .card-date,
html.dark .card-source {
    color: #888;
}

html.dark .theme-btn {
    border-color: #444;
    color: #888;
}

html.dark .theme-btn:hover {
    color: #f5f5f5;
    border-color: #888;
}

html.dark .top-btn {
    border-color: #444;
    color: #888;
}

html.dark .top-btn:hover {
    color: #f5f5f5;
    border-color: #888;
}

/* Error UI */

#blazor-error-ui {
    background: #fff3cd;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.1);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    font-size: 0.8rem;
}