:root {
    --club-bg: #f5f8fc;
    --club-ink: #14263a;
    --club-brand: #0a5ca3;
    --club-brand-dark: #084a82;
    --club-sea: #2f9ed5;
    --club-sand: #f8f3e4;
    --club-line: #d7e1ec;
    --club-card: #ffffff;
    --club-muted: #6b7f93;
}

* {
    box-sizing: border-box;
}

.club-shell {
    min-height: 100vh;
    background:
        radial-gradient(circle at 8% 0%, #d9edff 0%, #edf5ff 27%, transparent 58%),
        radial-gradient(circle at 100% 100%, #e4f8ff 0%, transparent 36%),
        linear-gradient(180deg, #f8fbff 0%, var(--club-bg) 65%);
}

.club-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--club-line);
    background: #fffffff2;
    backdrop-filter: blur(6px);
}

.club-nav-inner {
    width: min(1180px, 96vw);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 8px 0;
}

.club-brand {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    color: var(--club-ink);
}

.club-brand img {
    height: 52px;
    width: auto;
    display: block;
    filter: drop-shadow(0 8px 10px rgba(7, 57, 100, 0.12));
}

.club-brand-title {
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.club-brand-subtitle {
    display: block;
    color: var(--club-muted);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.club-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0;
    margin: 0;
}

.club-nav-toggle {
    display: none;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--club-line);
    background: #fff;
    color: var(--club-ink);
    border-radius: 9px;
    padding: 8px 10px;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
}

.club-nav-toggle .bars {
    display: inline-block;
    width: 14px;
    height: 2px;
    background: currentColor;
    position: relative;
    border-radius: 2px;
}

.club-nav-toggle .bars::before,
.club-nav-toggle .bars::after {
    content: '';
    position: absolute;
    left: 0;
    width: 14px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
}

.club-nav-toggle .bars::before {
    top: -4px;
}

.club-nav-toggle .bars::after {
    top: 4px;
}

.club-menu > li {
    position: relative;
}

.club-menu a,
.club-menu button {
    border: 0;
    background: none;
    color: var(--club-ink);
    text-decoration: none;
    font-size: 0.94rem;
    font-weight: 600;
    padding: 9px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 140ms ease, transform 140ms ease;
}

.club-menu a:hover,
.club-menu button:hover,
.club-menu a:focus-visible,
.club-menu button:focus-visible {
    background: #edf4fb;
    transform: translateY(-1px);
    outline: none;
}

.club-menu .active {
    color: #fff;
    background: linear-gradient(135deg, var(--club-brand), var(--club-brand-dark));
}

.club-menu-icon {
    width: 14px;
    height: 14px;
    margin-right: 6px;
    vertical-align: -2px;
    opacity: 0.9;
}

.club-dropdown-panel {
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    pointer-events: none;
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    min-width: 220px;
    border: 1px solid var(--club-line);
    border-radius: 10px;
    background: var(--club-card);
    box-shadow: 0 14px 30px rgba(9, 40, 66, 0.12);
    padding: 6px;
    transition: opacity 140ms ease, transform 140ms ease, visibility 140ms ease;
}

.club-dropdown:hover .club-dropdown-panel,
.club-dropdown:focus-within .club-dropdown-panel,
.club-dropdown.open .club-dropdown-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.club-dropdown-panel a,
.club-dropdown-panel span {
    display: block;
    padding: 9px 10px;
    border-radius: 8px;
    color: var(--club-ink);
    text-decoration: none;
    font-size: 0.92rem;
}

.club-dropdown-panel span {
    color: var(--club-muted);
}

.club-dropdown-group-label {
    display: block;
    padding: 6px 10px 3px;
    font-size: 0.73rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--club-muted);
    cursor: default;
}

.club-dropdown-separator {
    border: none;
    border-top: 1px solid var(--club-line);
    margin: 4px 6px;
}

.club-dropdown-panel a:hover,
.club-dropdown-panel a:focus-visible {
    background: #edf4fb;
    outline: none;
}

