:root {
    --bg:        #0f1115;
    --bg-elev:   #161a22;
    --bg-hover:  #1c2230;
    --border:    #232938;
    --text:      #e6e9ef;
    --muted:     #8c93a4;
    --accent:    #5b8cff;
    --radius:    14px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.55 -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
    min-height: 100%;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    border-bottom: 1px solid var(--border);
    background: rgba(15,17,21,.85);
    backdrop-filter: blur(6px);
    position: sticky;
    top: 0;
    z-index: 10;
}
.site-header__inner { display: flex; align-items: center; height: 60px; }
.logo {
    font-weight: 600;
    font-size: 17px;
    color: var(--text);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.logo:hover { text-decoration: none; }
.logo__mark { color: var(--accent); font-size: 20px; }

.site-main { padding: 40px 0 60px; }

.page-title {
    font-size: 28px;
    margin: 0 0 8px;
    letter-spacing: -.02em;
}
.page-subtitle {
    color: var(--muted);
    margin: 0 0 32px;
}

/* ============================================
   Карточка-папка
   ============================================ */

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 26px 22px;
    padding-top: 14px; /* чтобы «язычок» папки не обрезался сверху */
}

.card {
    position: relative;
    display: block;
    padding: 22px 22px 20px;
    margin-top: 14px;              /* отступ под язычок */
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    transition:
        transform .18s ease,
        background .18s ease,
        border-color .18s ease,
        box-shadow .18s ease;
    box-shadow: 0 1px 0 rgba(255,255,255,.02) inset;
}

/* Язычок папки */
.card::before {
    content: "";
    position: absolute;
    top: -14px;
    left: 16px;
    width: 82px;
    height: 16px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-bottom: 0;
    border-radius: 8px 8px 0 0;
    transition: background .18s ease, border-color .18s ease;
}

/* «Склейка» язычка с телом карточки, чтобы не было видно шва */
.card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--bg-elev);
    transition: background .18s ease;
}

.card:hover {
    text-decoration: none;
    transform: translateY(-3px);
    background: var(--bg-hover);
    border-color: #2e364a;
    box-shadow:
        0 14px 28px -14px rgba(0,0,0,.55),
        0 2px 0 rgba(255,255,255,.02) inset;
}
.card:hover::before,
.card:hover::after {
    background: var(--bg-hover);
}

/* Лёгкое «приоткрытие» язычка при наведении */
.card:hover::before {
    transform: translateY(-1px);
    transition: transform .18s ease;
}

/* Внутреннее содержимое */
.card__body {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.card__icon {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: rgba(91,140,255,.12);
    border-radius: 10px;
    transition: background .18s ease;
}
.card:hover .card__icon {
    background: rgba(91,140,255,.18);
}

.card__title {
    margin: 0;
    padding-right: 52px;       /* не налезать на иконку */
    font-size: 17px;
    line-height: 1.3;
    letter-spacing: -.01em;
}

.card__desc {
    margin: 0;
    color: var(--muted);
    font-size: 13.5px;
    line-height: 1.5;
}

.card__more {
    margin-top: 6px;
    font-size: 12.5px;
    color: var(--accent);
    font-weight: 500;
    letter-spacing: .01em;
    transition: transform .18s ease;
}
.card:hover .card__more {
    transform: translateX(2px);
}
.section__list {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
    display: grid;
    gap: 8px;
}
.section__list a {
    display: block;
    padding: 12px 16px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
}
.section__list a:hover {
    text-decoration: none;
    background: var(--bg-hover);
}

.back-link { color: var(--muted); }

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 13px;
    color: var(--muted);
    margin: 0 0 16px;
}
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--text); }
.breadcrumbs span { color: var(--muted); }

.content { max-width: 780px; }

.site-footer {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    color: var(--muted);
    font-size: 13px;
}

/* === Пользователь в шапке === */
.site-header__inner {
    justify-content: space-between;
}

.user-box {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
}
.user-box__name {
    color: var(--text);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.user-box__role {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .04em;
    padding: 2px 8px;
    border-radius: 6px;
    background: rgba(91,140,255,.14);
    color: var(--accent);
}
.user-box__logout {
    color: var(--muted);
}
.user-box__logout:hover {
    color: var(--text);
}

/* === Страница логина === */
.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.auth-card {
    width: 100%;
    max-width: 380px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
}

.auth-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 17px;
    margin-bottom: 24px;
}

.auth-title {
    font-size: 20px;
    margin: 0 0 20px;
    letter-spacing: -.01em;
}

.auth-error {
    padding: 10px 14px;
    border-radius: 10px;
    background: rgba(255, 90, 90, .1);
    border: 1px solid rgba(255, 90, 90, .3);
    color: #ff9a9a;
    font-size: 13px;
    margin-bottom: 16px;
}

.auth-form {
    display: grid;
    gap: 14px;
}

.auth-field {
    display: block;
}
.auth-field__label {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 6px;
}
.auth-field input {
    width: 100%;
    padding: 10px 12px;
    background: #0e1218;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 10px;
    font: inherit;
    outline: none;
    transition: border-color .15s ease, background .15s ease;
}
.auth-field input:focus {
    border-color: var(--accent);
    background: #0b0e13;
}

.auth-submit {
    margin-top: 6px;
    padding: 11px 16px;
    border: 0;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: filter .15s ease;
}
.auth-submit:hover {
    filter: brightness(1.1);
}
.auth-submit:active {
    filter: brightness(.95);
}