/* Jamaica Tricolor Top Stripe */
.jamaica-stripe {
    height: 4px;
    width: 100%;
    background: linear-gradient(
        90deg, 
        var(--color-jam-green) 0%, 
        var(--color-jam-green) 33.33%, 
        var(--color-jam-gold) 33.33%, 
        var(--color-jam-gold) 66.66%, 
        var(--color-jam-red) 66.66%, 
        var(--color-jam-red) 100%
    );
}

/* App Header - Mobile Base (Compact Single Row) */
.app-header {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-xs) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xs);
}

.brand-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    min-height: var(--touch-target-min);
}

.brand-link:hover {
    text-decoration: none;
}

.brand-shield {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-jam-green), var(--color-jam-green-dark));
    border: 1px solid var(--color-jam-gold);
    color: var(--color-jam-gold);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 10px var(--color-jam-green-glow);
    flex-shrink: 0;
}

.brand-info {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.brand-accent {
    color: var(--color-jam-gold);
}

.brand-badge {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--color-jam-green);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: var(--space-2xs) var(--space-xs);
    border-radius: var(--radius-sm);
    min-height: var(--touch-target-min);
    display: inline-flex;
    align-items: center;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-subtle);
    text-decoration: none;
}

.nav-link-active {
    color: var(--color-jam-gold);
    background-color: rgba(254, 203, 0, 0.1);
    border: 1px solid rgba(254, 203, 0, 0.3);
}

.security-status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.72rem;
    color: var(--color-jam-green);
    background-color: rgba(0, 135, 81, 0.12);
    border: 1px solid var(--color-jam-green);
    padding: 3px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
    white-space: nowrap;
}

.status-dot {
    width: 7px;
    height: 7px;
    background-color: var(--color-jam-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-jam-green);
    flex-shrink: 0;
}

/* App Main - Mobile Base */
.app-main {
    flex: 1;
    padding: var(--space-md) var(--space-xs);
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.main-container {
    width: 100%;
    max-width: 860px;
}

/* App Footer - Mobile Base */
.app-footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: var(--space-md) var(--space-sm) calc(var(--space-md) + var(--safe-area-bottom));
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-container {
    max-width: 900px;
    margin: 0 auto;
}

.footer-meta {
    margin-top: var(--space-2xs);
    font-size: 0.72rem;
}

/* Grid Layout Rows - Mobile First (single column by default) */
.grid-form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

/* Progressive Enhancement Breakpoints */
@media (min-width: 480px) {
    .header-container {
        padding: 0 var(--space-md);
        gap: var(--space-sm);
    }

    .brand-title {
        font-size: 1.15rem;
    }

    .brand-badge {
        font-size: 0.7rem;
    }

    .nav-link {
        font-size: 0.9rem;
        padding: var(--space-xs) var(--space-sm);
    }

    .security-status-indicator {
        font-size: 0.78rem;
        padding: 3px 10px;
        gap: 6px;
    }

    .status-dot {
        width: 8px;
        height: 8px;
    }

    .app-main {
        padding: var(--space-lg) var(--space-sm);
    }
}

@media (min-width: 640px) {
    .app-header {
        padding: var(--space-md) 0;
    }

    .brand-shield {
        width: 42px;
        height: 42px;
    }

    .brand-title {
        font-size: 1.25rem;
    }

    .brand-badge {
        font-size: 0.72rem;
    }

    .header-nav {
        gap: var(--space-md);
    }

    .app-main {
        padding: var(--space-xl) var(--space-md);
    }

    .app-footer {
        padding: var(--space-lg) var(--space-md) calc(var(--space-lg) + var(--safe-area-bottom));
        font-size: 0.82rem;
    }

    .footer-meta {
        font-size: 0.75rem;
    }

    .grid-form-row {
        grid-template-columns: 1fr 1fr;
    }
}