/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-height);
    background: rgba(8,8,8,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
    display: flex;
    align-items: center;
}

.nav-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-weight: 900;
    font-size: 1.15rem;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.nav-logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.nav-logo span { color: var(--color-primary); }

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    list-style: none;
}

.nav-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text);
    background: var(--color-dark-4);
}

.nav-links a.active { color: var(--color-primary); }

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    flex-shrink: 0;
}

/* Language switcher */
.lang-switcher {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--color-dark-4);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: 7px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-body);
}

.lang-btn:hover {
    background: var(--color-dark-5);
    border-color: var(--color-border-hover);
    color: var(--color-text);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--color-dark-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-2);
    min-width: 150px;
    box-shadow: var(--shadow-lg);
    z-index: 200;
    animation: fadeSlideDown 0.2s ease;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: var(--font-body);
}

.lang-option:hover {
    background: var(--color-dark-5);
    color: var(--color-text);
}
.lang-option.active {
    color: var(--color-primary);
    background: rgba(249,115,22,0.1);
}

/* Mobile menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: var(--spacing-2);
    font-size: 1.5rem;
}

/* Mobile-only items hidden on desktop */
.nav-mobile-only { display: none !important; }
.nav-mobile-divider { display: none !important; }

@media (max-width: 768px) {
    .nav { display: none; }

    .mobile-menu-btn { display: flex; }
    .hide-mobile { display: none !important; }

    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: var(--nav-height);
        left: 0; right: 0;
        background: rgba(8,8,8,0.97);
        backdrop-filter: blur(20px);
        padding: var(--spacing-4);
        border-bottom: 1px solid var(--color-border);
        gap: 4px;
        animation: fadeSlideDown 0.2s ease;
        z-index: 99;
    }
    .nav-links.open a,
    .nav-links.open button:not(.btn) {
        padding: 12px 16px;
        font-size: 1rem;
    }

    /* Show mobile-only auth items inside the open menu */
    .nav-links.open .nav-mobile-only { display: flex !important; width: 100%; }
    .nav-links.open .nav-mobile-divider {
        display: block !important;
        width: 100%;
        border-top: 1px solid var(--color-border);
        margin: 8px 0;
    }

    .nav-mobile-auth-row {
        gap: 8px;
        padding: 4px 0;
    }
    .nav-mobile-auth-row .btn {
        flex: 1;
        text-align: center;
        justify-content: center;
    }

    /* Prevent lang dropdown overflowing off-screen on small phones */
    .lang-dropdown {
        right: 0;
        left: auto;
        max-width: calc(100vw - 32px);
    }

    /* Shrink nav-right gap on mobile */
    .nav-right { gap: var(--spacing-2); }
}

/* ===== MAIN CONTENT ===== */
.page-wrap {
    padding-top: var(--nav-height);
    min-height: 100vh;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-dark-2);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-12) 0 var(--spacing-8);
    margin-top: var(--spacing-20);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    text-align: center;
}

@media (min-width: 480px) {
    .footer-inner {
        grid-template-columns: 1fr 1fr 1fr;
        gap: var(--spacing-4);
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (min-width: 768px) {
    .footer-inner {
        grid-template-columns: 2fr 1fr 1fr 1fr;
        text-align: left;
    }
    .footer-brand {
        grid-column: auto;
    }
}

.footer-brand h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-3);
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.7;
    max-width: 300px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .footer-brand p {
        margin: 0;
    }
}

.footer-section h4 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-4);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    align-items: center;
}

@media (min-width: 768px) {
    .footer-links {
        align-items: flex-start;
    }
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--color-text); }

.footer-contact-email {
    margin-top: var(--spacing-1);
    font-size: 0.8rem;
}
.footer-contact-email a {
    color: var(--color-primary);
    word-break: break-all;
}
.footer-contact-email a:hover { color: var(--color-primary-light); }

.footer-bottom {
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    align-items: center;
    text-align: center;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
}

.footer-bottom p {
    color: var(--color-text-subtle);
    font-size: 0.8rem;
}

@media (min-width: 640px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* ===== BOTTOM NAV (mobile only) ===== */
.bottom-nav { display: none; }

@media (max-width: 768px) {
    /* Fix top gap: base .page-wrap rule is above, so this override must come after it */
    .page-wrap {
        padding-top: 0;
        padding-bottom: calc(62px + env(safe-area-inset-bottom, 0px));
    }

    .bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0; left: 0; right: 0;
        height: calc(62px + env(safe-area-inset-bottom, 0px));
        background: rgba(8,8,8,0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid var(--color-border);
        z-index: 100;
        justify-content: space-around;
        align-items: stretch;
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 8px 4px;
    color: var(--color-text-muted);
    text-decoration: none;
    flex: 1;
    transition: color var(--transition-fast);
    min-width: 0;
}

button.bottom-nav-item {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
}

.bottom-nav-item.active { color: var(--color-primary); }
.bottom-nav-item:hover { color: var(--color-text); }

.bnav-icon {
    font-size: 1.5rem;
    line-height: 1;
    display: block;
}

.bnav-label {
    font-size: 0.6rem;
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    letter-spacing: 0.02em;
}

/* ===== BOTTOM NAV POPUP (upward panel) ===== */
.bnav-overlay {
    position: fixed;
    inset: 0;
    z-index: 149;
}

.bnav-popup {
    position: fixed;
    bottom: calc(62px + env(safe-area-inset-bottom, 0px));
    left: 0; right: 0;
    background: var(--color-dark-3);
    border-top: 1px solid var(--color-border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: var(--spacing-3) var(--spacing-2) var(--spacing-2);
    z-index: 150;
    animation: fadeSlideUp 0.2s ease;
    max-height: 70vh;
    overflow-y: auto;
}

.bnav-popup-user {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--spacing-2) var(--spacing-3) var(--spacing-3);
}

.bnav-popup-displayname {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-text);
}

.bnav-popup-email {
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

.bnav-popup-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--spacing-1) var(--spacing-2);
}

.bnav-popup-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: 12px var(--spacing-3);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    font-family: var(--font-body);
    transition: all var(--transition-fast);
}

.bnav-popup-item:hover { background: var(--color-dark-5); color: var(--color-text); }
.bnav-popup-item.active { color: var(--color-primary); }
.bnav-popup-chevron { margin-left: auto; font-size: 0.75rem; opacity: 0.7; }

.bnav-popup-lang-option {
    padding-left: calc(var(--spacing-3) + 24px);
}

.bnav-popup-danger { color: var(--color-danger) !important; }
.bnav-popup-danger:hover { background: rgba(239,68,68,0.1) !important; color: var(--color-danger) !important; }