.club-content {
    width: min(1180px, 95vw);
    margin: 20px auto 36px;
}

.export-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    text-decoration: none;
    background: linear-gradient(180deg, #1f7a43 0%, #126838 100%);
    color: #fff;
    border-radius: 10px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.18), 0 6px 14px rgba(18,104,56,0.18);
    transition: transform 140ms ease, box-shadow 140ms ease, filter 140ms ease;
}

.export-link:hover {
    transform: translateY(-1px);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.18), 0 10px 18px rgba(18,104,56,0.24);
    filter: brightness(1.02);
}

.export-link:focus-visible {
    outline: 3px solid #9dd6af;
    outline-offset: 2px;
}

.export-link svg {
    display: block;
    width: 24px;
    height: 24px;
}

.club-hero {
    border: 1px solid #cfe0f2;
    border-radius: 16px;
    background:
        linear-gradient(130deg, rgba(255, 255, 255, 0.97), rgba(240, 248, 255, 0.92)),
        linear-gradient(180deg, #fff, var(--club-sand));
    box-shadow: 0 16px 30px rgba(9, 41, 69, 0.1);
    padding: 18px 18px 16px;
}

.club-hero-title {
    margin: 0;
    font-size: clamp(1.2rem, 2.3vw, 1.55rem);
}

.club-hero-subtitle {
    margin: 5px 0 0;
    color: var(--club-muted);
    font-weight: 600;
    font-size: 0.95rem;
}

.club-wave-accent {
    margin-top: 12px;
    height: 8px;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--club-brand), var(--club-sea), #8bd0ee);
}

.club-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.club-module-card {
    position: relative;
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--club-card);
    border: 1px solid var(--club-line);
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 8px 22px rgba(13, 28, 45, 0.06);
    overflow: hidden;
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
    animation: club-fade-in 280ms ease both;
}

.club-module-card:hover,
.club-module-card:focus-visible {
    transform: translateY(-2px);
    border-color: #b4cee7;
    box-shadow: 0 14px 28px rgba(13, 28, 45, 0.12);
    outline: none;
}

.club-module-card::after {
    content: '';
    position: absolute;
    inset: auto 10px 10px auto;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: linear-gradient(135deg, #ecf5ff, #d3ebff);
}

.club-module-card h2 {
    margin: 0 0 8px;
    font-size: 1.1rem;
}

.club-module-card p {
    margin: 0;
    color: var(--club-muted);
    font-size: 0.92rem;
}

.club-empty {
    margin-top: 16px;
    background: #fff;
    border: 1px dashed var(--club-line);
    border-radius: 12px;
    padding: 14px;
    color: var(--club-muted);
}

.club-panel {
    background: #fff;
    border: 1px solid var(--club-line);
    border-radius: 16px;
    box-shadow: 0 10px 26px rgba(11, 44, 70, 0.08);
    animation: club-fade-in 260ms ease both;
}

.club-auth-card {
    width: min(460px, 92vw);
    margin: 24px auto;
    padding: 28px;
}

@keyframes club-fade-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 850px) {
    .club-nav-inner {
        flex-wrap: wrap;
        align-items: center;
    }

    .club-nav-toggle {
        display: inline-flex;
        margin-left: auto;
    }

    .club-menu-wrap {
        width: 100%;
        display: none;
    }

    .club-nav.menu-open .club-menu-wrap {
        display: block;
        animation: club-fade-in 180ms ease both;
    }

    .club-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        margin-top: 8px;
        border-top: 1px solid var(--club-line);
        padding-top: 8px;
    }

    .club-menu > li {
        width: 100%;
    }

    .club-menu a,
    .club-menu button {
        width: 100%;
        text-align: left;
    }

    .club-dropdown {
        position: static;
    }

    .club-dropdown-panel {
        position: static;
        min-width: 100%;
        margin-top: 4px;
        border-radius: 8px;
        box-shadow: none;
    }

    .club-brand img {
        height: 46px;
    }
}