:root {
    --paper: #f2f2f2;
    --ink: #111111;
    --muted: #5f5f5f;
    --accent: #2b2b2b;
}

body {
    background: radial-gradient(circle at 20% 20%, #ffffff 0%, var(--paper) 52%, #dedede 100%);
    color: var(--ink);
    transition: background 0.25s ease, color 0.25s ease;
}

.ks-navbar {
    padding-top: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.ks-nav-inner {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 0.9rem;
    padding: 0.6rem 0.75rem;
}

.ks-brand {
    letter-spacing: 0.02em;
    font-size: 1.05rem;
}

.ks-nav-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
}

.ks-nav-chip {
    border-radius: 999px;
    padding: 0.32rem 0.72rem;
    font-weight: 500;
}

.ks-user-tag {
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    padding: 0.25rem 0.68rem;
    background: rgba(255, 255, 255, 0.06);
}

.ks-navbar .btn-outline-light:hover,
.ks-navbar .btn-outline-light:focus {
    background-color: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.4);
}

.hero {
    background: linear-gradient(135deg, #f5f5f5 0%, #ececec 45%, #dfdfdf 100%);
    border: 1px solid #c8c8c8;
}

.story-cover {
    height: 220px;
    object-fit: cover;
}

.story-cover-large {
    width: 100%;
    max-height: 360px;
    object-fit: cover;
}

.markdown-body img {
    max-width: 100%;
    border-radius: 0.7rem;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
    margin-top: 1.5rem;
}

.markdown-body p,
.markdown-body li {
    line-height: 1.7;
}

.btn-dark {
    background-color: #111111;
    border-color: #111111;
}

.btn-dark:hover,
.btn-dark:focus {
    background-color: #2a2a2a;
    border-color: #2a2a2a;
}

.btn-outline-dark {
    color: #202020;
    border-color: #202020;
}

.btn-outline-dark:hover,
.btn-outline-dark:focus {
    background-color: #202020;
    border-color: #202020;
}

.alert-success {
    background-color: #efefef;
    border-color: #cfcfcf;
    color: #1d1d1d;
}

.alert-warning {
    background-color: #f0f0f0;
    border-color: #cecece;
    color: #1d1d1d;
}

.alert-danger {
    background-color: #ebebeb;
    border-color: #c9c9c9;
    color: #161616;
}

body.dark-mode {
    background: #212529;
    color: #e9e9e9;
}

body.dark-mode .ks-nav-inner {
    background: rgba(255, 255, 255, 0.01);
    border-color: rgba(255, 255, 255, 0.16);
}

body.dark-mode .ks-user-tag {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.18);
}

body.dark-mode .hero {
    background: linear-gradient(135deg, #2f2f2f 0%, #262626 40%, #1f1f1f 100%);
    border-color: #494949;
}

body.dark-mode .card {
    background-color: #161616;
    color: #efefef;
}

body.dark-mode .text-secondary,
body.dark-mode .small.text-secondary {
    color: #b8b8b8 !important;
}

body.dark-mode .form-control {
    background-color: #101010;
    border-color: #4a4a4a;
    color: #efefef;
}

body.dark-mode .form-control:focus {
    background-color: #141414;
    color: #f4f4f4;
    border-color: #8b8b8b;
    box-shadow: 0 0 0 0.25rem rgba(139, 139, 139, 0.22);
}

body.dark-mode .markdown-body a {
    color: #d1d1d1;
}

body.dark-mode .btn-dark {
    background-color: #e8e8e8;
    border-color: #e8e8e8;
    color: #121212;
}

body.dark-mode .btn-dark:hover,
body.dark-mode .btn-dark:focus {
    background-color: #cfcfcf;
    border-color: #cfcfcf;
    color: #111111;
}

body.dark-mode .btn-outline-dark {
    color: #dbdbdb;
    border-color: #777777;
}

body.dark-mode .btn-outline-dark:hover,
body.dark-mode .btn-outline-dark:focus {
    background-color: #2f2f2f;
    border-color: #8d8d8d;
    color: #f0f0f0;
}

body.dark-mode .alert-success,
body.dark-mode .alert-warning,
body.dark-mode .alert-danger {
    background-color: #212121;
    border-color: #5a5a5a;
    color: #e9e9e9;
}

@media (max-width: 768px) {
    .story-cover {
        height: 180px;
    }

    .hero {
        padding: 1.2rem !important;
    }

    .ks-nav-inner {
        align-items: flex-start !important;
        gap: 0.6rem !important;
    }

    .ks-brand {
        font-size: 0.98rem;
    }

    .ks-nav-actions {
        width: 100%;
        justify-content: flex-start;
    }
}