@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --transition: 0.3s ease;
    --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.top-bar {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(18px);
    background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.35), rgba(2, 6, 23, 0.92));
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 10px 16px 6px;
    border-radius: 0 0 24px 24px;
}


.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent), var(--accent-soft));
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    color: #fff;
}

.brand h1 {
    font-size: 1.4rem;
    margin: 0 0 2px;
}

.brand p.eyebrow {
    margin: 0 0 2px;
    opacity: 0.85;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.tab-bar {
    display: none;
    margin-top: 16px;
    gap: 8px;
}

.tab-bar a {
    flex: 1;
    text-align: center;
    padding: 10px 0;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.85rem;
    text-decoration: none;
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
    transition: all var(--transition);
}

.tab-bar a.active {
    background: var(--bg);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: inset 0 0 0 1px var(--accent);
    color: var(--accent-secondary);
}


.main-menu-toggle {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.3rem;
    padding: 0;
    flex-shrink: 0;
    transition: background var(--transition), transform var(--transition), border-color var(--transition);
}

.main-menu-toggle:hover,
.main-menu-toggle:focus-visible {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--accent);
    outline: none;
    transform: translateY(-1px);
}

.main-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.75);
    display: flex;
    align-items: stretch;
    justify-content: flex-start;
    padding: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    z-index: 40;
}


.main-menu-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.main-menu-panel {
    width: min(320px, 80%);
    max-width: 100%;
    background: var(--bg-soft);
    border-right: 1px solid var(--border-subtle);
    box-shadow: var(--card-shadow);
    padding: 20px 18px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.main-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.main-menu-title {
    display: flex;
    flex-direction: column;
}

.main-menu-title small {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-muted);
}

.main-menu-title strong {
    font-size: 1rem;
    color: var(--text);
}

.main-menu-close {
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
}

.main-menu-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
}

.main-menu-links a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    color: var(--text);
    font-size: 0.9rem;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.main-menu-links a span.icon {
    font-size: 1.2rem;
}

.main-menu-links a:hover,
.main-menu-links a:focus-visible {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent);
    transform: translateY(-1px);
    outline: none;
}

.main-menu-links a.active {
    border-color: var(--accent);
    color: var(--accent-secondary);
    background: rgba(255, 255, 255, 0.06);
}

.main-menu-footer {
    margin-top: auto;
    display: flex;
    justify-content: flex-start;
}

.main-menu-logout {
    border: 1px solid var(--border-subtle);
    background: rgba(239, 68, 68, 0.08);
    color: #f97373;
    padding: 8px 12px;
    border-radius: 14px;
    font-size: 0.85rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.bottom-nav {
    position: fixed;
    inset: auto 0 0;
    z-index: 15;
    display: none;
    justify-content: space-around;
    background: var(--bg-soft);
    border-top: 1px solid var(--border-subtle);
    padding: 8px 0;
    box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.25);
}

.bottom-nav a {
    flex: 1;
    text-align: center;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.bottom-nav a.active {
    color: var(--accent);
}

.bottom-nav span {
    display: block;
    font-size: 1.2rem;
}

@media (min-width: 1024px) {
    .top-bar {
        border-radius: 0;
    }

    .tab-bar {
        display: flex;
    }
}